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Yokogawa Standalone MW100 User Manual

Page 109

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2-21

IM MW100-01E

Installation and W

iring

1

2

3

4

5

App

Index

Wiring the Power Supply Terminal (Power Supply and Power Cord Suffix Code -1W)

WARNING

• To prevent the possibility of electric shock when wiring, confirm that the power

supply source is turned OFF.

• Furnish a switch (double-pole type) to separate the unit from the main power

supply in the power supply line. Also, include an ON/OFF indicator with the
switch as well as a display that acts as a power supply shut down for the
instrument.
Switch specifications

Steady state current rating: 3 A or more

Inrush current rating: 100 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.

Use a power supply that meets the conditions indicated in “Connections with the Power
Cord (Power Supply and Power Cord Suffix Code -1c*)” on the previous page.

1.

Check that the power supply and the power switch of the main module is OFF.

2.

Loosen the screw fixing the power supply terminal cover of the main module in

place and open the power supply terminal cover.

3.

Connect the power cord and the protective ground cord to the power supply

terminals according to 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.

DATA ACQUISITION UNIT

100 - 240V AC

Power cord

Power cord

Protective grounding cord

Protective

grounding cord

Power supply

terminal cover

100 - 240V AC

L N

2.5 Connecting the Power Supply and Turning the Power Switch ON and OFF