Pepperl+Fuchs AS-i Compact Manual page 21

EtherNet/IP + Modbus TCP-Gateways
ModbusTCP
Coding the status byte
Bit 0
0
1
Bit 1
0
1
Bit [2 ... 3] Description (only if clamping terminals
0
1
2
3
Bit 4
0
1
Bit [5 ... 7] Reserved
Description
Depending on byte 
SI 1/3/5 or SO 1/3/5 Off
Depending on byte 
SI 1/3/5 or SO 1/3/5 On
Description
Depending on byte 
SI 2/4/6 or SO 2/4/6 Off
Depending on byte 
SI 2/4/6 or SO 2/4/6 On
are used as a safety input)
Color of the associated safety-relevant
component: red, green or gray
Color of the associated safety-relevant
component: yellow ("wait")
Color of the associated safety-relevant
component: yellow flashing ("test")
Color of the associated safety-relevant
component: red flashing ("error")
Description
Clamping terminals configured as 
outputs or standard inputs
Clamping terminals configured for saf-
ety-relevant input
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