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

11

answers

1

votes

8898

views

Slave device not responding, modbus RTU

Asked 4 years ago by PM860 Rank: 916

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

2

answers

4

votes

1017

views

Termination resistor for modbus rtu

Commented 1 year ago by arunvt1992 Rank: 672

DCS in general > Communication > Modbus > Modbus RTU

4

answers

3

votes

2782

views

checksum error, Modbus RTU

Asked 2 years ago by dannypat Rank: 1066

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

2

answers

1

votes

64

views

MODBUS REDUNDANCY WITH CI853 ACTING AS SLAVE

Commented 1 month ago by prashant.verma Rank: 1329

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

3

answers

1

votes

683

views

PM861 COM3 port pin details for RS232 communication.

Asked 1 year 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

2

votes

757

views

com mod mast

Asked 2 years ago by Aravind Rank: 5245

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

3

answers

0

votes

689

views

AC500 Modbus RTU

Asked 1 year ago by jarrett Rank: 534

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

1

answer

1

votes

372

views

CI853 as Modbus RTU Master

Asked 1 year ago by Amit Rupani Rank: 156

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

1

answer

0

votes

1642

views

modbus s7-1200 - to ACS580 inverter

Asked 3 years ago by Mnajgebaur Rank: 2635

DCS in general > Communication > Modbus > Modbus RTU, Drives > DC drives fieldbus adapter > MotiFlex > OPT-FB-003 - Modbus RTU, Drives

1

answer

4

votes

671

views

hi,I see error 12291 error when I configurate modbus rtu in AC500 with com_mod_mast how can I solve this problem?

Asked 4 years ago by beddem Rank: 5785

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

1

answer

0

votes

674

views

AC500 Modbus RTU control of ACS880-01 through EFB

Asked 2 years ago by SamTeng Rank: 6035

DCS in general > Communication > Modbus > Modbus RTU, Drives > AC drives > ACS800 series, PLC Automation > AC500

5

answers

0

votes

242

views

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

Answered 9 months ago by Kevin.zhu Rank: 2559

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

3

answers

0

votes

488

views

Addressing in PM564 eth for reading Integer values

Asked 1 year ago by saurishkr Rank: 87

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

3

answers

2

votes

385

views

Modbus Communication with Schneider MFM

Answered 6 months ago by rajul1230 Rank: 621

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

1

answer

1

votes

594

views

PM564 COM1 Pin details for RS485 2 wire modbus connection

Asked 1 year ago by saurishkr Rank: 87

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

1

answer

0

votes

404

views

Communicate PM573-ETH PLC with PSTX Softstarter over Modbus RS485

Commented 1 year 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

9

answers

1

votes

2849

views

MODBUS. Master not able to read slave response.

Asked 4 years ago by PM860 Rank: 916

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI modules (other), 800xA > AC 800M

6

answers

3

votes

1243

views

Modbus communication Issue with CI853 and CI867 in the same Hardware

Asked 4 years ago by aeciolevy Rank: 775

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

4

answers

1

votes

1067

views

how to configure com_mod_master to read a holding register?

Asked 4 years ago by Mr. SINISTER Rank: 3696

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

5

answers

0

votes

672

views

CI867 with MOXA NPort for

Asked 3 years ago by aneelbaig Rank: 2695

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), 800xA > AC 800M

2

answers

2

votes

388

views

start address for 40001

Asked 2 years ago by usman Rank: 661

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Control systems > Connectivity, 800xA > AC 800M, 800xA > Connectivities > 3rd party connectivity

8

answers

0

votes

4142

views

communication between hmi and acs drive

Asked 4 years ago by jainson Rank: 83

DCS in general > Communication > Modbus > Modbus RTU, Drives > DC drives fieldbus adapter > MotiFlex > OPT-FB-003 - Modbus RTU, Drives, PLC Automation > Control panels

4

answers

0

votes

506

views

Connection Modbus RTU between two PLC AC500-eco PM554

Asked 2 years ago by bva_bonda Rank: 2651

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

2

answers

4

votes

203

views

Multi function meter looping

Asked 1 year ago by saffu Rank: 3027

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

2

answers

0

votes

1168

views

AC800M, PM860, MODBUS RTU

Asked 4 years ago by PM860 Rank: 916

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

5

answers

5

votes

813

views

800m modbus communication

Asked 3 years ago by susheelkrjain Rank: 645

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

3

answers

0

votes

335

views

StartAddress format for MBTCPRead block for functional code 01 & 02

Asked 2 years ago by saurishkr Rank: 87

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication > Modbus, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), Compact Product Suite > Engineering > Compact Control Builder

1

answer

1

votes

403

views

MODBUS RTU

Commented 1 year ago by akhraszaid Rank: 195

DCS in general > Communication > Modbus > Modbus RTU

3

answers

0

votes

416

views

PM564 ETH FOR MODBUS TO MODBUS TCP

Asked 1 year 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

4

answers

4

votes

621

views

Modbus Slave -MBRead giving timeout error -4929

Asked 3 years ago by Rajeesh Mariyodan Rank: 49

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI modules (other), 800xA > AC 800M

3

answers

1

votes

641

views

Modbus RTU via PM866 and COM3

Asked 5 years ago by tim00 Rank: 710

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

3

answers

2

votes

503

views

Modbus Communication using Special Message Framing AC500 via Emerson Floboss

Asked 4 years ago by yavuzz Rank: 597

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

3

answers

9

votes

1934

views

Modbus RTU configuration

Asked 7 years ago by Willians Dutra Rank: 193

DCS in general > Communication > Modbus > Modbus RTU, Freelance > Controllers > AC 800F

1

answer

0

votes

169

views

Can AC450 be modbus CI534V02 slave?

Asked 2 years ago by Student1 Rank: 6062

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI modules (other), Legacy DCS > Advant Master > Controllers > Advant Controller 450

1

answer

2

votes

1079

views

AC500 as Modbus RTU Slave with multiple masters

Asked 6 years ago by Anish Rank: 96

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500, Power Automation > AC 800PEC

1

answer

1

votes

356

views

Error Code 7011

Asked 4 years ago by kstoilov AKS expert

Rank: 5

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

2

answers

3

votes

1125

views

Modbus, AC800M, PM860.

Asked 4 years ago by PM860 Rank: 916

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Software > Configuration, 800xA > AC 800M, 800xA > System > Administration & configuration > Configuration

1

answer

2

votes

599

views

Configuration settings required in RTU540 for IEC101,IEC104,Modbus serial communication

Asked 2 years ago by Tapan Sahoo Rank: 1232

5

answers

4

votes

1206

views

Modbus RTU over TCP

Asked 4 years ago by insen1 Rank: 873

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

1

answer

2

votes

827

views

AC450 controller -- CI532 V02 for MODBUS comm. ERR

Asked 5 years ago by juan yu Rank: 978

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

3

answers

1

votes

773

views

AC800M + COM3 + Modbuse

Asked 5 years ago by kstoilov AKS expert

Rank: 5

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

2

answers

1

votes

305

views

How to connect PM571 PLC to HMI CP620 using modbus rs485

Asked 2 years ago by dede Rank: 3531

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500, PLC Automation > Control panels > CP600 series

2

answers

1

votes

179

views

MOD 300, AC460 CI532V02 modbus RTU communication

Asked 2 years ago by denis.sokhatskiy@ru. Rank: 133

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

3

answers

4

votes

265

views

AC500 and Aqua Master Flow Meter Modbus RTU Communication

Asked 1 year ago by engineerjaber Rank: 588

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

3

answers

3

votes

123

views

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

Commented 1 year ago by ak Rank: 212

DCS in general > Communication > Modbus > Modbus RTU

3

answers

0

votes

192

views

[COMPLETE] Configuration of AC500 and CP600 over Mobus RTU

Asked 1 year ago by daguilara9 Rank: 545

8

answers

4

votes

4240

views

ABB AC700 PLC as Modbus RTU Master & 4-5 RTU slaves Communication Problems

Asked 6 years ago by andrikmail Rank: 2585

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication, Freelance > Controllers > AC 700F

2

answers

3

votes

411

views

Modbus Address

Asked 3 years ago by saagar_khr Rank: 2055

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

1

answer

5

votes

1345

views

How to configure in software, AC500 CPU as Modbus RTU Slave?

Asked 6 years ago by Anish Rank: 96

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

1

answer

1

votes

635

views

Why cm 574 communication module configuration error comes continuously

Asked 4 years ago by rajeswaran Rank: 496

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

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