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 11 RG-TDMOD

Drive Control & Communication

4.8  Normal Control Operation Sequence

1.  Power up drive.

2.  Set parameter C01 (Control Source Setpoint) to selection 10 or 11.

3.  Close terminal 28.

4.  Unlock control by writing a zero to Register #48.

5.  Set the network speed reference by setting bit 8 of Register #1. The drive must be in "NETWORK 

SPEED REFERENCE" (Register #1, Drive Control) in order to control speed via Register #40.

6.  Control drive operation via various commands to Register #1 (Start, Stop, Reverse direction, etc.) and 

change the speed command by writing to Register #40.

7.  If serial timeout is activated (n22 = 1, 2 or 3), keep it from timing out by assuring that repeated reads 

of drive status (Register #24, 6 registers) are performed at reasonable intervals smaller than the time 
set in parameter n23.

8.  Lock Control when drive operations are complete by writing a 2 to Register #1. (assert bit 1 of Register 

#1).

4.9  Start/Stop, Speed Control and Parameter Change Operation

The typical sequence for a Start/Stop, Speed Control or Parameter Change operation is listed herein.

1.  Power up drive.

2.  Set parameter C01 (Control Source Setpoint) to selection 10 or 11.

3.  Close terminal 28.

4.  Unlock Controls and Parameters by writing the current programming password (default 0) to Register 

#48.

5.  Control Drive Operation via various commands to Register #1 (Start, Stop, Reverse direction, etc.).

6.  Set the network speed reference by setting bit 8 of Register #1. The drive must be in "NETWORK 

SPEED REFERENCE" (Register #1, Drive Control) in order to control speed via Register #40.

7.  Control Drive Speed by writing the Speed Commands to Register #40 (Serial Speed Command).

8.  Change the programming parameters (e.g., change the acceleration rate by writing new acceleration 

rate to register #62)

9.  If serial timeout is activated (n22 = 1, 2 or 3), keep it from timing out by assuring that repeated reads 

of drive status (Register #24, 6 registers) are performed at reasonable intervals smaller than the time 
set in parameter n23.

10. Lock Controls and Parameters when drive operations are complete by writing a 2 to Register #1 (assert 

bit 1 of Register 1).

Summary of Contents for AC Tech TMD Series

Page 1: ...Tmd Series Drives Modbus Communications Reference Guide...

Page 2: ...or more information about the Modbus Protocol please refer to the Modicon Modbus Protocol Reference Guide http www Modbus org 2003 AC Technology Corporation No part of this documentation may be copied...

Page 3: ...twork Termination 4 2 3 Modbus Details 4 2 4 Universal Registers 6 3 Data Representation Internal and External 7 3 1 Register Format 7 3 2 Data Types 7 3 3 Tmd Drive Registers 7 4 Tmd Drive Setup Oper...

Page 4: ...egisters 24 27 17 5 5 5 Speed Command Source Registers 24 28 17 5 5 6 Speed Reference Status Registers 24 28 17 5 5 7 Present Fault Registers 24 29 18 5 5 8 Commanded Rotational Direction Registers 24...

Page 5: ...n installing the drive controllers in machines commissioning i e the starting of operation as directed is prohibited until it is proven that the machine complies with the regulations of the EC Directi...

Page 6: ...umentation DANGER After the controller has been disconnected from the supply voltage do not touch the live components and power connection until the capacitors have discharged Please observe the corre...

Page 7: ...COM U V W L1 L2 9 A A1 20 20 E1 E2 E3 71 62 7 72 COM COM 12 V 15 V 15 V 10 V 8U 28 7 L3 E4 A2 TXA TXB COM 8I Figure 1 Tmd Control Strip 2 2 Electrical Installation 2 2 1 Cable Type For RS485 Modbus n...

Page 8: ...ing serial communications 2 3 Modbus Details A Tmd Drives running the Modbus communication protocol use the RTU Remote Terminal Unit transmission mode and are slaves only Therefore the device communic...

Page 9: ...As with function 03 we read one register at a time except where noted 06 Preset Single Register 4X references Write single register 16 Preset Multiple Registers 4X references Although the function is...

Page 10: ...h Reg Function 1 Drive Control WRITE ONLY Not all drives will have all control functions but when the function is available it will be at a defined bit location within Register 1 Drive Family and regi...

Page 11: ...dropping the tenth using programmed conversion factors Table 3 lists examples of the internal units used on the Tmd series Table 3 Tmd Series Internal Units Type Unit Example SPEED 1Hz 60Hz 600 TIME 1...

Page 12: ...al Address The Tmd drive has a serial address parameter that must be programmed prior to attempting to operate the serial interface Set Parameter C09 Network Address to a valid address 1 247 Tip Most...

Page 13: ...he Watchdog Timer is disabled n22 1 Controller Inhibit If the drive doesn t receive valid communication for period longer than time specified in parameter n23 it will COAST to a STOP and status displa...

Page 14: ...ls and Parameters prevents writing to any register When LOCK is asserted the drive drops out of SERIAL control After receiving the WRITE message when serial control is locked the drive will return exc...

Page 15: ...Operation The typical sequence for a Start Stop Speed Control or Parameter Change operation is listed herein 1 Power up drive 2 Set parameter C01 Control Source Setpoint to selection 10 or 11 3 Close...

Page 16: ...0 2400 0 1 Hz 4a RS SA 03 02 DH DL CRCH CRCL 25 19 Actual Speed R SA 03 00 19 00 01 CRCH CRCL 0 2400 0 1 Hz 4b RS SA 03 02 DH DL CRCH CRCL 26 1A Load DH Status DL R SA 03 00 1A 00 01 CRCH CRCL Refer t...

Page 17: ...the Data High Byte and Data Low Byte format of Register 1 Drive Control Table 8 Drive Control Register 1 Data Low Byte 0 UPDATE BUFFERS 1 LOCK SECURITY 2 STOP DRIVE COAST TO STOP 3 START DRIVE 4 UNUSE...

Page 18: ...ries drives return 66 42H The MCH Series drives return 68 44H The smd Series drives return 69 45H The TC Series drives return 70 46H The Tmd Series drives return 71 47H The SMV Series drives return 72...

Page 19: ...p of words requested can be either 1 or 6 This is an exception to the rule of being able to read only one register at a time If 6 words are requested at register 24 the following will be returned Tabl...

Page 20: ...al Status Register 24 byte D3L or Register 26 DL Table 12 Operational Status Bit Parameter 0 FAULT LOCKOUT 1 FAULT 2 START PENDING 3 MOTOR CALIBRATION NOT DONE 4 STOP 5 LOWER TRANSISTORS SWITCHING ON...

Page 21: ...eypad 7 c40 Remote Keypad Remote Keypad 8 Analog Terminal Modbus 9 c40 Terminal Modbus 10 Analog Modbus Modbus 11 c40 Modbus Modbus 5 5 5 Speed Command Source Registers 24 28 Table 14 lists the Speed...

Page 22: ...FAULT OC6 27 IDENTIFICATION FAULT bF 10 OEM DATA FAULT GF 28 A D CONVERTER FAULT Ad 11 CONFIGURATION FAULT CFG 29 REMOTE KEYPAD FAULT JF 12 DYNAMIC BRAKE OVERHEATED FAULT dF 30 LOSS OF 4 20mA SIGNAL...

Page 23: ...ed refer to the full parameter protocol specification if access to programming parameters is required 5 9 Unlock Parameters Register 49 Register 49 Unlock Parameters unlocks programming parameters for...

Page 24: ...f parameters Request SA 03 00 RA 00 01 CRCH CRCL Response SA 03 02 DH DL CRCH CRCL Message structure for reading 4 word Register 114 Parameter C99 Software Version Request SA 03 00 RA 00 04 CRCH CRCL...

Page 25: ...setting 0 No action loading complete 1 Load 50Hz Lenze settings 2 Load 60Hz Lenze settings 3 Load OEM settings if present 0 CE1 CE2 CE3 CE4 53 35H 54 36H 55 37H 56 38H Configuration Digital Inputs E1...

Page 26: ...Hz C18 68 44H Chopper Frequency 0 4kHz 1 6kHz 2 8kHz 3 10kHz 2 69 45H RESERVED C21 70 46H Slip Compensation 0 400 0 0 40 0 0 0 C22 71 47H Current Limit 30 200 200 C24 72 48H Accel Boost 0 200 0 0 20 0...

Page 27: ...4 102 66H Motor Stator Resistance 0 6400 0 00 64 0 W 2 0 00 W C86 103 67H Motor Rated Power 0 9990 0 00 99 9 kW 2 C87 104 68H Motor Rated Speed 300 65000 RPM 1390 RPM C88 105 69H Motor Rated Current 0...

Page 28: ...0 8 O 1 if C01 8 11 0 125 7DH Not Used 126 7EH RESERVED c40 127 7FH Freq Setpoint Command 0 2400 0 0 240 Hz 0 0 Hz c42 128 80H Start Condition 0 Start after LOW HIGH change at 28 1 Auto Start if 28 HI...

Page 29: ...hours Read Only 143 8FH RESERVED c82 144 90H S Ramp Integral Time 0 500 0 0 50 0 sec 0 0 sec 145 91H RESERVED 146 92H RESERVED 147 93H RESERVED 148 94H RESERVED 149 95H RESERVED 150 96H RESERVED 151 9...

Page 30: ...AULT LU 9 MOTOR OVERLOAD FAULT OC6 10 OEM DATA FAULT GF 11 CONFIGURATION FAULT CFG 12 DYNAMIC BRAKE OVERHEATED FAULT dF 13 SINGLE PHASE FAULT SF 14 EXTERNAL FAULT EEr 15 CONTROL FAULT CF 16 AUTOMATIC...

Page 31: ...s to 1 3 The Modbus master needs to be set to use 9600 baud No other baud rates are supported by the TMD drive 4 The TMD series drive has the provision for a watchdog timer to monitor network communic...

Page 32: ...he drive before writing any other function 4 Setting the Drive to Network Speed reference In order for the drive to respond to speed commands written to the keypad speed register the drive must be put...

Page 33: ...operational status If this is the only data you want you can use Modbus function code 3 with a length of 1 to read register 40027 The value of that low byte of data corresponds to the following opera...

Page 34: ...AC Technology Corporation 630 Douglas Street Uxbridge MA 01569 USA Sales 800 217 9100 Service 508 278 9100 www lenze actech com RG TDMOD e3...

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