Summary of Contents for RKC INSTRUMENT SR Mini HG SYSTEM H-LNK-A
Page 1
SR Mini HG SYSTEM Power Supply/CPU Module Link Module [Control & Communication Link] H-PCP-G H-LNK-A Instruction Manual IMSRM52-E4 RKC INSTRUMENT INC. ®...
Page 2
The MELSEC and Control & Communication Link system are products manufactured by Mitsubishi Electric Co., Ltd. Company names and product names used in this manual are the trademarks or registered trademarks of the respective companies. All Rights Reserved, Copyright 1998, RKC INSTRUMENT INC.
Page 3
Thank you for purchasing the RKC instrument. In order to achieve maximum performance and ensure proper operation of your new instrument, carefully read all the instructions in this manual. Please place this manual in a convenient location for easy reference.
Page 4
The figures, diagrams and numeric values used in this manual are only for purpose of illustration. RKC is not responsible for any damage or injury that is caused as a result of using this instrument, instrument failure or indirect damage.
CONTENTS Page 1. OUTLINE................1 1.1 Product Outline....................1 1.2 Handling Procedure..................2 1.3 Checking the Products ..................3 1.4 Confirmation of the Model Code ..............4 1.5 System Configuration ..................5 1.6 Parts Description .....................7 1.6.1 H-PCP-G module ....................7 1.6.2 H-LNK-A module ....................8 2.
Page 6
Page 5.4 When the Power is Turned on for the First Time ...........31 5.5 Control Unit Operation When the PLC is Abnormal........31 6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS .. 32 6.1 Communication Between Master Station and Remote Device Station ..32 6.2 Remote Input/Output ..................33 6.3 Remote Registers..................43 6.4 Extension No.
Link module, Power supply/CPU module, H-LNK-A H-PCP-G RS-232C or RS-422A (RKC standard Connected to protocol) Control & Communication Link SR Mini HG SYSTEM control unit (Remote device station) The control unit for the SR Mini HG SYSTEM consists of the dedicated power supply/CPU module (H-PCP-G), the Link module (H-LNK-A) and temperature control function modules.
1. OUTLINE 1.2 Handling Procedure Proceed with the work according to the following procedure. See 1.3 Checking the Products (P. 3). Confirmation of the products See 1.4 Confirmation of the Model Code (P. 4). Confirmation of the model code See 3. MOUNTING (P. 15). Mounting and Wiring See 4.
1.3 Checking the Products When unpacking your new instrument, please confirm that the following products are included. If any of the products are missing, damaged, or if your manual is incomplete, please contact RKC sales office or agent for replacement.
The model code for the instrument you received is listed below. Please confirm that you have received the correct instrument by checking the model code label, located on the left side of the module, with this list. If the product you received is not the one ordered, please contact RKC sales office or agent for replacement.
Mitsubishi PLC Function modules, Host Up to 8 modules H-PCP-G H-LNK-A RS-232C/RS-422 computer A (RKC standard protocol) The SR Mini HG SYSTEM can be set and monitored. SR Mini HG SYSTEM control unit RS-422A (RKC standard Function modules, protocol)
1. OUTLINE Usable modules The following function modules can be used with Control & Communication Link in combination with the H-PCP-G and H-LNK-A modules. Temperature control module H-TIO-A ··············· 1 channel type, Temperature input H-TIO-B ··············· 2 channels type, Temperature input H-TIO-C ···············...
1. OUTLINE 1.6 Parts Description 1.6.1 H-PCP-G module (10) Front Side Name Description Unit address No. setting switch Switch to set control unite address No. Setting range: 0 to 15 (0 to F, hexadecimal) Data correctly received indicator Turned on: During data receive lamp (RX), Yellow LED Data correctly sent indicator Turned on: During data send...
1. OUTLINE 1.6.2 H-LNK-A module Rear Side Front (View with the mother block removed) Name Description Data correctly received indicator Turned on: During data receive lamp (RX), Yellow LED Data correctly sent indicator Turned on: During data send lamp (TX), Yellow LED Failure indicator lamp (FAIL), Turned off: When the module is normal Red LED...
Page 15
1. OUTLINE Continued from the previous page. Name Description Station No. setting switch Switch to set control unit station No. (STATION No.) Setting range: 1 to 61 × 10: For tens digit setting × 1: For unit digit setting Communication terminals Control &...
2. SPECIFICATIONS 2.1 H-PCP-G Module (1) Basic functions Item Specifications Data supervision function Operating data/system data Unit diagnosis function Function modules configuration check Self-diagnostic function Check item ROM/RAM check Watchdog timer CPU power supply monitoring Operation at error All module outputs are set to the off state occurrence in hardware wise.
Page 17
− Temperature alarm (First alarm, Second alarm) − Heater break alarm (HBA) − Burnout alarm − Loop break alarm (LBA) − Temp. rise completion (5) Interface (RKC standard communication) Item Specifications Based on RS-422A, EIA standard Communication interface Based on RS-232C, EIA standard...
Page 18
2. SPECIFICATIONS (6) System setting items Item Specifications Temperature alarm First alarm and Second alarm − Deviation high alarm − Deviation low alarm − Deviation high/low alarm − Band alarm − Deviation high alarm with hold action − Deviation low alarm with hold action −...
2. SPECIFICATIONS 2.2 H-LNK-A Module Item Specifications Module type Remote device station No. of occupied stations 4 stations occupied 0: 156 Kbps Transmission speed 1: 625 Kbps 2: 2.5 Mbps 3: 5 Mbps 4: 10 Mbps Set by the rotary switch at the rear of the module. The maximum transmission distance differs depending on the transmission speed.
Page 20
2. SPECIFICATIONS Continued from the previous page. Item Specifications Remote relay Communication items − First alarm status − Second alarm status − Burnout alarm status − Heater break alarm (HBA) status − PID/AT transfer status − Control RUN/STOP transfer Remote registers (Read only) −...
3. MOUNTING This Chapter describes the mounting procedures for the H-PCP-G and H-LNK-A modules. For details of the mounting procedures for other modules and the mounting position of the control unit, see the Hardware Quick manual (IMS01V01-E ). WARNING To prevent electric shock or instrument failure, always turn off the power before mounting or removing the instrument.
3. MOUNTING 3.2 Dimensions External Dimensions (Unit: mm) * Dotted-line section: Terminal cover (With the terminal cover fixed to the module) H-PCP-G module (Unit: mm) H-LNK-A module IMSRM52-E4...
Page 23
3. MOUNTING Module mounting depth The mounting depth of each module is 108 mm from the mounting surface inside the panel to the module front with the module mounted on the DIN rails. However, when a connection cable (modular connector) is connected, additional depth is required. (Unit: mm) Approx.
3. MOUNTING 3.3 Mounting the Mother Block The mother block can be mounted on the panel directly or on the DIN rail. Mounting on the panel directly 1. Select mother block mounting space by referring to the following mounting and External dimensions (P.16) (Unit: mm)
Page 25
3. MOUNTING Mounting on the DIN rail 1. Remove the module from the mother block. For details of removing the module, see 3.5 Removing the Module (P.21). 2. Pull down both locking devices at the bottom of the mother block. (Figure 1) 3.
3. MOUNTING 3.4 Mounting the Module Mount the module on the mother block mounted on the panel or DIN rail. 1. Insert the projection at the top of the mother block into the hole at the top of each module. (Figure 1, 3) 2.
3. MOUNTING 3.5 Removing the Module To separate the module mainframe from the mother block, press the bottom on the module, lifting upward, to release connection. Module mainframe Mother block Module mainframe Upper section Lower section Mother block Press bottom of module and lift upward to release This figure shows the H-LNK-A module.
3. MOUNTING 3.6 How to Fix the Terminal Cover The terminal cover can be fixed to the module without using a screw. However, when fixing the terminal over to the module using a screw, use a 3 × 8 tapping round head screw (taper thread) . As the screw is not attached to the module, prepare it on the customer side.
4. WIRING 4.1 Wiring of H-PCP-G Module WARNING To prevent electric shock or instrument failure, do not turn on the power until all the wiring is completed. CAUTION Power supply wiring: Use a power supply is within the power supply voltage variation range. For power supply wires, use twisted wires with low voltage drop.
Page 30
4. WIRING Terminal configuration FAIL FAIL output terminals OUT1 OUT1 Unused OUT2 OUT2 Power supply Digital output terminals terminals OUT3 OUT3 Ground terminal OUT4 OUT4 Unused Relay contact Open collector output output Screw tightening Screw size: M3 Tightening torque (Recommended value): 0.4 N⋅m (4 kgf⋅cm) Power supply voltage Use a power supply is within the power supply voltage variation range.
4. WIRING Digital output A digital signal is output when an alarm occurs or a temperature rise completion signal is issued. The types of function signals that are output are 1st alarm, 2nd alarm, heater break alarm, burnout alarm, temperature rise completion signal and control loop break alarm. (Specify when ordering.) Number of output points: 4 Output types: Relay contact output or open collector output (Specify when ordering.) The digital output status is stated on the Model No.
4. WIRING 4.2 Connection of H-LNK-A Module With Master Station WARNING To prevent electric shock or instrument failure, turn off the power before connecting or disconnecting the instrument and peripheral equipment. CAUTION Always connect a terminating resistor between the DA and DB terminals of the module to be located at the far end.
4. WIRING The H-LNK-A module is connected to the Control & Communication Link master station using a twisted pair cable dedicated to Control & Communication Link Ver. 1.10. SR Mini HG SYSTEM SR Mini HG SYSTEM Mitsubishi PLC control unit control unit H-LNK-A H-LNK-A...
5. PREPARATION BEFORE OPERATION 5.1 Station No. Setting Set the control unit station No. using the station No. setting switch at the front of the H-LNK-A module. To do this, use a small blade screwdriver. Station No. H-LNK-A module × 10 Example: When station No.
5. PREPARATION BEFORE OPERATION 5.2 Transmission Speed Setting Set the transmission speed between the control unit (H-LNK-A module) and Control & Communication Link master station using the transmission speed setting switch at the rear of the H-LNK-A module. To do this, use a small blade screwdriver. Set the same transmission speed to the Control &...
5. PREPARATION BEFORE OPERATION 3. After completing the setting, engage the upper connection of the mainframe with that of the mother block, then perform the reverse order of separation to engage the lower part of the mainframe with the mother block with the upper connection set to the fulcrum. Firmly engage the mainframe with the mother block until a click sound is produced.
5. PREPARATION BEFORE OPERATION 5.4 When the Power is Turned on for the First Time Checking before power on Check the following items, and then turn on the power of the control unit. • Operation environments conform to 3.1 Mounting Environment (P. 15). •...
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS 6.1 Communication Between Master Station and Remote Device Station The SR Mini HG SYSTEM control unit (hereinafter, temperature control unit) which is a remote device can process remote input (RX), remote output (RY) and remote registers (RWw and RWr). Outline of communication between master station and remote device station Remote device station CPU of PLC...
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS 6.2 Remote Input/Output Remote data corresponds to bit data, and Remote input (RX) and output (RY) are ON/OFF data. 16-bit data is collectively (word) processed during FROM/TO instruction execution. “n” in the table is the address assigned to the master station by the station No. setting. It can be calculated by the following equation: n = (Station No.
Page 40
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Direction: Remote device station (Temperature control unit) → Master station (PLC) [Remote input] Address Details RX(n+1)0 Unused RX(n+1)1 Unused RX(n+1)2 Unused RX(n+1)3 Unused RX(n+1)4 Unused RX(n+1)5 Unused RX(n+1)6 Unused RX(n+1)7 Unused RX(n+1)8...
Page 41
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Direction: Remote device station (Temperature control unit) → Master station (PLC) [Remote input] Address Details RX(n+3)0 Second alarm status (OFF: Alarm OFF, ON: Alarm ON) RX(n+3)1 Burnout alarm status (OFF: Alarm OFF, ON: Alarm ON) RX(n+3)2 Heater break alarm (HBA) status (OFF: Alarm OFF, ON: Alarm ON) PID/AT transfer status (OFF: PID control, ON: AT <Autotuning>...
Page 42
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Direction: Remote device station (Temperature control unit) → Master station (PLC) [Remote input] Address Details RX(n+5)0 CH12 Second alarm status (OFF: Alarm OFF, ON: Alarm ON) RX(n+5)1 CH12 Burnout alarm status (OFF: Alarm OFF, ON: Alarm ON) RX(n+5)2 CH12 Heater break alarm (HBA) status (OFF: Alarm OFF, ON: Alarm ON)
Page 43
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Direction: Remote device station (Temperature control unit) → Master station (PLC) [Remote input] Address Details RX(n+7)0 Reserved RX(n+7)1 Reserved RX(n+7)2 Reserved RX(n+7)3 Reserved RX(n+7)4 Reserved RX(n+7)5 Reserved RX(n+7)6 Reserved RX(n+7)7 Reserved RX(n+7)8...
Page 44
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS List of remote output (4 stations occupied, Temperature control 16 channels) Direction: Master station (PLC) → Remote device station (Temperature control unit) Address Details RYn0 RYn1 Extension No. setting for display * RYn2 Specify any one of 0 to 63 by RYn0 to RYn5 (b0 to b5) ON/OFF. RYn3 For details of 0 to 63, see 6.4 Extension No.
Page 45
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Direction: Master station (PLC) → Remote device station (Temperature control unit) [Remote output] Address Details RY(n+1)0 Unused RY(n+1)1 Unused RY(n+1)2 Unused RY(n+1)3 Unused RY(n+1)4 Unused RY(n+1)5 Unused RY(n+1)6 Unused RY(n+1)7 Unused RY(n+1)8...
Page 46
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Direction: Master station (PLC) → Remote device station (Temperature control unit) [Remote output] Address Details RY(n+3)0 Unused RY(n+3)1 Unused RY(n+3)2 Unused RY(n+3)3 Unused RY(n+3)4 Unused RY(n+3)5 Unused RY(n+3)6 Unused RY(n+3)7 Unused RY(n+3)8...
Page 47
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Direction: Master station (PLC) → Remote device station (Temperature control unit) [Remote output] Address Details RY(n+5)0 Unused RY(n+5)1 Unused RY(n+5)2 Unused RY(n+5)3 Unused RY(n+5)4 Unused RY(n+5)5 Unused RY(n+5)6 Unused RY(n+5)7 Unused RY(n+5)8...
Page 48
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Direction: Master station (PLC) → Remote device station (Temperature control unit) [Remote output] Address Details RY(n+7)0 Reserved RY(n+7)1 Reserved RY(n+7)2 Reserved RY(n+7)3 Reserved RY(n+7)4 Reserved RY(n+7)5 Reserved RY(n+7)6 Reserved RY(n+7)7 Reserved RY(n+7)8...
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS 6.3 Remote Registers Remote registers (RWr and RWw) are numerical data. “n” and “m” in the table are the addresses assigned to the master station by the station No. setting. They can be calculated by the following equations: n = (Station No.
Page 50
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Direction: Master station (PLC) → Remote device station (Temperature control unit) [RWw] Address Details RWwm RWwm+1 RWwm+2 RWwm+3 RWwm+4 RWwm+5 RWwm+6 Data specified by the Extension No. setting for setting [RYn6 to RYnB] * RWwm+7 For details of the Extension No.
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS 6.4 Extension No. The Extension No. is that specified by the remote output [RYn0 to RYn5 or RYn6 to RYnB] to select data processed by the remote register. If the necessary data is selected from the following table and its Extension No. is specified by the remote output [RYn0 to RYn5 or RYn6 to RYnB], it can be processed by the remote register.
Page 52
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Extension No. Attri- Factory Name Data range Description bute set value 0 to 3600 seconds Sets the derivative time Derivative time (D) (0: PI control) which predicts output changes in proportional control to prevent ripples and thus improve control stability.
Page 53
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Extension No. Attri- Factory Name Data range Description bute set value −5.0 to +105.0 % Manual output value Sets the manual output value. − − − − Cannot be used. −...
Page 54
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Extension No. Attri- Factory Name Data range Description bute set value 0: Unused Selects the temperature Operation mode 1: Only monitoring control channel operation setting 2: Only monitoring mode. and alarm 3: Normal −...
Page 55
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Continued from the previous page. Extension No. Attri- Factory Name Data range Description bute set value − − − − Cannot be used. − − − − Cannot be used. − − − − Cannot be used.
Page 56
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Heater break alarm function The current transformer (CT) input measured value [Extension No.2] and heater break alarm set value [Extension No.24] are used by the heater break alarm function. The heater break alarm set value is set to about 85% of the current transformer (CT) input measured value.
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS 6.5 Flag Operation Remote input/output and remote register flag operations are as follows. Initialize request processing at power on Initialize processing request from remote device station (Temperature control unit). If the SR Mini HG is initialized at power on, the initialize data processing request flag [RX(n+7)8] is turned on.
Page 58
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Error flag/error reset processing When the error status flag [RX(n+7)A] is turned on, the error code is stored in the remote register. If the error reset request flag [RY(n+7)A] is turned on when an error occurs, [RX(n+7)A] is turned off to clear the error code.
Page 59
6. REMOTE INPUT/OUTPUT AND REMOTE REGISTERS Extension No. for setting selection processing The content of the extended setting remote register is selected and the set value is changed. Extension No. for setting [RYn6 to RYnB] Extended setting flag [RYnD] Extended setting completion [RXnD] Remote register [RWwm to RWwm+F]...
Control & Communication Link system master/local unit (Master station) Station No.: 0 Slot: 0 SR Mini HG SYSTEM H-LNK-A module Station No.: 1 (4 stations occupied) System configuration used for examples of sequence programs The control unit (Temperature control unit) starts with control RUN/STOP transfer set to the control STOP state after power on.
7. EXAMPLES OF SEQUENCE PROGRAMS 7.1 List of Internal Relays (M) and Data Registers (D) List of internal relays (M) Number Details Unused Initialize Unused RYn0 RYn1 Extension No. for display RYn2 RYn3 RYn4 RYn5 RYn6 RYn7 Extension No. for setting RYn8 RYn9 RYnA...
Page 62
7. EXAMPLES OF SEQUENCE PROGRAMS Continued from the previous page. [Internal relays (M)] Number Details Work area RY(n+7)3 Work area RY(n+7)4 Work area RY(n+7)5 Work area RY(n+7)6 Work area RY(n+7)7 Initialize data processing completion flag RY(n+7)8 Initialize data setting request flag RY(n+7)9 Error reset request flag RY(n+7)A...
Page 63
7. EXAMPLES OF SEQUENCE PROGRAMS Continued from the previous page. [Internal relays (M)] Number Details Work area RX(n+7)0 Work area RX(n+7)1 Work area RX(n+7)2 Work area RX(n+7)3 Work area RX(n+7)4 Work area RX(n+7)5 Work area RX(n+7)6 Work area RX(n+7)7 Initialize data processing request flag RX(n+7)8 Initialize data setting completion flag RX(n+7)9...
Page 64
7. EXAMPLES OF SEQUENCE PROGRAMS List of data registers (D) Number Details Initialize Unused Extension No. Extension No. Temperature measured value (PV) Temperature measured value (PV) Temperature measured value (PV) Temperature measured value (PV) Temperature measured value (PV) Temperature measured value (PV) Temperature measured value (PV) Temperature measured value (PV) Temperature measured value (PV)
Page 65
7. EXAMPLES OF SEQUENCE PROGRAMS Continued from the previous page. [Data registers (D)] Number Details Unused Temperature set value (SV) Temperature set value (SV) Temperature set value (SV) Temperature set value (SV) Temperature set value (SV) Temperature set value (SV) Temperature set value (SV) Temperature set value (SV) Temperature set value (SV)
7. EXAMPLES OF SEQUENCE PROGRAMS 7.2 Example of Initialize Sequence Program (Master fault) (Master ready) Number of connected stations (1 station) MOVK1 D0 Number of retries (3 times) MOVK3 D1 Number of automatic recovery stations MOVK (1 station) Operation specification when the CPU MOVK0 D3 goes down (0 = Dato link stop when a fault)
7. EXAMPLES OF SEQUENCE PROGRAMS 7.3 Example of Data Fetch Sequence Program (Normally ON) SM1036 (RX) Read of alarm state data, etc. from FROM H0E0 K4M51 K1 SR Mini HG in M relay (16 channels) (RX) FROM H0E7 K4M71 K1 (RWr) Temperature measured value data read FROM...
7. EXAMPLES OF SEQUENCE PROGRAMS 7.4 Example of Set Data Change Sequence Program M64: Extended setting completion M24: Extended setting flag M27: Set data transfer Setting flag setting (T1: Write delay timer) (Extended setting completion) Set value setting SM1036 Temperature set value (SV) MOVK150 D57 (CH1 = 150) Temperature set value (SV)
8. HOST COMMUNICATION This Chapter describes communication identifiers to be added when communication is conducted by connecting the SR Mini HG SYSTEM control unit with the host computer. Communications Quick Manual (IMS01V02-E ) Location of addition: Between identifiers L1 and Q3 in 6. COMMUNICATION IDENTIFIERS LIST. Details of addition: Factory Attri-...
Page 70
Control unit send Selecting example Host computer send Host computer send Unit Selecting of No. of address occupied channels Control unit send need Supplementary Information, Initialize setting [Extended communications] (IMSRM07-E ), please contact your RKC agent or our sales office. IMSRM52-E4...
Page 71
8. HOST COMMUNICATION List of remote register (4 stations occupied, Temperature control 8 channels) If “1: 8 Channels” is selected by the number of Control & Communication Link occupying channels (ZC), the content of the remote register becomes as follows. For details on the remote register when “0: 16 channels”...
Page 72
8. HOST COMMUNICATION Direction: Master station (PLC) → Remote device station (Temperature control unit) [RWw] Address Details RWwm Temperature set value (SV) RWwm+1 Temperature set value (SV) RWwm+2 Temperature set value (SV) RWwm+3 Temperature set value (SV) RWwm+4 Temperature set value (SV) RWwm+5 Temperature set value (SV) RWwm+6...
Page 73
The 1st edition: MAR. 1998 The 4th edition: MAY 2006 [IMQ00]...
Page 74
RKC INSTRUMENT INC. HEADQUARTERS: 16-6, KUGAHARA 5-CHOME, OHTA-KU TOKYO 146-8515 JAPAN PHONE: 03-3751-9799 (+81 3 3751 9799) E-mail: info@rkcinst.co.jp FAX: 03-3751-8585 (+81 3 3751 8585) IMSRM52-E4 MAY 2006...
Need help?
Do you have a question about the SR Mini HG SYSTEM H-LNK-A and is the answer not in the manual?
Questions and answers