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

11

answers

1

votes

9980

views

Slave device not responding, modbus RTU

Asked 5 years ago by PM860 Rank: 952

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

4

answers

3

votes

3832

views

checksum error, Modbus RTU

Asked 2 years ago by dannypat Rank: 1111

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

2

answers

4

votes

2092

views

Termination resistor for modbus rtu

Commented 1 year ago by arunvt1992 Rank: 611

DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

63

views

Problem with MODBUS RTU between AC800M and AC500

Commented 14 days ago by kstoilov AKS expert

Rank: 6

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

2

answers

2

votes

987

views

com mod mast

Answered 1 month ago by Amal Rank: 518

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

3

answers

0

votes

936

views

AC500 Modbus RTU

Asked 2 years ago by jarrett Rank: 553

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

1

answer

1

votes

819

views

PM564 COM1 Pin details for RS485 2 wire modbus connection

Asked 2 years ago by saurishkr Rank: 88

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

9

answers

1

votes

3015

views

MODBUS. Master not able to read slave response.

Asked 4 years ago by PM860 Rank: 952

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

3

answers

1

votes

37

views

Energy Analyzer

Commented 24 days ago by Amal Rank: 518

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

1

answer

0

votes

1850

views

modbus s7-1200 - to ACS580 inverter

Asked 4 years ago by Mnajgebaur Rank: 2787

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

3

answers

0

votes

648

views

Addressing in PM564 eth for reading Integer values

Asked 2 years ago by saurishkr Rank: 88

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

4

answers

1

votes

1169

views

how to configure com_mod_master to read a holding register?

Commented 1 month ago by Amal Rank: 518

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

5

answers

5

votes

1313

views

Modbus RTU over TCP

Asked 4 years ago by insen1 Rank: 906

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

2

answers

2

votes

490

views

start address for 40001

Asked 3 years ago by usman Rank: 689

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

2

answers

3

votes

1232

views

Modbus, AC800M, PM860.

Asked 5 years ago by PM860 Rank: 952

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

2

answers

0

votes

27

views

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

Commented 2 months ago by kstoilov AKS expert

Rank: 6

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

1

answer

0

votes

531

views

Communicate PM573-ETH PLC with PSTX Softstarter over Modbus RS485

Commented 1 year ago by kstoilov AKS expert

Rank: 6

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

1

answer

4

votes

790

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: 6184

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

2

answers

4

votes

307

views

Multi function meter looping

Asked 1 year ago by saffu Rank: 3238

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

1

answer

0

votes

793

views

AC500 Modbus RTU control of ACS880-01 through EFB

Asked 2 years ago by SamTeng Rank: 6431

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

3

answers

1

votes

836

views

PM861 COM3 port pin details for RS232 communication.

Asked 2 years ago by saurishkr Rank: 88

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

5

answers

0

votes

344

views

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

Answered 1 year ago by Kevin.zhu Rank: 2705

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

3

answers

2

votes

525

views

Modbus Communication with Schneider MFM

Answered 11 months ago by rajul1230 Rank: 620

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

1

answer

0

votes

254

views

How to do communicattion and configuration between AC500 and panel 800

Asked 2 years ago by chandhu Rank: 1392

2

answers

0

votes

1226

views

AC800M, PM860, MODBUS RTU

Asked 5 years ago by PM860 Rank: 952

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

3

answers

0

votes

510

views

PM564 ETH FOR MODBUS TO MODBUS TCP

Asked 2 years ago by saurishkr Rank: 88

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

0

votes

187

views

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

Asked 1 year ago by Hoang Van Rank: 776

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

2

answers

1

votes

377

views

How to connect PM571 PLC to HMI CP620 using modbus rs485

Asked 2 years ago by dede Rank: 3781

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

5

answers

0

votes

740

views

CI867 with MOXA NPort for

Asked 3 years ago by aneelbaig Rank: 2865

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

1

answer

5

votes

1397

views

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

Asked 6 years ago by Anish Rank: 101

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

2

answers

0

votes

288

views

Modbus communication error

Asked 2 years ago by paapooshank Rank: 2600

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

1

answer

1

votes

479

views

CI853 as Modbus RTU Master

Asked 2 years ago by Amit Rupani Rank: 157

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

3

answers

1

votes

689

views

Modbus RTU via PM866 and COM3

Asked 5 years ago by tim00 Rank: 743

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

4

answers

4

votes

675

views

Modbus Slave -MBRead giving timeout error -4929

Asked 3 years ago by Rajeesh Mariyodan Rank: 52

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

1

answer

2

votes

659

views

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

Asked 3 years ago by Tapan Sahoo Rank: 1247

2

answers

3

votes

465

views

Modbus Address

Asked 4 years ago by saagar_khr Rank: 2155

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

6

answers

3

votes

1283

views

Modbus communication Issue with CI853 and CI867 in the same Hardware

Asked 4 years ago by aeciolevy Rank: 806

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

4

answers

2

votes

430

views

Multidrop Communication in CI853

Asked 2 years ago by manojjoshi10 Rank: 834

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

3

answers

3

votes

250

views

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

Commented 1 year ago by ak Rank: 193

DCS in general > Communication > Modbus > Modbus RTU

3

answers

1

votes

143

views

CP661 with MODBUS RTU or TCP/IP

Asked 2 years ago by daguilara9 Rank: 566

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

1

votes

453

views

MODBUS RTU

Commented 1 year ago by akhraszaid Rank: 192

DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

210

views

How to control ACS550 VFD using HMI cp405/408

Asked 3 years ago by Avinash Sawant Rank: 4017

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

8

answers

0

votes

4229

views

communication between hmi and acs drive

Asked 5 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

1

answer

2

votes

1140

views

AC500 as Modbus RTU Slave with multiple masters

Asked 6 years ago by Anish Rank: 101

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

0

answers

0

votes

124

views

Panel Builder Ver. 6.0 & ModBus

Asked 3 years ago by ABBBetoL Rank: 1828

DCS in general > Communication > Modbus > Modbus RTU, Compact Product Suite > Operations > Panel 800, Freelance > Operations > Panel 800

4

answers

0

votes

576

views

Connection Modbus RTU between two PLC AC500-eco PM554

Asked 2 years ago by bva_bonda Rank: 2801

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

1

answer

0

votes

218

views

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

Asked 2 years ago by josepvr Rank: 1832

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

1

answer

1

votes

665

views

Why cm 574 communication module configuration error comes continuously

Asked 5 years ago by rajeswaran Rank: 511

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

3

answers

1

votes

802

views

AC800M + COM3 + Modbuse

Asked 6 years ago by kstoilov AKS expert

Rank: 6

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

2

answers

3

votes

974

views

AC500 modbus FCT23

Asked 6 years ago by HGonzalez Rank: 116

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

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