- 16 digital inputs with the following features configurable per channel:
- Pulse stretching
- Diagnostics
- Input delay
- Hardware interrupts for positive and negative edges
- Sink input (PNP, P‑lesend)
- Diagnostics configurable per module: no supply voltage L+
- Suitable for connecting switches and 2-wire sensors in accordance with IEC 61131‑2, type 1 and 3
| - 16 digital inputs with the following features configurable per channel:
- Pulse stretching
- Hardware interrupts for positive and negative edges
- Flutter monitoring
- Diagnostics for changeover contact sensor types
- Diagnostics configurable per channel, even in changeover contact operation
- Diagnostics configurable per module: no supply voltage L+
| - Eight digital inputs isolated from the backplane bus and supply voltage L+/ M grouping 8
- Digital inputs with the following features configurable per channel:
- Diagnostics
- Input delay
- Hardware interrupts for positive and negative edges
- Rated input voltage range 24 V to 125 V DC
- Diagnostics configurable per module: no supply voltage L+
- Suitable for connecting switches and 2-/3-/4-wire sensors in accordance with IEC 61131, type 1 and 3
| - 8 isolated digital inputs in four groups (A to D) of two channels
- Suitable for connecting switches and 2-wire sensors in accordance with IEC 61131, type 3
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