Modbus questions & answers - Control Systems Application and Knowledge Store

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AC450 modbus redundancy (CI532V02 with MS)

Commented 1 day ago by JaG Rank: 1151

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

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answer

0

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20

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Error when reading from RVG200 recorder via Modbus/TCP

Commented 24 days ago by mschori Rank: 4984

DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

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70

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Modbus TCP problems in Freelance 2016

Commented 20 days ago by Dieter Henkel AKS expert

Rank: 12

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

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0

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37

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MODBUS TCP/IP between two PLC's AC500 V3, ETHx_MOD_MAST function block with code of error unknown (256)

Commented 27 days ago by ak Rank: 197

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

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0

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61

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

Answered 1 month ago by GeekSquad13 Rank: 4982

DCS in general > Communication > Modbus > Modbus RTU

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answer

0

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86

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How to read INPUT REGISTER address of a modbus slave device through COM_MOD_MAST.

Answered 1 month ago by ak Rank: 197

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

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0

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44

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ModbusTCP MBConn Error Code -7004

Commented 1 month ago by michelle.lim Rank: 1085

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

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answer

0

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87

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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 2 months ago by anthony.valverde Rank: 1462

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

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answers

1

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67

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Modbus TCP IP communication with Outotec PSI500I system

Answered 3 months 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

71

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MODBUS REDUNDANCY WITH CI853 ACTING AS SLAVE

Commented 3 months ago by prashant.verma Rank: 1181

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

1

answer

1

votes

97

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Modbus RS485 to Phoenix Contact Ethernet Converter to CI867 comms issue

Commented 4 months ago by Ben Merryman Rank: 461

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

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answer

0

votes

66

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ABB Videographic Recorder Not working with Modbus TCP/IP

Commented 6 months ago by jorge.garcia Rank: 4919

DCS in general > Communication > Modbus > Modbus TCP

2

answers

1

votes

80

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ci867 Ethernet card with ethernet to rs 485 converter

Answered 6 months ago by hpg Rank: 96

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

2

answers

1

votes

17

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Transfer some reading via FI820F Card

Answered 7 months ago by Reda Rank: 157

Freelance, DCS in general > Communication > Modbus

3

answers

4

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123

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OPC communication or MODBUS

Commented 6 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 7 months ago by WvanWees AKS expert

Rank: 7

DCS in general > Communication > Modbus > Modbus RTU

1

answer

2

votes

80

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Modbus addressing between AC500 and non ABB HMI

Commented 7 months ago by nitin1107 Rank: 189

PLC Automation, DCS in general > Communication > Modbus

2

answers

2

votes

80

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Modbus TCP to OPC

Commented 7 months ago by Tomas Rank: 501

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

1

answer

1

votes

126

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

Commented 8 months ago by kamil.herman Rank: 27

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

3

answers

0

votes

118

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read separate registers in modbus

Commented 8 months ago by Tomas Rank: 501

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

1

answer

0

votes

143

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Modbus TCP Connection Down -7001

Answered 9 months ago by Kornelo Rank: 477

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

1

answer

0

votes

42

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Need configuration settings for Modbus in S+ Operations 2.0.4

Answered 9 months ago by frqahmed Rank: 396

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

3

answers

0

votes

45

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I need read 3 value from each slave from existing protocol

Answered 9 months ago by inammel Rank: 62

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

2

answers

1

votes

174

views

Modbus

Commented 10 months ago by arunvt1992 Rank: 628

PLC Automation, DCS in general > Communication > Modbus

1

answer

0

votes

81

views

How to set up CI867 to third part device?

Answered 10 months ago by kstoilov AKS expert

Rank: 5

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

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answers

0

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50

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

Asked 10 months ago by nynarkumar Rank: 913

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

1

answer

0

votes

31

views

Modbus communication between PLC and PIC32MX problem

Answered 11 months ago by Titus AKS expert

Rank: 6

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

1

answer

0

votes

27

views

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

Answered 9 months ago by DanoGeorge Rank: 2996

Freelance, DCS in general > Communication > Modbus

5

answers

0

votes

280

views

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

Answered 11 months ago by Kevin.zhu Rank: 2606

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

3

answers

0

votes

133

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

79

views

AC500 Modbus Master Receiver to variable %MW0.X

Answered 1 year ago by kstoilov AKS expert

Rank: 5

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

1

answer

2

votes

240

views

ETH_MOD_MAST Limitations.

Answered 1 year ago by ak Rank: 197

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

1

answer

0

votes

56

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Ref542plus => Modbus board

Answered 1 year 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

views

Modbus Registers in RVG200

Asked 1 year ago by algarellano Rank: 2485

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 1 year ago by Emil Lopez Rank: 2037

DCS in general > Communication > Modbus > Modbus RTU

2

answers

4

votes

1394

views

Termination resistor for modbus rtu

Commented 1 year ago by arunvt1992 Rank: 628

DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

55

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REF542 ModbuS and AC800M

Commented 1 year ago by MAHBOUB-MANAF Rank: 1479

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

3

answers

3

votes

181

views

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

Commented 1 year ago by ak Rank: 197

DCS in general > Communication > Modbus > Modbus RTU

1

answer

1

votes

81

views

AC500 MODBUS RTU ERROR 3003

Commented 1 year ago by arunvt1992 Rank: 628

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

3

answers

0

votes

719

views

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

65

views

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

Commented 1 year ago by VIPINGOYAL610 Rank: 275

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

1

answer

0

votes

206

views

Modbus TCP Communication between Freelance 2013 AC700F and SM500F

Commented 1 year ago by Achim Briss Rank: 2717

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

1

answer

0

votes

446

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

128

views

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

214

views

AC500-eco Modbus RTU With Automation Builder basic License

Commented 1 year ago by AbdelrazzaqHiasat Rank: 192

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

2

answers

2

votes

96

views

How many MFM meter can be connected to CI853

Answered 1 year ago by Vinoth Sankar Rank: 119

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

2

answers

0

votes

65

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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

39

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

44

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Debugging CMS-600 Modbus communication

Answered 1 year ago by miikka.raninen Rank: 3359

DCS in general > Communication > Modbus > Modbus RTU

2

answers

0

votes

177

views

AC800M Controller as Modbus Slave

Commented 1 year ago by rajeesh.mariyodan Rank: 296

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

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