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6.3.
Wiring
！
WARNING
Be certain that wiring complies with all local codes. If you have questions, consult
the authority having jurisdiction before wiring the system.
6.3.1. Specification
Figure 4 - Terminal Board external view
The diameter of usable wiring is as follows.
Wiring Diameter : (Minimum) 0.2mm
Case of AWG
The screws must be tightened down with a torque 0.5 to 0.6 N•m.
The environmental specification of the cable should be sufficient to withstand the surrounding
environment.
6.3.2. Procedure
1 ) Install the base according to "6.2 Mounting", and complete the installation of the system conduit.
Insert the external cable within the base and close the unused NPT1/2 or M20 entry with the
plug (See Figure 5). Conductor insulation of external wiring should be stripped off with a bare
conductor length of about 0.3 inch (7 mm)
Table 3 shows the pin assignments of the terminal blocks
CN4 and CN5 (See Figure 4 for exterior view).
2
: (Minimum) 24
Figure 5 - Install Base
Table3 - Pin assignments of Terminal Board
Pin No
Function
1
+24V
2
0V
3
Alarm contact-Normal Open
4
Alarm contact-Common
5
Trouble contact-Normal Close
6
Trouble contact-Common
(Maximum) 2.5mm
2
(Maximum) 12
7／13
ES1666
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