DCP200 Profile Controller & Recorder -Product Manual
Page 36 Electrical Installation 51-52-25-150, Issue 1 –April 2009

Option Slot A Connections -RS485 Serial Communications Module

If option slot A is fitted with the RS485 serial communication module, connections are as
illustrated. Carefully observe the polarity of the A (Rx/Tx +ve) and B (Rx/Tx -ve) connections.
Figure 34. Option Slot A – RS485 Serial Communications Module
CAUTION:
External computing devices connected to the communications port should comply
with the standard, UL 60950.
Option Slot B Connections

Option Slot B Connections –Digital Input B(Full Auxiliary Module)

If option slot B is fitted with the Full Auxiliary input module (see below), a secondary digital
input is also provided. This may be connected to the voltage free contacts of a switch or
relay, or to a TTL compatible voltage.
Figure 35. Option Slot B – Digital Input B Connections

Option Slot B Connections –Full Auxiliary Input BModule

If option slot B is fitted with full auxiliary input feature, input connections are as shown.
Figure 36. Option Slot B – Full Auxiliary Input Connections
9
8
_
+
7
6
5
(or Pot Low)
_
+
(or Pot Wiper)
(or Pot High)
RS485
A
B
16
17
18
COM