Warning – Yokogawa Standalone MW100 User Manual
Page 108
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)