Rockwell-automation 1760-xxxx Pico Controller User Manual Instrukcja Użytkownika Strona 41

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Publication 1760-UM001D-EN-P - September 2005
Installation 2-17
To limit the current to 400 mA, connect a 1K resistor in series
upstream from the circuit as shown.
.
Connect 24 V dc Inputs
Use input terminals I1 to I8 (or I12 for 18-point Pico) to connect
push-buttons, switches, or 3- or 4-wire proximity switches. Given the
high off-state leakage current, do not use 2-wire proximity switches.
Example Using 1760-L12BWB-xx
Input Specification
Input Signal Voltage Range OFF signal: 0 to 5V dc
ON signal: 15V to 28.8V dc
Input Current I1 to I6, I9 to I12, R1 to R12: 3.3 mA at 24V dc
I7 and I8: 2.2 mA at 24V dc
L1
1A
L2
L1 L2 I2 I3 I4 I5 I6 I7 I8I1
100 to 240V ac
50/60Hz
Inputs x 100 to 240V ac
100 nF, 275V ac capacitor
1K
0.25W
resistor
24V dc
+24 V COM I2 I3 I4 I5 I6 I7 I8I1
Inputs x 24V dc (I7,I8 0 to 10V)
+24V
0V
1A
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