Festo CPX-F8DE-P Manual page 63

1. System overview CPX-F8DE-P
Festo P.BE-CPX-F8DE-P-E N en 1610a English
Function mode 6 – 1oo2 T (equivalent, with clock
signal monitoring)
Signal evaluation of a two-channel switch/sensor (internal
equivalent) per channel pair with individually switched power
supply.
Circuit diagram
Tab. 1/21: Function mode 6 – 1oo2T
This function mode detects short circuits and cross-circuiting
in the sensor wiring.
This function mode is especially well suited to applications
that expect fast reactions (e.g. emergency stop, certified
switches/sensors).
Note
Safety-related evaluation only with the following connec­
tion blocks:
– CPX-M-AB-4-M12X2-5POL-T
– CPX-AB-8-KL-4POL.
Functional safety
– up to PL e, Cat. 3 / SIL 2
with certified switch/sensor of suitable safety category
Channel pair ports
T0 T2 T4
E1 E3 E5
0 V
E0 E2 E4
T1 T3 T5
T6
E7
E6
T7
1-31