FnIO module 4-channel digital input module, positive logic, 12 VDC/ 24 VDC ST1214
records binary control signals from the field, e.g. from sensors, encoders, switches or proximity switches.
Delisting
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- The digital input module has 4 channels in 2- and 3-wire connection technology.
- The digital input module records binary control signals.
- A filter with a time constant of 1.5 ms is connected upstream of the input channels to suppress interference.
- The signal status of the channels is indicated by one green status LED per channel.

The 4-channel digital input module has 4 channels in 2-/3-wire connection technology with a width of only 12 mm.
It records binary control signals from the field, e.g. from sensors, encoders, switches or proximity switches.
The module has a removable connection level (terminal blocks) which enables the direct connection of single-wire conductors.
Each input channel is preceded by an RC filter with a time constant of 1.5 ms for interference suppression.
The signal status of each channel is indicated by a green status LED.
Power supply:
Via system voltage 5 VDC
Power consumption:
max. 35 mA at 5 VDC
Cross sections:
I/O cable max. 2 mm²
Connection technology:
Removable connection level (terminal blocks)
Dimensions (WxHxL):
12 mm x 99 mm x 70 mm
Operating temperature:
-20 °C to 60 °C
Operating altitude:
max. 2,000 m
Assembly:
DIN rail
Number of inputs:
4 channels positive logic (positive switching)
Indicators:
4 x green for status, 1 x green/red for FnBus status
Signal voltage (0):
max. 5 VDC
Signal voltage (1):
24 VDC typical, min. 10.2 VDC to max. 28.8 VDC
Input current (1):
max. 6 mA/channel at 28.8 VDC
Input signal response time:
max. 3 ms
Input impedance:
5.1 kOhm

Configuration software for FnIO modules
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