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4.
Modbus TCP Register Map
The following chapter shows how to generally access data of the FBP-devices connected to
port one to port four of the MTQ22-FBP.
Information
Modbus TCP counts registers beginning with one. But on the bus registers start
counting from zero. The addresses in this manual describe the addresses that are
transmitted on the network. Depending on your client application it might be nec-
essary to increment all addresses by one.
The I/O-data as well as diagnostic and configuration data of the connected PSE devices can
be accessed applying the supported Modbus function codes. The supported functions can be
found in respective sub section.
4.1.
Digital Input Telegram
To read the digital input telegram, use Modbus function code 1
Read Coil Status or 2 Read Discrete Inputs.
Address for data access to device connected
to port
1
1000h
1001h
1002h
1003h
1004h
1005h
1006h
1007h
1008h
1009h
100Ah
STATUS
Approved
© Copyright 2019 ABB. All rights reserved.
2
3
1010h
1020h
1011h
1021h
1012h
1022h
1013h
1023h
1014h
1024h
1015h
1025h
1016h
1026h
1017h
1027h
1018h
1028h
1019h
1029h
101Ah
102Ah
SECURITY LEVEL
Public
Data
4
1030h
Reserved
1031h
Stop
1032h
Run
1033h
Reserved
1034h
Reserved
1035h
Auto mode1
1036h
Fault
1037h
Reserved
1038h
Reserved
1039h
DI_FBP_Trip
103Ah
DI_FBP_Local
DOCUMENT ID.
1SFC132374M0201
F I ELD BU S CO MMU N ICAT ION
Description
0 = Motor running
1 = Motor stopped
0 = Motor stopped
1 = Motor running
0 = Local control
1 = Modbus master con-
trol
0 = No active fault
1 = One or more active
faults
0 = No trip on DI_FBP
adaptor
1= Trip on DI_FBP adaptor
0 = Remote control
1 = Local control
REV.
LANG.
PAGE
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en
15/23
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