Modbus questions & answers - Control Systems Application and Knowledge Store

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I noticed you're a top rankd expert and I'm in dire need of help. Modbus TCP/IP Registers

Commented 20 days ago by anthony.valverde Rank: 1502

PLC Automation > AC500 > I/O modules, DCS in general > Communication > Modbus > Modbus TCP

2

answers

1

votes

63

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Modbus TCP IP communication with Outotec PSI500I system

Answered 1 month ago by kstoilov AKS expert

Rank: 5

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

2

answers

1

votes

64

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MODBUS REDUNDANCY WITH CI853 ACTING AS SLAVE

Commented 1 month ago by prashant.verma Rank: 1328

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

1

answer

1

votes

94

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Modbus RS485 to Phoenix Contact Ethernet Converter to CI867 comms issue

Commented 2 months ago by Ben Merryman Rank: 620

800xA > Connectivities > 3rd party connectivity > _Other, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > Hardware, firmware > ModuleBus, 800xA > System > System version > 800xA 6.0.1

1

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0

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63

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ABB Videographic Recorder Not working with Modbus TCP/IP

Commented 4 months ago by jorge.garcia Rank: 4823

DCS in general > Communication > Modbus > Modbus TCP

2

answers

1

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79

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ci867 Ethernet card with ethernet to rs 485 converter

Answered 4 months ago by hpg Rank: 97

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

2

answers

1

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16

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Transfer some reading via FI820F Card

Answered 5 months ago by Reda Rank: 163

Freelance, DCS in general > Communication > Modbus

3

answers

4

votes

118

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OPC communication or MODBUS

Commented 5 months ago by Rob Lyon Rank: 2

800xA > _Other, DCS in general > Communication > OPC, DCS in general > Communication > Modbus, Safety Systems > _Other

1

answer

0

votes

57

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Configure AC450 as a modbus slave with CI532

Answered 5 months ago by WvanWees AKS expert

Rank: 7

DCS in general > Communication > Modbus > Modbus RTU

1

answer

2

votes

54

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Modbus addressing between AC500 and non ABB HMI

Commented 5 months ago by nitin1107 Rank: 183

PLC Automation, DCS in general > Communication > Modbus

2

answers

2

votes

78

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Modbus TCP to OPC

Commented 5 months ago by Tomas Rank: 509

DCS in general > Communication > OPC > OPC server, DCS in general > Communication > Modbus > Modbus TCP

1

answer

1

votes

123

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How to read 64bit data from modbus reciving 2 registers with dint ?

Commented 6 months ago by kamil.herman Rank: 32

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

3

answers

0

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87

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read separate registers in modbus

Commented 6 months ago by Tomas Rank: 509

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication > Modbus

1

answer

0

votes

133

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Modbus TCP Connection Down -7001

Answered 7 months ago by Kornelo Rank: 479

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

1

answer

0

votes

39

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Need configuration settings for Modbus in S+ Operations 2.0.4

Answered 7 months ago by frqahmed Rank: 490

DCS in general > Communication > Modbus > Modbus TCP, Symphony Plus

3

answers

0

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45

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I need read 3 value from each slave from existing protocol

Answered 7 months ago by inammel Rank: 63

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

2

answers

1

votes

156

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Modbus

Commented 8 months ago by arunvt1992 Rank: 670

PLC Automation, DCS in general > Communication > Modbus

1

answer

0

votes

78

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How to set up CI867 to third part device?

Answered 8 months ago by kstoilov AKS expert

Rank: 5

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

0

answers

0

votes

46

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Socket programming(tcp/ip) in automation builder 2.0 ,ac-500,PM583

Asked 8 months ago by nynarkumar Rank: 902

PLC Automation > AC500 > Applications > High Availability, DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

31

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Modbus communication between PLC and PIC32MX problem

Answered 9 months ago by Titus AKS expert

Rank: 6

PLC Automation > _Other, DCS in general > Communication > Modbus

1

answer

0

votes

26

views

Modbus issues after upgrade of Freelance (v8.1 -> 2016)

Answered 7 months ago by DanoGeorge Rank: 2938

Freelance, DCS in general > Communication > Modbus

5

answers

0

votes

236

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

124

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AC500 MODBUS on PM564 com2

Answered 11 months ago by rahilmohammed Rank: 57

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

1

answer

0

votes

65

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AC500 Modbus Master Receiver to variable %MW0.X

Answered 11 months ago by kstoilov AKS expert

Rank: 5

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

1

answer

2

votes

197

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ETH_MOD_MAST Limitations.

Answered 11 months ago by ak Rank: 212

PLC Automation > AC500 > _Other, DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

47

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Ref542plus => Modbus board

Answered 11 months ago by ATP AKS expert

Rank: 25

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

0

answers

0

votes

25

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Modbus Registers in RVG200

Asked 1 year ago by algarellano Rank: 2442

DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

votes

24

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

Commented 11 months ago by Emil Lopez Rank: 2006

DCS in general > Communication > Modbus > Modbus RTU

2

answers

4

votes

1009

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Termination resistor for modbus rtu

Commented 1 year ago by arunvt1992 Rank: 670

DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

53

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REF542 ModbuS and AC800M

Commented 12 months ago by MAHBOUB-MANAF Rank: 1453

DCS in general > Communication > Modbus > Modbus TCP, Power Automation > Protection & control IEDs > _Other

3

answers

3

votes

123

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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

1

answer

1

votes

78

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AC500 MODBUS RTU ERROR 3003

Commented 1 year ago by arunvt1992 Rank: 670

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

3

answers

0

votes

614

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AC500 Modbus RTU Slave, adresses for input/output

Commented 1 year ago by kstoilov AKS expert

Rank: 5

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

1

answer

1

votes

64

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i want to communicate acs 880 using modbus rtu and ac800 m

Commented 1 year ago by VIPINGOYAL610 Rank: 273

Drives > AC drives > _Other, DCS in general > Communication > Modbus

1

answer

0

votes

200

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Modbus TCP Communication between Freelance 2013 AC700F and SM500F

Commented 1 year ago by Achim Briss Rank: 2672

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

1

answer

0

votes

403

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

3

answers

0

votes

111

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How many slave devices can be used in one CI853

Answered 1 year ago by AftabMemon Rank: 33

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

2

answers

3

votes

194

views

AC500-eco Modbus RTU With Automation Builder basic License

Commented 1 year ago by AbdelrazzaqHiasat Rank: 206

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

2

answers

2

votes

94

views

How many MFM meter can be connected to CI853

Answered 1 year ago by Vinoth Sankar Rank: 118

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

2

answers

0

votes

64

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Connect Modbus TCP to ABB Recorder SM1000

Answered 1 year ago by Titus AKS expert

Rank: 6

DCS in general > Communication > Modbus > Modbus TCP

2

answers

2

votes

38

views

Freelance Ac900F export problem

Answered 1 year ago by Dieter Henkel AKS expert

Rank: 12

Freelance, Freelance > Controllers > AC 900F, DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

40

views

Debugging CMS-600 Modbus communication

Answered 1 year ago by miikka.raninen Rank: 3294

DCS in general > Communication > Modbus > Modbus RTU

2

answers

0

votes

174

views

AC800M Controller as Modbus Slave

Commented 1 year ago by rajeesh.mariyodan Rank: 291

800xA > AC 800M > Processor modules > PM861, PM864, PM866, 800xA > Connectivities > 3rd party connectivity > _Other, DCS in general > Communication > Modbus

1

answer

0

votes

99

views

ABB Modbus time-out

Answered 1 year ago by Flavio Mussolin AKS expert

Rank: 4

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

0

answers

0

votes

63

views

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

Asked 1 year ago by rrk Rank: 321

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

0

answers

0

votes

131

views

What command to access CI532V09 for editing?

Asked 1 year ago by primapj.ep Rank: 3826

800xA, Legacy DCS > Advant Master > Fieldbus, DCS in general > Communication > Modbus

1

answer

0

votes

33

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Freelance 900F Modbus Communication

Answered 1 year ago by Deepak.S Rank: 27

Freelance > Controllers > AC 900F, DCS in general > Communication > Modbus

1

answer

1

votes

35

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Freelance 900F Modbus Communication

Answered 1 year ago by Bernd@GESAT Rank: 99

Freelance, Freelance > Controllers > AC 900F, DCS in general > Communication > Modbus

0

answers

0

votes

114

views

converting IEEE-754 64-bit to integer

Asked 1 year ago by SSK_01 Rank: 474

800xA, DCS in general > Communication > Modbus

2

answers

0

votes

172

views

Modbus TCP error code -7006 between CI867 and Unitrol AVR

Asked 1 year ago by mkingemann Rank: 458

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

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