Technical data

Assignment of Plugs and Sockets
CP 486 ⋅ 00/14 VIPA GmbH 39
3.3 9-pin SubD-Plug with 20mA Interface (COM2)
This interface can be operated as an active and passive 20mA-interface. The active operation
requires a module supply of 24V. The 24V supply is configured by means of the jumper field X3
(cf. section 2.3)
TXD- 6
O
O
1
S1- 7
O
O
2TXD+
RXD- 8
O
O
3S1+
S2- 9
O
O
4RXD+
O
5S2+
Passive 20mA-interface:
Passive interface operation uses 4 interface signals.
Active 20mA-interface:
The active operation avails of power sources at S-signals that are to be connected respectively to the
data lines. In this case the module must be supplied with 24V.