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Alcatel Vacuum Technology France - ATH 200 User’s Manual
RS 232 / RS 485 link wiring
GB 04374 - Edition 02 - Dec 11
Plug wiring
RS 232 / RS 485
6
7
8
9
2
3
4
5
1
(Reception data) (RS 232) RD
TD (Transmission Data (RS 232)
GND (Ground)
V(+) (RS 485)
V(-) (RS 485)
9-pin male DB connector
Examples of possible
connection
RS 232 serial link with a
single monitoring system
6
7
8
9
2
3
4
5
1
6
7
8
9
2
3
4
5
1
Monitoring
RS 485 serial link
8
9
8
9
8
9
RS 485
interface box
1
2
ON
1
2
ON
1
2
ON
Parallel type connection: communication will only be lost on the pump
that is disconnected.
For the pump installed in parallel, position the switch of the red switch
on 1 and 2.
For the last pump, in end of line, position the switch of the red switch
on ON to activate ending resistor.
adixen Vacuum Products - A100L - Dry Pump - Operating Instructions
