User`s manual
5-5
5-3 Installation of power supply module
Power supply module JW-303PU/301PU/31PU/33PU are installed by basic/expansion rack panel.
Be sure to install the power supply module on the basic rack panel. Total consumption current of the
power supply module is 3.5 A or less when JW-301PU/31PU/22PU is used, and 4.5 A or less when JW-
303PU is used. (See page 7-1 to 3)
Install a power supply module in any of the cases below:
1. When the total consumption current of the power supply module exceeds 3.5 A when JW-301PU/
31PU/22PU is used, or 4.5 A when JW-303PU is used.
2. When using JW-25EC/210EC, JW-3EC/10EC/20EC/30EC/50EC, in the I/O expansion cable.
Furnish each expansion rack panel with power supply module.
3. When the total length of I/O expansion cable between expansion rack panel covered by the current
capacity of one power supply module exceeds 2.1 m.
[Installation procedure]
1) Keep at the back of the module retention rib hanging on the inserting hole and push the whole
body of the power supply module to the panel.
2) Tighten module retention screw in upper part of the power supply module using a Phillips screwdriver.
Fasten the screw with a torque of less than 1.47 N-m.
Partition plate
or control panel
Basic rack panel
Module inserting
guide
Basic/expansion
rack panel
Power supply module
Phillips
screwdriver
Module
retention
screw
Inserting hole
of module
retention rib
Module
retention rib
Power supply
module
- After connecting wires to the 5 V terminal block on the basic/expansion rack panel, and after
selecting the rack number for the expansion rack panel, install the JW-303PU on the rack panel.
■ Installing in expansion rack panel (JW-34ZB)
Note
226110
130
Rack No. switch
(Expansion rack panel only)
5V terminal block
99.8
55
N
L
POWER
RUN
JW-33PU
HALT
100-240VAC
(24VDC)
1A
OUTPUT
GND
POWER
100-240VAC
INPUT
JW-34ZB
［
Unit : mm
］