8. CONNECTION TO SETTING AND DISPLAY UNIT
B–63173EN/03
262
4) Details of cable J128
RXTP
*RXTP
TXTP
*TXTP
+24V
+24V
Connector panel
(NOTE 3)
(NOTE 2)
Shield
Cable:
cable A66L–0001–0298 (refer to cable J127)
cable Twisted–pair cable with cross–sectional area of at least 2 mm
2
(FG)
Connection panel
(NOTE 1) ATCH1
(NOTE 1) ATCH2
0V
0V
FG
Pair
RXTP
*RXTP
TXTP
*TXTP
+24V
+24V
ATCH1
ATCH2
0V
0V
Pair
NOTE
1 ATCH1 and ATCH2, when unused, need not be connected.
2 FG on the connection panel:
Connect the FG terminal on the connection panel to the
frame ground. For this connection, use a twisted–pair
cable, 100 to 300 mm long, with a cross–sectional area of
at least 2 mm
2
.
Use this FG terminal to connect the shield of cable J127 to
ground.
3 FG on the connector panel:
On the connector panel, connect the shield of cable J128 to
the frame ground. For this connection, use a twisted–pair
cable, 100 to 300 mm long and with a cross–sectional area
of at least 2 mm
2
.