MODBUS TCP/IP PROTOCOL MANUAL - Maguire Products

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MLAN Command HistoryThe following table documents when commands have been added to the MLAN software. Thechip version number can be found on the MLAN chip within the controller.In most cases with the introduction of new commands to the software in MLAN chips, 12software chips were either first to be updated or both the 12 software and the 4 software chipswere updated at the same time.Not all chips are listed below. What are listed are chips that marked a change in the softwareand were available for testing. If your chip is not listed, it may indicate that your chip did notmark a change in the software or possibly it was not available for testing when this informationwas compiled.Chips versions numbers indicate a date. For instance chip "60603A" means 1996 (6), June (06),3rd (03) followed by "T" or “TC” for twelve software or "A" or “WS” for four software. Your chipversion number may fall somewhere in between the chips listed below if it is not directly listed.Other Notes:• Controllers using chips prior to 60603A (06/03/1996) have an earlier circuit board, whichwould need replacement if the chip is to be updated.• Chips after 90317A (03/17/1999) will have all parameters available.• Chips prior to 90317A (03/17/1999), please see chart on the following page.MLAN CommandChip VersionPrinted on ChipMLAN CommandChip VersionPrinted on ChipGet Version 60603A Get Weight Units 60710TClear Totals 20414A Set Remote Keypad 60911TClear Totals Immediately 80609A Send Keystroke 60911TGet Address 50925A Send Settings 20414TGet All Parameters 60809A Set Batch Weight 60603AGet Batch Info 60603A Set Date & Time 60603AGet Cycle, Weight & Time 30913A Set Parameter 70529AGet Display 50925A Set Steady State Rate 70916TGet Parameter 70205T Set Tag 60710TGet Settings 20414A Set Target Throughput 90317AGet Status 41019A Set Weight Units 60710TGet Steady State Rate 60603A Silence Alarm 60603AGet Target Throughput 90317A Start / Stop / Status 60603AStatusGet Totals 20414A Stop Cycle / Stop Retry 71222TGet Type 20414A XT Parameters 60603APLEASE NOTE:Depending on the date of the chip in your controller, all commands may not be available. Thechips can be upgraded, so if you need a newer chip, please contact your nearest Maguirereseller.8
Modbus TCP/IP Communication for WSBGeneral InformationThe Modbus TCP/IP command protocol data format used has been designed to be as consistentas possible with the MLAN command set. A full description of the Modbus TCP/IP specificationcan be found at www.modicon.com/openmbusThe Modbus registers are Word (two-byte) values. Values shown are decimal (base 10) values.Command Format (Write)OutputByteModbus TCP/IPDescription Name Range MLAN Description0 Transaction ID Usually 01 Transaction ID Usually 02 Protocol ID Usually 03 Protocol ID Usually 04 Total Data Length 05 Total Data Length 7 to 2556 Slave Address MLAN Address7 Function Code 15 or 168 Register Hi Command Code 24 MLAN Command9 Register Lo 010 Register Count Hi 011 Register Count Lo 0 to N12 Data Byte Count 0 to (N+1)*213 Data Word 0 Hi14 Data Word 0 Lo. .. .X Data Word N HiX+1 Data Word N LoResponse Format (Write)InputByte Modbus Description Name Range Description0 Transaction ID Usually 01 Transaction ID Usually 02 Protocol ID Usually 03 Protocol ID Usually 04 Total Data Length 05 Total Data Length 26 Slave Address MLAN Address7 Function Code 15 or 16 Top bit set on error9
Page 1 and 2: MODBUS TCP/IP PROTOCOL MANUALSeptem
Page 3 and 4: SET STEADY STATE RATE 54SET TAG 55S
Page 5 and 6: Ethernet ConnectorThe Ethernet conn
Page 7: Summary of all MLAN commandsMLAN Co
Page 11 and 12: Note: One potential source of confu
Page 13 and 14: Modbus TCP/IP Command ExampleThe ex
Page 15 and 16: Data CommandsClear TotalsDescriptio
Page 17 and 18: Get All ParametersDescription: Gets
Page 19 and 20: Note 1:Batch weight is given in pou
Page 21 and 22: Get DisplayDescription: Returns the
Page 23 and 24: Get ParameterDescription: Gets a si
Page 25 and 26: 13 Data Word 2 Hi Type Hopper 1 00
Page 27 and 28: 35 Data Word 13 Hi Setting Hopper 6
Page 29 and 30: Get StatusDescription: Returns the
Page 31 and 32: Note 1b - Output status for TWELVE
Page 33 and 34: Get Target Throughput & StatusDescr
Page 35 and 36: Get TotalsDescription: Returns the
Page 37 and 38: Response Format Type 2 - Twelve Com
Page 39 and 40: Get TypeDescription: Returns the so
Page 41 and 42: Get Weight UnitsDescription: Return
Page 43 and 44: Notes reference Send Keystroke Comm
Page 45 and 46: Command Format Type 1 - Four Compon
Page 47 and 48: Number66 Data Word 26 LoWork OrderN
Page 49 and 50: NOTE 2:Batch weight is given in pou
Page 51 and 52: 35 Padding 036 One 137 Padding 038
Page 53 and 54: Set Remote KeypadDescription: Enabl
Page 55 and 56: Set TagDescription: Sets a tag valu
Page 57 and 58: Set Target ThroughputDescription: S
Page 59 and 60:
Silence AlarmDescription: Has the s
Page 61 and 62:
Response Format (Subcommand 1:stop
Page 63 and 64:
Parameter Table from Four Component
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