2. Installation, Piping, and Wiring
77
TI 11B08A01-01E
2.3.4
Connecting Power Cable and Grounding
CAUTION
•
Wire the power supply cable keeping the distance of 1 cm or more from other signal wires.
•
The power supply cable shall comply with UL or CSA.
•
Do wiring after securing protective grounding.
Use crimp-on terminals for all power cables and grounding (see Figure 2.20).
Use crimp-on terminals suitable for the cable core (see Table 2.8).
Lug length c
Insulation covering
inside diameter d
Hole
diameter
a
Lug outside
diameter b
Figure 2.20
Crimp-on terminal
Table 2.8
Size of crimp-on terminal
Nominal cross
sectional area
Screw
(mm)
Hole
diameter a
(mm)
Outside
diameter b
(mm)
Length c
(mm)
Insulation
covering inside
diameter d (mm)
Applicable
terminal*
5.5 mm
2
4
4 to 5
9.8 or less
25 to 29
5.8 or less
AMP 170785-1
JST 5.5-4
2.0 mm
2
4
4.3 or more 8.7 or less
approx. 21
5.8 or less
AMP 170782-1
JST V2-4
1.25 mm
2
4
4.3 or more 8.7 or less
approx. 21
5.8 or less
AMP 170782-1
JST V1.25-4
*:
AMP: Japan AMP Co., Ltd.
JST: JST Co., Ltd.
l
Power supply line to the protection system (A) (B)
The power supply to protection system A is used for both heater power and electric circuit power.
The power supply or protection system B is used only for heater power.
Connect the attached ferrite core for ATEX, IECEx or NEPSI.
Grounding must be wired.
Please do not forget to put protection-film cover, after wiring is finished.
Sep. 07, 2017-00