Page 2 “impossible” or “unallowable”. Copyright is reserved to GSK CNC Equipment Co., Ltd. It is illegal for any organization or individual to publish or reprint this manual. GSK CNC Equipment Co., Ltd. reserves the right to ascertain their legal liability.
Page 3 GSK988T Turning CNC System User Manua(Volume Ⅱ) Preface Your Excellency, We are honored by your purchase of this GSK 988 Turning CNC System made by GSK CNC Equipment Co., Ltd. This book is User Manual Volume II –“Installation and Debugging”.
Page 4 Precautions Cautions ■ Delivery and storage ● Packing box over 6 layers in pile is unallowed. ● Never climb the packing box, stand on it or place heavy objects on it. ● Do not move or drag the products by the cables connected to it. ●...
Page 5 GSK988T Turning CNC System User Manual (Volume Ⅱ) ANNOUNCEMENT! This manual describes various possibilities as much as possible. However, operations allowable or unallowable cannot be explained one by one due to so many possibilities that may involve with, so the contents that are not specially stated in this manual shall be regarded as unallowable.
Page 6 Be responsible for the failure to observe the provisions for operation, adjustment, —— maintenance, installation and storage in the manual. This manual is reserved by end user. We are full of heartfelt gratitude to you for supporting us in the use of GSK’s products.
Page 7 GSK988T Turning CNC System User Manual (Volume Ⅱ)
Page 8: Table Of Contents
Contents Contents CHAPTER I INSTALLATION LAYOUT....................1 1.1 Overall Dimension of GSK988T and Accessories..............1 1.1.1 Overall Dimension of the GSK988T Mainframe............1 1.1.2 Overall Dimension of GSK988T-H Mainframe ..............2 1.1.3 Overall Dimension of GSK988T Operation Panel MPU02A .........3 1.1.4 Overall Dimension of GSK988T Operation Panel MPU02B .........4 1.1.5 Overall Dimension of GSK988T- H Operation Panel MPU03A........5 1.1.6 Overall Dimension of GSK988T-H Operation Panel MPU03B........6 1.1.7 Overall Dimension of I/O Deconcentrator MCT01 ............7...
Page 9 2.7.3 Output Signal ......................27 2.8 Connection with the Power Supply..................28 2.8.1 Definition of Power Supply Interface ................29 2.8.2 Connection between GSK988T and GSK-PB2 Power Supply Box ......29 2.9 Connection with the External Equipment................29 2.9.1 RS-232 Interface Definition ..................30 2.9.2 Definition of GSKLINK Bus Interface................30 2.9.2 Network Interface Definition ..................31...
Page 10 Contents 4.7 Pitch Error Compensation ....................75 4.8 Backlash Compensation.......................78 4.9 Spindle Function Adjustment ....................80 4.9.1 Spindle Encoder ......................80 4.9.2 Spindle Speed Analog Voltage Control ...............81 4.9.3 Double-Spindle Control ....................83 CHAPTER V PARAMETER INSTRUCTION ...................84 5.1 Parameters of System Setting....................85 5.2 Parameters of the Interfaces of Input and Output..............85 5.3 Parameters of Axis Control/Setting Unit ................85 5.4 Parameters of the Coordinate System..................89 5.5 Parameters of the Stroke Detection..................91...
Page 11 GSK988T Turning CNC System User Manual (Volume Ⅱ) 6.3.3 Program Lock......................149 6.3.4 Feedrate Override ....................149 6.3.5 Spindle Override.......................149 6.3.6 Spindle CCW/CW Control ..................150 6.3.7 Spindle Jog.......................151 6.3.8 Spindle 8-Point Pre-Orientation................152 6.3.9 Spindle Speed Binary Control...................154 6.3.10 Spindle Gear Control....................154 6.3.11 Cooling Control.......................155 6.3.12 Lubricating Control ....................156 6.3.13 Chuck Control ......................157 6.3.14 Tailstock Control .....................158...
Page 12: Chapter I Installation Layout
Chapter I Installation Layout CHAPTER I INSTALLATION LAYOUT 1.1 Overall Dimension of GSK988T and Accessories 1.1.1 Overall Dimension of the GSK988T Mainframe...
Page 13: Overall Dimension Of Gsk988T-H Mainframe
GSK988T Turning CNC System User Manual (Volume Ⅱ) 1.1.2 Overall Dimension of GSK988T-H Mainframe Note: The panel of GSK988T-H is horizontal.
Page 14: Overall Dimension Of Gsk988T Operation Panel Mpu02A
Chapter I Installation Layout 1.1.3 Overall Dimension of GSK988T Operation Panel MPU02A...
Page 15: Overall Dimension Of Gsk988T Operation Panel Mpu02B
GSK988T Turning CNC System User Manual (Volume Ⅱ) 1.1.4 Overall Dimension of GSK988T Operation Panel MPU02B...
Page 16: Overall Dimension Of Gsk988T- H Operation Panel Mpu03A
Chapter I Installation Layout 1.1.5 Overall Dimension of GSK988T- H Operation Panel MPU03A...
Page 17: Overall Dimension Of Gsk988T-H Operation Panel Mpu03B
GSK988T Turning CNC System User Manual (Volume Ⅱ) 1.1.6 Overall Dimension of GSK988T-H Operation Panel MPU03B...
Page 18: Overall Dimension Of I/O Deconcentrator Mct01
Chapter I Installation Layout 1.1.7 Overall Dimension of I/O Deconcentrator MCT01 1.1.8 Overall Dimension of I/O Deconcentrator MCT02...
Page 19: Structure Of Gsk988T Control System
GSK988T Turning CNC System User Manual (Volume Ⅱ) 1.2 Structure of GSK988T Control System 1.2.1 Front /Rear Panel Illustrations Connect to spindle encoder ENCODER ENCODER 2 GSKLINK(A) GSKLINK(B) Connect to spindle encoder 2 (It can be used as the 2nd MGP) Used for communication between CNC and remote I/O unit Used for communication between...
Page 20 Chapter I Installation Layout ENCODER ENCODER 2 GSKLINK(A) GSKLINK(B) MACHINE PANEL OUTPUT INPUT +24V -12V +12V CN53 CN52 CN54 CN21 CN22 CN31 AXIS 1 AXIS 2 AXIS 3 AXIS 4 SPINDLE 2 AXIS 5 SPINDLE CN62 CN61 CN41 CN11 CN12 CN13 CN14 CN15...
Page 21: General Connection Diagram
GSK988T Turning CNC System User Manual (Volume Ⅱ) 1.2.2 General Connection Diagram Fig. 1-2-4 GSK988T connection diagram...
Page 22: Gsk988T Installation
Chapter I Installation Layout 1.3 GSK988T Installation 1.3.1 Conditions of Electric Cabinet Installation Prevent the entry of dust, coolant and organic solution. The distance between CNC rear cover and the cabinet should not be less than 20cm. Ensure that the temperature difference (outside and inside the cabinet) will be less than 10℃...
Page 23 GSK988T Turning CNC System User Manual (Volume Ⅱ) Fig. 1-3-1 ④ The outgoing cable of CNC is twisted shielded cable or shielded cable; the shielding layer of the cable is single-end earthed at CNC side; the signal line should be as short as possible.
Page 24: Chapter Ii Interface Signal Definition And Connection
Chapter II Interface Signal Definition and Connection CHAPTER Ⅱ INTERFACE SIGNAL DEFINITION AND CONNECTION 2.1 Connection with Drive Unit 2.1.1 Definition of the Drive Interface Signal Description 1：nCP+ nCP+、nCP- Command pulse signal 9： nCP- 2：nDIR+ 10：nDIR- nDIR+、nDIR- 3：nPC Command direction signal 11：0V 4：+24V Zero point signal...
Page 25 GSK988T Turning CNC System User Manual (Volume Ⅱ) Fig. 2-1-3. Internal circuit of nALM Input circuit of this type requires that the drive should provide the signal through the methods in the following Fig. 2-1-4: Method 1: Method 2: Fig. 2-1-4. Methods of the drive unit providing signals (3) Servo ready signal nRDY nRDY signal is connected to the servo drive unit ready signal.
Page 26 Chapter II Interface Signal Definition and Connection isn’t any pulse signals, it is high level; refer to the following Fig. 2-1-7 about the internal interface circuit: Fig. 2-1-7 Pulse forbidden signal circuit (6) Zero point signal nPC Take one-rotation signal of motor encoder or proximity switch signal as zero signals. About the internal connection circuit, refer to Fig.
Page 27: Connection With The Drive Unit Interface
③ Refer to the following Fig. 2-1-11 about the connection method of taking one Hall unit in PNP type as one deceleration signal: Fig. 2-1-11 Connection with Hall unit in PNP type 2.1.3 Connection with the Drive Unit Interface The connection between GSK988T system and GSK DA98B drive unit is shown in the following figure.
Page 28 Chapter II Interface Signal Definition and Connection Fig. 2-1-12 Connection between GSK988T and DA98B The connection between GSK988T and GSK DAT2000C drive unit is shown as follows: Fig. 2-1-13 Connection between GSK988T and DAT2000C drive unit...
Page 29: Connection With The Spindle
GSK988T Turning CNC System User Manual (Volume Ⅱ) 2.2 Connection with the Spindle The spindle interface of GSK988T is CN15 (the fifth axis · spindle interface). It is equipped with the function of pulse output and analog voltage output, and can be adopted with the servo spindle drive unit or the common spindle Inverter, or taken as an independent 5 servo axial interface.
Page 30: Signal Instruction
Chapter II Interface Signal Definition and Connection Signal Function Defined by Standard Explanation Definition PLC Address SCP+, SCP- Command pulse signal SDIR+,SDIR- Command direction signal SALM Drive unit alarm signal SRDY Servo ready signal SSET Pulse forbidden signal Axial enable signal Zero point signal 0~+10V analog voltage output AGND...
Page 31: Connection With The Servo Spindle Drive Unit
Fig. 2-2-4 2.2.3 Connection with the Servo Spindle Drive Unit Connection between GSK988T and GSKDAP03C servo spindle drive unit is shown in the following figure. This connection can also be applied in spindle servo drive unit such as GSK DAP03/DAY3025C/DAY3025/DAY3100.
Page 32: Connection With The Spindle Inverter Interface
Chapter II Interface Signal Definition and Connection Fig. 2-2-5 Connection between GSK988T and DAP03C drive unit 2.2.4 Connection with the Spindle Inverter Interface The 5 axis ·spindle interface (CN15) SVC port outputs 0~+10V voltage, the connection between GSK988T and the spindle inverter is shown in the following figure: Fig.
Page 33: Connection With The Spindle Encoder
GSK988T Turning CNC System User Manual (Volume Ⅱ) 2.3 Connection with the Spindle Encoder GSK988T is equipped with two-channel encoder input interfaces (CN21 and CN22), CN21 interface is used as feedback input of spindle speed by default. When multi-spindle control function is started, select the encoder interface which receives the feedback pulse for the system control, through the selection signal PC2SLC (G28.7) of spindle encoder in PLC.
Page 34 Fig. 2-3-2 Connection between GSK988T and the encoder 2.4 Connection with the 2 Spindle 988T supports multi-spindle function. Two spindle analog voltage output interfaces include axis ·spindle (CN15) interface and the 2 spindle (CN41) interface. They are controlled by PLC signals. The 2 spindle interface can be used to the 2 inverter spindle or the unit head.
Page 35: Connection With Mpg
GSK988T Turning CNC System User Manual (Volume Ⅱ) 2.5 Connection with MPG 2.5.1 Definition of MPG Interface Signal Description 9: X6.3 18: +24V 26: X7.0 8: X6.2 17: +24V 25: X6.7 HA+, HA- MPG phase A signal input 7: Unused 16: +5V 24: X6.6 6: X6.1...
Page 36: Connection With The Machine Panel
Chapter II Interface Signal Definition and Connection 2.6 Connection with the Machine Panel Connect between GSK988T system and the machine panel through communication. 2.6.1 Communication Interface Definition Pin No. Signal IN/OUT Description RXDA Receive data difference signal RXDB Receive data difference signal TXDA Send data difference signal TXDB...
Page 37: Input Signal
GSK988T Turning CNC System User Manual (Volume Ⅱ) X2.5 Y2.5 X2.6 Y2.6 X2.7 Y2.7 X3.0 Y3.0 X3.1 Y3.1 X3.2 Y3.2 X3.3 Y3.3 X3.4 Y3.4 X3.5 Y3.5 X3.6 Y3.6 X3.7 Y3.7 X4.0 17~19, 26~28 X4.1 +24V 20~25 X4.2 X4.3 X4.4 X4.5 X4.6 X4.7 21~24...
Page 38: Output Signal
Chapter II Interface Signal Definition and Connection The other is switch (transistor) input free of contacts; connection is shown in Fig. 2-7-2 and Fig. 2-7-3. Fig. 2-7-2 NPN type Fig. 2-7-3 PNP type 2.7.3 Output Signal Output signal is used for the drive machine electrical wire side or the relay and the indicator on the machine panel side.
Page 39: Connection With The Power Supply
Fig. 2-7-7: Fig. 2-7-7 2.8 Connection with the Power Supply GSK988T uses GSK-PB2 power supply box, There are 4 groups of voltage: +5V (3A), +12V (1A), -12V (0.5A) and +24V (0.5A), and common port COM (0V).
Page 40: Definition Of Power Supply Interface
Fig. 2-8-2 power supply interface on the panel 2.8.2 Connection between GSK988T and GSK-PB2 Power Supply Box When GSK988T is dispatched from the factory, GSK-PB2 power supply box and GSK988T power supply interface has been already connected, so the user just need to connect to 220V AC power supply.
Page 41: Rs-232 Interface Definition
GSK988T Turning CNC System User Manual (Volume Ⅱ) USB interface Internet interface RS-232 interface Fig. 2-9-1 GSK988T front panel interface 2.9.1 RS-232 Interface Definition RS-232 communication interface: 5: GND Pin No. Signal 3: TXD 2: RXD Fig. 2-9-2 RS-232 interface (9 holes, D type female ) GSK988T executes communication through RS232 with PC (GSKComm-M communication software should be installed).
Page 42: Network Interface Definition
Chapter II Interface Signal Definition and Connection communication between CNC and remote IO unit. 1：GND 6： 2：CANn_L 7：CANn_H Signal Description 3： 8： 9： Low level of data 4：GND CANn_L 5： difference signal CANn_H High level of data difference signal Fig 2-9-4 GSKLink bus interface CN53 and Signal ground CN52 (9 holes, D type female) 2.9.2 Network Interface Definition...
Page 43: Chapter Iii Machine Tool Debugging-Operation
GSK988T Turning CNC System User Manual (Volume Ⅱ) CHAPTER III MACHINE TOOL DEBUGGING-OPERATION 3.1 Parameter Setting The modification, backup and recovery of GSK988T system parameters and servo parameters can only be done under such conditions: higher than 3 management level; parameter switch is ON and the system is in MDI mode.
Page 44 Chapter Machine Tool Debugging-operation Ⅲ softkey and input the parameter number, then press softkey, the cursor will move too the desired parameter. ② Press key to make the selected parameter modifiable. For example, the No.0000 parameter in the figure below: ③...
Page 45: Servo Parameters
GSK988T Turning CNC System User Manual (Volume Ⅱ) ③ Input the numbers to be set through numeric keys, then press to complete the setting. ④ Select other parameters through keys (3) Parameters backup and recovery Before modification, the parameters can be backed up through softkey.
Page 46 Chapter Machine Tool Debugging-operation Ⅲ Servo parameters can be viewed, modified, saved, backed up and restored through servo parameter screen on the CNC side. Axes switching: Press to switch the displayed servo parameters. Parameter modification: Press key and input the parameter value, or, input the parameter value directly, then press to complete the modification.
Page 47 GSK988T Turning CNC System User Manual (Volume Ⅱ) Fig. 3-1-7 Press to validate the servo parameters in CNC; press to validate the parameters read from the servo; press to return to the screen shown in Fig. 3-1-6. (2) Restore motor default parameter Refer to appendix B.1 to find the index value in the current software version of drive unit which is connected to the motor according to the motor type given on the motor nameplate.
Page 48: Instruction Of Pc Communication Software Gskcomm-M
Chapter Machine Tool Debugging-operation Ⅲ 3.2 Instruction of PC Communication Software GSKComm-M This section is a simple instruction for the usage of the GSKComm-M during machine tool debugging. For the details, please refer to the GSKComm-M Instructions on the CD. GSKComm-M is a communication management software especially provided for the machine tool builders.
Page 49: File Download (Pc→Cnc)
GSK988T Turning CNC System User Manual (Volume Ⅱ) IP setting on CNC: Press , to enter into IP setting page to set the IP address and －> －> gateway. IP setting on PC: After the communication software runs, left-click the menu, and select “Communication－>Communication Setup”, shown in right figure.
Page 50: Upload File (Cnc→Pc)
Chapter Machine Tool Debugging-operation Ⅲ (2) Add multiple files First, select the project to be transferred; then, click or right-click the project and select “Send to CNC”, the following dialog box will pop up. (Shown in the right figure above) In this dialog box, click the left options to select the files to be transferred.
Page 51: File Management Screen
GSK988T Turning CNC System User Manual (Volume Ⅱ) click “Receive”, a “Browse File” dialog box pops up (shown in the right figure below). Select the file folder in which the uploaded file to be saved, and click “OK” to upload the selected file. 3.3 Usage of U Disk The U disk function in GSK988T supports the bi-directional transmission of files involving machining program, PLC program, parameters, tool compensation data and pitch error compensation...
Page 52: Program Screen
Chapter Machine Tool Debugging-operation Ⅲ Press to switch between the system content and U disk content. Press softkey to copy the selected program into local directory or U disk directory. 3.3.2 Program Screen The operation of U disk directory is the same as in the local directory. In this section, we only introduce the program transfer in U disk.
Page 53: Plc Screen
GSK988T Turning CNC System User Manual (Volume Ⅱ) Program bi-directional transmission ① Press to switch between the local directory and U disk directory. ② Move the cursor to the program to be copied through Then, press to view the extended softkeys (the right figure above), Press to copy the selected program into local directory or U disk directory.
Page 54: Plc Operation
Chapter Machine Tool Debugging-operation Ⅲ Fig. 3-3-5 Programs in the U disk directory can be copied to local directory through softkey , vice versa. Take the U disk for example, the procedures are shown as follows: ① Press softkey to enter into U disk directory; ②...
Page 55: Plc Execution And Stop
GSK988T Turning CNC System User Manual (Volume Ⅱ) 3.4.1 PLC Execution and Stop On PLC screen, press softkey , then press → , the following screen is displayed: On this page, you can select PLC program through , then operations such as edit, running, stop, save, create, delete and backup can be performed.
Page 56: Plc Monitoring And Diagnosis
Chapter Machine Tool Debugging-operation Ⅲ Stop PLC program execution Move the cursor to the current running program through , then press the system will be in no PLC running state. 3.4.2 PLC Monitoring and Diagnosis (1) Monitor the PLC program state On the PLC screen, press softkey to enter to the monitoring display screen for the current running PLC program.
Page 57 GSK988T Turning CNC System User Manual (Volume Ⅱ) color is the background color of the screen. For example: means the contact X0.5 is conducted, means the coil Y25.2 is not conducted. View blocks On monitoring page, there are four softkeys for monitoring four blocks: .
Page 58 Chapter Machine Tool Debugging-operation Ⅲ ② Press softkey to enter to search page, shown as follows: ③ Press softkeys respectively you can search for the parameters, command, network on the corresponding screen, and move the cursor to the corresponding position. ④...
Page 59: Plc Data Viewing And Setting
GSK988T Turning CNC System User Manual (Volume Ⅱ) Press to switch between softkeys X, Y, F, G signal and R, A, K signal. Press to view the information about X, Y, F,G signals or R, A, K signals. 3.4.3 PLC Data Viewing and Setting On PLC screen, press to enter into PLC data state page.
Page 60 Chapter Machine Tool Debugging-operation Ⅲ Parameter setting method: ① Press keys , you can select the D parameter to be modified; or press softkey to input the D parameter to be selected, then press move the cursor to the parameter. The meaning of the status bit is displayed at the bottom of the screen.
Page 61: Plc On-Line Modification
GSK988T Turning CNC System User Manual (Volume Ⅱ) (4) DC parameter setting On PLC data page, press to enter to the DT parameter setting display page, shown in the following figure. Parameter setting method: the same as D parameter setting 3.4.4 PLC On-line Modification On PLC screen, press →...
Page 62 Chapter Machine Tool Debugging-operation Ⅲ (1) View and edit PLC On the page shown in the above figure, press to enter into PLC display and editing pages. Shown as follows: In this figure, the position where the cursor locates is indicated with dashed frame, and the background color of the network area is darker.
Page 63 GSK988T Turning CNC System User Manual (Volume Ⅱ) Fig. 3-4-14 Fig. 3-4-15 A. Press to move the cursor to the line to be modified, and press keys to move the cursor to the position to be edited. B. Press to insert a network in front of the network where the cursor locates. C.
Page 64 Chapter Machine Tool Debugging-operation Ⅲ Press to switch to the “Add/Symb” edit box, and enter the address/symbol, then press softkey or “Input” key to complete the action. ● Press softkey , the following operation is the same as softkey. ● Press softkey , the following figure is displayed: Press to select the function command to be inserted, for example, ADDB in the...
Page 65 GSK988T Turning CNC System User Manual (Volume Ⅱ) Press in the edit box to select the parameter to be edited, then enter address or data, and press to confirm the modification, after all the editing is done, press softkey to complete the action. ●...
Page 66 Chapter Machine Tool Debugging-operation Ⅲ Press softkeys respectively, you can select the ① symbols to be displayed on the window. The window name and corresponding symbols table name is shown on the upper area of the screen. Press softkey to select a symbol table for each window. Press to create a new symbol table and it is displayed on the current window (Note: if there is an empty window, the created symbol table will be displayed on the empty window...
Page 67 GSK988T Turning CNC System User Manual (Volume Ⅱ) Notes for parameter addresses X, Y, DC, DT, T, R are displayed in the symbol table. Press to select and view all parameter addresses. Press softkey to delete the selected symbol table. Press to show the extended softkeys.
Page 68 Chapter Machine Tool Debugging-operation Ⅲ to complete the modification. ② Search for address and information number: Press , enter the address or information number to be searched, press enter to start searching, then locate the cursor to the searched address or information number. (4) View and set initialized data table On edit page, press softkey to enter to initialized data table display page:...
Page 69: Plc Program Transmission
GSK988T Turning CNC System User Manual (Volume Ⅱ) ③ Data table modification and edit: Select the desired page by pressing ; press to select the address or address value to be modified, the background of the selected value will turn to blue; press and input values through numerical keys (press backspace key to delete), then press key again to confirm the modification.
Page 70 Chapter Machine Tool Debugging-operation Ⅲ On the system diagnosis page, contents such as keyboard diagnosis, state diagnosis, and auxiliary function parameter are included. They can be viewed through . You can press to lock to the current screen in case of mis-operation. On CNC diagnosis display page, there are two lines at the bottom of the screen displaying the diagnosis details: the first line shows the diagnosis number;...
Page 71: Servo Diagnosis
GSK988T Turning CNC System User Manual (Volume Ⅱ) condition. Edit keyboard diagnosis information (number: 63-65) It includes the accumulative errors number, consecutive errors number and repeated number of the edit keyboard. It is used to diagnose whether the edit keyboard is in good working condition. 3.6 Servo Diagnosis On system screen, press to enter to diagnosis page, then press...
Page 72 Chapter Machine Tool Debugging-operation Ⅲ : The position pulses feedbacked by the servo : The actual rotation speed of the motor : The current value of spindle encoder (in spindle or C axis control mode) : The servo working current value at present : The detected temperature of the servo inside : The servo input point value : The servo output point value...
Page 73: Chapter Iv Machine Debugging-Functions
GSK988T Turning CNC System User Manual (Volume Ⅱ) CHAPTER IV MACHINE DEBUGGING-FUNCTIONS 4.1 Emergency Stop and Hardware Limit GSK988T is equipped with the software limit function; for safety, it is suggested to adopt the hardware limit function at the same time. Install the limit switches in positive and negative directions on axes;...
Page 74: Basic Axis Parameters Setting
4.2 Basic Axis Parameters Setting 4.2.1 Axis Property (1) Axis name The controlled axis number of 988T is 2, the extended controlled axis number is 5 (including Cs axis), and the linkage controlled axis number is 3. Relevant Parameter Meaning...
Page 75: Gsklink Communication Setting Of Axis And Servo
9000 function is : 0: invalid 1: valid System servo communication 9010 Be consistent with the servo baudrate baudrate 988T Slave number corresponding to System 9011 the servo communication of parameter each axis The slave number cannot be repeated. Slave...
Page 76: Servo Related Setting
0 : pulse + direction 1: AB phase pulse Pulse output direction: 1811 0: Not reversed 1: reversed When absolute encoder is used, the direction of position 988T 1815 detector: System 0: Not reversed 1: reversed parameter Position detector is:...
Page 77: Gear Ratio Adjustment
GSK988T Turning CNC System User Manual (Volume Ⅱ) 4.4 Gear Ratio Adjustment Electronic gear ratio enables the move distances of machine tool slide be consistent with the specified distance (move distance of the machine coordinate). If the axis is set in radius system (radius or diameter programming is set by parameter No.1006#3), the actual move distance of the machine equals to the move distance displayed on the machine coordinate system;...
Page 78: Gear Ratio Calculation
Chapter IV Machine Debugging-Functions 4.4.1 Gear Ratio Calculation Formula encoder pulses revoltion × × Gear ratio Least command increment Lead Note: Least command increment is the minimum unit of command from CNC to machine tool, and the minimum increment of tool movement. Pulse/rev ＝...
Page 79: Acceleration/Deceleration Characteristic Adjustment
GSK988T Turning CNC System User Manual (Volume Ⅱ ) to 1:1, and set the calculated electronic gear ratio into digital servo. Example: (the gear ratio is the one in the example of Gear Ratio Calculation) X axis CNC gear ratio setting CNC electronic gear ratio is set as 1:1, i.e.
Page 80: Reference Point And Software Limit
Chapter IV Machine Debugging-Functions Relevant Parameter No. Bit Meaning Rapid traverse rate of each axis 1420 The minimum speed of rapid traverse override 1421 Maximum cutting feedrate of all axes 1422 Manual feedrate of each axis 1423 Manual rapid traverse rate of each axis 1424 During rapid traverse, the blocks are: 1601 #4...
Page 81: Reference Point Of Absolute Encoder Setting
GSK988T Turning CNC System User Manual (Volume Ⅱ ) Relevant Parameter Meaning When the reference point is not set, in AUTO (MEM, DNC OR MDI) mode, if movement commands other than G28 is 1005 specified, the system will 0: issue an alarm 1: not issue an alarm Set reference point return direction of each axis 1006...
Page 82: Reference Point Setting With Dog
Chapter IV Machine Debugging-Functions 5.,The reference point return finishing indicator (operational panel indicator) is on, the reference point return finishes, the system saves the current encoder position, automatically sets the parameter APZ x as 1. Relevant Parameter Meaning When absolute encoder is used, the direction of position detector 1815 0: not reversed 1: reversed...
Page 83: Reference Point Setting Without Dog
GSK988T Turning CNC System User Manual (Volume Ⅱ ) Note: Usually, the machine zero return dog is installed at the maximum stroke point. The effective stroke should be over 25mm to ensure enough deceleration distance and the accuracy of zero return. The higher the machine zero return speed is, the longer the zero return collision block will be.
Page 84: Setting Of Stored Stroke Check
Chapter IV Machine Debugging-Functions A: the position before the execution of reference point return without dog B: the position after the reference point return is executed along the negative direction, i.e. the position where the first PC signal is generated after the A point moves along the negative direction. C: the position after the reference point return is executed along the negative direction, i.e.
Page 85 GSK988T Turning CNC System User Manual (Volume Ⅱ ) Stored stroke check 2: (G22 G23) Parameters (No.1322, 1323) or commands set the boundaries. Inside or outside the area of the limit can be set as the forbidden area. Parameter No. 1300#0 selects either inside or outside as the forbidden area.
Page 86: Pitch Error Compensation
Chapter IV Machine Debugging-Functions 4.7 Pitch Error Compensation If the pitch error compensation value is defined, the pitch error compensation of each axis can be compensated based on the detection units of each axis. Set the pitch error compensation data for each compensation position, and its compensation position is set based on the space between each axis.
Page 87 GSK988T Turning CNC System User Manual (Volume Ⅱ ) The compensation position number of the reference point – (machine stroke in negative direction/space between compensation positions) = 70－400/50+1=63 The furthest compensation position number in positive direction is as below: Compensation position number of the reference point + (machine stroke in positive direction/ space between compensation positions) ＝70＋800/50=86 The corresponding relation between the machine and the compensation point position number is shown as follows:...
Page 88 Chapter IV Machine Debugging-Functions For the rotary axis, there may result in the position offset if the sum of the compensation value of positions 81~88 is not 0. The sum is the accumulation of screw pitch error compensation value of each revolution.
Page 89: Backlash Compensation
GSK988T Turning CNC System User Manual (Volume Ⅱ ) Relevant Parameter Meaning 3620 Pitch error compensation number of reference points Pitch error compensation number of the farthest ends in negative 3621 direction Pitch error compensation number of the farthest ends in positive 3622 direction 3623...
Page 90 Chapter IV Machine Debugging-Functions calculated data to detection unit and input the CNC data parameter No. 1851. Data 1: the dialgauge data read at benchmark 1 Data 2: the dialgauge data read at benchmark 2 Detection unit= Least command increment/CMR For example: When IS-B system is set (parameter No.1004#1 ISC is set to 1) and the metric system is selected (parameter No.1001#0 INM is set to 0), if parameter No.
Page 91: Spindle Function Adjustment
GSK988T Turning CNC System User Manual (Volume Ⅱ ) ② Measure the backlash compensation value in the above method, and save the results in parameter No. 1851 and No. 1852 (when parameter No. 1800#4 RBK is set to 1). Note that the parameter unit should be detection unit.
Page 92: Spindle Speed Analog Voltage Control
Chapter IV Machine Debugging-Functions Relevant Parameter Meaning Gear ratio between spindle encoder and position encoder 3706 #1、#0 00：1 01：2 10：4 11：8 Gear ratio between spindle encoder and the 2 position encoder #1、#0 3707 00：1 01：2 10：4 11：8 3773 Spindle encoder line number (CNT) 3803 The 2 spindle encoder line number (CNT2)
Page 93 GSK988T Turning CNC System User Manual (Volume Ⅱ ) before adjustment. Disconnect the CNC and spindle after power-off, and turn on the power again, then, specify a frequently-used M code (M41-M44) at spindle gear (the default first gear after power-on). ②...
Page 94: Double-Spindle Control
Chapter IV Machine Debugging-Functions Relevant Parameter Meaning 3031 Set the permitted digits in S code When spindle function is used (spindle analog output or spindle serial 3705 output), for S command: 0: S code and SF are not output 1: S code and SF are output Whether check spindle speed arrival signal: 3708 0: No...
Page 95: Chapter V Parameter Instruction
GSK988T Turning CNC system User Manual (Volume Ⅱ ) CHAPTER V PARAMETER INSTRUCTION This chapter mainly introduces CNC state and data parameters through setting different parameters to realize the different requirements of function. The parameter data mainly includes the following four types: Data Types Range (1) Bit...
Page 96: Parameters Of System Setting
Chapter V Parameter Instruction 5.1 Parameters of System Setting 0000 『Modification Authority』: Equipment management authority 『Default Setting』: 0000 0000 Input unit 0: Metric system 1: Inch system whether insert the sequence number automatically 0: No 1: Yes Note: In EDIT or MDI mode, sequence number can be inserted automatically. The incremental value of sequence number is set in parameter.
Page 97 GSK988T Turning CNC system User Manual (Volume Ⅱ ) 0: Invalid 1: Valid (for all axes) Note: When DLZ is 0, parameter 1005#1 (DLZx) can set valid/invalid for each axis. G28 command when the reference point is not set: 0: Reference point return with deceleration dog, the same as manual reference point return. 1: P/S alarm occurs Note: The function of reference point return without dog (when parameter 1002#1 (DLZ) is 1 or parameter 1005#1 (DLZx) is 1) is not related to the setting of AZR.
Page 98 Chapter V Parameter Instruction 1006 ZMIx DIAx ROSx ROTx 『Way of Validating』: After power-on 『Parameter Type』: Bit axis 『Default Setting』: 0000 0000 #0, #1 ROTx, ROSx set linear axis or rotary axis ROSx ROTx Content Linear axis Metric/inch conversion All coordinate values are of the linear axis type. The stored pitch error compensation is of the linear axis type.
Page 99 GSK988T Turning CNC system User Manual (Volume Ⅱ ) RABx sets the rotation direction of the axis during the absolute command. 0: Rotation direction close to the target 1: Direction specified by the command value coder Note: RABx is valid only when parameter ROAx is 1. RRLx Relative coordinate 0: Not cycle as the movement amount of each turn 1: Cycle as the movement amount of each turn...
Page 100: Parameters Of The Coordinate System
Chapter V Parameter Instruction the basic three axes can be set: X, Y and Z; the parallel axes can be set as two more axes (which is paralleled with the basic axis). Setting value Meaning They are neither basic three axes nor the parallel axes, X axis of the basic three axes Y axis of the basic three axes Z axis of the basic three axes...
Page 101 GSK988T Turning CNC system User Manual (Volume Ⅱ ) the external work piece zero point offset amount When G50 is commanded and the coordinate system is set, 0: Not alarm, but execute G50 1: P/S alarms (No.010), not execute G50 After resetting, the part coordinate system 0: Not cancel 1: Cancel...
Page 102: Parameters Of The Stroke Detection
Chapter V Parameter Instruction 1240 Each axis machine coordinate value of the 1 reference point (RF1) 1241 Each axis machine coordinate value of the 2nd reference point (RF2) 1242 Each axis machine coordinate value of the 3 reference point (RF3) 1243 Each axis machine coordinate value of the 4 reference point (RF4)
Page 103 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Whether the switching signal EXLM of the stroke detection in memory type is valid 0: Invalid 1: Valid Note: Stroke detection 1 in memory type possesses the parameter of the restricted area set by two groups, signals are switched through the stroke limit in memory type and the set restricted area is selected.
Page 104 Chapter V Parameter Instruction 『Modification Authority』: Equipment management authority 『Parameter Type』: Word axis 『Default Setting』: No.1320 is 99 999 999, No.1321 is －99 999 999 『Value Range』:－99 999 999～99 999 999 Respectively set the coordinate values of boundaries in positive and negative directions in the mechanical coordinate system in each axis stroke detection 1 in memory type.
Page 105: Parameters Of The Feedrate
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 1326 Coordinate value Ⅱ positive direction boundary of each axis stroke detection 1 in memory type (PC12) 1327 Coordinate value Ⅱ negative direction boundary of each axis stroke detection 1 in memory type (NC12) 『Modification Authority』: Equipment management authority 『Parameter Type』: Word axis 『Default Setting』: NO.1326 is 99 999 999, NO.1327 is －99 999 999.
Page 106 Chapter V Parameter Instruction 1403 『Modification Authority』: Equipment management authority 『Default Setting』: 0000 0000 The minimum unit of F command (the cutting feedrate) of feeding/min 0：1mm/min (input in metric system)or 0.01inch/min (input in inch system) 1：0.001mm/min (input in metric system)or 0.00001inch/min (input in inch system) During thread cutting cycle, the override of the tool run-out is 0: Valid 1: Invalid...
Page 107 GSK988T Turning CNC system User Manual (Volume Ⅱ ) It doesn’t require changing the cutting speed in the machine during the processing. And the cutting feedrate can be set by the parameter, then the cutting feedrate is not required to be set in the program.
Page 108 Chapter V Parameter Instruction 1423 JOG feedrate of each axis (JFR) 『Modification Authority』: Equipment management authority 『Parameter Type』: Word axis 『Value Range』: VALID RANGE DEFAULT SETTING UNITS DATA UNITS SETTING IS-B IS-C Machine in metric system 1mm/min 6～32767 1000 Machine in inch system 0.1inch/min Rotary axis 1 deg/min...
Page 109: Parameters Of Control Of Acceleration/Deceleration
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 5.7 Parameters of Control of Acceleration/Deceleration 1601 『Modification Authority』: Equipment management authority 『Default Setting』: 0000 0000 During rapid running, the block is 0: No overlapping 1: Overlapping 1610 JGLx CTLx 『Modification Authority』: Equipment management authority 『Parameter Type』: Bit axis 『Default Setting』: 0000 0000 CTLx...
Page 110 Chapter V Parameter Instruction 1623 FL speed of acceleration/deceleration in index type of each axis cutting and feeding (FLC) 『Modification Authority』: Equipment management authority 『Parameter Type』: Word axis 『Value Range』: VALID RANGE DEFAULT SETTING UNITS DATA UNITS IS-B / IS-C SETTING Metric machine 1 mm/min...
Page 111: Parameter Of Servo And Backlash Compensation
GSK988T Turning CNC system User Manual (Volume Ⅱ ) Set the time constant of acceleration/deceleration in linear and index types during each axis thread cutting cycle. 1627 FL speed of acceleration/deceleration in index type during each axis thread cutting cycle (FLT) 『Modification Authority』: Equipment management authority 『Parameter Type』: Word axis 『Value Range』:...
Page 112 Chapter V Parameter Instruction 1815 APCx APZx APRx 『Way of Validating』: After power-on 『Parameter Type』: Bit axis 『Default Setting』: 0000 0000 APRx The position direction of the absolute position detector during using the absolute position encoder 0: Not negate 1: Negate APZx The mechanical position and the absolute position detector position during using the absolute position detector...
Page 113 GSK988T Turning CNC system User Manual (Volume Ⅱ ) 1820 Command multiply ratio of each axis (CMR) 『Parameter Type』: Word axis 『Value Range』: COMMAND MULTIPLY VALID RANGE OF DEFAULT RATIO (CMR) VALUE SET BY NO.1820 SETTING 1/2～1/27 102～127 1 ～ 48 2～96 Set the command multiply ratio (CMR) of each axis.
Page 114 Chapter V Parameter Instruction by the diameter) metric system 0.0001mm (specified 0.00001 inch by the radius) inch 0.00001 inch (specified 0.000005 inch system Input in inch by the diameter) system 0.00001 inch (specified 0.00001 inch by the radius) Rotary axis 0.0001deg 0.0001deg 1851...
Page 115: Parameter Of Input/Output
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 2071 Each axis backlash acceleration/deceleration valid time constant (BAT) 『Parameter Type』: Word axis 『Value Range』: 0～100 ms 『Default Setting』: 40 Set each axis backlash acceleration/deceleration valid time constant. 5.9 Parameter of Input/Output 3003 『Default Setting』: 1000 0000 External emergency stop alarm input signal (X0.5)
Page 116 Chapter V Parameter Instruction 3004 『Default Setting』: 0010 0000 Overtravel limit signal 0: Check 1: Not check 3006 『Default Setting』: 0000 0000 Deceleration signal of the reference point return 0: Use X signal 1: Use G196 (X signal is invalid) 3009 DECx 『Parameter Type』: Bit axis...
Page 117: Parameter Of Display And Editing
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 3031 Allowable digits of S code (SCB) 『Value Range』: 1～5 『Default Setting』: 4 Set the allowable digits of S code. Maximum 5 digits in S code is allowed. 3032 Allowable digits of T code (TCB) 『Value Range』: 2～8 『Default Setting』: 4 Set the allowable digits of T code.
Page 118 Chapter V Parameter Instruction Note: In T serial, the movement coordinate system compensates the tool appearance, (parameter LGT (NO.5002#4) is 0), display the programming position which ignores the tool compensation (the parameter is set as 1). However, the programming position without the tool appearance compensation value can not display.
Page 119 GSK988T Turning CNC system User Manual (Volume Ⅱ ) 0: Yes 1: No 3114 『Modification Authority』: Equipment management authority 『Default Setting』: 0000 0000 On the current interface, press the function keys 0: Switch into the interface 1: Not switch into the interface 3202 『Modification Authority』: Equipment management authority 『Default Setting』: 0000 0000...
Page 120: Parameter Of Programming
Chapter V Parameter Instruction 『Default Setting』: 10 When the serial number (parameter SEQ(NO.0000#5) is 1) is auto inserted, it is the increment value of the serial number in each block. 5.11 Parameter of Programming 3401 『Modification Authority』: Equipment management authority 『Default Setting』: 0000 0001 The address is with the decimal point, but when the decimal point is omitted, the setting is as below:...
Page 121 GSK988T Turning CNC system User Manual (Volume Ⅱ ) either. 0: Linear interpolation moves to the finishing point 1: P/S alarms In one block, two or two more same addresses are commanded 0: The following commands are valid. 1: The program is taken as wrong, P/S alarms. Note: It alarms when the parameter is 1and two or two more G codes of one group are commanded in one block.
Page 122: Parameters Of The Screw Pitch Error Compensation
Chapter V Parameter Instruction 5.12 Parameters of the Screw Pitch Error Compensation 3620 Screw pitch error compensation number in each axis reference point (NPR) 『Way of Validating』: After power-on 『Parameter Type』: Word axis 『Value Range』: 0～1023 『Default Setting』: 0 3621 Number of the furthest screw pitch error compensation point of each axis in negative direction (NEN) 『Way of Validating』: After power-on...
Page 123 GSK988T Turning CNC system User Manual (Volume Ⅱ ) SETTING UNITS UNITS IS－B IS－C Input in metric system 0.001 0.0001 Input in inch system 0.0001 0.00001 inch Rotary axis 0.001 0.0001 The screw pitch compensation points are distributed in equal interval, and the interval value of each axis is set respectively.
Page 124: Parameters Of The Spindle Control
Chapter V Parameter Instruction 5.13 Parameters of the Spindle Control 3705 『Modification Authority』: Equipment management authority 『Default Setting』: 0000 0000 For S command, use spindle control function (spindle analog output or spindle serial output) 0: Not output S code and SF 1: Output S code and SF 3706 『Default Setting』: 0000 0000...
Page 125 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Gear ratio ×1 ×2 ×4 ×8 Note: The parameter is valid only when multi-spindle control. 3708 『Modification Authority』: Equipment management authority 『Default Setting』: 0000 0000 Whether check the spindle speed reaching signal 0: Not check 1: Check Whether check the spindle speed reaching signal when the thread cutting...
Page 126 Chapter V Parameter Instruction 『Data unit』: 0.1% Set the increment adjustment data of the spindle speed analog output. (Adjusting method) （1） Set the standard setting value 1000, （2） Command the spindle speed when the spindle speed analog output maximum voltage is 10V. （3）...
Page 127 GSK988T Turning CNC system User Manual (Volume Ⅱ ) 3770 Axis as the calculation reference during the constant surface speed control (ACS) 『Default Setting』: 0 『Value Range』: 0, 1～quantity of the controlled axes The parameter sets the axis as the calculation reference during the constant surface speed control. Note: When it is set as 0, default X axis.
Page 128: Parameters Of The Tool Compensation
Chapter V Parameter Instruction maximum spindle speed, or the spindle speed after override exceeds the maximum spindle speed. Note: 1. When the multi-spindle controls, the parameter is valid. 2. When the constant surface speed controls, no matter whether G96 or G97 is commanded, the spindle speed is limited by the maximum speed.
Page 129 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Tool offset number 0: Specify through the last two digits of T code 1: Specify through the last one digit of T code Tool wear compensation 0: Compensate through the tool traverse 1: Compensate through the coordinate system offset (there isn’t any connection with LWM, and compensate in the block of T code) Tool offset compensation mode...
Page 130 Chapter V Parameter Instruction 0: Used 1: Not used 5006 『Modification Authority』: Equipment management authority 『Way of Validating』: After power-on 『Default Setting』: 0000 0000 Switch between the inch system and the metric system, whether the tool offset value is auto changed 0: Not changed 1: Changed Command T code in G50, G04 or G10 block...
Page 131: Parameters Of The Canned Cycle
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 5010 During the tool nose compensation, the limit value of the vector is ignored when the tool traverses along the corner outside (CLV) 『Modification Authority』: Equipment management authority 『Value Range』: 0～16383 SETTING IS-B IS-C...
Page 132: Parameters Of The Drilling Canned Cycle
Chapter V Parameter Instruction 5.15.1 Parameters of the Drilling Canned Cycle 5102 『Modification Authority』:Equipment management authority 『Default Setting』: 0000 0000 The non-monotonic target shape is defined in multi-cycle command (G71 or G72),or non-monotonic Z axis is in G73 cycle and the retraction amount is in Z axis or the finishing allowance X axis is non-monotonic 0: Not alarm 1: Alarm...
Page 133 GSK988T Turning CNC system User Manual (Volume Ⅱ ) 5133 Retraction amount of G71 and G72 combined canned cycle (MCE) 『Modification Authority』:Equipment management authority 『Default Setting』: 0 『Value Range』: 0～99 999 999 Set the retraction amount of G71 and G72 combined canned cycle. 5135 Retraction amount of G73 combined canned cycle along X axis direction (G73XE)
Page 134: Parameters Of The Rigid Tapping
Chapter V Parameter Instruction 5141 Finishing allowance of G76 combined canned cycle (G76FA) 『Modification Authority』:Equipment management authority 『Default Setting』: 500 『Value Range』: 1～99 999 999 Set the finishing allowance of G76 combined canned cycle. 5142 Finishing cycle times of G76 combined canned cycle (G76FC) 『Modification Authority』:Equipment management authority 『Default Setting』: 1 『Value Range』: 1～99...
Page 135 GSK988T Turning CNC system User Manual (Volume Ⅱ ) TDK: Specify K in tapping command 0: Take it as the cycle times 1: Ignore TXZ: Non-tapping axis is taken as the orientation in tapping command 0: Allow to use 1: Alarm 5210 M code commanding the rigid tapping (RTMC) 『Modification Authority』:Equipment management authority...
Page 136: Parameters Of The Polar Coordinates Interpolation
Chapter V Parameter Instruction 5.17 Parameters of the Polar Coordinates Interpolation 5450 『Modification Authority』:Equipment management authority 『Default Setting』: 0000 0000 AFC: Whether use the auto override and the auto speed in the polar coordinates interpolation mode. 0: Not use 1: Use Note:In the polar coordinates interpolation mode, the more closely the tool is near to the work piece center, the bigger the speed vector of the revolving axis is.
Page 137: Parameters Of The User Macro Program
GSK988T Turning CNC system User Manual (Volume Ⅱ ) to limit the cutting feedrate of the revolving axis. The allowable speed of the revolving axis = Maximum cutting feedrate X override percentage In polar coordinates interpolation, the more closely the tool is near to the work piece center, the bigger the speed vector of the revolving axis is.
Page 138: Parameters Of The Skip Function
Chapter V Parameter Instruction Result of ASIN is 270.0～0～90.0 1: Result of ATAN is -180.0～0～180.0 Result of ASIN is -90～0～90 The angles of STN, COS or TAN, which are operation commands of the user － macro program, are 1.0×10 or less, or the operation result is not exact 0 0: Underflow process 1:Reduction to 0 5.19 Parameters of the Skip Function 6200...
Page 139: Parameters Of The Graphic Display
GSK988T Turning CNC system User Manual (Volume Ⅱ ) These two parameters set the feedrate during automatic tool compensation. Note: When the setting value of parameter No. 6242 is valid, the setting value of parameter No. 6241 is valid too. 6251 The γ...
Page 140: Parameter Of Mpg Feed
Chapter V Parameter Instruction of the processing parts 0: M codes specified by M02 and M30 and parameter NO.6710 1: M codes only specified by parameter NO.6710 During setting, the signal PRTSF (F62.7)of the sufficient quantity of the processing parts is 0: Cut off 1: Not cut off 6710...
Page 141 GSK988T Turning CNC system User Manual (Volume Ⅱ ) ignored but saved in CNC. (Although MPG is stopped, the machine still moves the pulse value saved in CNC and then stops.) 7102 HNGx 『Parameter Type』: Bit axis 『Default Setting』: 0000 0000 HNGx: Revolving direction of each axis movement direction and that of MPG 0: Same 1: Opposite...
Page 142: Parameter Of Plc Axis Control
Chapter V Parameter Instruction Note: When overrides, such as X100 or more than it, are selected, MPG rapidly turns round. MPG feeding is more than the rapid movement speed, the speed is limited by the rapid movement speed. The pulse exceeding the rapid movement speed is ignored;...
Page 143 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Input in metric system Input in inch system 1mm/min 0.01inch/min 10mm/min 0.1inch/min #4,#5 PR1, PR2 In PLC axis control, the least increment unit of cutting feed Speed 1/10 1/100 1/1000 #6,#7 FR1, FR2 The feedrate units of per revolution feeding during PLC axis control Input in Input in...
Page 144 Chapter V Parameter Instruction 2DSL When selecting the axes controlled by PLC is forbidden, if the axes are tried to exchange 0: Failed and P/S No.139 alarms 1: Axes, without commanding the channel, are executed exchanging During deceleration of the axes controlled by PLC, in-position check is 0: Executed 1: Not executed #7 NDI: When PLC controlled axis selects the diameter programming, under PLC axis...
Page 145: Parameters Of The Basic Function
GSK988T Turning CNC system User Manual (Volume Ⅱ ) For each PLC controlled axis, the linear acceleration or deceleration 8028 time constant specified by speed command during JOG feeding (PALT) 『Parameter Type』: Word axis 『Default Setting』: 200 『Value Range』: 0~3000ms Specify the linear acceleration or deceleration time constant during JOG feeding Note: If it is specified as “0”, the system doesn’t control the acceleration/deceleration.
Page 146: Parameters Of Gsklink Communication Function
Chapter V Parameter Instruction 1: Use MSP Whether use the multi-spindle control function 0: Not use 1: Use 5.25 Parameters of GSKLink Communication Function 9000 ACAN 『Way of Validating』: After power-on 『Default Setting』: 0000 0000 ACAN: Whether the system servo communication function is valid 0: Invalid 1: Valid 9010...
Page 147: Chapter Vi Standard Plc Function Configuration
GSK988T Turning CNC system User Manual (Volume Ⅱ ) CHAPTER VI STANDARD PLC FUNCTION CONFIGURATION 6.1 Standard Panel on the Machine Tool Fig. 6-1-1 Standard layout of operation panel...
Page 148: Addresses X, Y Definition
Chapter VI Standard PLC Function Configuration 6.2 Addresses X, Y Definition Caution: The general I/O signal (except those signals marked for fixed addresses) in GSK988T CNC system is defined by the embedded PLC (ladder diagram) program. When this CNC system is installed, the exact I/O functions are determined by the machine tool builder.
Page 149 GSK988T Turning CNC system User Manual (Volume Ⅱ ) DB Pin Function defined by standard PLC address Remark address Tool position signal 7/ tool post CN61.10 X1.1 overheat signal (Yantai AK31) CN61.11 X1.2 Tool position signal 8 Fixed CN61.12 X1.3 DEC3 The 3 axis deceleration signal...
Page 150 Chapter VI Standard PLC Function Configuration DB Pin Function defined by standard PLC address Remark address The 1 axis – direction overtravel CN61.17 X4.0 LMI1- signal The 2 axis – direction overtravel CN61.18 X4.1 LMI2- signal The 3 axis – direction overtravel CN61.19 X4.2 LMI3-...
Page 151 GSK988T Turning CNC system User Manual (Volume Ⅱ ) DB Pin Function defined by standard PLC address Remark address Tool post pre-indexing electromagnet CN62.30 Y2.1 signal (Yantai AK31)/ Tool post lock output (Liuxin Tool Post) Tri-colored lamp – yellow (normal CN62.31 Y2.2 YLAMP...
Page 152: Mpg Interface
Chapter VI Standard PLC Function Configuration 6.2.2 MPG Interface 9:X6.3 18: +24V 26:X7.0 8:X6.2 17: +24V 25:X6.7 16: +5V 24:X6.6 Unused 6:X6.1 15: +5V 23:X6.5 5:X6.0 14: +5V 22:X6.4 4:HB- 13: 0V Unused 3:HB+ 12: 0V Unused 2:HA- 11: 0V Unused 1:HA+ 10: 0V...
Page 153: Spindle Interface
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 6.2.3 Spindle Interface 1: SCP+ 14: SCP- 2: SDIR+ 15: SDIR- 3: GND 16: GND 4: SALM 17: +24V 5: X5.0 (VPO) 18: SSET 6: X5.1 (SAR/PAR) 19: SEN 7: SRDY 20: Y5.0 (VP) 8: X5.2 (ZSP) 21: Y5.1 (TAP)
Page 154: Standard Operation Panel
Chapter VI Standard PLC Function Configuration Note 1: X5.0, X5.1, X5.2 input are valid at a low level, i.e. when the input signal is connected to 0V, the input is valid and X address state is 1; when disconnected, the state is 0.
Page 155 GSK988T Turning CNC system User Manual (Volume Ⅱ ) X21.2 Spindle jog X21.3 Spindle CCW The 4 axis moves along + direction X21.4 (4th+) X21.5 C axis moves along + direction (C+) X21.6 Spindle exact stop X21.7 Feed hold X22.0 MPG mode X22.1 Space key on the right of DNC...
Page 156 Chapter VI Standard PLC Function Configuration Connected to panel baud switch X28.5 Connected to terminal strip (feedrate override OV2) Connected to panel baud switch X28.6 Connected to terminal strip (feedrate override OV3) Connected to panel baud switch X28.7 Connected to terminal strip (feedrate override OV4) Connected to panel button (cycle X29.0...
Page 157 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Y19.6 Spindle override decrease key indicator Y19.7 Spindle override 100% key indicator Y20.0 Spindle override increase indicator Y20.1 Hydraulic pressure key indicator Y20.2 Tailstock key indicator Y20.3 Lubrication key indicator Y20.4 Protection door key indicator Y20.5 Tool post forward rotation key indicator...
Page 158: Standard Plc Functions
Chapter VI Standard PLC Function Configuration Y24.5 Spindle CW key indicator Y24.6 Spindle jog key indicator Y24.7 Spindle CCW key indicator Y25.0 The 4 – direction key indicator Y25.1 Z axis – direction (Z-) key indicator Y25.2 Y axis – direction (Y-) key indicator Y25.3 Z axis machine zero point indicator Y25.4...
Page 159: Feed/Spindle Hold
GSK988T Turning CNC system User Manual (Volume Ⅱ ) X19.2: Input address of cycle start key on the panel X21.7: Input address of feed hold key on the panel Y0019 BIT3 BIT2 Y19.2: Output address of cycle start indicator on the panel Y19.3: Output address of feed hold indicator on the panel X0029 BIT1...
Page 160: Program Lock
Chapter VI Standard PLC Function Configuration 6.3.3 Program Lock Address definition X0029 BIT2 X29.2: Input address of program protection signal Control parameter K0009 RPRT K9.0 =1: Program lock is shielded =0: Program lock is not shielded Control logic When K9.0 is set to 1, the program lock is disabled, regardless of the signal X39.2; and both the program and parameter writing are enabled.
Page 161: Spindle Ccw/Cw Control
GSK988T Turning CNC system User Manual (Volume Ⅱ ) Relevant parameter DT0023 Spindle override indicator flicker period (100-1000ms) Control logic When the spindle override is greater than 100%: ① Override <120%: spindle override+indicator flickers; the flicker period is set by DT23 Override = 120%: spindle override + indicator normally lights up.
Page 162: Spindle Jog
Chapter VI Standard PLC Function Configuration DT05: the execution time of M code (ms); value range: 100~5000ms DT10: M05 and the delay time (ms) of spindle braking output; value range:0~10000ms DT11: Spindle braking output time; value range: 50~60000ms Motion sequence The sequence of spindle motion is shown as follows: Fig.
Page 163: Spindle 8-Point Pre-Orientation
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 6.3.8 Spindle 8-Point Pre-Orientation Address definition Y0003 SEC2 SEC1 SEC0 SORI Y3.4: Spindle orientation signal Y3.5～Y3.7: Spindle orientation selection signal X0002 COIN X2.7: Spindle orientation completed signal Control logic ① After commands M51~M58 are executed, PLC issues orientation selection signals SEC0, SEC1, SEC2 to Drive to determine the position.
Page 164 Chapter VI Standard PLC Function Configuration c) PA56 sets the position screen during orientation. d) When PA66 selects the orientation, the signal of selected encode is used as position feedback input signal; e) PA67 sets the spindle encoder line numbers according to the actual machine tool configuration.
Page 165: Spindle Speed Binary Control
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 6.3.9 Spindle Speed Binary Control Address definition S04/M4 S03/M4 S02/M4 S01/M4 Y0001 S01～S04: Spindle speed binary control signal M41～M44: Spindle automatic gear changing signal Control parameter K0010 BIT4 K10.4 =1: Gear spindle—the spindle speed is controlled by gears K10.4=0: Analog spindle—the spindle speed is controlled by analog voltage Control logic When K104 is set to 1, the spindle speed binary control is enabled.
Page 166: Cooling Control
Chapter VI Standard PLC Function Configuration 3741 The maximum spindle speed at gear stage 1 (MSG1) 3742 The maximum spindle speed at gear stage 2 (MSG2) 3743 The maximum spindle speed at gear stage 3 (MSG3) 3744 The maximum spindle speed at gear stage 4 (MSG4) MSG1, MSG2, MSG3, MSG4: When spindle analog voltage output is 10V, they correspond to the maximum spindle speeds at gear stages 1, 2, 3, 4.
Page 167: Lubricating Control
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 6.3.12 Lubricating Control Address definition Y0000 X0024 BIT2 Y0020 BIT3 Y0.1: Lubrication output signal (M32) X24.2: Lubrication key Y20.3: Lubrication key indicator DT0013 Manual lubrication output time DT0016 Automatic lubrication interval time DT0017 Automatic lubrication output time DT13: Lubrication duration (0~60000ms);...
Page 168: Chuck Control
Chapter VI Standard PLC Function Configuration 6.3.13 Chuck Control Address definition Y0001 DOQPS DOQPJ Y1.4: Outer chuck clamping/inner chuck unclamping output Y1.5: Outer chuck unclamping/inner chuck clamping output signal X0000 DIQP X0003 NQPS WQPJ X0.2 : Chuck control input signal (DIQP) X3.3: Outer chuck clamping in-position/inner chuck unclamping in-position signal (WQPJ) X3.4: Outer chuck unclamping in-position/inner chuck clamping in-position signal (NQPJ) X0024...
Page 169: Tailstock Control
GSK988T Turning CNC system User Manual (Volume Ⅱ ) When chuck control input (DIQP) is valid or the key is pressed, the chuck clamping/unclamping signal is output alternatively, i.e. each time the chuck control input signal is enabled, the output state changes. When the spindle is rotating, DIQP input and chuck key on the panel are disabled;...
Page 170: Low Pressure Detection
Chapter VI Standard PLC Function Configuration X0019 BIT3 X19.3: Tailstock key on the panel Y0020 BIT2 Y20.2: Tailstock key indicator on the panel Control parameter K0013 SLTW K13.2 =1: Tailstock control function enabled K13.2 =0: Tailstock control function disabled Sequence diagram Fig.
Page 171: Overtravel Signal Of Axes
GSK988T Turning CNC system User Manual (Volume Ⅱ ) K14.4 =0: High-level alarm; When PRES is connected to 24V, the low pressure alarm is issued. K14.4 =1: Low-level alarm; When PRES is disconnected with 24V, the low pressure alarm is issued.
Page 172 Chapter VI Standard PLC Function Configuration Control parameter K0011 BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0 K11.0= 1: The tool post lock signal is low-level; K11.0 = 0: The tool post lock signal is high-level; K11.1= 1: The tool position signal is low-level; K11.1 = 0: The tool position signal is high-level;...
Page 173 GSK988T Turning CNC system User Manual (Volume Ⅱ ) DT009 ends. If the Bit 4 of K0011 is set to 1 (lock detection signal), the system detects the tool post lock signal. If the TCP signal is not received within the time set by PLC parameter DT008, a system alarm will be generated.
Page 174 Chapter VI Standard PLC Function Configuration c) K11.7=0，K11.6=1: Yantai Tool Post AK31 Series 1) Tool change process Confirm that the tool post braking signal TZD is OFF. The system determines the shortest path according to object tool number and current tool number, and selects the output rotation direction under the principle of “select the nearest tool”, and determines the output signal is TL+ or TL-.
Page 175 GSK988T Turning CNC system User Manual (Volume Ⅱ ) 2) Tool change flow chart Fig. 6-3-6 AK31 Tool change flow chart c) K11.7=1，K11.6=0: Liuxin 8-position hydraulic tool post 1) Input/output configuration Sensor A: Tool position detection sensor→T1(X1.7): tool position signal Sensor B: Tool position detection sensor→T2(X2.0): tool position signal Sensor C: Tool position detection sensor→T3(X2.1): tool position signal Sensor D: Tool position detection senso→T4(X2.2): tool position signal...
Page 176: Emergency Stop
Chapter VI Standard PLC Function Configuration 2) Position and signal table 3) Signal instruction Sensor A,B,C,D: provide tool position detection; but no motion signal is issued. Sensor E: each time a tool is changed, the tool post stop and lock signal is issued. When the tool post rotates to the desired position, Sensor E induces and cut off the power of rotation magnetic valve, making the tool post rotation stopped, then, it starts the tool post lock magnetic valve to ensure that the tool post is locked.
Page 177: Tri-Colored Lamp
GSK988T Turning CNC system User Manual (Volume Ⅱ ) 6.3.19 Tri-Colored Lamp Address definition Y0002 BIT4 BIT3 BIT2 Y2.2: Tri-colored lamp –yellow, normal state (non-running, non-alarm state) Y2.3: Tri-colored lamp – green, running state Y2.4: Tri-colored lamp – red, alarm state Control parameter K0012 LAMP...
Page 178: Parameter Dt
Chapter VI Standard PLC Function Configuration K11.3 Check tool position signal after tool change (1: Yes, 0: No) K11.4 Check tool post lock signal (1: Yes, 0: No) K11.6 Tool post selection (PB8 PB7: 00 standard tool post/01 Yantai Tool Post/10 Liuxin Tool post) K11.7 Tool post selection (PB8 PB7: 00 standard tool post/01 Yantai Tool Post/10 Liuxin Tool post)
Page 179: Parameter Dc
GSK988T Turning CNC system User Manual (Volume Ⅱ ) DT0002 3000 60000 Low-pressure alarm detection time (ms) DT0003 5000 5000 Tool change (for one tool position) time upper limit (ms) DT0004 15000 1000 60000 Tool change (for maximum tool positions) time upper limit (ms) DT0005 5000...
Page 180: Parameter D
Chapter VI Standard PLC Function Configuration value DC0000 The output voltage value of inverter during spindle jog (0.01V) DC0001 The output voltage value of inverter during spindle automatic gear change (0.01V) 6.4.4 Parameter D Minimum Maximum Meaning addres PLC initial input value input value value...
Page 181 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Address Function Symbol G5.3 Tool function end signal TFIN G5.6 Auxiliary function lock signal G6.2 Manual absolute value signal ABSM G6.4 Override cancel signal G7.2 Cycle start signal G7.4 Stroke check 3 release signal RLSOT3 G7.6 Stored stroke limit selection signal...
Page 182: Signal F
Chapter VI Standard PLC Function Configuration Address Function Symbol G44.1 Machine lock for all axes signal G46.1 Signal block signal G46.7 Dry run signal G100.0～G100.4 +J1～+J5 Feed axis and direction selection signal G102.0～G102.4 -J1～-J5 G114.0～G114.4 +L1～+L5 Overtravel signal G116.0～G116.4 -L1～-L5 G200.0 Spindle jog function signal SPHD...
Page 183 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Address Function Symbol signal F7.0 Auxiliary function strobe signal F7.2 Spindle speed function strobe signal F7.3 Tool function strobe signal F8.4 The 2M auxiliary function strobe signal F8.5 The 3M auxiliary function strobe signal F9.4 DM30...
Page 184: Appendix A Alarm List
Appendix A Alarm List APPENDIX A ALARM LIST A.1 Program Alarms (P/S Alarms) Message Contents Emergency stop, ESP open Restore the ESP emergency stop signal input to circuit cancel the alarm. Part program open failure Press RESET key to cancel the alarm, or turn on the power again.
Page 185 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Message Contents DNC time out DNC transmission failure; Please check it. The setting value of feedrate During cutting feed, the feedrate is not specified or is not within the range. incorrectly specified. The values for modal G98 and G99 are different.
Page 186 Appendix A Alarm List Message Contents variable lead thread cutting, the lead variation exceeds the range. Modify the program. In thread cutting command, The thread run-out length of long axis exceeds the the thread run-out length of thread cutting length. Modify the program. long axis is excessive.
Page 187 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Message Contents invalid axis is specified, or command is incremental, or the γ value in automatic tool compensation is less than ε. Modify the program. G37 command invalid The automatic tool compensation function (G36, G37) is invalid.
Page 188 Appendix A Alarm List Message Contents specifying is erroneous. Modify the program or the parameter. An unusable G code is An unusable G code is specified in polar coordinate specified in polar coordinate interpolation. Modify the program. interpolation. Undefined address P In the programs commanded by M98, G65, G66, the address P (program number) is not defined.
Page 189 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Message Contents Macro statement execution Macro statement execution is not allowed in G70~G73 is not allowed in G70~G73 loop. Modify the program. loop Subprogram is called in Subprogram cannot be called in G70~G73 loop. G70~G73 loop Modify the program.
Page 190 Appendix A Alarm List Message Contents G00 or G01 needs to be commanded in starting block commanded in starting block of the G71~G72 loop. Modify the program. of the G71~G72 loop. None G00-G03 G00, G01, G02 or G03 is not commanded in the commanded in starting block starting block of the G73 loop.
Page 191 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Message Contents G76, thread In G76, the thread chamfering angle exceeds the chamfering angle exceeds permitted range. Modify the program. the permitted range In G76, the tool nose angle In G76, the tool nose angle exceeds the permitted exceeds the permitted range range.
Page 192 Appendix A Alarm List Message Contents canned cycle. Modify the program. Servo spindle command The increment of the servo spindle occurs in occurs in rigid tapping orientation command in rigid tapping. Modify the program. C axis command error in When signal CON (G27#7) is OFF, CS contouring spindle mode controlled axis is commanded to move.
Page 193 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Message Contents Modify the program. Illegal argument value The argument value is erroneous or illegal. Modify the program. Data error logical The data in logical operation command OR, XOR, AND operation command are negative values.
Page 194: A.2 Parameter Alarms
Appendix A Alarm List Message Contents 5008#4 MCR and modify the program. Overcut is produced within Overcut is produced within the cutting full circle in tool the cutting full circle nose radius compensation mode. Please refer to parameter 5008#5 CNF and modify the program. Overcut may be produced In tool nose radius compensation mode, overcut may when a step less than the...
Page 195: A.3 Pulse Encoder Alarms
GSK988T Turning CNC system User Manual (Volume Ⅱ ) Message Contents The same axis name is Modify the parameter NO.1020. set. The slave numbers of non-Cs axis and spindle Modify parameter No. 3704, No.8133,No.9020,No.9030. are set the same The slave numbers Cs axis and spindle are Modify parameter No.3704,No.8133,No.9020,No.9030 inconsistent...
Page 196: A.5 Overtravel Alarms
Appendix A Alarm List A.5 Overtravel Alarms Message Contents n axis + side stroke limit The positive stored stroke limit 1 has been exceeded. Modify the parameter No. 1320. The negative stored stroke limit 1 has been exceeded. n axis - side stroke limit 1 Modify the parameter No.
Page 197: A.8 Plc Alarms
GSK988T Turning CNC system User Manual (Volume Ⅱ ) Initialized pitch error The pitch error compensation data file is not existed or compensation data error the data is corrupted. The default data is used. Initialized PLC program File read failure or compilation error during loading error CNC initialization failure Turn ON the power again...
Page 198 Appendix A Alarm List A0001.3 1011 The chuck is unclamped. Spindle start is forbidden. The chuck function is disabled. Command M12/M13 A0001.4 1012 cannot be executed. Tool post locked signal is not found at the end of tool A0001.5 1013 change.
Page 199: A.9 Gsklink Communication Prompts
GSK988T Turning CNC system User Manual (Volume Ⅱ ) A.9 GSKLink Communication Prompts Message Contents Possible Reason GSKLink slave GSKLink extended function 5000 configuration Unused at present unusable. method error I/O unit missing The IO unit control function 5001 in GSKLink Unused at present is unusable.
Page 200: A.10 Servo Inner Alarms
Appendix A Alarm List Message Contents Possible Reason Please update relevant The servo configuration file is not n-th axis servo 5011 servo configuration file and found, or the data in the file is configuration turn ON the power again. unusable. failure n-th servo Please check whether the...
Page 201 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Feed DAT2030C, DAT2050C, DAT2075C, DAT2100C Servo (V1.03) Message Contents 5n00 Normal The speed of servo motor exceeds the setting 5n01 Overspeed value. 5n02 Overvoltage The main voltage is too high. 5n03 Undervoltage The main voltage is too low.
Page 202 Appendix A Alarm List 5n33 Power charging fault Charging circuit is damaged. Pulse electronic gear ratio The parameter of pulse electronic gear ratio is 5n34 is excessive incorrect. No external connected There is no external connected brake pipe or the 5n35 brake pipe pipe is faulty.
Page 203 GSK988T Turning CNC system User Manual (Volume Ⅱ ) 5n12 Unused 5n13 Overload The current of the motor is excessive. 5n14 Unused 5n15 Unused The spindle servo drive unit and motor are 5n16 Motor overheat overloaded (temporary overheat). This alarm is issued when the discharging time is 5n17 Excess braking time too long.
Page 204: Appendix B Motor Type Code List
Appendix B Motor Type Code List APPENDIX B MOTOR TYPE CODE LIST B.1 DAT2000C Series Motor Model Code List DAT2050C(5.03) Model code Model Model code Model value value PA001=0 130SJT-M075D(A4) PA001=3 130SJT-M100D(A4S) PA001=1 130SJT-M075D(A4S) PA001=4 130SJT-M150D(A4) PA001=2 130SJT-M100D(A4) PA001=5 130SJT-M150D(A4S) DAT2075C(5.03) Model code Model...
Page 205: B.2 Dap03C,Day3025C Model Code List
GSK988T Turning CNC system User Manual (Volume Ⅱ ) PA001=22 110SJT-M040D(A4I) PA001=65 Reserved PA001=23 110SJT-M040D(A4SI) PA001=66 Reserved PA001=24 110SJT-M040E(A4I) PA001=67 Reserved PA001=25 110SJT-M040E(A4SI) PA001=68 175SJT-M150D(A4I) PA001=26 110SJT-M060D(A4I) PA001=69 175SJT-M150D(A4SI) PA001=27 110SJT-M060D(A4SI) PA001=70 175SJT-M180B(A4I) PA001=28 110SJT-M060E(A4I) PA001=71 175SJT-M180B(A4SI) PA001=29 110SJT-M060E(A4SI) PA001=72 175SJT-M180D(A4I) PA001=30 Reserved...
Page 206: Appendix C Common Alarm Remedy
Appendix C Common Alarm Remedy APPENDIX C COMMON ALARM REMEDY C.1 CNC Common Alarm Remedy Meaning Possible Reason Remedy Emergency stop, Restore the ESP emergency stop ESP open circuit signal input to cancel the alarm. Part program open Program downloaded Download the program to be failure before the running in AUTO...
Page 207 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Meaning Main Reason Remedy 2, Braking resistor is unmatched A, Change to a new braking (resistance value is excessive) resistor whose resistance is Note: Smaller resistance means matched with the power. greater current, which will easily B, Reduce the ON/OFF cause damage to the braking...
Page 208 Appendix C Common Alarm Remedy Meaning Main Reason Remedy detects 2. The temperature detection temperature overheat alarm device type is different with the detection device type signal output by the one set by parameter PA57. correctly by PA57. motor. (when 3.
Page 209 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Meaning Main Reason Remedy 2. It occurs when the power is caused ON, and the drive unit is not external interference or poor enabled. It is removed after grounding. Check power-on again. grounding status interference source.
Page 210 Appendix C Common Alarm Remedy Meaning Main Reason Remedy inner driver unit. 2, EEPROM chips or circuit Change the servo drive unit. board fault; Err-21 Power open-phase Power open phase occurs. Check the input power. alarm Err-23 Current sampling 1. The current sensor’s working Change the drive unit.
Page 211 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Meaning Main Reason Remedy Err-39 Data read error in 1. PA48 parameter setting error; Set the value of PA48 sensor mode according to the matched absolute encoder encoder type of the motor, then, adjust to the default value.
Page 212: C.3 Spindle Servo Alarm Remedy
Appendix C Common Alarm Remedy C.3 Spindle Servo Alarm Remedy Meaning Main Reason Remedy Err-1 The spindle motor 1. Encoder feedback signal is Check the motor or the second speed exceeds abnormal. position encoder and its signal the setting value connection status.
Page 213 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Meaning Main Reason Remedy position deviation 2. The load inertial is excessive, Check overload detection range or the torque is insufficient. magnification setting set by PA17) motor. (refer to PA34) (PA18=0: detects B.
Page 214 Appendix C Common Alarm Remedy Meaning Main Reason Remedy 3. Motor encoder is damaged. Change motor encoder. 4. Drive unit control board is Change the drive unit. faulty. Err-11 Drive unit inner 1. It occurs when the power is Remedy for reason A is to IPM module fault ON, and the drive unit is not change to a new drive unit.
Page 215 GSK988T Turning CNC system User Manual (Volume Ⅱ ) Meaning Main Reason Remedy 4. Lines for U, V, W are Exchange any two phases. connected incorrectly. status after power-on is similar to the description in Err-27. Err-16 Overload alarm The motor is running in overload A.
Page 216 Appendix C Common Alarm Remedy Meaning Main Reason Remedy Err-25 Drive unit 1. No Z pulse signal is detected. Check connection positioning failure feedback input signal. 2. Because of excess load Check relevant motor parameter inertia, corresponding values PA49, PA66, PA67.

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