Assignment For Register Communication - WAGO -I/O-SYSTEM 750 Series Manual
Fieldbus independent i/o modules,
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26 •
750-655 [AS-Interface master module]
Process image
Byte
Overflow
AS-I
AS-Interface
power
Mapping
consistency
cnf mode
mbx
General fault
(config error)
The status of the AS-Interface master module is indicated by the bits 2
and 2
The superimposition of the mailbox is acknowledged by the bus module with
bit 2
Process data communication is acknowledged by the bus module with bit 2
the status byte.
2.1.1.7.2.2
Assignment for register communication
With register communication, the control and status bytes are assigned as
follows:
Byte
R/W
7
6
2
2
1
0
gen.
fault
0 AS-Interface complete on internal bus
1 AS-Interface incomplete on internal bus (timing)
0 AS-Interface active
1 AS-Interface not active
0 AS-Interface supply OK and 24 V supply OK
1 AS-Interface supply fault or 24 V supply fault
0 AS-Interface complete on internal bus
1 AS-Interface incomplete on internal bus (mapping)
0 Protected operating mode
1 Set-up mode
0 Mailbox suppressed
1 Mailbox superimposed
0 No fault
1 Configuration error or at least one of the status bits 1 or 2
6
in the status byte.
5
in the status byte.
7
6
2
2
1
1
R/W
0 Read access
1 Write access
Status byte
5
4
3
2
2
2
mbx
cnf
Map-
mode
ping
con-
sist-
ency
Control byte
5
4
3
2
2
2
Register number
2
1
0
2
2
2
AS-
AS-I
Over-
inter-
flow
face -
power
2
1
0
2
2
2
WAGO-I/O-SYSTEM 750
0
4
to 2
7
in
I/O Modules
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