Mitsubishi Electric GOT2000 Series, Connection Manual

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8.4 Precautions
8 - 39
8
BU
S CON
NECTION
8.4 Precautions
8.4.1 GT15-C [ ] EXSS-1, GT15-C [ ] BS
■1.
Composition of GT15-C EXSS-1
It is composed of GT15-EXCNB (0.5m) and GT15-C BS (10 to 30m).
Calculate the cable length based on GT15-C100EXSS-1(10m), GT15-C200EXSS-1(20m) and GT15-C300EXSS-
1(30m).
■2.
GT15-C EXSS-1 connector
Connect the connectors as follows:
GT15-EXCNB
PLC CPU side
GT15-C BS GOT side
■3.
Grounding
(1) When using GT15-C EXSS-1
Step 1.
Connect the LG and FG terminals of the terminal block on the GOT unit power and ground them with a
cable.
Step 2.
Use the GT15-C BS's FG cable of 28cm or less.
Step 3.
Do not connect the GT15-EXCNB's FG ground cable.
Step 4.
Connect the GT15-C BS's FG cable on the GOT side to FG of the GOT unit power's terminal block.
Step 5.
Connect the GT15-C BS's FG cable on the PLC side to FG of the PLC's power supply module.
Step 6.
Connect the LG and FG terminals of the terminal block on the PLC and ground them with a cable.
(2) When using GT15-C BS
Follow the GOT side grounding steps in (a) above for both GOTs.
(GT15-EXCNB) (GT15-C□BS)
PLC side GOT side
FG
LG
N
L
PLC
Not connected
(GT15-EXCNB)
GOT
OUT IN
FG LG N L
2SQ cables to
FG terminals,
28cm or less
2SQ cables to
FG terminals,
28cm or less
(GT15-C□BS)