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CHAPTER 2 Checks and Preparation
Each input terminal
The connecting procedure of the signal input cable is described.
During wiring, conrm that the signal's supply source is turned OFF to prevent electrical shocks.
Also, position the GL840 input cable away from any power lines and ground cables.
Connect the GS thermistor sensor (GS-103AT-4P (Type A) or GS-103JT-4P (Type J) each sold separately) to
the +/-.
1. Connect the thermistor sensor
Model: GS-103JT-4P
(Ultra-thin shape)
Model: GS-103AT-4P
No. 1 to 4 is the thermistor connection terminal.
These terminals are for thermistor input only. Make sure not to input voltage or electric current, as this can
cause damage.
2. Logic / Pulse input
When inserting the cable, insert it while pressing here.
No. 1 to 4: High potential terminal
(terminal input on the input signal’s high-voltage side)
G: Low potential terminal
(terminal input on the input signal’s low-voltage side)
+3.3V
+3.3V
10kΩ
100kΩ
180kΩ
GND
LOGIC/PULSE
Comparator
•
G is the GND terminal for this module.
•
Please apply the maximum input voltage, referring to "Regarding Maximum Input Voltage" in the next
page.
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