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Connecting the inputs
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02/16 MN05013001Z EN
Connecting easy DC digital inputs
Use input terminals IS1 to IS14 to connect pushbutton
actuators, switches or 3 or 4-wire proximity switches. Given
the high residual current, do not use 2-wire proximity
switches. Monitored inputs on the basic unit are fed by test
signal outputs T1 to T4.
Input signal voltage range
• IS1 to IS14 and R1 to R12.
– Off signal: -3 to 5 V.
– On signal: 15 to 28.8 V
Input current:
• IS1 to IS14: 5.7 mA at 24 V
• R1 to R12: 3.3 mA at 24 V
h
Feed the digital inputs from the same 24 V DC power
source as the device.
If the feed cables have to be monitored, use the test signal
outputs as shown in the following figure 11. See also
section “Connecting test signal outputs” on page 57.
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