Communication
6.2 Cyclic Communication
Control Units CU240S
Operating Instructions, 07/2008 - FW 3.2, A5E00766042B AD
131
6.2.3
PROFIsafe Telegram Structure
Description
The fail-safe functions can be triggered via the fail-safe digital inputs FDI0 and FDI1 or via
PROFIsafe signals (see P9603 and 9803).
To use PROFIsafe for triggering the fail-safe functions the G120 GSD file must be installed
in the control system e.g. SIMATIC S7.
Input and output address, 6 byte each (input and otuput address are identical)
•
Byte 0 (process data 0), Bit 0:
STO
0 = selected
1 not selected
•
Byte 0 (process data 0), Bit 1:
SS1
0 = selected
1 not selected
•
Byte 1 (process data 1), Bit 0:
SLS
0 = selected
1 not selected
Table 6-8
Intput addresses for PROFIsafe signals
Address
Function
1
E 0.0
STO bit from inverter
2
E 0.1
SS1 bit from inverter
…
9
E 1.0
SLS bit from inverter
Table 6-9
Output addresses for PROFIsafe signals
Address
Function
1
A 0.0
STO bit to inverter
2
A 0.1
SS1 bit to inverter
…
9
A 1.0
SLS to from inverter