Wiring
-18-
4.2 Wiring of the Power Input Port
The power input terminal includes three pluggable pins spaced at 5.08 mm. You can use a spring to
crimp the wire onto the terminal, thus facilitating wiring, replacement, and maintenance on site. The
following figure shows how to insert the power cable connector into the power input port:
Definition of the power input terminals
Terminal
No. Name Type
Function
1
Grounding Enclosure PE
2 0 V Input
Negative DC input
terminal
3 +24 V Input
Positive DC input
terminal
Specifications of the input power supply
No. Item
Specifications
1
Input voltage
24 VDC (–15% to +20%)
2 Input current 4 A
3
Brown-out detection threshold
18 V
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