3. Installation and wiring
46
Wiring of the serial bus cable
Wire the serial bus cable to each terminal of the terminal block TB1 (1) through (6) of the
communication base unit. For the communication base unit in the last stage, place terminal
resistance to the (1) and (3) terminals and (2) and (4) terminals.
Fig. 3.2 Wiring of the serial bus cable
Fig. 3.3 Terminal block signal table
+
+
+
+
+
+
6
4
2
5
3
1
SBB(+)
SBB(-)
Shield
SBA(+)
SBA(-)
Shield
TB1