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Referring to 5.2 "External Connections," connect each cable to the terminal block. Tighten the screws
of the terminal block tightly to make them securely connected. A loose connection may cause incorrect
measurement. After connecting each cable, try to pull it to check whether it has been connected
securely.
Phillips screwdriver
Terminal block
* The appropriate torque
for tightening the terminal
block screw is 1.2 N m
Figure 5.7 Connection to Terminal Block
After connecting the cables to the terminal block, take up the slack of the cables and tighten the cap
nut.
At this time, be careful that if the sheath-removed portion of the cable comes to the packing area, air
tightness may not be kept.
Cable connection
Cap nut for tightening
Cable
Packing
Correct
Because the contact
surface of the cable
and the packing is
small, air tightness
may not be kept.
Incorrect
Cable connection
Figure 5.8 Cable Tightening