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75
Wiring and Connections
Section 3-4
The surge protector’s components should have the following ratings:
The diode should satisfy the following requirements:
Peak reverse-breakdown voltage must be at least 3 times the load voltage.
Average rectified current must be 1 A.
Inrush Current Considerations
When a CPM2C-S transistor output is used to switch a load with a high inrush
current such as an incandescent lamp, suppress the inrush current as shown
below.
Fuse Insertion
The CPM2C-S with transistor output may burn if the load is short-circuited,
therefore, insert a protective fuse in series to the load.
3-4-7
Wiring CompoBus/S Transmission Lines
Use special flat cable or VCTF cable for the transmission lines that connect
the nodes in the CompoBus/S I/O Link. (Special flat cables, 2-core VCTF
cables, and 4-core VCTF cables cannot be used in the same system. Use
only one type of cable in the same system.)
Use the following procedure to wire the CompoBus/S communications cables.
1,2,3...
1.
Strip off the length of wire insulation recommended for the crimp connec-
tors being used and tightly twist the bare wire strands together.
OUT
COM
CPM2C-S
Diode
Transistor Output
(Sinking)
OUT
COM
CPM2C-S
Diode
Transistor Output
(Sourcing)
R
R
Countermeasure 1
Providing a dark current of
approx. one-third of the rated
value through an incandescent
Countermeasure 2
Providing a limiting resistor
OUT
COM
OUT
COM
lamp
Name
Model number
Specifications
Special Flat cable
SCA1-4F10
Special flat cable, 0.75 mm
2
×
4 cores
VCTF cable
---
VCTF cable according to JIS C3306,
0.75 mm
2
×
2 cores or 0.75 mm
2
×
4 cores
Содержание CPM2C-S100C
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