6 • vacon
layout and connections
Tel.+358 (0)201 2121 • Fax +358 (0)201 212 205
3
3.2
RS-485 OPTC8 option board
Figure 2. Vacon RS-485 option board OPTC8
Signal
Connector
Description
Shield
1
Cable shield
RxD/TxD-N
3
Receive/ A
DGND
5
Data ground (reference potential for VP)
VP
6
Supply voltage – plus (5V)
RxD/TxD-P
8
Receive/ Transmit data/ B
Table 3. OPTC8 bus connector signals
X4
X1
Bus connector
Jumpers
Interface board connector
Grounding plate
1
2
3
4
5
9
8
7
6