Note: The input, alarm, and contact input terminal blocks can be removed to facilitate wiring. Because
the terminal block is connected by connectors, it can be removed easily by loosening two
screws.
Terminal block
Mounting screws
Handling Precautions
・
The thermocouple input terminal block cannot be repositioned or replaced with a terminal block for
another instrument. Measurement error will occur.
・
Before mounting or dismounting a terminal block, turn off the external power switch to prevent the
electrical circuits from being damaged.
3.5. Wiring of Power and Protective Ground Terminals
(1) Power and protective ground terminals
100-240VAC 50/60Hz 65VA MAX
Power terminals
L
N
Protective
ground
terminal
(2) Connection of power terminals
For connection to the power terminals, use a 600 V PVC-insulated cable terminated by crimp
terminals with insulating sleeve.
Note: Use a cable conforming to the standards below.
IEC
227-3
ANSI/UL817
CSA
C22
.2 No. 21 and No. 49
(3) Connection of protective ground terminal
Be sure to connect this terminal to the protective ground of the power supply facility. For this
connection, use a cable terminated by a crimp terminal with an insulating sleeve.
• Ground wire: copper, 2 mm
2
or more in cross-sectional area (green/yellow)
Handling Precautions
・
To prevent electric shock, attach the terminal cover after wiring.
9