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Pavone Systems MC 315 Series Technical Manual

Weight indicator wit serial outputs, fiber optics, in/out
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Pavone Sistemi
Pavone Sistemi
pesatura elettronica industriale
pesatura elettronica industriale
TECHNICAL MANUAL
MC 315
Weight Indicator wit serial outputs, fiber optics, IN/OUT
Software version PATX02
PAVONESYSTEMS

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  • Page 1 Pavone Sistemi Pavone Sistemi pesatura elettronica industriale pesatura elettronica industriale TECHNICAL MANUAL MC 315 Weight Indicator wit serial outputs, fiber optics, IN/OUT Software version PATX02 PAVONESYSTEMS...
  • Page 2 Page II...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS PRECAUTIONS ....................P. INTRODUCTION ................... P. TECHNICAL CHARACTERISTICS ..............P. INSTALLATION ..................... P. FRONT PANEL OF THE UNIT………............... P. USE OF THE KEYBOARD ................P. DISPLAY INFO ....................P. OPERATING FUNCTIONS ................P. CONFIGURATION ..................P. SET-UP MENU DIAGRAM ................

  • Page 4: Precautions

    PRECAUTIONS READ this manual BEFORE using or maintaining the unit. FOLLOW these instructions carefully. STORE this manual for future reference. WARNING This manual uses words and explanatory images to help the operator understand the pre- scriptions and fundamental criteria for the installation and appropriate use of the unit. Installation, maintenance, and repairs should only be performed by specialized operators after reading and understanding this manual.

  • Page 5: Introduction

    INTRODUCTION The MC 315 is a weighing unit designed and manufactured in accordance with directive 2014/34/ EU, fit for use in locations with potentially explosive atmospheres in compliance with norms EN 60079- 0:2018, EN 60079-11:2012, and EN 60079-26:2015. Operation is allowed in zones 1, 21, and 2, 22 (1, 2 for gases, 21, 22 for powders) as per Directive ATEX 2014/34/EU.
  • Page 6 NAMEPLATE OF THE UNIT It is important to communicate this information when inquiring about the unit, alongside the number of the software application and version stated on the cover of the manual and displayed when the unit is switched on. PAVONE SISTEMI WARNING The procedures described below should be performed by specialized staff.

  • Page 7: Technical Characteristics

    TECHNICAL CHARACTERISTICS Power 100 ÷ 250 VAC with AL-AX certified power unit or 6V battery via AL-BX barrier (in safe zones) Max absorption Insulation Class III Operating temperature -10°C ÷ +50°C (max. steam-free humidity 85%) Storage temperature -20°C ÷ +60°C Weight display Red 6-digit 7-segment LEDs (h 20 mm) LEDs...

  • Page 8: Installation

    INSTALLATION OVERVIEW The MC 315 is a multifunction unit contained in a stainless steel enclosure, fit for use in zones subject to the risk of explosion as per Directive ATEX 2014-34-EU, in accordance with norms EN 60079-0 and EN 60079-11 Ex-I (Intrinsic Safety). The MC 315 should not be soaked in water, splashed with water, and cleaned or washed with solvents.
  • Page 9 POWER SUPPLY OF THE UNIT The circuit board is powered via an AL-AX certified power unit (100 ÷250 VAC / 5VDC) or a 6V battery via AL-BX barrier. Both the power unit and the battery should be located in a safe zone or, if located in a Dangerous Zone, should be contained within a separately certified ATEX enclosure.
  • Page 10 J-BOX CGS4C ATEX MC 315 +EXC +ALM -SGN -SIG1 -EXC -ALM +SGN +SIG1 +SGN +SGN -ALM -EXC COM IN -SGN -SGN -SNS -SENSE +SNS +SENSE +ALM +EXC SHIELD +EXC +ALM OUT1 -EXC -ALM OUT2 +SGN +SGN OUT3 -SGN -SGN OUT4 OUT5 OUT6 +EXC...
  • Page 11 LOGICAL OUTPUT CONNECTION The 6 logical outputs are based on a Photorelay (clean contact) with a common. The capacity of each contact is 100 mA / 30VDC. When the output is enabled, the contact closes (contact NA). • The location that hosts to the unit can be normally subject to strong magnetic fields and electrical noises caused by other appliances.
  • Page 12 OPTICAL FIBER CONNECTION The use of optical fiber communication systems in dangerous zones offers some advantages in terms of galvanic isolation and use of low energy. Galvanic isolation makes it unnecessary to use a barrier, which would be anyway required between the dangerous and the safe zone in case of, for example, RS232 or RS485 communication or analogical output, even if the signals come from an intrinsically safe unit.

  • Page 13: Front Panel Of The Unit

    FRONT PANEL OF THE UNIT The MC 315 has a bright 6-digit display, 8 status LEDs, and 21 keys for easy operation. In the operating mode, the display shows the weight, and the LEDs indicate the weight and set point status. The set-up parameters are easy to access and adjust using the front keys to select, change, and confirm the new values.

  • Page 14: Use Of The Keyboard

    USE OF THE KEYBOARD The unit is set up and controlled via the 21-key keyboard. Set-up menus are usually managed by pressing the arrow keys to scroll the items and the PRG key to access the relevant sub-menu or programmable parameter.
  • Page 15 FUNCTION WHEN SETTING UP NUMERIC VALUES Writes the selected value (a digit is added on the right). Delete last digit. (Holds) Resets set-up. Ends entry and saves the value Exits without saving changes FUNCTION WHEN SETTING UP PROPOSED VALUES Selects the higher value. Selects the lower value.

  • Page 16: Display Info

    DISPLAY INFO When the unit is switched on, a display test is performed; the software ID and the PAtH02 relevant version are then displayed. Such codes should be communicated in case of rEV. 04 support request. When the set-up procedure is not under way, the display shows the measured weight in kg. The following messages appear in certain conditions: ERROR REPORTING The following error codes may appear on the display in the operating mode.

  • Page 17: Operating Functions

    OPERATING FUNCTIONS After calibration, the display shows the current weight when switched on next. The possible operations that can be performed from the keyboard when weight is displayed are de- scribed below. FUNCTIONS DURING WEIGHT DISPLAY ZERO Display value zeroing (gross weight). TARE Automated Tare function.
  • Page 18 Setting up the automated zero parameter upon switch-on (AUTO 0) reduces (or annuls, in case of “AUTO 0” > “0 BAND”) the scope of action of the zero command. AUTO-TARE Autotare is not performed under the following conditions: Unstable weight (the weight does not stabilize within 3 seconds of the reset command). Gross weight equal to or greater than the maximum capacity of the weighing system.
  • Page 19 MESSAGGE DESCRIPTION DEFAULT RANGE FIELDBUS ADDR. 201(MSB) Sets the value of Setpoint 1 0÷Capacity SEtP. 1 202(LSB) 203 (MSB) Sets the value of Setpoint 2 0÷Capacity SEtP. 2 204 (LSB) 205 (MSB) Sets the value of Setpoint 3 0÷Capacity SEtP. 3 206 (LSB) 207 (MSB) Sets the value of Setpoint 4...

  • Page 20: Configuration

    CONFIGURATION OVERVIEW All the functions of the MC 315 can be enabled and adjusted by accessing a simple set-up menu, shown on the following page. All the functions selected or enabled are saved even if the unit is switched off. The MC 315 is pre-configured with default parameters.
  • Page 21 CHANGING AND ENTERING PARAMETERS: The menu access procedure depends on the selected operation mode: FREE or METRIC. ACCESSING THE MENU IN CASE OF FREE OPERATION. In case of FREE operation, the operator can modify all the parameters of the unit. ACCESSING THE MENU IN CASE OF METRIC OPERATION.
  • Page 22 SET-UP MENU SUBMENU NAME Load cell data set-up menu with subsequent theoretical calibration of the unit. (*) Const (***) Calibration procedure with sample weights. (*) (***) CAL Ibr Measurement parameter set-up procedure. (*) PArAN Serial communication port operation parameter set-up menu. SEriaL Logical Input/Output mode and parameter set-up menu.

  • Page 23: Set-Up Menu Diagram

    SET-UP MENU DIAGRAM MENU MENU SUBMENU MENU SUBMENU Const aCCEss ACC-01 In-Out Fun1n1 CAL1br ACC-02 Fun1n2 PAraN ACC-03 NodE 1 SEriaL ACC-04 hyst 1 In-Out ACC-05 NodE 2 Funct hyst 2 tEst NodE 3 AnALoG hyst 3 MENU SUBMENU ACCESS NodE 4 aLi.

  • Page 24: Configuration Parameters

    CONFIGURATION PARAMETERS All the configurable parameters are described on the following pages. For the purpose of describing each parameter, if applicable, the fieldbus address corresponding to such parameter is specified. If the parameter is of the selectable type, the value to be entered into the register for the desired selection is specified in “[ ]”.
  • Page 25 PrLoAd FIXED TARE OF THE WEIGHING SYSTEM [1106-1107] Fixed tare value set-up in the weighing system. Values: 0 to Capacity Value Default: 00000 MULTIRANGE 1 [1108-1109] NrnG 1 First multirange field capacity set-up in case of 2 or 3-field multirange Values: 0 to Capacity Value Default: 00000 NrnG 1...

  • Page 26: Calibration

    CALIBRATION MENU The calibration method described herein should be implemented using sample bulks and/or a product pre-weighed on a sample scale. Always perform zero point calibration before calibrating the full scale. During calibration the display shows the weight alternating with the word CAL. WARNING: If the unit is switched off without exiting the set-up menu, the set-up is not saved.
  • Page 27 AN EXAMPLE OF CONFIGURATION/CALIBRATION Theoretical Full Scale calibration of the MC 315 is performed by setting up the above parameters. This procedure must be completed with zero point calibration as described below. The procedure ensures good system accuracy if no mechanical issues exist (max. error <1% F.S.). When the rESOLU selection is modified, full-scale calibration is automatically recalculated.
  • Page 28 WEIGHING PARAMETERS F1LtEr WEIGHT FILTER VALUE [1208] Low filter values speed up weight updating to the detriment of stability. High filter values slow down weight updating and make it more stable. Factor Settling Time Freq ADC Nr of Monotony Time Oscillation time Oscillation (Hz)
  • Page 29 AUto-0 AUTO-ZERO UPON SWITCH-ON [1204-1205] This parameter defines the value of the maximum weight that can be zeroed when the unit is switched on. Such operation corresponds to zero-point calibration of the system and is only performed if weight is stable and below the set-up value. Value: 0 to capacity.
  • Page 30 SERIAL COMMUNICATION PARAMETERS This menu allows to configure the serial ports and the communication parameters. The unit has three independent serial ports: COM1 and COM2 always with the RS485 interface; COM3, which uses fiber optics to connect various devices in a safe zone. C1Prot.
  • Page 31 C2Prot COM2 PROTOCOL Defines the usage mode of the COM2 serial port: Selectable values: None: Serial communication disabled Contin: Continuous transmission of the weight string. Can be used, among other things, to drive a weight repeater. See the relevant section for details. on deM: A weight string is transmitted when the operator presses the relevant front key or via Input2.
  • Page 32 C3Prot. COM3 PROTOCOL Defines the usage mode of the RS232 serial port on an external S318 optical fiber interface: Selectable values: None: Serial communication disabled Contin: Continuous transmission of the weight string. Can be used, among other things, to drive a weight repeater.
  • Page 33 C4Prot. COM4 PROTOCOL Defines the usage mode of the RS485 serial port on an external S318 optical fiber interface: Selectable values: None: Serial communication disabled Contin: Continuous transmission of the weight string. Can be used, among other things, to drive a weight repeater.
  • Page 34 COM 4 PARAMETERS WITH A PROFINET / ETHERCAT IN PLACE En. F buS. FIELDBUS ENABLING Enabling of PROFINET / ETHERCAT field bus; if OFF, no error messages concerning Fieldbus commu- nication are displayed: Selectable values: OFF; ON Default: OFF inP. r EG. INPUT AREA SIZE Input area size for field bus (value in Bytes).
  • Page 35 COM 4 PARAMETERS WITH AN ETHERNET IP IN PLACE En. F buS. FIELDBUS ENABLING Enabling of ETHERNET IP fieldbus; if OFF, no error messages concerning Fieldbus communication are displayed: Selectable values: OFF; ON Default: OFF IP ADDRESS ETHERNET protocol IP address. Values: 0.0.0.0 to 255.255.255.255 Default: 0.0.0.0 SubnEt...
  • Page 36 COM 4 PARAMETERS WITH PROFIBUS IN PLACE En. F buS. FIELDBUS ENABLING Enabling of PROFIBUS fieldbus; if OFF, no error messages concerning Fieldbus communication are displayed: Selectable values: OFF; ON Default: OFF Addr. 1 p PROFIBUS ADDRESS Setting-up of the address used in the PROFIBUS protocol. Value: 0 to 126 Default:01 inP.

  • Page 37: Input/Output Parameters

    INPUT/OUTPUT PARAMETERS Fun. I n. 1 INPUT 1 FUNCTION Selection of the function associated with input 1. [1301] Selectable values: Zero: Performs zero-point calibration. [0] Tare: Performs auto-tare. [1] Del.Tar: Deletes the tare. [2] Send: On-demand data transmission. (**) [3] Default: Zero FUn.
  • Page 38 NodE 2 SET POINT 1 OPERATION MODE Select 4 subsequent operation criteria of set point 1: [1308] Compare with net weight, gross, weight, or peak. In the latter case, comparison occurs with the last acquired peak value, even if the peak function is not enabled. The relay output is enabled in the Net Weight mode.

  • Page 39: Upload/Download Function

    FUNCTIONAL FEATURES SET-UP PASSW. PASSWORD SET-UP [1001] Setting of the password to access the set-up menu of the unit. If set, password entry is always requested to access the set-up menu. Set this parameter to 0 to disable this function. Value: 0000 to 9999.
  • Page 40 TEST MENU MENU MESSAGGE DESCRIPTION TYPE Displays the unit input signal in mV/V Dis. S1GnAL Displays weight with a 10-fold resolution vs. the set one. Dis. H1 rES. Displays the power supply measured by the unit. Dis. PSuppL. Logical input testing procedure (see specific description). Test.
  • Page 41 COM1/COM2/OPTICAL FIBER TEST FUNCTIONS After accessing the test function of the relevant COM port, the following message is displayed: 00r. 0 0C The test consists in transmitting the string received from the relevant serial line (echo) and displaying the number of strings received and the number of characters received in the last string. = Number of strings received.
  • Page 42 ANALOGICAL OUTPUT PARAMETERS (OPTIONAL) This menu is only displayed if the optional analogical output is configured. rAnGE. ANALOGICAL OUTPUT RANGE [1506] Select the analogical output field. Selectable values: 0÷10 Vdc [0] 0÷5 Vdc [1] 4÷20 mA [2] 0÷20 mA [3] Default: 0÷10 Vdc NodE.

  • Page 43: Access Display

    ACCESS DISPLAY This menu is only displayed in case of METRIC operation. SUBMENU MESSAGE NAME DESCRIPTION TYPE Procedure to display the last access of the Access 01 ACC-01 authorized staff. Procedure to display the last access but one Access 02 ACC-02 of the authorized staff.

  • Page 44: Alibi Memory Consultation

    ALIBI MEMORY CONSULTATION This menu is only displayed in case of METRIC operation. SUBMENU MESSAGE NAME DESCRIPTION TYPE RANGE Consult Procedure for consulting the wei- alibi ghings saved in the Alibi memo- 0÷959999 ALi. N EN SEE. N EN. memory In case of METRIC operation and alibi memory enabled: • Each weighing performed is saved in the alibi memory.

  • Page 45: Serial Communication Protocols

    SERIAL COMMUNICATION PROTOCOLS CONTINUOUS ASCII AND MANUAL PROTOCOL Continuous transmission is performed at the weight update frequency, in accordance with the serial transmission baud rate. On-demand transmission can be performed using the specific function key or via logical input. In case of FREE operation, the string is transmitted with the Continuous and On-Demand protocols: <status>...
  • Page 46 SLAVE PROTOCOL LIST OF THE AVAILABLE COMMANDS: 1. Net weight query. 2. Auto-tare command. 3. Tare clear command. 4. Semi-automated zero command. 5. Weight set point setting. 6. Set set point query. 7. Command for set point saving in permanent memory. 8.
  • Page 47 6. SET Set point QUERY Master: <Addr> “R” <index> <set point> EOT MC 315: <Addr> “R” <index> <set point> ETX <csum> EOT or <Addr> NAK EOT 7. PERMANENT Set point STORAGE COMMAND Master: <Addr> “E” EOT MC 315: <Addr> “E” ACK EOT or <Addr> NAK EOT 8.
  • Page 48 10. WEIGHING EXECUTION COMMAND This command is only available in case of METRIC operation. Conditions for possible use in- clude: • Stable weight. • Weight changed by at least 20 divisions (weight delta) since the last weighing performed. • Gross weight is equal to or higher than minimum weighing (20 divisions) and lower than maximum capacity.
  • Page 49 MODBUS RTU PROTOCOL The addresses in the table below follow the standard routing specified in the reference guide of the Modicom PI-MBUS-300. An abstract is provided below to ensure smooth user-unit communication. “All data addresses in Modbus messages are referenced to zero. The first occurrence of a data item is addressed as item number zero.
  • Page 50 MODBUS PROTOCOL HOLDING REGISTERS LIST The unit’s parameters that can be read or set via the communication interfaces available thereon, based on hardware configuration, are listed in the following table. Type-R registers are the readable ones, whereas W-type registers are the writeable ones. In case of Modbus TCP protocol, the unit’s address (“Unit Identifier”...
  • Page 51 0502 Data Register (LSB) INT. value - Least significant word (See relevant table) 0503 Command Register See relevant table. 1101 (*) Weight division value, channel A R/W See relevant table. 1102 (*) Decimals, channel A (*) Load cell capacity, channel A 1103 R/W INT.
  • Page 52 1303 Output 1 mode - Function R/W See correspondence in section “serial port parameters” 1304 Output 1 mode - Logical R/W See correspondence in section “serial port parameters” 1305 Output 1 mode - Polarity R/W See correspondence in section “serial port parameters” 1306 Output 1 mode - Stability R/W See correspondence in section “serial port parameters”...
  • Page 53 TABLE B – INPUT ENCODING (ADDR. 0006) 15÷2 Description Not used IN2 Enable IN1 Enable TABLE C – OUTPUT ENCODING (ADDR. 0007) 15÷6 Description Not used Out 6 Enable Out 5 Enable Out 4 Enable Out 3 Enable Out 2 Enable Out 1 Enable WARNING: bits 15 to 4 are not managed and are always worth 0.
  • Page 54 EXAMPLES ZERO CALIBRATION In conditions of empty and stable scale, write the hexadecimal value 0005 in the Command Register (0503). Write the hexadecimal value 0007 in the Command Register for permanent saving of the new Zero value. FULL SCALE CALIBRATION Place the sample weight on the scale, for example 1256 Kg.
  • Page 55 FIELDBUS PROTOCOL The input area registers (written by the unit and read by the master), shared by all the PROFIBUS, PROFINET, ETHERCAT, ETHERNET/IP fieldbuses, are listed in the following table. The registers’ size is 16 bits. The input area is updated at a fixed frequency of 125 Hz (80 Hz in case of PROFIBUS fieldbus).
  • Page 56 63-64 Set-Point 4, channel B (MSW) INT. value - Most significant word 65-66 Set-Point 4, channel B (LSW) INT. value - Least significant word 67-68 Set-Point 5, channel B (MSW) INT. value - Most significant word 69-70 Set-Point 5, channel B (LSW) INT.
  • Page 57 The output area registers (written by the master and acquired by the unit), shared by all the PROFIBUS, PROFINET, ETHERCAT, ETHERNET/IP fieldbuses, are listed in the following table. The registers’ size is 16 bits. The registers written by the master in the output area are read by the unit at a fixed frequency of 125 Hz (80 Hz in case of PROFIBUS fieldbus).
  • Page 58 69-70 (*)Fixed tare, channel A (LSW) INT. value - Least significant word 71-72 (*) Multirange 1, channel A (MSW) INT. value - Most significant word 73-74 (*) Multirange 1, channel A LSW) INT. value - Least significant word 75-76 (*) Multirange 2, channel A (MSW) INT.
  • Page 59 Zero-point calibration In empty scale conditions, write the value Bex 4 in the Command Register. The new zero value is acquired. Full Scale calibration: Load a known weight onto the system, write the relevant value in the Data Register (bite 3 to 6) and write the value Hex in the Command Register.

  • Page 60: Troubleshooting

    TROUBLESHOOTING ISSUE POSSIBLE CAUSE SOLUTION The acquired weight cannot be The display shows the measured because the cell is absent Check cell connections message O-L or wrongly connected The display shows The acquired weight cannot be Use set-up parameters compatible the high dash on the shown because it exceeds the with system characteristics.
  • Page 61 Page 59...
  • Page 62 PAVONE SISTEMI S.R.L. Via Tiberio Bianchi, 11/13/15, 20863 Concorezzo (MB) T 039 9162656 F 039 9162675 W en.pavonesistemi.it Industrial Electronic Weighing Systems since 1963...

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