Wiring Procedure to the Power Supply Terminal (When the Suffix Code of the
Power Supply and Power Cord Is W)
WARNING
• Set up a switch on the power supply line that shuts off the main power supply to
the instrument. Also, include an ON/OFF indicator with the switch as well as a
label that identifies the switch as the power shut down switch.
Switch specifications
Steady state current rating: 3 A or more
Inrush current rating: 80 A or more
Conforms with IEC60947-1 and -3
• Connect a fuse of 2 A to 15 A to the power supply line.
• Do not insert a switch or fuse on the ground line.
1. Check that the power switches to the power supply and main module are turned OFF.
2. Loosen the power terminal cover attachment screws on the main module and open
the terminal cover.
3. Wire the power supply cord and protective grounding cord to the power supply
terminal as shown in the figure below.
Use round crimp-on lugs with isolation sleeves (for 4 mm screws) for the power cord
and protective ground cord terminals.
4. Close the
power supply terminal cover and secure it with the screw.
Power cord
Protective grounding cord
Power supply terminal cover
Protective grounding cord
Power cord
crimp-on lugs
with isolation
sleeves
L N
2.5 Power Connection and ON/OFF
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