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75
2018/03
RS Data/SCB Class (VSC 140)
This class contains 2 object instances, one for COM0 and one for COM1.
NOTE
Configuring and Parameterizing
contain detailed informa-
tion concerning parameters or process data and diagnostics.
Attr. no.
Attribute
name
G
et/
S
et
Type
Description
Dec.
Hex.
Value
1 0x01
Server
address
G/S
USINT
0…
255
Address of the connected Modbus RTU Servers
or
Start address of the first connected Modbus RTU
Server
default: 0x01
2 0x02
Number
reg./
server read
access
G/S
USINT
0…
12
Number of registers to be read
or
Number of servers from which data have to be
read
3 0x03
Number
reg./
server write
access
G/S
USINT
0…
12
Number of registers to be written
or
Number of servers to which data have to be writ-
ten
4 0x04
Read
access
G/S
USINT
0 deactivated
3
read holding registers (FC3)
4
read input registers (FC4)
23
read/write multiple registers (FC23)
128
Write extension
151
Multi server mode: read 1 holding registers (FC3)
132
Multi server mode: read 1 input register (FC 4)
151
Multi server mode: read/write 1 register (FC 23)
163
Multi server mode: read 2 holding registers (FC3)
164
Multi server mode: read 2 input register (FC 4)
183
Multi server mode: read/write 2 register (FC 23)
195
Multi server mode: read 3 holding registers (FC3)
4
0x04
Read access
G/S
USINT
196
Multi server mode: read 3 input register (FC 4)
215
Multi server mode: read/write 3 register (FC 23)
227
Multi server mode: read 4 holding registers (FC3)
228
Multi server mode: read 4 input register (FC 4)
247
Multi server mode: read/write 4 register (FC 23)