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CMVMB401B

SMVector

RS-485 Modbus Communication Module

Communications Interface Reference Guide

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Summary of Contents for Lenze RS-485

Page 1: ...CMVMB401B SMVector RS 485 Modbus Communication Module Communications Interface Reference Guide...

Page 2: ...splay 1 01 then writing to any drive register over the Modbus network MUST NOT BE ATTEMPTED as it would have the potential for unexpected consequences potentially resulting in damage to the equipment...

Page 3: ...nditions 13 6 4 Exception Responses 13 7 Commissioning 14 7 1 Drive Monitoring 14 7 2 Drive Programming and Control 14 7 3 Unlocking Locking of Drive Controls and Parameters 14 7 4 Network Watchdog Ti...

Page 4: ...ance with the EMC Directive 89 336 EEC The drive controllers meet the requirements of the Low Voltage Directive 73 23 EEC The harmonised standards of the series EN 50178 DIN VDE 0160 apply to the cont...

Page 5: ...operation of the inverter drive The system design must incorporate adequate protection to prevent personnel from accessing moving equipment while power is applied to the drive system Pictographs used...

Page 6: ...ndustrial environment The ESVZAR0 module provides both galvanic and optical isolation of this physical interface 2 2 SMVector Modbus RTU Implementation Speci cations Typical communications between mas...

Page 7: ...l is connected to the Modbus network GND common If only two wires are used TXA and TXB in the network connect Terminal 1 to chassis earth ground 2 TXA If controller is located at either end of the net...

Page 8: ...6 ENGLISH Installation 3 3 Installing the Terminal Cover...

Page 9: ...ed Read only Online state 3 indicates that the communications between the drive and module are working properly 1 Initialization Module to EPM 2 Initialization EPM to Module 3 Online 4 Failed Initiali...

Page 10: ...ata bits Even Parity 1 stop bit 3 8 Data bits Odd Parity 1 stop bit P425 Network Message time out 10 0 0 0 s 300 0 P426 Network Message time out action 4 0 Not active 1 STOP see P111 2 Quick stop 3 In...

Page 11: ...pported by the drive are The function codes supported by the drive are 03 Read Holding Register 4X references 04 Read Input Register 3X references Note We do not differentiate between 4X and 3X refere...

Page 12: ...low word of the 32 bit register value or as 2 words returning the complete 32 bit register value Register 541 Total Power On Hours can be read as 1 word returning only the low word of the 32 bit regis...

Page 13: ...mple Total Run time Hours 305419896 12345678h Register 60 low word of total run time hours 5678h Register 61 high word of total run time hours 1234h R SA 03 00 3C 00 02 CRCH CRCL RS SA 03 04 56 78 12...

Page 14: ...only R SA 03 00 18 00 06 CRCH CRCL RS SA 0C D1H D1L D2H D2L D3H D3L D4H D4L D5H D5L D6H D6L CRCH CRCL Command Frequency D1H D1L Register 24 DH DL Actual Frequency D2H D2L Register 25 DH DL Load D3H R...

Page 15: ...put buffer over ow occurs 6 4 Exception Responses If a valid message is received i e parity crc address and message length all pass validity checks but the message contents are somehow invalid the dri...

Page 16: ...ting to Register 48 Unlock Controls with a value equal to the drive s programming password P194 will unlock the Drive Control register 1 and all other writable drive registers This enables the writing...

Page 17: ...ll occur The watchdog timer does not operate unless Controls have been UNLOCKED via Register 48 and a time out action other than IGNORE has been speci ed using parameter P426 7 5 Watchdog Timer Contro...

Page 18: ...y writing the drive password P194 to Register 49 The drive will remain in its normal control mode 2 Write to all necessary drive con guration or parameters registers 3 The watchdog timer is not enable...

Page 19: ...etup to display the actual frequency in RPM using P178 29 17 the actual speed would be displayed on the drive as 1000 RPM but would still be sent over the Modbus communications as 343 or 01 57 hex 9 2...

Page 20: ...Command 0 0 Hz P102 P103 See Section 8 3 45 Network PID Setpoint Command 0 0 999 0 3100 0 Read only See Sections 8 3 and 9 2 8 46 Network Torque Command 0 0 0 400 0 See Sections 8 3 48 Unlock Controls...

Page 21: ...e desired action should be set to 1 For example to stop the drive according to P111 bit 2 should be set i e send 0004h To start the drive bit 3 should be set i e send 0008h Locking security i e settin...

Page 22: ...HP 2 2 kW 21 240 VAC Three Phase 0 5 HP 0 37 kW 23 1 HP 0 75 kW 24 1 5 HP 1 1 kW 25 2 HP 1 5 kW 26 3 HP 2 2 kW 28 5 HP 4 kW 29 7 5 HP 5 5 kW 30 10 HP 7 5 kW 42 480 VAC Three Phase 0 5 HP 0 37 kW 44 1...

Page 23: ...7 10 MOP 11 Network 9 10 11 12 Control 0 Keypad 1 Terminal 2 Remote Keypad 3 Network 13 14 0 Network Control DISABLED 1 Network control ENABLED 15 0 DC Braking not active 1 DC Braking active 9 2 4 Re...

Page 24: ...t commands from optional remote keypad P100 2 or 5 3 Network Only Start commands from Network but Network control is not active P100 3 4 Network Control Start commands from Network and Network control...

Page 25: ...t F EF 32 Follower Lost F FoL 14 Control Fault F CF 33 ISO Comm Fault F F11 15 Start Error F UF 34 SPI Time out F ntF 16 Incompatibility Fault F cF 35 Invalid Message Received F Fnr 17 Internal Fault...

Page 26: ...state of the relay or digital output TB14 Drive Programming Parameter P140 and or P142 must be set to 25 Network Controlled 9 2 11 Register 71 Network Controlled Analog Output To control the state of...

Page 27: ...um Frequency over the Modbus network you would read register 103 10 1 Negative Number Transmission Drive parameters P160 P161 P204 P205 P214 P215 P231 P232 P233 P522 and P523 are signed integer values...

Page 28: ...531 the Keypad Status data returned can be interpreted as follows Data Low Byte 0 UP Push button State Data High Byte 8 Unused 1 DOWN Push button State 9 Unused 2 MODE Push button State 10 Unused 3 FW...

Page 29: ...nd P402 Incorrect Modbus settings Use P403 to reset Modbus parameters Verify P410 and P411 P412 Improper wiring Check wiring between the Modbus Network and communication module Ensure that terminal bl...

Page 30: ...AC Technology Corporation 630 Douglas Street Uxbridge MA 01569 USA 1 508 278 9100 www actech com Document CMVMB401B...

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