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Warning – Yokogawa Standalone MW100 User Manual

Page 108

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2-20

IM MW100-01E

2.5 Connecting the Power Supply and Turning the

Power Switch ON and OFF

Connections with the Power Cord (Power Supply and Power Cord Suffix Code -1c*)

* c is D, F, R, Q, or H.

WARNING

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

supply source is turned OFF.

• To prevent shock or fires, only use the power cord supplied by Yokogawa

together with the MW100 Data Acquisition Unit.

• Make sure to perform protective earth grounding to prevent electric shock.

Connect the MW100 Data Acquisition Unit power cord into a three-prong
electrical outlet with a protective grounding terminal. The AC outlet must be of a
three-prong type with a protective earth ground terminal.

Also, do not use the functional ground terminal (see 2.2, “Installation” as a

protective ground terminal.

• Do not use an extension cord without protective earth ground. Otherwise, the

protection function will be compromised.

Use a power supply that meets the conditions indicated below.

Item

Specifications

Rated supply voltage

100 to 240 VACrms

Supply voltage range used

AC power supply, 90 to 250 VACrms

Rated supply voltage frequency 50/60 Hz
Allowable line frequency range 50/60 Hz ±2%
Maximum power consumption

Up to approximately 70 VA maximum when six modules are used

Note

Do not use a supply voltage in the range 132 to 180 VAC, as this may have adverse effects on
the measurement accuracy.

1.

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

2.

Connect the accessory power cord plug to the power connector of the MW100

Data Acquisition Unit.

3.

(Use the power cord that came with the package.) Connect the plug on the other

end of the power cord to the outlet that meets the conditions above. The AC outlet
must be of a three-prong type with a protective earth ground terminal.

Power switch

When the basic suffix code is -1D

3-prong outlet

Power connector

Power cord

(included in the package)