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

11

answers

1

votes

11996

views

Slave device not responding, modbus RTU

Asked 5 years ago by PM860 Rank: 1034

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

2

answers

4

votes

3978

views

Termination resistor for modbus rtu

Commented 2 years ago by arunvt1992 Rank: 662

DCS in general > Communication > Modbus > Modbus RTU

4

answers

3

votes

5884

views

checksum error, Modbus RTU

Asked 3 years ago by dannypat Rank: 1220

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

9

answers

1

votes

3493

views

MODBUS. Master not able to read slave response.

Commented 3 months ago by kstoilov AKS expert

Rank: 5

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

2

answers

2

votes

1560

views

com mod mast

Answered 1 year ago by Amal Rank: 84

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

1

answer

0

votes

2317

views

modbus s7-1200 - to ACS580 inverter

Asked 5 years ago by Mnajgebaur Rank: 3122

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

1

answer

1

votes

1237

views

PM564 COM1 Pin details for RS485 2 wire modbus connection

Asked 3 years ago by saurishkr Rank: 89

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

3

answers

3

votes

501

views

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

Commented 2 years ago by ak Rank: 173

DCS in general > Communication > Modbus > Modbus RTU

4

answers

1

votes

1658

views

how to configure com_mod_master to read a holding register?

Commented 9 months ago by Amal Rank: 84

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

2

answers

2

votes

787

views

start address for 40001

Asked 4 years ago by usman Rank: 739

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

5

answers

5

votes

1746

views

Modbus RTU over TCP

Asked 5 years ago by insen1 Rank: 983

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

3

answers

1

votes

1123

views

PM861 COM3 port pin details for RS232 communication.

Asked 3 years ago by saurishkr Rank: 89

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

1

answer

0

votes

731

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

882

views

Addressing in PM564 eth for reading Integer values

Asked 3 years ago by saurishkr Rank: 89

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

2

answers

3

votes

1486

views

Modbus, AC800M, PM860.

Asked 6 years ago by PM860 Rank: 1034

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

4

answers

4

votes

856

views

Modbus Slave -MBRead giving timeout error -4929

Asked 4 years ago by RPM Rank: 37

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

8

answers

0

votes

4340

views

communication between hmi and acs drive

Asked 6 years ago by jainson Rank: 92

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

3

answers

0

votes

1200

views

AC500 Modbus RTU

Asked 3 years ago by jarrett Rank: 597

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

5

answers

1

votes

899

views

CI867 with MOXA NPort for

Asked 4 years ago by aneelbaig Rank: 3221

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

3

answers

1

votes

904

views

AC800M + COM3 + Modbuse

Asked 6 years ago by kstoilov AKS expert

Rank: 5

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

3

answers

2

votes

705

views

Modbus Communication with Schneider MFM

Answered 1 year ago by rajul1230 Rank: 447

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

1

answer

4

votes

964

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 5 years ago by beddem Rank: 7086

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

3

answers

0

votes

125

views

Modbus Float registers

Answered 3 months ago by ParthibanT Rank: 42

DCS in general > Communication > Modbus > Modbus RTU

6

answers

3

votes

1374

views

Modbus communication Issue with CI853 and CI867 in the same Hardware

Asked 5 years ago by aeciolevy Rank: 858

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

1

answer

0

votes

314

views

How to control ACS550 VFD using HMI cp405/408

Asked 4 years ago by Avinash Sawant Rank: 4559

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

5

answers

0

votes

547

views

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

Answered 2 years ago by Kevin.zhu Rank: 3036

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

3

answers

0

votes

199

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

2

answers

1

votes

464

views

How to connect PM571 PLC to HMI CP620 using modbus rs485

Asked 3 years ago by dede Rank: 4310

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

1

answer

1

votes

464

views

Error Code 7011

Asked 5 years ago by kstoilov AKS expert

Rank: 5

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

1

answer

1

votes

736

views

Why cm 574 communication module configuration error comes continuously

Asked 6 years ago by rajeswaran Rank: 549

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

4

answers

3

votes

547

views

Multidrop Communication in CI853

Asked 3 years ago by manojjoshi10 Rank: 892

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

1

answer

1

votes

230

views

Can AC450 be modbus CI534V02 slave?

Asked 3 years ago by Student1 Rank: 7347

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

3

answers

0

votes

285

views

[COMPLETE] Configuration of AC500 and CP600 over Mobus RTU

Asked 2 years ago by daguilara9 Rank: 604

1

answer

0

votes

184

views

ABB Modbus time-out

Answered 2 years ago by Flavio Mussolin AKS expert

Rank: 4

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

3

answers

0

votes

623

views

PM564 ETH FOR MODBUS TO MODBUS TCP

Asked 3 years ago by saurishkr Rank: 89

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

532

views

MODBUS RTU

Commented 2 years ago by akhraszaid Rank: 197

DCS in general > Communication > Modbus > Modbus RTU

3

answers

1

votes

771

views

Modbus RTU via PM866 and COM3

Asked 6 years ago by tim00 Rank: 797

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

1

answer

2

votes

1233

views

AC500 as Modbus RTU Slave with multiple masters

Asked 7 years ago by Anish Rank: 109

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

1

answer

0

votes

914

views

AC500 Modbus RTU control of ACS880-01 through EFB

Asked 3 years ago by SamTeng Rank: 7322

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

4

answers

0

votes

692

views

Connection Modbus RTU between two PLC AC500-eco PM554

Asked 3 years ago by bva_bonda Rank: 3136

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

1

answer

0

votes

287

views

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

Asked 3 years ago by josepvr Rank: 2047

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

2

answers

4

votes

454

views

Multi function meter looping

Asked 2 years ago by saffu Rank: 3651

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

3

answers

0

votes

213

views

AC500 MODBUS on PM564 com2

Answered 2 years ago by rahilmohammed Rank: 59

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

3

answers

0

votes

121

views

About PM866 Modbus RTU error code -7011 question

Commented 8 months ago by Chienweitu Rank: 1910

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

1

answer

0

votes

47

views

8211 timeout error in Modbus rtu

Answered 7 months ago by Amal Rank: 84

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

1

answer

5

votes

1457

views

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

Asked 7 years ago by Anish Rank: 109

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

2

answers

3

votes

573

views

Modbus Address

Asked 5 years ago by saagar_khr Rank: 2416

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

2

answers

1

votes

343

views

PM573 read data from pm9c powermeter via modbus rtu

Asked 6 years ago by irem Rank: 528

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

1

answer

1

votes

630

views

CI853 as Modbus RTU Master

Asked 3 years ago by Amit Rupani Rank: 175

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

2

answers

0

votes

381

views

Modbus communication error

Asked 3 years ago by paapooshank Rank: 2920

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M, 800xA > Operations > _Other, PLC Automation > Supervisory software

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