Connection Procedures - GRAPHTEC midi LOGGER GL220 Quick Start Manual

GL220 Connection Procedures
Connecting the AC Adapter
Connect the output side of the AC adapter to the Connect the output side of the AC adapter to the
connector indicated as "DC LINE" on the GL220. connector indicated as "DC LINE" on the GL220.
Making Connections to the Analog Input Terminals
Direct voltage input
＋
Direct voltage
-
Note: Connect wires to the desired terminals according to the terminal numbers on Note: Connect wires to the desired terminals according to the terminal numbers on
top of the terminal block. top of the terminal block.
Making Connections to the External Input/Output Terminals
*B-513 (sold separately) cable is required for external input/output.
(For logic/pulse input, alarm output, trigger input, external sampling input
CH 1 2 3 4 5 6 7 8 9 10
Direct current input
＋
Shunt resistance
Ex: for current in the 4 to 20 mA
Direct voltage
range, apply a resistance of 250 W
(±0.1%) and perform measurement
in the 1 to 5 V ra
-
Note: Use B-551 (option)
for this shunt resistance.
B-513
Connecting the Grounding Cable
Use a flathead screwdriver to push the button above the
ground terminal while connecting the grounding cable to the
GL220. Connect the other end of the cable to ground.
nge.
Connection diagram
Orange with red dotted line
Orange with black dotted line
Grey with red dotted line
Grey with black dotted line
White with red dotted line
White with black dotted line
Yellow with red dotted line
Yellow with black dotted line
Pink with red dotted line
Pink with black dotted line
Shielded
Grounding cable
Thermocouple input
＋
－
Compensation
copper wire
: 1
: 2
Logic/pulse
: 3
input
: 4
: 1
: 2
Alarm output
: 3
: 4
: Trigger input/
external sampling input
GND
3