Modbus questions & answers - Control Systems Application and Knowledge Store

1

answer

1

votes

20

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Direct Connection Between Compact HMI and MODBUS RTU Device

Answered 1 day ago by Ingo AKS expert

Rank: 29

Compact Product Suite > Operations > Compact HMI > _Other, DCS in general > Communication > Modbus > Modbus RTU

2

answers

2

votes

79

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double word by modbus

Commented 11 days ago by ythant Rank: 2762

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

1

answer

1

votes

44

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Freelance MBTCP_M.Conn

Commented 1 month ago by Dieter Henkel AKS expert

Rank: 10

Freelance > Fieldbus > _Other, DCS in general > Communication > Modbus > Modbus TCP

2

answers

1

votes

52

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AC900F Modbus TCP Reconnect delay after CPU switchover

Commented 1 month ago by ulrich.topp Rank: 1676

Freelance > Fieldbus > _Other, DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

44

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MBWrite Status -7001, Error occurs when the variable value becomes negative.

Answered 1 month ago by Neeraj Rank: 573

PLC Automation, DCS in general > Communication > Modbus

3

answers

0

votes

84

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We have a Modbus mapping list for a flow computer .

Answered 2 months ago by ParthibanT Rank: 43

800xA > Applications > _Other, DCS in general > Communication > Modbus

1

answer

2

votes

55

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AC800M Modbus: Use same Modbus FB the read / write different registers

Commented 2 months ago by epelt Rank: 1916

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

3

answers

0

votes

106

views

Modbus Float registers

Answered 2 months ago by ParthibanT Rank: 43

DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

votes

73

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AC800M as Modbus Slave and Modscan as Modbus master

Commented 2 months ago by Neeraj Rank: 573

PLC Automation, DCS in general > Communication > Modbus

0

answers

0

votes

44

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FENA-11 Modbus TCP adapter

Commented 3 months ago by ParthibanT Rank: 43

DCS in general > Communication > Modbus > Modbus TCP

0

answers

0

votes

40

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FENA-11 Modbus TCP adapter

Asked 3 months ago by monther.khalifah Rank: 3518

Power Automation > Solar inverter > _Other, DCS in general > Communication > Modbus > Modbus TCP

1

answer

1

votes

77

views

PLC AC500 V3 MODBUS TCP

Answered 3 months ago by mahendra.g-patgar Rank: 227

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

1

answer

0

votes

54

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Support Modbus RTU Function Code 22

Answered 4 months ago by rahil.m Rank: 1075

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

1

answer

0

votes

105

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AC500 communication float or double data type with Modbus TCP/IP (ETH_MOD_MAST or other block)

Commented 4 months ago by Amal Rank: 88

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

1

answer

1

votes

67

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Modbus Addressing in CHMI

Commented 4 months ago by Amal Rank: 88

Compact Product Suite > Operations > Compact HMI, 800xA, DCS in general > Communication > Modbus > Modbus TCP

2

answers

0

votes

82

views

Modbus TCP IP Communicaiton in CHMI

Commented 4 months ago by kstoilov AKS expert

Rank: 5

DCS in general > Communication > Modbus > Modbus TCP, PLC Automation > AC500-eCo > Processor modules > PM554, PM555, PM556

1

answer

0

votes

63

views

CI867 card going unresponsive with all LED indication off and communication failure

Answered 4 months ago by ParthibanT Rank: 43

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

0

answers

0

votes

129

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Modbus TCP/IP -PLC connect

Commented 4 months ago by Amal Rank: 88

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

2

answers

0

votes

83

views

Writing to Siemens PLC via modbus using Function Code 6 breaks modbus communication

Answered 5 months ago by kstoilov AKS expert

Rank: 5

DCS in general > Communication > Modbus > Modbus TCP

3

answers

0

votes

69

views

Modbus MBRead Status is changing in between o and 1

Answered 5 months ago by RPM Rank: 39

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

0

answers

0

votes

17

views

ABB Upscale DPA Modules Time Sync

Asked 5 months ago by iliatenn Rank: 3347

DCS in general > Communication > Modbus > Modbus TCP

2

answers

0

votes

64

views

MBTCPRead status of -7006 with GE Multilin 339 Relay

Answered 5 months ago by RPM Rank: 39

800xA > _Other, DCS in general > Communication > Modbus > Modbus TCP

3

answers

5

votes

151

views

How enable Modbus TCP in ABB AC800M controller to enable communication to scada?

Commented 3 months ago by veerendrap Rank: 1511

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

0

answers

0

votes

95

views

MODBUS TCP IP

Commented 6 months ago by kstoilov AKS expert

Rank: 5

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

1

answer

1

votes

55

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mapping Modbus RTU between ABB UNO 3.3 and React-MTR-1PH

Commented 6 months ago by jm.torres Rank: 5118

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

1

answer

0

votes

38

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8211 timeout error in Modbus rtu

Answered 6 months ago by Amal Rank: 88

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

1

answer

1

votes

69

views

Modbus RTU not getting values

Commented 6 months ago by Amal Rank: 88

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

0

answers

0

votes

31

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PROBLEM IN LOCAL_CTRL_ON IN PLC DURING MODBUS COMMUNICATION WITH VFD

Asked 7 months ago by VAP_Arun Rank: 562

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

1

answer

0

votes

73

views

PM710 and PM750 Modbus data reading issue

Answered 7 months ago by Rob Lyon Rank: 2

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

3

answers

0

votes

80

views

PLC Connect - Modbus TCP/IP Drive - Double HRA to Decimal Real Value

Answered 7 months ago by mcamargo Rank: 168

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

3

answers

0

votes

112

views

About PM866 Modbus RTU error code -7011 question

Commented 7 months ago by Chienweitu Rank: 1882

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

0

answers

0

votes

51

views

AC500, Modbus TCP/IP Server Configuration using Automation builder ver 2.2

Asked 7 months ago by m.f.mousa Rank: 4692

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

1

answer

0

votes

56

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Modbus register for Ekip UP

Commented 7 months ago by milosav.sekaric Rank: 3991

DCS in general > Communication > Modbus > Modbus TCP

0

answers

0

votes

58

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MODBUS VFD CONFIGURATION

Commented 7 months ago by kstoilov AKS expert

Rank: 5

Drives, PLC Automation > AC500 > Processor modules > PM581, PM582, PM583, PM585, DCS in general > Communication > Modbus

0

answers

0

votes

42

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CP600 Panel builder

Asked 7 months ago by Amal Rank: 88

DCS in general > Communication > Modbus > Modbus TCP, PLC Automation > Engineering > Automation Builder > Panel Builder 600, PLC Automation > AC500-eCo > Processor modules > PM554, PM555, PM556

0

answers

0

votes

76

views

Modbus TCP to OPC

Commented 7 months ago by Amal Rank: 88

DCS in general > Communication > Modbus > Modbus TCP, Safety Systems > _Other

1

answer

0

votes

94

views

modbus TCP/IP

Answered 8 months ago by mahendra.g-patgar Rank: 227

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

0

answers

0

votes

42

views

AC500 Modbus RTU bug with Coriolis FCB450

Asked 8 months ago by antonis.asimakopoulos Rank: 4295

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

2

answers

2

votes

240

views

Modbus TCP/IP

Commented 8 months ago by Amal Rank: 88

DCS in general > Communication > Modbus > Modbus TCP

2

answers

2

votes

56

views

ABB sm500 tcp ip comm ,no valid response as slave in modscan

Commented 8 months ago by rikiwijaya98 Rank: 1965

DCS in general > Communication > Modbus > Modbus TCP

0

answers

0

votes

30

views

modscan same issue sm500/rgv2000

Asked 8 months ago by rikiwijaya98 Rank: 1965

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

1

answer

1

votes

48

views

PI reads incorrect values from wall mounted ACS800's with older software versions

Commented 8 months ago by iliatenn Rank: 3347

Drives > AC drives > ACS800 series > ACS800 single drives, DCS in general > Communication > Modbus > Modbus RTU

2

answers

0

votes

125

views

PM866 controller is going to fault mode

Commented 8 months ago by RPM Rank: 39

800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > Processor modules > PM861, PM864, PM866, 800xA > Applications

0

answers

0

votes

108

views

Modbus TCP/IP

Commented 8 months ago by Amal Rank: 88

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

1

answer

0

votes

66

views

Need array to hold data for Information Manager Calculations service

Commented 8 months ago by kamil.herman Rank: 23

800xA > Applications > Information management > Information Manager, DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

80

views

Modbus Interface (CI534V02) got problem.

Answered 9 months ago by Jan-Erik Rask Rank: 80

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

2

answers

0

votes

75

views

CI534V02 - strange issue with "R" status (used with controller AC450)

Answered 9 months ago by Rob Lyon Rank: 2

DCS in general > Communication > Modbus > Modbus RTU

2

answers

1

votes

98

views

CI867 Data gets freezed

Answered 9 months ago by ParthibanT Rank: 43

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

1

answer

0

votes

29

views

Freelance v9.2 modbus

Commented 9 months ago by Randi Rank: 1436

Freelance, DCS in general > Communication > Modbus

3

answers

0

votes

204

views

Register Addressing for Modbus TCP/IP while using Access Variables

Answered 9 months ago by RPM Rank: 39

800xA > Engineering > _Other, Distribution Automation > _Other, DCS in general > Communication > Modbus > Modbus TCP

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