WAGO-I/O-SYSTEM 750
Function Description
95
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
0x0000
0x00
FF
0x0000
(0x0
2
00
)
00x0
FF
(0x0
2FF)
0x
6
000
0x
62F
C
0x
6
000
(0x
7
000
)
0x
62F
C
(0x
72F
C
)
PII = Process Input
Image
PIO = Process Output
Image
M
O
D
BU
S maste
r
PII
PI
O
I
/O
m
o
dules
I
n
puts
O
utputs
P
rogr
ammable Fieldbus
Con
t
ro
lle
r
Figure 43: Data exchange between MODBUS Master and I/O modules
Register functions start at address 0x1000. These functions can be addressed in a
similar manner with the MODBUS function codes that are implemented
(read/write).
The specific register address is then specified instead of the address for a module
channel.
Information
Additional Information
A detailed description of the MODBUS addressing may be found in Chapter
"MODBUS Register Mapping“.
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