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EtherNet/IP + Modbus TCP-Gateways
ModbusTCP
6.1.3
Fieldbus Bits
Note!
Available only with gateways with integrated safety monitor.
The fieldbus bits enable communication between the controller and the safety
program. The fieldbus bits can be used to pass any acknowledgment signals or
similar to the safety program and provide status information to the controller.
The states of the AS-i Safety in- and outputs are sent to the controller via the in-
put data image (see par. <Safety diagnostics in the Input Data Image (IDI)>).
Safety Fieldbus Bits (data for read/write access)
4 x
reference
bit value
„bit"
51
contact
read/write access
15
14
13
12
2
2
2
2
1
2
3
4
801 - 816
11
10
9
8
7
6
2
2
2
2
2
2
5
6
7
8
9
10
fieldbus bits
Tab. 6-11. Safety Fieldbus Bits (data for read/write access)
5
4
3
2
1
0
2
2
2
2
2
2
11
12
13
14
15
16
17
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