7 - Schneider Electric
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1. No malfunction amp com reg DISABLE VOLTAGE 9 No malfunction 8 com reg SHUT DOWN 8 Reaction active xxxFh 14 0 Y Y Not operable Malfunction p Malfunction 13 Pal xx00h xxx8h No malfunction No malfunction amp com reg RESET i Malf MALFUNCTION allunction Switch ON Malfunction 13 gt Disabled 12 xx40h Es No malfunction No malfunction 8 com reg amp com reg SHUT DISABLE DOWN VOLTAGE or QUICK STOP 2 7 Ready to Switch A ON Malfunction 13 gt xx21h A i No malfunction No malfunction No malfunction No malfunction amp com reg amp com reg amp power amp com reg DISABLE DISABLE x present SHUT DOWN VOLTAGE or VOLTAGE com reg SWITCH ON QUICK STOP 3 10 Switched ON xx23h Malfunction 13 gt No malfunction No malfunction 8 com reg amp com reg ENABLE DISABLE OPERATION OPERATION 13 4 5 Malfunction Operation Malfunction Quick Stop Enabled Active xx27h 11 xx07h No malfunction 8 com reg QUICK New com reg value or Speed Reference Value STOP Figure 17 DRIVECOM Standard 34 O 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 3 Controlling and Monitoring the ATV28 Drive Controller 07 00 Alternative to DRIVECOM State Ring2. ALTERNATIVE TO DRIVECOM STATE RING The drivecom state ring can be bypassed by setting the following bits in W400 CMD By setting bits 15 3 and 1 to a 1 800A Hex 32778 Decimal the drive controller runs at the frequency reference By setting bits 15 12 3 and 1 to a 1 900A Hex 36874 Decimal the drive controller stops the motor on the programmed deceleration ramp By setting bits 15 13 3 and 1 to a 1 AOOA Hex 40970 Decimal the drive controller stops the motor using the DC injection settings e By setting bits 15 14 3 and 1 to a 1 COOA Hex 49162 Decimal the drive controller fast stops using the Fast Stop settings By setting bits 15 11 3 and 1 to a 1 880A Hex 34826 Decimal the drive controller runs in the reverse direction at the frequency reference 2000 Schneider Electric All Rights Reserved 35 OA Section 3 Controlling and Monitoring the ATV28 Drive Controller Alternative to DRIVECOM State Ring Bulletin No VVDED399092US 07 00 NOTES 36 O 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 4 Parameter Descriptions 07 00 SECTION 4 PARAMETER DESCRIPTIONS 44 WARNING UNINTENDED EQUIPMENT ACTION e Writing to registers designated as reserved can cause unintended equipment operation e DO NOT write data to registers unless you completely understand the function to be performed Consult the user
3. 2000 Schneider Electric All Rights Reserved 27 TO r02m Section 3 Controlling and Monitoring the ATV28 Drive Controller Bulletin No VVDED399092US ATV28 Control Modes 07 00 NOTE Removal of local Run Forward or Run Reverse commands while the HOA switch is in the Auto position will not stop the drive controller 24 Stop T Hand Off Auto Ll1 Stop LI2 Run Forward LI3 Run Reverse Ll4 Forced Local LO Figure 15 Example 3 Wire Control Local and Remote Forced Local The ATV28 drive controller can be commanded in local and remote control modes Local Hand Control The drive is controlled by operators such as push buttons switches and a speed potentiometer that are wired to the drive controller terminal block or The drive is controlled by the digital keypad display buttons See the ATV28 User s Guide VVDED399062US for more details on how to select between the two modes of local control Remote Auto Control The drive is controlled by the MODBUS serial link The speed reference and the start stop control cannot come from separate sources Switching between local and remote control is achieved by a switch wired to a logic input on the controller terminal block as illustrated in Figures 14 page 27 and 15 The logic input must be assigned to the function Forced Local 28 2000 Schneider Electric All Rights Reserved Bulletin N
4. 2000 Schneider Electric All Rights Reserved 5 TO r02m Section 1 Hardware Setup Bulletin No VVDED399092US Installation 07 00 CABLE INSTALLATION To install the VW3A28301U communication cable consult Figure 1 and follow these steps 1 Remove the plug to access the ATV28 RJ45 connector 2 Connect the RJ45 cable connector to the ATV28 connector Plug 9 Pin Sub D Connector RJ45 Connector Figure 1 Cable Installation 6 O 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 1 Hardware Setup 07 00 Connection to the Bus CONNECTION TO THE BUS Cable Pin Out Figure 2 illustrates the pin out for using RS 485 type communication 9 Pin Sub D RJ45 Female o lt ME OT o JE Figure 2 Cable Pin Out for RS 485 Communication Wiring Practices for Connection to a Multidrop Bus When wiring ATV28 drive controllers equipped with communication options to a multidrop bus follow the wiring practices required by national and local electrical codes in addition to the following Use metallic conduit for all drive controller wiring Do not run multidrop cable and power wiring in the same conduit e Separate metallic conduit carrying power wiring from metallic conduit containing the multidrop cable by at least 3 in 8 cm e Separate non metallic conduit or cable trays used to carry power wiring from metallic conduit containing multidro
5. 19 OSF Line supply overvoltage fault 20 OPF Motor phase failure fault 21 PHF Line supply phase failure fault gt 1 s 23 SCF Motor short circuit fault phase ground 25 tnF Autotuning fault W464 DP2 Past fault number 2 Same as DP1 W462 W466 DP3 Past fault number 3 Same as DP1 W462 W468 DP4 Past fault number 4 Same as DP1 W462 W478 IOLR Image of logic I O Bit 0 Image of logic input Ll1 active at 1 active at 1 active at 1 active at 1 Bit 1 Image of logic input LI2 Bit 2 Image of logic input LI3 Bit 3 Image of logic input Ll4 Bits 4 to 7 Reserved Bit 8 Image of relay R1 active at 1 Bit 9 Image of relay R2 active at 1 Bits 10 to 15 Reserved W479 JAIR 0 001 V Image of analog input Al1 actual Value read size calibrated and scaled W480 AI2R 0 001 Image of analog input AIC AI2 Value read mA actual size calibrated and scaled W482 AOR 0 001 Image of analog output AO Write authorized if AO nO 0 to 20000 mA Read only if AO is assigned Value read W483 DF1 Register of active faults 1 Bit 0 1 Incorrect calibration constants InF no fault if bits 0 Bit 1 1 Unknown drive controller rating InF Bit 2 1 Unknown incompatible hardware InF Bit 3 1 Control card EEPROM fault EEF Bits 4 to 7 Reserved Bit 8 1 Serial link fault SLF Bits 9 to 12 Reserved Bit 13 1 Motor short circuit SCF Bits 14 and 15 Reserved W
6. Bits 9 and 10 Reserved Bit 11 0 No current limit alarm Bit 11 1 Current limit alarm Bit 12 Reserved Bit 13 0 and Bit 14 0 Drive controlled via terminals Bit 13 0 and Bit 14 1 Serial link controls drive Bit 13 1 and Bit 14 0 Remote keypad controls drive Bit 15 0 Forward rotation requested reference Bit 15 1 Reverse rotation requested reference W460 ETI2 Drive controller internal status register number 2 Bits 0 to 3 Reserved Bit 4 0 Speed reference not reached Bit 4 1 Speed reference reached Bit 5 0 Frequency threshold Ftd not reached Bit 5 1 Frequency threshold Ftd reached Bit 6 0 Current threshold Ctd not reached Bit 6 1 Current threshold Ctd reached Bits 7 to 15 Reserved W461 ETI3 Drive controller internal status register number 3 Reserved 50 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 4 Parameter Descriptions 07 00 Monitoring Parameters Table 21 Monitoring Parameters Continued Word Code Units Description Possible Values or Range W462 DP1 Past fault number 1 Current or 0 nOF No fault memorized most recent fault 1 InF Internal fault 2 EEF EEPROM memory fault 5 SLF Serial link fault link break 9 OCF Overcurrent fault 16 OHF Drive overheating fault on heatsink 17 OLF Motor overload fault 18 ODF DC bus overvoltage fault
7. 1 mm 16 AWG max and 9 pin SUB D male female adapter Tap off junction TSX SCA50 if applicable with TSX SCP C4 CM4030 cable wired in correspondence with the C3 pins See Figure 6 C5 Phoenix Contact box type PSM PTK 2760623 Phoenix Contact male connector type SUBCON 9 M SH with C6 wiring for pins 3 4 and 7 shielded 4 conductor cable 1 mm 16 AWG max TSX CSA Cables for bus sold in 328 ft 100 m 658 ft 200 m and 1640 ft 500 m lengths Signal C3 connector TSX SCA50 terminals TSX SCP CM4030 pins if applicable cable wires D A 3 4 Green white rings OV 4 not connected D B 7 sb White green rings 1 Shielding Figure 6 C3 Connector Pins 10 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 2 MODBUS Protocol 07 00 Description SECTION 2 MODBUS PROTOCOL DESCRIPTION Exchange Format The MODBUS protocol has the following exchange format e Speed 9600 or 19200 bps configured via the bdr parameter in the keypad I O menu e Parity None e Format 8 bits plus 1 start bit and 1 stop bit MODBUS Frames Figure 7 illustrates the structure of MODBUS RTU frames CRCI Figure 7 MODBUS RTU Structure The data is transmitted in binary code CRC16 is a cyclical redundancy check See page 17 for more information The end of the frame is detected by a silence of m
8. 2000 Schneider Electric All Rights Reserved 13 TO r02m Section 2 MODBUS Protocol Bulletin No VVDED399092US Principle of Communication 07 00 Exchanges The master device initiates data exchanges with a slave by supplying it with four types of data 1 The slave address 2 The function required of the slave 3 The data zone variable depending on the request 4 The exchange check The master device waits for the response from the slave device before transmitting the next message thus avoiding any conflict on the line Control and Supervision If the slave device receives an invalid message it transmits an exception response to the master device and the master device decides whether to repeat the exchange Figure 10 Exchanges Between Master and ATV28 Controller 14 O 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 2 MODBUS Protocol 07 00 Principle of Communication MODBUS Functions MODBUS functions include main functions for data exchange and additional functions for diagnostics Table 2 shows the functions that the ATV28 communication option manages The Read and Write functions are defined from the point of view of the master Table 2 MODBUS Functions Code Type of Function B Limit Description Reads words that the master can write and read in the slave 06 Write one output word
9. B N A Writes a 16 bit output word Writes words that the master can write and read in the slave 03 Read N output words 7 max 16 Write N output words B 7 max 1 Functions marked B can be broadcast The message transmitted by the master must specify slave number 0 A response message is never returned The following sections provide details of the data frames used for each of the MODBUS functions Function 03 Read N Output Words RTU Format Query No of 1st word No of words Slave No 03 CRC16 Hi Lo Hi Lo 1 byte 1 byte 2 bytes 2 bytes 2 bytes Response Slave No of Value of 1st word Value of last word No 03 bytes Hi L Hi L CRC16 i read i A i o 1 byte 1 byte 1 byte 2 bytes 2 bytes 2 bytes For example to read words W450 W456 of slave 2 supervision parameters send the following data frame 02 03 01C2 000A CRC16 The response to this query is 02 03 14 XXXX na eee XXXX CRC16 Value of Value of W450 W456 2000 Schneider Electric All Rights Reserved 15 TO r02m Section 2 MODBUS Protocol Bulletin No VVDED399092US Principle of Communication 07 00 Function 06 Write an Output Word RTU Format NOTE The response is always the same as the query echo Query Word no Word values Slave No 06 CRC16 F P P P 1 byte 1 byte 2 bytes 2 bytes 2 bytes Response Word no Word values
10. Slave No 06 CRC16 PF P PF P 1 byte 1 byte 2 bytes 2 bytes 2 bytes Function 16 Write N Output Words RTU Format Query No of 1st word Value of 1st word Slave 10 w No of No of a we CRC16 No Hi Lo words bytes Hi Lo ae 1 byte 1 byte 2 bytes 2bytes 1 byte 2 bytes 2 bytes Response No of 1st word No of words Slave No 10 CRC16 Hi Lo Hi Lo 1 byte 1 byte 2 bytes 2 bytes 2 bytes For example to write values 15 and 400 in words W400 and W401 of slave 2 you would send the following data frame 02 10 0190 0002 04 000F 0190 CRC16 The response to this message would be 02 10 0190 0002 CRC16 16 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 2 MODBUS Protocol 07 00 Principle of Communication Exception Responses RTU Format A slave returns an exception response when it is unable to perform the request addressed to it The format of an exception response is as follows Slave No Response Code Error Code CRC16 1 byte 1 byte 1 byte 2 bytes Response code Function code of the request H 80 the most significant bit is set to 1 1 The slave does not recognize the function requested 2 The bit and word numbers addresses indicated in the request do not exist in the slave Error Code 3 The bit and word values indicated in the request are not accessible in the slave 4 The slave has started to
11. thermal alarm 49 thermal state 48 drivecom control parameter 46 parameters 52 53 standard 25 32 state ring bypass 35 status register 49 drn 43 E EEF 48 51 EEPROM memory fault 48 51 53 emergency stop 38 ERRD 53 error code 53 ETA 25 33 49 ETAD 53 ETI 50 ETI2 50 ETI3 50 F factory settings 47 fast stop 31 41 42 46 49 fault autotune 48 51 clear 25 41 42 control card EEPROM 51 power supply 51 DC bus overvoltage 48 51 53 drive overheating 48 51 53 EEPROM memory 48 51 53 internal 48 51 53 last 48 line supply overvoltage 48 51 53 phase failure 48 51 53 undervoltage 51 53 motor overload 48 51 53 phase failure 48 51 53 short circuit 48 51 overcurrent 48 51 53 past 51 serial link 48 51 53 FbS 44 fieldbus 31 FLG 43 FLO 41 42 FLr 43 FOr 44 For 41 forced local 28 29 41 42 49 forward 41 49 50 freewheel stop 31 41 42 49 freguency jog 43 loop gain 43 maximum 40 motor 40 42 output 48 reference 42 46 48 49 skip 44 switching 40 threshold 42 44 50 FrH 48 FRHD 53 FrS 40 FrT 41 Frt 41 FSt 41 42 FtA 42 Ftd 44 H hand off auto control 26 switch 27 high speed 43 53 HSP 43 44 46 ICC 41 IdC 44 InF 48 51 injection current 44 stop 41 42 time 44 installation cable 6 internal fault 48 51 53 INV 43 44 52 IOLR 51 IPL 43 IR compensation 43 ItH 43 56 2000 Schneider Electric All R
12. 100 nominal thermal state 118 OLF threshold W456 tHd 1 Drive controller thermal state Value read 100 nominal thermal state 118 OHF threshold W457 LFt Last fault 0 nOF No fault memorized 1 InF Internal fault 2 EEF EEPROM memory fault 5 SLF Serial link fault link break 9 OCF Overcurrent fault 16 OHF Drive overheating fault on heatsink 17 OLF Motor overload fault 18 ObF DC bus overvoltage fault 19 OSF Line supply overvoltage fault 20 OPF Motor phase failure fault 21 PHF Line supply phase failure fault 23 SCF Motor short circuit fault phase earth 25 tnF Autotuning fault 48 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 4 Parameter Descriptions 07 00 Monitoring Parameters Table 21 Monitoring Parameters Continued Word Code Units Description Possible Values or Range W458 ETA DRIVECOM drive controller Bit 0 0 AC line power present Drive controller not status register ready Bit 0 1 AC line power present Drive controller ready Bit 1 0 Drive not ready Bit 1 1 Drive ready rdY Bit 2 0 DRIVECOM stop Bit 2 1 DRIVECOM run Bit 3 0 Fault absent Bit 3 1 Fault present FAI Bit 4 0 AC line power present Bit 4 1 AC line power absent Bit 5 0 Fast stop in progress Bit 5 1 Fast stop absent Bit 6 0 Controller stop Catch
13. SMAL 53 SMIH 53 SMIL 53 58 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US 07 00 ALTIVARO 28 RS485 Connection Kit User s Guide Index SP2 43 SP3 43 SP4 44 SP5 44 SP6 44 SP7 44 SPAH 53 SPAL 53 SPAT 53 SPd 48 SPDH 53 SPDL 53 SPDT 53 speed display scale factor 40 high 43 53 low 43 53 motor 48 53 preset 41 42 reference 50 53 SrA 42 stop controlled 43 controller 49 DC injection 31 41 42 46 fast 31 41 42 46 49 freewheel 31 41 42 49 via keypad 31 49 via logic input 31 StP 43 summing reference 42 switching frequency 40 T tCC 40 43 tdC 44 tFr 40 43 tHd 48 thermal alarm drive 49 motor 49 overload 50 state drive 48 motor 48 threshold 42 44 tHr 48 TIM 52 tLS 44 tnF 48 51 torque motor 42 52 tSA 42 ttd 44 tUn 40 voltage line 48 motor 40 rating 52 W wiring 7 X XMIT function block 21 23 U UFr 43 UFt 41 ULn 48 undervoltage line supply 51 53 UnS 40 USF 47 V V Hz ratio 41 VCAL 52 2000 Schneider Electric All Rights Reserved 59 TO r02m ALTIVARO 28 RS485 Connection Kit User s Guide Index Bulletin No VVDED399092US 07 00 60 O 2000 Schneider Electric All Rights Reserved
14. a PLC Figure 5 shows an example of a simplified connection of several ATV28 drive controllers to a PC See Table 1 on page 10 for information on the connection accessories used in the examples ATV28 Controller ATV28 Controller Ta 50 TSX 3721 001 101 VW3A28301U il TSX SCP114 TSX SCP CM4030 C4 Note Physical layer accepting eight drive controllers Figure 4 Example of a Simplified Connection to a PLC ATV28 Controller ATV28 Controller ATV28 Controller VW3 A8106 Note Physical layer accepting eight drive controllers Figure 5 Example of a Simplified Connection of Several ATV28 Drive Controllers to a PC O 2000 Schneider Electric All Rights Reserved TO r02m Section 1 Hardware Setup Bulletin No VVDED399092US Connection to the Bus 07 00 Table 1 Connection Accessories for a Network Using RS 485 Electrical Interface Accessory Description 9 pin male connector Phoenix Contact SUBCON 9 M SH 2761509 with cabling of pins 3 4 6 and 7 4 conductor shielded cables 1 mm 16 AWG max and 9 pin SUB D male female adapter as shown below C1 9 pin female connector Phoenix Contact SUBCON 9 F SH C2 2761499 with cabling of pins 3 4 6 and 7 4 conductor shielded cables 1 mm 16 AWG max Phoenix Contact SUBCON PLUS M2 2761839 connector with C3 cabling of pins 3 4 6 and 7 4 conductor shielded cables
15. a spinning load possible Bit 6 1 Freewheel stop Catch a spinning load not possible Bit 7 0 Motor or drive thermal alarm absent Bit 7 1 Motor or drive thermal alarm present Bit 8 Reserved Bit 9 0 Forced local in progress FLO Bit 9 1 Forced local absent Bit 10 0 Reference not reached transient state Bit 10 1 Reference reached steady state Bit 11 0 Last commanded speed reference normal Bit 11 1 Last commanded speed reference exceeded either greater than HSP or less than LSP Bits 12 and 13 Reserved Bit 14 0 No stop by STOP key remote keypad Bit 14 1 Stop by STOP key remote keypad Bit 15 0 Forward rotation output frequency Bit 15 1 Reverse rotation output frequency O 2000 Schneider Electric All Rights Reserved 49 TO r02m Section 4 Parameter Descriptions Monitoring Parameters Bulletin No VVDED399092US 07 00 Table 21 Word W459 Code ETI Units Description Drive controller internal status register number 1 Monitoring Parameters Continued Possible Values or Range Bits 0 to 3 Reserved Bit 4 0 Motor stopped Bit 4 1 Motor running Bit 5 0 No DC injection Bit 5 1 DC injection Bit 6 0 Drive controller in steady state Bit 6 1 Drive controller in transient state Bit 7 0 No thermal overload alarm Bit 7 1 Thermal overload alarm Bit 8 0 No alarm if excessive braking Bit 8 1 Alarm if excessive braking
16. communication link has initialized and assumed control of the drive controller This results in unintended equipment operation It is therefore required that all local hand run and start commands to the drive controller be removed when the system is in the remote auto mode While it is possible to stop the drive controller in remote auto mode by activating one of the local stop commands such as the keypad display stop button commands sent over the MODBUS link can restart the drive controller if the drive controller is not in a forced local condition See the discussion of forced local on 28 It is therefore necessary to put the drive controller into the forced local mode when the control switch is in the hand or off position A WARNING LOSS OF CONTROL The user must provide a Hand Off Auto switch with the following functionality In Hand mode forced local must be enabled n Off mode all run terminal inputs must be disabled via open circuit and forced local must be enabled In Auto mode the run terminal inputs must be disabled via open circuit and forced local must be disabled Failure to follow these instructions can result in death or serious injury See Figures 14 and 15 for assistance in designing Hand Off Auto control 24 Hand Off Auto User eLl1 Run Forward Control Scheme eLl2 Run Reverse eL13 Forced Local LERE TE Figure 14 Example 2 Wire Control
17. current 0 5 x INV to 1 15 x INV where INV is the nominal current of the drive controller W259 SLP 0 1 Hz Slip compensation 0 to 50 W260 AC2 0 1s Acceleration 2 the time between 0 Ramp 0 05 s special case 0 and 50 60 Hz 1 to 36000 Ramp 0 1 to 3600 s W261 dE2 0 1s Deceleration 2 the time between 0 Ramp 0 05 s special case 50 60 and 0 Hz 1 to 36000 Ramp 0 1 to 3600 s W262 JOG 0 1 Hz Jog frequency jog operation 0 to 100 W264 SP2 0 1 Hz Preset speed 2 LSP to HSP W265 SP3 0 1 Hz Preset speed 3 LSP to HSP 2000 Schneider Electric All Rights Reserved 43 OA Section 4 Parameter Descriptions Configuration Parameters Bulletin No VVDED399092US 07 00 Table 18 Adjustment Parameters Continued Word Code Units Description Possible Values or Range W266 SP4 0 1 Hz Preset speed 4 LSP to HSP W267 SP5 0 1 Hz Preset speed 5 LSP to HSP W268 SP6 0 1 Hz Preset speed 6 LSP to HSP W269 SP7 0 1 Hz Preset speed 7 LSP to HSP W270 ldC 01A Injection current 0 1 ItH to INV where INV is the nominal current of the drive controller W271 tdC 0 1s Injection time when automatic 0 to 254 time 0 0 s to 25 4 s injection on stopping enabled 255 CONT continuous injection W272 iLS 0 1s Maximum time at low speed 0 NO no limit LSP 1 to 255 time 0 1 s to 25 5 s W279 rPG 0 01 PI proportional gain 1 to 10000 ga
18. instruction bulletin for additional details e Bit 0 is the right most least significant bit Bit 15 is the left most most significant bit Failure to follow these instructions can result in death serious injury or eguipment damage Table 13 shows register mapping as viewed in MODICON programming software MODSOFT or CONCEPT reference data Table 13 ATV28 and MODICON PLC Register Mapping ATV28 Drive Controller F E D C B A 9 8 7 6 5 4 3 2 1 0 QUANTUM PLC TT 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NOTE All registers are integers All decimal places in units are implied 1 For MOMENTUM PLCs consult the MODICON MOMENTUM user s manual 2000 Schneider Electric All Rights Reserved 37 TO r02m Section 4 Parameter Descriptions Bulletin No VVDED399092US Accessing Parameters An Overview 07 00 ACCESSING PARAMETERS AN OVERVIEW The RS 485 link identifies ALTIVAR 28 drive controllers as a series of holding registers The tables in this section describe ATV28 registers and their corresponding RS 485 link addresses words The registers are grouped by function and are in numerical order 44 WARNING LOSS OF CONTROL The designer of any control scheme must consider the potential failure modes of control paths and for certain critical control functions provide a means to achieve a safe state during and after a path failure Examples of critical control functions are Emerg
19. milliseconds 4x 12 Retry Limit 0 65535 milliseconds 4x 13 Start of Transmission Delay 0 65535 milliseconds 4x 14 End of Transmission Delay 0 65535 milliseconds 4x 15 Current Retry Read only The MSTR and XMIT functions have the ability to violate the MODBUS Master Slave architecture as does a custom written MODBUS driver A communication request must not be issued before the previous request has been completed Otherwise the communication requests can cause the drive controller s memory to overflow resulting in a communication fault 2000 Schneider Electric All Rights Reserved 23 TO r02m Section 2 MODBUS Protocol XMIT Function Block Bulletin No VVDED399092US 07 00 NOTES 24 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 3 Controlling and Monitoring the ATV28 Drive Controller 07 00 DRIVECOM Standard Adapted to the ATV28 Controller SECTION 3 CONTROLLING AND MONITORING THE ATV28 DRIVE CONTROLLER DRIVECOM STANDARD ADAPTED TO THE ATV28 DRIVE CONTROLLER The ATV28 control process using the serial link conforms to the DRIVECOM standard state chart Figure 16 illustrates the DRIVECOM standard adapted to the characteristics of the ATV28 drive controller to facilitate programming Each state represents an aspect of the internal behavior of the drive controller The drive controller status can be modified by sending control word CMD word W400 a hexadecimal v
20. 2 bit 1 bit0 diagram see Figure 16 on page the control register Figure 17 on page 34 30 or Figure 17 on page 34 initial default state Switch ON disabled g 0 1 1 aaron Shut Down X X 1 1 0 2 6 8 0006h Switch ON X X 1 1 1 3 0007h Disable Voltage X X X 0 X 7 9 10 12 0000h Quick Stop X X 0 1 X 11 000Bh Disable Operation X 0 1 1 1 5 0007h Enable Operation X 1 1 1 1 4 000Fh Reset Malfunction 0 gt 1 X X X X 15 0080h X State is not significant 0 1 Rising edge switch from 0 to 1 32 O 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US 07 00 Section 3 Controlling and Monitoring the ATV28 Drive Controller Summary of DRIVECOM Standard Table 10 Status Register ETA Bit Definition l bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 Ready to Switched Operation Voltage Switch ON switch ON ON enabled Malfunction gisable Gilles Stop aicabled Warning not ready drive A drive controller no fast stop in ready for stop run power on off controller Alarm not ready malfunction progress start up locked ready bit 8 bit 9 bit 10 bit 11 bit 12 bit 13 bit 14 bit 15 Reference E specific to specific to Message Remote add Limit value reserved reserved mentar lens local reference min or max stop via STOP direction di reserved reserved reserved rotation remote reached value reached key forward reverse 1 Grey boxes corr
21. 484 DF2 Register of active faults 2 Bits O to 2 Reserved no fault if bits 0 Bit 3 1 Overcurrent fault OCF Bits 4 to 6 Reserved Bit 7 1 Drive controller overheating fault OHF Bit 8 1 Motor overload fault OLF Bit 9 Reserved Bit 10 1 DC bus overvoltage fault ObF Bit 11 1 Line supply overvoltage fault OSF Bit 12 1 Motor phase failure fault OPF Bit 13 1 Line supply phase failure fault PHF Bit 14 1 Line supply undervoltage fault USF Bit 15 1 Control card power supply fault InF 2000 Schneider Electric All Rights Reserved 51 TO r02m Section 4 Parameter Descriptions Special Drivecom Parameters Bulletin No VVDED399092US 07 00 Table 21 Monitoring Parameters Continued Word Code Units Description Possible Values or Range W487 OLO 1 Motor torque Value read 100 nominal motor torque W491 OPr 1 Output power Value read 100 nominal motor power w530 TIM 1H Cumulative operating time in Value read hours W551 CPU Firmware version of drive Bits 0 to 7 hexadecimal upgrade index controller Bits 8 to 15 firmware version in hexadecimal format W552 NCV Drive controller power rating 4 U09 5 U18 6 U29 7 U4i 8 U54 10 U72 11 U90 12 D12 13 D16 14 D23 W553 VCAL Drive controller voltage rating 1 Single phase 200 240 V 2 Three phase 380 500 V 3 Three phase 200 230 V w555 INV 0 1 A Driv
22. AND WRITE 45 MONITORING PARAMETERS 48 SPECIAL DRIVECOM PARAMETERS READ AND WRITE 52 4 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 1 Hardware Setup 07 00 Introduction SECTION 1 HARDWARE SETUP INTRODUCTION The VW3A28301U communication Kit is used to connect an ALTIVAR 28 ATV28 drive controller to a MODBUS network The communication kit includes a 10 ft 3 m connection cable equipped with two connectors e A 9 pin Sub D female connector for connection to the bus and An RJ45 connector for connection to the ATV28 drive controller The ATV28 drive controller can receive and respond to data messages This data exchange enables a network to access ATV28 functions such as Remote loading of configuration and adjustment parameters Command and control e Monitoring e Diagnostics REVISION LEVEL This is the first release of this manual The information contained in it is based on ATV28 firmware version V1 0 or greater ADDITIONAL DOCUMENTATION For more information about ALTIVAR 28 drive controller functions and operation please refer to the Installation Guide supplied with your controller and user manual VVDED399062US INSPECTION After receiving the VW3A28301U communication kit ensure that the part number printed on the label is the same as that on the packing slip
23. CC refer to the index at the end of this manual Table 14 Index of Parameters by Address Range Address Description Start Page W2toW65 General configuration parameters 40 W100 to W112 VO configuration parameters 41 W150 to W190 Fault configuration parameters 43 W250 to W340 Adjustment parameters 43 W400 to W440 Control parameters 45 W450 to W555 Monitoring parameters 48 W600 to W615 Special DRIVECOM parameters 52 2000 Schneider Electric All Rights Reserved 39 TO r02m Section 4 Parameter Descriptions Configuration Parameters Bulletin No VVDED399092US 07 00 CONFIGURATION PARAMETERS READ AND WRITE General Configuration Parameters These parameters can only be adjusted with the motor stopped except Sds and SFr which can be adjusted with the motor running Table 15 General Configuration Parameters Word Code Units Description Possible Values or Range w2 COd Access Code 0 to 9999 Wa CrL 0 1 mA Minimum reference of input Al2 O to 200 W5 CrH 0 1 mA Maximum reference of input Al2 40 to 200 W6 tCC 2 wire 3 wire control via 0 2C 2 wire control terminals Modification of this 1 3C 3 wire control parameter reassigns the VO 2 OPt local control option is present so writing is impossible W10 Add Address of the drive controller via 1 to 31 the standard serial link W16 bdr Serial link transmission
24. CON PLC Register Mapping ATV28 Drive Controller F E D C B A 9 8 7 6 5 4 3 2 1 0 QUANTUM PLC TT 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1 For MOMENTUM PLCs consult the MODICON MOMENTUM user s manual 2000 Schneider Electric All Rights Reserved 45 TO r02m Section 4 Parameter Descriptions Control Parameters Bulletin No VVDED399092US 07 00 Table 20 Word W400 Code CMD Units Control Parameters Description DRIVECOM control parameter Parameter is reinitialized at the end of time out unless bit 14 of CMI W402 is set to 1 Possible Values or Range Bit 0 0 and Bit 15 0 Not ready Bit 1 1 and Bit 15 0 Ready Bit 1 0 Return to Switch ON disabled status Bit 1 1 No action Bit 2 0 and Bit 15 0 Fast stop Bit 2 1 No action Bit 3 0 and Bit 15 0 DRIVECOM stop command Bit 3 1 and Bit 15 0 DRIVECOM run command Bits 4 to 6 Reserved Bit 7 0 No action Bit 7 1 Reset faults Bit 8 0 and Bit 15 1 Activate control via serial link Bit 8 1 and Bit 15 1 Deactivate control via serial link Bits 9 and 10 Reserved Bit 11 0 Normal direction command Bit 11 1 Reverse direction command Bit 12 0 Motor run command RUN Bit 12 1 Motor stop command Bit 13 0 No action Bit 13 1 Stop by DC injection command Bit 14 0 No action Bit 14 1 Fast stop command Bit 15 0 DRIVECOM standard control Bit 15 1 ATV28
25. D399092US TO r02m New com reg STOP 34 Figure 16 DRIVECOM as Implemented on the ATV28 Drive Controller ATV28 Control Modes 07 00 Malfunction m Reaction active xxxFh 14 0 Y Not operable Malfunction 13 Ji Malfunction xx00h xxx8h No malfunction No malfunction 8 com reg RESET i MALFUNCTION Malfunction 1 15 Switch ON Malfunction 13 a Disabled 12 xx40h No malfunction No malfunction amp com reg amp com reg SHUT DISABLE DOWN VOLTAGE or No malfunction 2 QUICK STOP amp com reg 7 DISABLE Ready to Switch VOLTAGE EEU ON Malfunction 13 a 9 xx21h A No malfunction No malfunction No malfunction No malfunction amp com reg amp com reg amp power amp com reg DISABLE DISABLE present SHUT DOWN VOLTAGE or VOLTAGE com reg SWITCH ON QUICK STOP No malfunction 3 6 10 amp com reg SHUT DOWN Switched ON 5 xx23h Malfunction No malfunction No malfunction amp com reg amp com reg ENABLE DISABLE OPERATION OPERATION 13 4 5 Malfunction Operation Malfunction Quick Stop Enabled Active xx27h 11__ NOTE Italics indicate tra ames No malfunctierd numbers fromlth 8 com reg 4Klflard shown in Figure kae on page 30 2000 Schneider Electric All Rights R
26. Data Read Global Database 6 Read Data Get Remote Statistics Get Local Statistics Write Global Database 7 Clear Remote Statistics 8 Peer Cop Status 9 MSTR Block Structure Inputs MSTR has two control points see Figure 11 on page 19 Top node input enables the instruction when it is ON Middle node input terminates the active operation when it is ON Outputs MSTR can produce three possible outputs see Figure 11 Top node output echoes the state of the top input goes ON while the instruction is active Middle node output echoes the state of the middle input and goes ON if the MSTR operation is terminated prior to completion Bottom node output goes ON when an MSTR operation is completed successfully 18 O 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 2 MODBUS Protocol 07 00 MSTR Block Enables selected Control Oneistionactye MSTR operation Block P Terminates active Data Operation terminated MSTR operation Area unsuccessfully MSTR Length Operation successful Figure 11 MSTR Block Structure Top Node Content The 4x register entered in the top node is the first of nine contiguous holding registers that comprise the control block see Table 4 Table 4 Control Block Holding Registers Register Content Displayed Identifies one of the nine MSTR operations 1st implied Displays error status 2nd implied Disp
27. INCIPLE OF COMMUNICATION 12 Master Slave Relationship 13 Accessible Data i cui EE se ia 13 EXCNANGES ou EER vei eet abies ge eee y A DR ees 14 Control and Supervision 14 MODBUS Functions 15 Function 03 Read N Output Words RTU Format 15 Function 06 Write an Output Word RTU Format 16 Function 16 Write N Output Words RTU Format 16 Exception Responses RTU Format 17 CRC16 Calculation RTU Format 17 MSTR BLOCK 3 EE RE EE OE ta be Pact 18 Overview of MSTR Block 18 MSTR Block Structure 18 INPUTS uscar AR de ret OE ON EE EA hee NEA EDNA 18 OUUTE a AA OR RA A OE caidas 18 TOp N de Content e nud A aed oe 19 Middle Node Content 19 Bottom Node Content 20 Read and Write MSTR Operations 20 XMIT FUNCTION BLOCK I Y FFY I I IF RF FFF FFF RF FF Y ek 21 2000 Schneider Electric All Rights Reserved 3 TO r02m ATV28 RS485 Connection Kit User s Guide Bulletin No VVDED399092US Conte
28. No action While execution is in process the Bit 4 1 Ramp switching command display of the drive indicates INIT for bits O and 2 Bits 5 to 12 Reserved NENO for bit 1 Bit 13 0 Drive controller not locked at stop If several of these bits are active Bit 13 1 Drive controller locked at stop simultaneously bit O has priority over bits 1 and 2 while bit 1 has Bit 14 NTO 0 Detection of communication loss priority over bit 2 Bit 14 NTO 1 No detection of communication loss do not use this value until you have read the Warning on page 26 of this manual Bit 15 Reserved W440 rPl 0 1 PI regulator internal setpoint 0 to 1 000 if AIC AI2 W107 PII 2000 Schneider Electric All Rights Reserved 47 TO r02m Section 4 Parameter Descriptions Bulletin No VVDED399092US Monitoring Parameters 07 00 MONITORING PARAMETERS These parameters are read only except for outputs if they are not assigned Table 21 Monitoring Parameters Word Code Units Description Possible Values or Range W450 FrH 0 1 Hz Frequency reference Value read absolute value W451 rFr 0 1 Hz Output frequency applied to the Value read motor absolute value W452 SPd RPM Motor speed estimated by drive Value read controller absolute value W453 LCr 0 1A Current in motor Value read W454 ULn 0 1V Line voltage from bus Value read W455 tHr 1 Motor thermal state Value read
29. OLO Motor torque OPr Motor rating 42 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 4 Parameter Descriptions 07 00 Configuration Parameters Fault Configuration Parameters These parameters can be adjusted with the motor stopped or running Table 17 Fault Configuration Parameters Word Code Units Description Possible Values or Range W150 Atr Automatic restart 0 nO 1 YES 2 On USF fault if tCC 20 W151 OPL Motor phase loss 0 nO 1 YES W152 IPL Line supply phase loss 0 nO 1 YES W155 FLr Catch a spinning load 0 nO 1 YES W156 StP Controlled stop when line supply 0 nO is lost 1 YES W190 drn Downgrade operation if line 0 nO supply drops below 40 1 YES Adjustment Parameters These parameters can be adjusted with the motor stopped or running Table 18 Adjustment Parameters Word Code Units Description Possible Values or Range W250 HSP 0 1 Hz High speed LSP to tFr W251 LSP 0 1 Hz Low speed 0 to HSP W252 ACC 0 1s Acceleration the time between 0 0 Ramp 0 05 s special case and 50 60 Hz 1 to 36000 Ramp 0 1 to 3600 s W253 dEC 0 1s Deceleration the time between 0 Ramp 0 05 s special case 50 60 and 0 Hz 1 to 36000 Ramp 0 1 to 3600 s W254 UFr 1 IR compensation 0 to 100 W255 FLG 1 Frequency loop gain 0 to 100 W258 ltH 0 1 A Thermal protection
30. Schneider Electric Reservados todos los derechos Schneider Canada Inc 19 Waterman Avenue M4B 1 Y2 Toronto Ontario 1 800 565 6699 www schneider electric ca Lentretien du mat riel lectrique ne doit tre effectu que par du personnel qualifi Schneider S A n assume aucune responsabilit des cons quences ventuelles d coulant de l utilisation de ce mat riel VVDED399092US 07 00 2000 Schneider Electric Tous droits r serv s ALTIVAR 28 Adjustable Speed Drive Controllers RS 485 Connection Kit VW3A28301U User s Guide Variadores de velocidad ajustable ALTIVAR 28 Accesorio de conexi n al RS 485 VW3A28301U Manual del usuario E S P A N 0 L Variateurs de vitesse ALTIVAR 28 Kit de connexion RS 485 VW3A28301U Guide de Vutilisateur O 2000 Schneider Electric All Rights Reserved 1 OA A DANGER HAZARDOUS VOLTAGE Read and understand this bulletin in its entirety before installing or operating ALTIVAR 28 drive controllers Installation adjustment repair and maintenance of the drive controllers must be performed by qualified personnel DO NOT short across DC bus capacitors or touch unshielded components or terminal strip screw connections with voltage present Install and close all covers before applying power or starting the drive controller The user is responsible for conforming to all applicable code requirements with respect to grounding all equipment M
31. VVDED399092US Instruction Bolet n de Directives 07 00 Bulletin instrucciones d utilisation Raleigh NC USA 4 ALTIVAR 28 Adjustable Speed Drive Controllers RS 485 Connection Kit VW3A28301U User s Guide Variadores de velocidad ajustable Accesorio de conexi n al RS 485 VW3A28301U Manual del usuario Variateurs de vitesse Kit de connexion RS 485 VW3A28301U Guide de Vutilisateur Retain for future use Conservar para uso futuro conserver pour usage ult rieur 8 relemecanique DI SQUARE D 52012 012 01 5201201201 Square D Company 8001 Hwy 64 East Knightdale NC 27545 USA 1 888 SquareD 1 888 778 2733 www squared com Electrical equipment should be serviced only by qualified electrical maintenance personnel No responsibility is assumed by Square D for any consequences arising out of the use of this material VVDED399092US 07 00 O 2000 Schneider Electric All Rights Reserved Importado en M xico por Schneider Electric M xico S A de C V Calz J Rojo G mez 1121 A Col Gpe del Moral 09300 M xico D F Tel 5804 5000 www schneider electric com mx Solamente el personal de mantenimiento el ctrico especializado deber prestar servicios de mantenimiento al equipo el ctrico Schneider S A no asume responsabilidad alguna por las consecuencias emergentes de la utilizaci n de este material VVDED399092US 07 00 O 2000
32. alue or by the occurrence of an event such as a drive controller lock after a fault The drive controller status is indicated by the value of the status register ETA When a fault occurs ETA word 458 is set to xxx8h To clear the fault set CMD word 400 to a value of 80h The drive controller is now on and locked with ETA set to a value of xx40h To enter Standby Status write 0006h to CMD ETA now has a value of xx21h Next enter the Ready state by writing 0007h to CMD ETA now has a value of xx23h At this point the motor can be commanded to rotate forward by writing OOOFh to CMD or reverse by writing O80Fh to CMD 2000 Schneider Electric All Rights Reserved 25 TO r02m Section 3 Controlling and Monitoring the ATV28 Drive Controller Bulletin No VVDED399092US ATV28 Control Modes 07 00 Communication Fault Detection 44 WARNING LOSS OF CONTROL Provide some method of controlling the drive controller until communication is established Provide alternate control paths Start Stop and Speed When disabling communication loss detection When motor control is required while a communication fault exists Failure to follow these instructions can result in death serious injury or equipment damage Setting CMI word W402 bit 14 to 1 disables communication loss detection As a result loss of communication does not cause the drive controller to gene
33. any parts in this drive controller including printed wiring boards operate at line voltage DO NOT TOUCH Use only electrically insulated tools Before servicing the drive controller e Disconnect all power Place a DO NOT TURN ON label on the drive controller disconnect Lock disconnect in the open position Electrical shock will result in death or serious injury O 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US ATV28 RS485 Connection Kit User s Guide 07 00 Contents SECTION 1 HARDWARE SETUP se ese se seke ese ke ke kak ae se sek ek ee 5 INTRODUCTION ig a DEER ER RE RE ae GER REG A pe dre Gee 5 REVISION LEVEL soeke od aTe eres Oe DE ate BOSE RR de 5 ADDITIONAL DOCUMENTATION ee es eee Se FFF FR Y yd 5 INSPECTION feise Ee SEED REEDS EED DEE SR ES EER BED EE DE EEN RE OE tes Mb RI e 5 CABLE INSTALLATION ee a eee eid RD YF Dd Re ER GEE a 6 CONNECTION TO THE BUS 7 Cable Pila it Atop iste Ee GLGC D ee a 7 Wiring Practices for Connection to a Multidrop Bus 7 Connection Examples nia a dia EE O ie ees She ER pila WERE 9 SECTION 2 MODBUS PROTOCOL 11 DESCRIPTION s 3 35 vrese Eg A le AA FY RR di RE 11 Exchange Format erderen per ode A ee ee dedd A SR RA te 11 MODBUS Frames eiu A ge Ee RE eee gr sae Fy 11 A V28 AddreSSo iie i ohn Ane A de RR Rd A 11 PR
34. d Data enabled Remember that some ports are only RS 422 and require an RS 422 to RS 485 converter Pen Nall E Eat Yew Serch Daa Coton Cathpawin iy Todt H HET WOME Ti Figure 12 XMIT Function Block 2000 Schneider Electric All Rights Reserved 21 TO r02m Section 2 MODBUS Protocol Bulletin No VVDED399092US XMIT Function Block 07 00 The XMIT instruction block shown in Figure 13 lets you transmit data directly out of the PLC You can set the parity stop bits and pulse or tone dialing among other values just like a modem Start XMIT EN ss Operation is active operation Abort XMIT Operation terminated operation unsuccessfully Operation successful Figure 13 XMIT Instruction Block 0001 The top node must contain the constant 0001 4xxxx The 4x register in the middle node addresses the first in a group of 16 contiguous registers that comprise the control block 0016 The bottom node must contain the constant 0016 This is the number of registers in the control block pointed to by the middle node Start XMIT operation Begins an XMIT operation Your logic should keep this on until the operation completes successfully or an error occurs Abort XMIT operation Aborts an active XMIT operation forcing the port to slave mode The abort code 121 is placed in the fault status register The port remains closed as long as this input is on Operation is active Passes power while an XMIT ope
35. drive control W401 LFR 0 1 Hz Frequency reference in line mode signed in two s complement Parameter is reinitialized at the end of time out unless bit 14 of CMI W402 is set to 1 LSP to HSP 46 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 4 Parameter Descriptions 07 00 Control Parameters Table 20 Control Parameters Continued Word Code Units Description Possible Values or Range W402 CMI Internal control register Bit 0 0 No action application program Parameter Bit O 1 Return to factory settings this bit auto is reinitialized at the end of time matically resets to 0 after accepting the request out unless bit 14 is setto 1 Bit 1 0 No action Note that each action of bits 0 1 Bit 1 1 Save configuration adjustments that were and 2 is only accepted if the motor the objects of a write request in EEPROM This bit is stopped and the drive controller automatically resets to O after accepting the request powered up without a USF fault Bit 2 0 No action When accepted W402 interrupts Bit 2 1 Return to values memorized in EEPROM communication while it executes cancel write operations This bit automatically for a duration of no more than 2 resets to 0 after accepting the request seconds The PLC time out must therefore be set to a higher value Bit 3 Reserved to avoid tripping during execution Bit 4 0
36. e controller nominal current Value read SPECIAL DRIVECOM PARAMETERS READ AND WRITE Table 22 describes the special DRIVECOM parameters W600 to W615 Note that the use of parameters W603 to W615 necessitates a special configuration of parameter SdS W41 which is found in drive parameter menu drC This parameter enables the drive controller to establish the relationship between the frequency in Hz and the speed in revolutions minute The value of parameter SdS is 60 p where p is the number of pairs of poles in the motor For example if motor rpm is 1750 at 60 Hz and the motor has four poles SdS 30 60 divided by 2 pole pairs 52 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 4 Parameter Descriptions 07 00 Special Drivecom Parameters Table 22 Special DRIVECOM Parameters Word Code Units Description Possible Values or Range W600 ERRD Error code 603FH 0 nOF No fault write protected 1000H OLF Motor overload fault 2310H OCF Overcurrent fault 3110H OSF Line supply overvoltage fault 3120H USF Line supply undervoltage fault 3130H PHF Line supply phase failure fault 3310H ODF or OPF DC bus overvoltage fault or motor phase failure fault 4210H OHF drive controller overheating fault 5520H EEF EEPROM memory fault 6100H InF Internal fault 7510H SLF Serial link fault W601 CMDD Control word same as parame
37. eleration 43 53 access code 40 Add 40 address drive 11 40 registers 38 AN image of 51 AIR 51 Al2 42 max reference 40 min reference 40 Al2R 51 AIC AI2 image of 51 analog inputs 51 analog output assigning 42 configuration 40 image of 51 AOR 51 AOt 40 Atr 43 automatic restart 43 autotune 40 fault 48 51 bdr 40 bFr 40 brA 41 braking excessive 50 bus connection to 7 10 C cable installation 6 pin out 7 catch a spinning load 43 49 clear faults 41 42 CMD 25 31 32 35 38 46 CMDD 53 CMI 26 46 47 COd 40 code access 40 error 53 communication fault 26 loss detection 26 47 connection accessories 10 control card EEPROM fault 51 power supply fault 51 control modes hand off auto 26 local hana 26 28 remote auto 27 28 control paths 38 controlled stop 43 CPU 52 CRC16 17 CrH 40 CrL 40 CtA 42 Ctd 44 current injection 44 limit 50 motor 42 48 nominal 52 thermal protection 43 threshold 42 44 50 D DC bus overvoltage 48 51 53 injection 31 46 50 dCl 41 42 DE2 41 dE2 43 dEC 43 deceleration 43 53 DF1 51 DF2 51 direction normal 46 reverse 46 donE 40 DP1 51 DP2 51 DP3 51 DP4 51 drive address 11 40 O 2000 Schneider Electric All Rights Reserved 55 OA ALTIVARO 28 RS485 Connection Kit User s Guide Index Bulletin No VVDED399092US 07 00 modifying status 25 overheating 48 51 53 status registers 50
38. ency Stop and Overtravel Stop Separate or redundant control paths must be provided for critical control functions e System control paths may include communication links Consideration must be given to the implications of unanticipated transmission delays or failures of the link Failure to follow these instructions can result in death serious injury or eguipment damage 1 For additional information refer to NEMA ICS 1 1 latest revision Safety Guidelines for the Application Installation and Maintenance of Solid State Control and to NEMA 1CS7 1 latest revision Safety Standards for Construction and Guide for Selection In stallation and Operation of Adjustable Speed Drive Systems Depending on the MODBUS driver you may need to add 1 to the register address to obtain the correct address To determine if this is necessary read word 454 with the motor stopped If you do not read the line voltage in Word 454 1 must be added to the register address to obtain the correct address Repeat this step to verify the correct address You must monitor status registers 458 459 and 460 to determine the correct state A logic input used to force a freewheel stop does not affect bits in the CMD word 400 38 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 4 Parameter Descriptions 07 00 Index of Parameters INDEX OF PARAMETERS NOTE To look up registers by code e g CIC T
39. eserved Bulletin No VVDED399092US Section 3 Controlling and Monitoring the ATV28 Drive Controller 07 00 ATV28 Control Modes Table 7 STOP Requests To restore control of the Corresponding z Type of Stop DRIVECOM state as ma ae 1 Set the terminal strip logic input assigned to the freewheel stop function to 1 2 Perform the transitions reguired to return the drive controller to Run status Freewheel stop ATV28 powered up Set the terminal strip logic input Fastistop AIV ARUNAN assigned to the fast stop function to 1 Set the terminal strip logic input DC injection stop ATV28 running assigned to the DC injection stop function to 0 1 Release the Stop key 2 Perform the transitions required to return the drive controller to Run status Stop via keypad STOP key ATV28 powered up 1 Set the logic input assigned to STOP to 1 ATV28 powered up 2 Perform the transitions required to return the drive controller to Run status 3 wire control stop via logic input stop Ll1 Communication Principle The ATV28 drive controller can be connected to only one fieldbus and this one fieldbus controls the ATV28 The fieldbus connected to the communication port always takes priority However when the MODBUS master is not controlling the ATV28 the fieldbus may send configuration words provided the motor is stopped adjustments and read display words The bus controlli
40. espond to the DRIVECOM standard White boxes correspond to the adaptation of the ATV28 controller to this standard See also W458 on page 49 Table 11 State in DRIVECOM Standard shown in Figure 17 on page 34 oie Status Register ETA States bit 5 bit 3 bit2 bit 1 bit 0 Not ready to switch ON Switch ON disabled Ready to switch ON Switch ON Operation enabled Malfunction Malfunction Reset Active ojojojojojo o Quick stop active X State is not significant O x x x gt x Bit 4 is not significant and is therefore not shown in the table o o jojojojo o o ceco oe gt lo o ec e cl c o Table 12 Description of Other Status Register ETA Bits bit 4 Supply voltage 1 Power is absent bit 7 Warning 1 A standard or user specific warning is present bit 8 Message 1 A message event is present optional bit 9 Remote 1 If the parameters can be modified via bus outside local forcing bit 10 Reference reached 1 If the reference value is reached bit 11 Limit value 1 If a limit value is reached min max speed O 2000 Schneider Electric All Rights Reserved 33 TO r02m Section 3 Controlling and Monitoring the ATV28 Drive Controller Summary of DRIVECOM Standard Bulletin No VVDED399092US 07 00 Malfunction
41. execute the request but cannot continue to process it completely CRC16 Calculation RTU Format The CRC16 is calculated on all the bytes of the message by applying the following method XOR indicates Exclusive Or e Initialize the CRC 16 bit register to H FFFF Enter the first to the last byte of the message CRC XOR lt byte gt CRC ENTER 8times Move the CRC one bit to the right If the output bit 1 enter CRC XOR H A001 ERC END enter The low order bytes of the CRC obtained are transmitted first then the high order ones 2000 Schneider Electric All Rights Reserved 17 TO r02m Section 2 MODBUS Protocol Bulletin No VVDED399092US MSTR Block 07 00 MSTR BLOCK A network of 28 drive controllers using RS 485 can be created using the MSTR block and a MODBUS PLUS to MODBUS converter This section discusses read and write MSTR instruction blocks For additional information on MODBUS instructions refer to the Modicon Ladder Logic Block Library User Guide 840 USE 10100 Overview of MSTR Block PLCs that support MODBUS PLUS communications have a special MSTR master instruction allowing nodes of the network to initiate message transactions The MSTR function allows you to initiate one of nine possible network communications operations over the MODBUS PLUS network Each operation is designated by a code see Table 3 Table 3 MSTR Operation Codes MSTR Operation MSTR Operation Code Write
42. ights Reserved Bulletin No VVDED399092US 07 00 ALTIVARO 28 RS485 Connection Kit User s Guide Index J jog 41 42 43 JPF 44 K keypad display 28 L last fault 48 LCr 48 LFR 46 LFRD 53 LFt 48 Ln 41 assigning 41 image of 51 Ll2 41 assigning 41 image of 51 LI3 42 assigning 42 image of 51 Ll4 42 assigning 42 image of 51 line supply overvoltage 48 51 53 phase failure 48 51 53 phase loss 43 undervoltage 51 53 line voltage 48 local hand control 26 28 logic inputs 41 42 51 low speed 43 53 LSP 43 46 M modbus functions 15 16 modbus protocol communication 12 14 CRC16 calculation 17 data coding 11 exception response 17 exchange format 11 frames 11 motor configuration 40 current 42 48 frequency 40 42 noise reduction 40 overload 48 51 53 phase failure 48 51 53 phase loss 43 rating 42 run command 46 short circuit 48 51 speed 48 53 stop command 46 thermal alarm 49 thermal state 48 torque 42 52 voltage 40 MSTR block 18 20 bottom node 20 middle node 19 structure 18 top node 19 NCV 52 NENO 47 NIT 47 nLd 41 nO 40 41 42 nOF 48 51 noise reduction 40 nominal current 52 nrd 40 nSt 41 42 NTO 47 O ObF 48 51 OCF 48 51 OCr 42 OHF 48 51 OLF 48 51 OLO 42 52 operation direction 44 forward 41 reverse 41 42 operators 28 OPF 48 51 OPL 43 OPr 42 52 OPt 40 41 OSF 48 51 output power 52 overcurrent 51 faul
43. in from 0 01 to 100 00 W280 rlG 0 01 s Pl integral gain 1 to 10000 gain from 0 01 s to 100 00 s W281 FbS 0 1 Pl feedback scale factor 1 to 1000 factor 0 1 to 100 0 W282 Ctd 0 1 A Current threshold reached 0 1 x INV to 1 5 x INV where INV is the nominal current of the drive controller W283 ttd 1 Thermal threshold reached 1 to 118 W284 Ftd 0 1 Hz Frequency threshold reached 0 to HSP W286 JPF 0 1 Hz Skip frequency on a frequency 0 to HSP range of 1 Hz around the adjusted value W287 PIC Reversal of direction of correction 0 nO of PI regulator 1 YES W340 rOt Control of operating direction with O FOr Forward local control option This 1 rrS Reverse parameter is only accessible in Read mode 44 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 4 Parameter Descriptions 07 00 Control Parameters CONTROL PARAMETERS READ AND WRITE 44 WARNING UNINTENDED EQUIPMENT ACTION e Writing to registers designated as reserved can cause unintended eguipment operation DO NOT write data to registers unless you completely understand the function to be performed Consult the user instruction bulletin for additional details Bit O is the right most least significant bit Bit 15 is the left most most significant bit Failure to follow these instructions can result in death serious injury or eguipment damage Table 19 ATV28 and MODI
44. lays length 3rd implied Displays MSTR operation dependent information Routing 1 register used to designate the address of the destination shimplied node for a network message transaction 5th implied Routing 2 register 6th implied Routing 3 register 7th implied Routing 4 register 8th implied Routing 5 register Middle Node Content The 4x register entered in the middle node is the first in a group of contiguous holding registers that comprise the data area For operations that provide the communication processor with data such as a write operation the data area is the source of the data For operations that acquire data from the communication processor such as a read operation the data area is the destination for the data 2000 Schneider Electric All Rights Reserved 19 TO r02m Section 2 MODBUS Protocol Bulletin No VVDED399092US MSTR Block 07 00 Bottom Node Content The integer value entered in the bottom node specifies the length the maximum number of registers in the data area Although the typical MODBUS length can range from 1 to 100 the ATV28 drive controller range is 1 to 60 Read and Write MSTR Operations An MSTR write operation transfers data from a controlling device to the drive controller An MSTR read operation transfers data from the drive controller to a controlling device on the network The registers in the MSTR control block the top node contain the followi
45. n Assignment of logic input Ll3 VO Configuration Parameters Continued Possible Values or Range nO Not assigned rrS Reverse operation rP2 Ramp switching JOG Jog operation PS2 Two preset speeds PS4 Four preset speeds PS8 Eight preset speeds rFC Reference switching nSt Freewheel stop dCI Injection stop FSt Fast stop FLO Forced local rSt Clear faults W103 Ll4 Assignment of logic input Ll4 nO Not assigned rrS Reverse operation rP2 Ramp switching JOG Jog operation PS2 Two preset speeds PS4 Four preset speeds PS8 Eight preset speeds rFC Reference switching nSt Freewheel stop dCI Injection stop FSt Fast stop FLO Forced local rSt Clear faults W107 Al2 Assignment of analog input AIC AI2 mn ee mk mk mk er ee ee ui ee R D O1 I BR amp W ND O1 B nO Not assigned SAI Summing reference PIA PI feedback PI regulator with Al1 reference PII PI feedback PI regulator with internal reference reference set by rPI W440 W110 Assignment of relay R2 nO Not assigned FtA Frequency threshold Ftd reached CtA Current threshold Ctd reached SrA Frequency reference reached tSA Thermal threshold ttd reached W112 AO Assignment of analog output AO NA NO O JOAO nO Not assigned OCr Motor current rFr Motor frequency
46. ng information in a read or write operation see Table 5 Table 5 Control Block Registers Read and Write Operations Register Function Content Displayed Operation type 1 Write 2 Read 1st implied Error status Displays a hex value indicating MSTR error when relevant Write of registers to be sent to drive controller 2nd implied jEength Read of registers to be read from drive controller A Drive controller Specifies starting register in the drive controller to be read 3rd implied data area from or written to 4th 8th Designates 1st 5th routing path addresses respectively Ve Routing 1 5 i implied last non zero byte in routing path is the transaction device 20 O 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 2 MODBUS Protocol 07 00 XMIT Function Block XMIT FUNCTION BLOCK The XMIT function block allows you to make a MODBUS port a master on various Modicon PLCs See Figure 12 for an example of a XMIT function block on a ProWork Nxt screen Consultthe appropriate Modicon documentation to ensure that your configuration and options allow the MODBUS port to be modified NOTE The MODBUS JBUS UNITELWAY communication option card uses a two wire RS 485 electrical interface If the port you are using on the PLC is an RS 232 interface that does not support RS 485 you must use an RS 232 to RS 485 converter that is Auto enabled sometimes calle
47. ng the drive controller can relinguish control by setting bits 8 and 15 of the control word 400 CMD to 1 For further information refer to the communication principles described on page 13 2000 Schneider Electric All Rights Reserved 31 TO r02m Section 3 Controlling and Monitoring the ATV28 Drive Controller Bulletin No VVDED399092US Summary of DRIVECOM Standard 07 00 SUMMARY OF DRIVECOM STANDARD Table 8 Control Register CMD Bit Definition l bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 Switch ON De Ouick stop Enang optional optional optional He A voltage operation malfunction Switch to Return to drive ATVB Fast stop Run stop reserved reserved reserved Reset fault controller powered acknowledged ready up status bit 8 bit 9 bit 10 bit 11 bit 12 bit 13 bit 14 bit 15 specific to specific to specific to specific to specific to reserved reserved reserved manufacturer manufacturer manufacturer manufacturer manufacturer Reverse reserved reserved reserved motor reserved direction 1 The grey boxes correspond to the DRIVECOM standard The white boxes correspond to the adaptation of the ATV28 controller to this standard See also Table 20 on page 46 Stop by injection Fast stop see page 35 Table 9 Control Register Commands DRIVECOM transition in DRIVECOM sample values of command shown in bit 7 bit 3 bit
48. nts 07 00 SECTION 3 CONTROLLING AND MONITORING THE ATV28 DRIVE CONTROLLER ese se sesse ae ke ke ke kak se uu 25 DRIVECOM STANDARD ADAPTED TO THE ATV28 DRIVE CONTROLLER 25 Communication Fault Detection 26 Maintaining Communication 26 ATV28 CONTROL MODES I FI FFF I FF FF FFF FF ud 26 Hand Off Auto HOA i data net DR RD FD dd TY oe 26 Local and Remote acid ER a DO TAU FN WY 28 Local Harid Gontrol i haat ee tee deu GN DE dre DD FL ee DE 28 Remote Auto Control 28 Forced Local ita ta tile Bae eee A A sta EA 28 Communication Principle 31 SUMMARY OF DRIVECOM STANDARD 32 ALTERNATIVE TO DRIVECOM STATE RING 35 SECTION 4 PARAMETER DESCRIPTIONS 37 ACCESSING PARAMETERS AN OVERVIEW ee ese ee eee eee ee ek 38 INDEX OF PARAMETERS ts ai GES gek ee a a Mea 39 CONFIGURATION PARAMETERS READ AND WRITE 40 General Configuration Parameters 40 VO Configuration Parameters 41 Fault Configuration Parameters 43 Adjustment Parameters see EE EE Y FR RR ee FY Yu uag 43 CONTROL PARAMETERS READ
49. o VVDED399092US Section 3 Controlling and Monitoring the ATV28 Drive Controller 07 00 ATV28 Control Modes When the logic input assigned to forced local is active high all control of the drive is assigned to the selected local hand control mode In this case command requests by the MODBUS network are refused Command parameters can be monitored All other parameters may be read write accessed A WARNING UNINTENDED EQUIPMENT ACTION When in forced local mode all commands from the communication ports are ignored Failure to consider the implications of unanticipated operation can result in death serious injury or equipment damage When the logic input is not active low all control of the drive is transferred to the MODBUS network The only local hand controls that are still monitored by the drive controller include the logic input assigned to Forced Local and any input assigned to a drive stop function Examples include the stop button on the keypad display logic input 1 Ll1 which is assigned to the function STOP if the ATV28 drive controller is configured for 3 wire control and any logic input assigned to the functions freewheel stop DC injection braking and fast stop See the ATV28 Drive Controller User s Guide VVDED399062US latest revision for more details 2000 Schneider Electric All Rights Reserved 29 Section 3 Controlling and Monitoring the ATV28 Drive Controller Bulletin No VVDE
50. ore than three characters ATV28 Address The ATV28 controller address can range from 1 to 31 To configure the address use the keypad I O menu of the drive controller or the test and commissioning software catalog no VW3A28104 2000 Schneider Electric All Rights Reserved 11 OA Section 2 MODBUS Protocol Bulletin No VVDED399092US Principle of Communication 07 00 PRINCIPLE OF COMMUNICATION MODBUS protocol is a dialog protocol that creates a hierarchical structure one master and several slaves MODBUS protocol enables the master device to interrogate one or more intelligent slave devices A multidrop link connects the master and slave devices Two types of dialog are possible between the master and slave devices 1 The master device talks to a slave device and waits for its response 2 The master device talks to all slave devices without waiting for a response broadcast message The slave devices are numbered from 1 to 31 The number 0 is reserved for broadcasting Master H Stave 1 Slave 2 Figure 8 Communication Between Master and Slave Devices The master device initiates and manages the communication exchanges The master device repeats the question when there is an incorrect exchange and declares the interrogated slave absent if it receives no response within a given time Only one device can transmit on the line at any time No sla
51. p cable by at least 12 in 30 5 cm e Whenever power wiring and multidrop cable cross the metallic conduit and non metallic conduit or trays must cross at right angles For the multidrop cable use shielded cable with one or two pairs of twisted conductors Use the cable recommended for each multidrop bus system shown Ground the shield only at one point 2000 Schneider Electric All Rights Reserved 7 TO r02m Section 1 Hardware Setup Bulletin No VVDED399092US Connection to the Bus 07 00 When connecting the ATV28 controller to the RS 485 bus Make connections only to pins 3 4 6 and 7 of the 9 pin Sub D cable receptacle Use a shielded cable with two pairs of twisted conductor Cables are available from Square D in lengths of 328 ft 100 m TSX CSA100 658 ft 200 m TSX CSA200 1640 ft 500 m TSX CSA500 Connect the communication reference potentials to each other Do not exceed maximum line length of 3280 ft 1000 m Do not exceed maximum tap off length of 65 ft 20 m Do not connect more than 18 nodes on one bus Terminate both ends of the bus with a 120 Q resistor in series with a 0 001 uf capacitor as shown in Figure 3 120 Q Figure 3 Zt Line Terminator 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 1 Hardware Setup 07 00 Connection to the Bus Connection Examples Figure 4 shows an example of a simplified connection to
52. rate a fault The drive controller continues its present operation Alternate control paths must be provided for starting stopping and controlling the motor No control commands are received during loss of communication This function is intended for use during troubleshooting and start up Maintaining Communication After communication has been established the drive controller must receive a communication request read or write every seven seconds or the drive controller will generate a communication fault A communication request must not be issued before the previous request has been completed Otherwise the communication requests can cause the drive controller s memory to overflow resulting in a communication fault If a communication fault is generated the fault prevents starting the controlled motor until the fault is cleared Recycling the power clears the fault ATV28 CONTROL MODES Hand Off Auto HOA When the ATV28 drive controller is powered up it defaults to local hand control See the discussion of local and remote control on page 28 After the drive controller recovers from a power up sequence including such unplanned events as an AC line power disturbance it immediately responds to local controls that may be active before the MODBUS 26 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 3 Controlling and Monitoring the ATV28 Drive Controller 07 00 ATV28 Control Modes
53. ration is in progress Operation terminated unsuccessfully Passes power when XMIT has detected an error or when an XMIT operation was aborted Operation successful Passes power when an XMIT operation has successfully completed NOTE Do not modify the address in the 4xxxx middle node or delete XMIT from the program while the block is active This locks up the communication port preventing further communication 22 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 2 MODBUS Protocol 07 00 XMIT Function Block The XMIT instruction block does not operate correctly if e The NSUP and XMIT loadable are not installed e The NSUP loadable is installed after the XMIT loadable e The NSUP and XMIT loadables are installed in a Quantum PLC with an out of date executive older than version 2 10 or 2 12 Registers in the XMIT control block are as follows Table 6 XMIT Control Block Registers Register Function Range 4x Revision Number Read only Decimal 4x 1 Fault Status Read only 4x 2 Not used by XMIT Available for customer use 4x3 Data Rato 2400 9600 or 19200 Bls per second 4x 4 Data Bits 7 8 4x 5 Parity 0 1 2 4x 6 Stop Bits 0 1 2 4x 7 Not used by XMIT Available for customer use 4x 8 Command Word 16 digit binary number 4x 9 Pointer to Message Table aM terange ota 4x 10 Length of Message 0 512 4x 11 Response Time out 0 65535
54. speed 7 9600 bps This parameter is not actually 8 19200 bps modified until the drive controller is switched off and then on again W40 bFr Motor configuration 0 50 Hz 1 60 Hz W41 SdS Scale factor of SPd parameter 1 to 200 Speed display Can be adjusted while operating W42 AOt Configuration of analog output 0 0to20mA 1 4to20mA W51 SFr 0 1 kHz Switching frequency can be 20 to 150 2 to 15 kHz adjusted while operating W52 tFr 0 1 Hz Maximum frequency 400 to 4000 W53 FrS 0 1 Hz Nominal motor frequency 400 to 4000 W55 Uns 1V Nominal motor voltage ATV28 M2 200 to 240 ATV28 N4 380 to 500 W59 tUn Autotune 0 nO Autotune is not performed and the value from the table is used instead if written returns to the value from the table 1 donE Autotune is performed if written parameters set by previous autotuning in use 2 YES Autotune command W60 nrd Motor noise reduction 0 nO 1 YES 40 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 4 Parameter Descriptions 07 00 Configuration Parameters Table 15 General Configuration Parameters Continued Word Code Units Description Possible Values or Range W61 UFt Voltage frequency ratio O L Constant torque for parallel or special V Hz ratio motors 1 P Variable torque 2 n Sensorless flux vector control for applications with constant torque 3 nLd Energy saving for applications wi
55. t 48 53 overheating 51 drive 48 51 53 overload 48 51 2000 Schneider Electric All Rights Reserved 57 OA ALTIVARO 28 RS485 Connection Kit User s Guide Bulletin No VVDED399092US Index 07 00 motor 53 power rFC 41 42 overtravel stop 38 output 52 rFr 42 48 overvoltage rating 52 RFRD 53 DC bus 48 51 53 preset speeds 41 42 44 rlG 44 line supply 48 51 53 PS2 41 42 rOt 44 Eau ate rotation P PS8 41 d2 forward 49 50 reverse 49 50 parameters rP2 41 42 accessing 38 R PG 44 adjustment 43 44 R1 BIAS control 46 47 image of 51 fault configuration 43 E rrS 41 42 44 general configuration 40 41 oe RS 232 interface 21 VO configuration 41 42 Er RS 422 interface 21 monitoring 48 52 special drivecom 52 53 r2 42 ke past fault 51 ramp PC acceleration 53 S AE Er decel adaptation 41 deceleration 53 SAI 42 prase failure output 53 SCF 48 51 a ee Es ing threshold serial link jine supply 43 rating control 25 28 46 Storas motor 42 fault 48 51 53 receiving 5 transmission speed 40 A U Go reference switching 41 SFr 40 feedback 42 feedback scale factor 44 integral gain 44 proportional gain 44 PIA 42 PIC 44 PII 42 PLC connection to 9 registers active faults 51 address 38 drive 38 drive status 50 drivecom status 49 mapping 37 relay 42 51 remote auto control 27 28 reverse 41 42 49 50 short circuit motor 48 51 SLF 48 51 slip compensation 43 SLP 43 SMAH 53
56. ter CMD W400 W602 ETAD Status word same as parameter ETA W458 write protected W603 LFRD 1rpm Speed reference reference not 32768 to 32768 peak limited W604 FRHD 1rpm Ramp output signed 32768 to 32768 write protected W605 RFRD 1rpm Motor speed write protected 0 to 65535 W606 SMIL 1rpm Low speed equivalent to LSP 0 to HSP x SdS W251 but in rpm W607 SMIH Reserved 0 W608 SMAL 1rpm High speed equivalent to HSP LSP x Sds to tFr x SdS W250 but in rpm W609 SMAH Reserved 0 W610 SPAL 1rpm Speed for calculating the 1 to 65535 acceleration ramp W611 SPAH Reserved 0 W612 SPAT Jis Time for calculating the 0 to 65535 acceleration ramp the time to go from O to SPAL W610 W613 SPDL 1rpm Speed for calculating the 1 to 65535 deceleration ramp W614 SPDH Reserved 0 W615 SPDT 1s Time for calculating the 0 to 65535 deceleration ramp the time to go from SPDL W613 to 0 2000 Schneider Electric All Rights Reserved 53 TO r02m Section 4 Parameter Descriptions Special Drivecom Parameters Bulletin No VVDED399092US 07 00 NOTES 54 O 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US 07 00 ALTIVARO 28 RS485 Connection Kit User s Guide Index Numerics 2 wire control 27 40 3 wire control 28 40 A AC2 41 43 ACC 43 acc
57. th variable torque W64 brA Deceleration ramp adaptation 0 nO avoids switch to obF fault 1 YES W65 Frt 0 1 Hz Ramp switching threshold 0 to HSP switch to AC2 and DE2 if output frequency is greater than FrT and FrT is not equal to 0 This may be adjusted while operating Note that if a logic input is assigned to the ramp switching threshold function rP2 this parameter is not accessible VO Configuration Parameters These parameters can only be adjusted with the motor stopped Table 16 1 0 Configuration Parameters Word Code Units Description Possible Values or Range W100 LH Assignment of logic input LI1 0 Not assigned local control option present read only ICC OPt 1 Stop if tCC 3C 2 Forward operation if tCC 2C W101 Ll2 Assignment of logic input Ll2 0 nO Not assigned read only 2 For Forward operation if tCC 3C 3 rrS Reverse operation 4 rP2 Ramp switching 5 JOG Jog operation 8 PS2 Two preset speeds 9 PS4 Four preset speeds 10 PS8 Eight preset speeds 11 rFC Reference switching 12 nSt Freewheel stop 13 dCl Injection stop 14 FSt Fast stop 17 FLO Forced local 18 rSt Clear faults 2000 Schneider Electric All Rights Reserved 41 TO r02m Section 4 Parameter Descriptions Configuration Parameters Bulletin No VVDED399092US 07 00 Table 16 Word W102 Code Ll3 Units Descriptio
58. ve device can send a message unless it is invited to do so No lateral communication i e slave to slave is possible The application software of the master device must therefore be designed to interrogate one slave and send back data received to another slave 12 2000 Schneider Electric All Rights Reserved Bulletin No VVDED399092US Section 2 MODBUS Protocol 07 00 Principle of Communication Master Slave Relationship Accessible Data Once a slave device has been interrogated the master must wait until it receives a response before sending any additional commands Failure to follow this method causes communication failures MODBUS protocol enables the exchange of data bits and words between a master device and several slave devices and checks these exchanges Only words can be exchanged with an ATV28 controller In each drive controller there are two types of data objects input words and output words Input words are read only Output words can be read or written Output words are defined with respect to the master device they are command configuration and adjustment words to the drive controller D 17 gar OO o o w lt oO m Modbus Addressing Transmission o a n table Output E words _ oo oo _ za c 2 ok o go es ie SN Slave 3 l Figure 9 Data Flow
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