ProVU4 Controller, Profiler & Recorder/Controller - Product Manual
Page 36
Electrical Installation
59407, Issue 3 – May 2011
Option Slot A Connections
Option Slot A Connections – Basic Auxiliary Input Module
If option slot A is fitted with a basic auxiliary input module, connect as shown. Consider using
the full auxiliary input (Option Slot B) instead, as this has additional features and leaves
option slot A free for other modules.
Figure 33.
Option Slot A – Basic Auxiliary Input Module
Option Slot A Connections - Digital Input A Module
If a digital input module is fitted in option slot A, this may be connected to either voltage free
contacts (e.g. switch or relay), or a TTL compatible voltage. Connections are shown below.
Figure 34.
Option Slot A – Digital Input A Module
Option Slot A Connections - Ethernet Communications Module
If option slot A is fitted with the Ethernet communication module, a standard RJ45 connector
is accessible from the top of case. No rear connections are required.
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 35.
Option Slot A – RS485 Serial Communications Module
CAUTION:
RS485
A
B
16
17
18
COM
16
17
_
+
16
17
_
+