Modbus RTU questions & answers - Control Systems Application and Knowledge Store

1

answer

1

votes

48

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mapping Modbus RTU between ABB UNO 3.3 and React-MTR-1PH

Commented 2 months ago by jm.torres Rank: 4896

DCS in general, DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

22

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8211 timeout error in Modbus rtu

Answered 2 months ago by Amal Rank: 105

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500-eCo

1

answer

1

votes

56

views

Modbus RTU not getting values

Commented 2 months ago by Amal Rank: 105

PLC Automation > AC500-eCo, DCS in general > Communication > Modbus > Modbus RTU

3

answers

0

votes

97

views

About PM866 Modbus RTU error code -7011 question

Commented 3 months ago by Chienweitu Rank: 1814

800xA > AC 800M > _Other, 800xA > AC 800M > Processor modules > PM861, PM864, PM866, DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

votes

40

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AC500 Modbus RTU bug with Coriolis FCB450

Asked 4 months ago by antonis.asimakopoulos Rank: 4123

PLC Automation > AC500, DCS in general > Communication > Modbus > Modbus RTU

1

answer

1

votes

46

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PI reads incorrect values from wall mounted ACS800's with older software versions

Commented 4 months ago by iliatenn Rank: 3207

Drives > AC drives > ACS800 series > ACS800 single drives, DCS in general > Communication > Modbus > Modbus RTU

2

answers

0

votes

66

views

CI534V02 - strange issue with "R" status (used with controller AC450)

Answered 5 months ago by Rob Lyon Rank: 2

DCS in general > Communication > Modbus > Modbus RTU

2

answers

2

votes

77

views

is it possible to make more than one request using Modbus RTU during a PLC cycle?

Answered 6 months ago by Rob Lyon Rank: 2

800xA > AC 800M > CI85x modules > CI853 (serial), DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

76

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Problem with MODBUS RTU between AC800M and AC500

Commented 6 months ago by kstoilov AKS expert

Rank: 5

800xA > AC 800M, DCS in general > Communication > Modbus > Modbus RTU

3

answers

1

votes

50

views

Energy Analyzer

Commented 6 months ago by Amal Rank: 105

Safety Systems, DCS in general > Communication > Modbus > Modbus RTU

2

answers

0

votes

32

views

Data from devices connected with modbus rtu does not come from time to time? zero is coming. why?

Commented 8 months ago by kstoilov AKS expert

Rank: 5

PLC Automation > AC500-eCo > Processor modules > PM564, PM565, PM566, DCS in general > Communication > Modbus > Modbus RTU

2

answers

0

votes

91

views

How to Unpack a 16 bit data

Commented 9 months ago by vinomano412 Rank: 1586

PLC Automation > AC500, PLC Automation > AC500 > Processor modules > PM571, PM572, PM573, DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

44

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AC450 modbus redundancy (CI532V02 with MS)

Answered 7 months ago by Jan-Erik Rask Rank: 86

DCS in general > Communication > Modbus > Modbus RTU, Legacy DCS > Advant Master, Legacy DCS > Advant Master > Controllers > Advant Controller 450

3

answers

0

votes

70

views

How to configure PM583 COM2 port with multi-access for modbus-rtu & online access in CoDeSys?

Answered 10 months ago by GeekSquad13 Rank: 5511

DCS in general > Communication > Modbus > Modbus RTU

2

answers

1

votes

92

views

MODBUS REDUNDANCY WITH CI853 ACTING AS SLAVE

Commented 1 year ago by prashant.verma Rank: 1229

800xA, DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

76

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Configure AC450 as a modbus slave with CI532

Answered 1 year ago by WvanWees AKS expert

Rank: 7

DCS in general > Communication > Modbus > Modbus RTU

5

answers

0

votes

442

views

Problem about Modbus communication between AC800M PM856 COM3 and RS485 2 WIRE

Answered 1 year ago by Kevin.zhu Rank: 2867

800xA > AC 800M > Processor modules > PM85x, DCS in general > Communication > Modbus > Modbus RTU

3

answers

0

votes

191

views

AC500 MODBUS on PM564 com2

Answered 1 year ago by rahilmohammed Rank: 58

PLC Automation > AC500, DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

86

views

Ref542plus => Modbus board

Answered 1 year ago by ATP AKS expert

Rank: 27

Distribution Automation > Feeder protection & control > REF 54x series, DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

votes

37

views

Modbus Registers in RVG200

Asked 1 year ago by algarellano Rank: 2721

DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

votes

28

views

Connecting aztec600(profibus slave) to gateway(profibus-modbus) to rvg200(modbus master)

Commented 1 year ago by Emil Lopez Rank: 2227

DCS in general > Communication > Modbus > Modbus RTU

2

answers

4

votes

3052

views

Termination resistor for modbus rtu

Commented 1 year ago by arunvt1992 Rank: 637

DCS in general > Communication > Modbus > Modbus RTU

3

answers

3

votes

351

views

reading a 32bit value from a modbus slave device using com_mod_mast

Commented 1 year ago by ak Rank: 182

DCS in general > Communication > Modbus > Modbus RTU

1

answer

1

votes

87

views

AC500 MODBUS RTU ERROR 3003

Commented 1 year ago by arunvt1992 Rank: 637

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP)

1

answer

0

votes

631

views

Communicate PM573-ETH PLC with PSTX Softstarter over Modbus RS485

Commented 2 years ago by kstoilov AKS expert

Rank: 5

PLC Automation > AC500 > Processor modules > PM571, PM572, PM573, DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Software > Configuration

3

answers

0

votes

179

views

How many slave devices can be used in one CI853

Answered 2 years ago by AftabMemon Rank: 37

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI85x modules > CI853 (serial)

2

answers

2

votes

111

views

How many MFM meter can be connected to CI853

Answered 2 years ago by Vinoth Sankar Rank: 127

800xA > AC 800M > CI85x modules > CI853 (serial), DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

58

views

Debugging CMS-600 Modbus communication

Answered 2 years ago by miikka.raninen Rank: 3751

DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

153

views

ABB Modbus time-out

Answered 2 years ago by Flavio Mussolin Rank: 4

Drives > AC drives > ACS550 series, DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

votes

80

views

How did you solve the issue of communication meter connected via Modbus RTU/TCP gateway with PLC Connect?

Asked 2 years ago by rrk Rank: 323

800xA > Connectivities > 3rd party connectivity > PLC Connect, DCS in general > Communication > Modbus > Modbus RTU

3

answers

0

votes

256

views

[COMPLETE] Configuration of AC500 and CP600 over Mobus RTU

Asked 2 years ago by daguilara9 Rank: 592

3

answers

0

votes

165

views

ABB PLC PM583-ETH can communicate starting address from 0 ???

Commented 2 years ago by kstoilov AKS expert

Rank: 5

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Control systems > PLCs, PLC Automation > _Other, PLC Automation > AC500

1

answer

0

votes

99

views

DSCA 180B with AC 800PEC

Asked 2 years ago by Thazhai Rank: 489

DCS in general > Communication > Modbus > Modbus RTU, Legacy DCS > Advant Master > Controllers > MasterPiece 200 and 200/1, Power Automation > AC 800PEC

1

answer

1

votes

152

views

MP200 and AC800PEC Modbus communication

Asked 2 years ago by Thazhai Rank: 489

DCS in general > Communication > Modbus > Modbus RTU, Legacy DCS > Advant Master > Controllers > MasterPiece 200 and 200/1, Power Automation > AC 800PEC

2

answers

4

votes

393

views

Multi function meter looping

Asked 2 years ago by saffu Rank: 3452

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500

1

answer

0

votes

234

views

How to get data from Modbus RTU devices which use 45xxxx-range address

Asked 2 years ago by Hoang Van Rank: 802

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI85x modules > CI853 (serial), 800xA

0

answers

0

votes

130

views

Aquamaster 3 Modbus-Serial 485

Asked 2 years ago by PedroC Rank: 40

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication

3

answers

4

votes

297

views

AC500 and Aqua Master Flow Meter Modbus RTU Communication

Asked 2 years ago by engineerjaber Rank: 617

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus, PLC Automation > AC500

1

answer

0

votes

292

views

How to do communicattion and configuration between AC500 and panel 800

Asked 2 years ago by chandhu Rank: 1469

3

answers

1

votes

155

views

CP661 with MODBUS RTU or TCP/IP

Asked 2 years ago by daguilara9 Rank: 592

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication > Modbus, DCS in general > Communication, PLC Automation > Control panels > CP600 series

1

answer

0

votes

76

views

MODBUS RTU Frame Handling in MOD300

Asked 2 years ago by manojgubbala Rank: 707

DCS in general > Communication > Modbus > Modbus RTU, Legacy DCS > Advant MOD 300 > Applications > _Other

1

answer

0

votes

249

views

AC500 (PM573): Modbus RTU byte order (Endianness)

Asked 2 years ago by josepvr Rank: 1940

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500

3

answers

1

votes

954

views

PM861 COM3 port pin details for RS232 communication.

Asked 2 years ago by saurishkr Rank: 87

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus, 800xA > AC 800M, Freelance > Controllers > AC 800F > FI 820F (Serial)

1

answer

1

votes

571

views

CI853 as Modbus RTU Master

Asked 2 years ago by Amit Rupani Rank: 171

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI85x modules > CI853 (serial), 800xA > AC 800M, 800xA

3

answers

2

votes

614

views

Modbus Communication with Schneider MFM

Answered 1 year ago by rajul1230 Rank: 481

DCS in general > Communication > Modbus > Modbus RTU, 800xA

3

answers

0

votes

775

views

Addressing in PM564 eth for reading Integer values

Asked 2 years ago by saurishkr Rank: 87

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500-eCo

3

answers

0

votes

562

views

PM564 ETH FOR MODBUS TO MODBUS TCP

Asked 2 years ago by saurishkr Rank: 87

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus > Modbus TCP, PLC Automation > AC500-eCo, PLC Automation > Engineering > Automation Builder > CODESYS, PLC Automation > Engineering > Automation Builder

1

answer

1

votes

992

views

PM564 COM1 Pin details for RS485 2 wire modbus connection

Asked 2 years ago by saurishkr Rank: 87

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500-eCo

4

answers

3

votes

489

views

Multidrop Communication in CI853

Asked 2 years ago by manojjoshi10 Rank: 857

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI85x modules > CI853 (serial), 800xA

2

answers

1

votes

248

views

AC800M COM3 Port number of devices and byte data it can process

Asked 2 years ago by saurishkr Rank: 87

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus, 800xA > AC 800M

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