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4. Wiring
Warning
Turn the power supply to the instrument off before wiring or checking.
Working on or touching the terminal with the power switched on may result in
severe injury or death due to electrical shock.
4.1
Lead Wire Solderless Terminal
Use a solderless terminal with an insulation sleeve in which an M3 screw fits as shown
below.
The torque should be 0.63 N•m.
Solderless
Terminal
Manufacturer
Model
Y-type
Nichifu Terminal Industries Co., Ltd.
TMEV1.25Y-3
Japan Solderless Terminal MFG Co., Ltd.
VD1.25-B3A
Ring-type
Nichifu Terminal Industries Co., Ltd.
TMEV1.25-3
Japan Solderless Terminal MFG Co., Ltd.
V1.25-3
Y-type
Ring-type
(Scale: mm)
4.2
Circuit Configuration
SGB, SGBL
(Fig. 4.2-1)
SGBW
(Fig. 4.2-2)
Input
circuit
Output
circuit
Communi-
cation
circuit
Modular
jack
Power
circuit
Front
trimmer
Display/
Setting key
circuit
+
-
+
-
1
4
9
12
13
14
CPU
For SGBL