Installation manual
PSC1-C-10 Installation manual V2.6
Page 76 of 173
Version: 57E
4.3.5
Digital outputs I/O (IQQx)
The expansion modules PSC1-E-31-
… and PSC1
-E-33-
… have configurable safe digital I/O (see section
3.1 Module overview). Configured as an output, this connection acts as a safe digital pp switching
output (IQQx).
4.3.5.1
Classification of the I/O (IQQx) on usage as an output
Classification
Achievable PL
according to
EN ISO 13849-1
Remark
Static single-channel
2)
PL c
-
Fault detection and fault reaction as per
sec. 2
Static dual-channel
2)
PL d
Same group
1)
:
-
Operation delayed at PLC level
-
Fault assumption short-circuit on both
outputs
Different group
1)
:
-
No further requirement necessary
PL e
Different group
1)
Dynamic single-channel
2)
PL e
No further requirement necessary
Dynamic dual-channel
2)
Note:
1)
Group 1:
IQQ00 … IQQ05
Group 2:
IQQ06 … IQQ09
2)
Static:
No pulse test on the output
Dynamic:
Pulse test on the output with t
Test
≤ 500 µs
