Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Bedienungsanleitung Seite 53

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Publication 1760-UM002B-EN-P - March 2005
Installation 2-19
1760-IB12XOB8 Expansion Module
Figure 2.19 Power supply on the DC expansion units
Cable Protection
Provide cable protection (F1) for at least 1A (slow).
IMPORTANT
The module is protected against polarity reversal. To ensure
that module works correctly, ensure that the polarity of
each terminal is correct.
IMPORTANT
When the expansion I/O or the GFX is switched on for
the first time, its power supply circuit behaves like a
capacitor. Use a suitable device for switching on the power
supply and do not use any Reed relay contacts or proximity
switches.
0V0V24V
L01-
F1
L01+
24 V
E+
E-
R1
...
R12
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