Option Slot A Connections - Rs485 Serial Communications Module; Option Slot A Connections - Digital Input Module; Option Slot A Connections - Basic Rsp; Figure 32. Option Slot A - Rs485 Serial Communications Module - WEST P8700 User Manual

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.
11
12
Figure 32.

Option Slot A Connections - Digital Input 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.
11
12
Option Slot A Connections – Basic RSP
If option slot A is fitted with a basic remote setpoint module, input connections are as shown.
1 1
For / -DIN & / -DIN models it is recommend that the full RSP (Option Slot B) is used
4 8
instead, as this has additional features and leaves option slot A free for other modules.
WARNING:
THIS MODULE MUST NOT BE FITTED IF FULL RSP HAS BEEN FITTED IN OPTION SLOT B.
Page 26
1 1
/ -DIN, /
4 8
B
RS485
A
1
/ DIN
16
Option Slot A – RS485 Serial Communications Module
_
+
1
/ DIN
16
Figure 33. Option Slot A – Digital Input Module
_
11
12
+
1
/ DIN
16
Figure 34. Option Slot A – Basic RSP Input Module
Connections
1
-DIN & / - DIN Controllers & Indicators - Product Manual
16
16
17
18
1
/
4
16
17
1
/
4
1
/
4
A
B RS485
COM
1
DIN & / DIN
8
+
_
1
DIN & / DIN
8
16
+
_
17
1
DIN & / DIN
8
59305, Issue 5 – March 2005