schmersal PSC1 Series Installation Manual page 46

Installation manual
4.2.1.3.2 Digital inputs I/O (IQIx)
Digital inputs Achievable
Performance Level
IQIx
Note:
The achievable PL for a combination of hardware inputs and functional inputs is dependent on
the operative/organisational tests selected and the independence of the two channels in the
system layout. An application-related analysis is required to determine the PL.
HB-37350-810-01-38F-DE PSC1-C-10 Installation manual V1.1.docx
Version: 38F
Remark
Without pulse, single-channel static signal
-> Signal input
Without pulse, dual-channel static signal
- At least one demand/day due to
PL e
application
- Fault detection only on demand
Without pulse, dual-channel static signal
PL d - Less than one demand/day due to
application
Single-channel with pulses
- Predominantly high level required (T
100 * T
PL e
- At least one demand/day due to
application
- Fault detection only on demand
Single-channel with pulses
PL d
- Less than one demand/day
PL e Dual-channel with pulse 1 and pulse 2
)
Low
Page 46 of 177
>
High