Connection Procedures
< Signal assignment >
Connecting the AC Adapter
Connect the DC output of the AC adapter to the
connector indicated as "DC LINE" on the GL980.
Connecting the Grounding Cable
Use a flathead screwdriver to push the button above
the GND terminal while connecting the grounding
cable to the GL980. Connect the other end of the
cable to ground.
Making Connections to the Analog Input Terminals
CAUTION: Connect wires to the specified channel, the channel number is shown on current of the terminal
block
Making Connections to the External Input/Output Terminals
* The B-513 input/output cable for GL980 (sold separately) is required for connecting input/output signals.
(For logic/pulse input, alarm output, trigger input, external sampling pulse input)
3
CH8 CH1
+ −
+ −
+ −
DC voltage input
Thermocouple input
Current input
DC voltage
Compensationcopper wire
DC curren
Ex: The current is converted to the
voltage in the shunt register.
For 4 to 20mA current input, installing
250 ohms
(0.1%) resister for converting 1 to 5V.
Alarm output
Alarm output1 /
Trigger output
Orange with red dotted line : 1
Orange with black dotted line : 2
Grey with red dotted line : 3
Grey with black dotted line : 4
White with red dotted line : 1
White with black dotted line : 2
Yellow with red dotted line : 3
Yellow with black dotted line : 4
Pink with red dotted line : Trigger input/External
sampling input
Pink with black dotted line
Shielded
GND
Logic/Pulse
input
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