Mitsubishi GT16 User Manual page 122

When the CF card extension unit is used, ground the ground cable as shown below.
1.
Make the connections as shown below.
Install the shorting bar to the LG and FG terminals of the GOT's
power.
L
2.
Connect the ground cable.
Connect the ground cable of the connection cable with the GOT's
ground cable to the FG terminal of the GOT's power.
For connecting the ground cables, each flat side of the two solderless
terminals must be faced.
L N LG
For the ground cable of the connection cable, use the following solderless terminals.
Applicable solderless terminal
For grounding the GOT, refer to the following.
7.2 Wiring to GOT Power Section
7 - 12 7.6 Grounding Extension Units
For other than GT1655
GOT GT15-CFEXIF
L N LG FG
GT15-C08CF
For other than GT1655
N LG FG
Shorting bar
For other than GT1655
FG
Ground cable
of connection
cable
Ground
cable of GOT
Solderless
Terminal
screw
terminal
Shorting
bar
RAV1.25-3, V1.25-B3A, FV1.25-B3A
For GT1655
GOT GOT
Functional
grounding
FG 24G
L
For GT1655
The shorting bar is not required.
Functional grounding
For GT1655
Connect the ground cable of the connection cable to the functional
ground terminal and connect the ground cable of GOT to the FG
terminal of the GOT power supply.
Functional grounding
GT15-CFEXIF
+24V
GT15-C08CF
FG 24G +24V
FG 24G +24V