Configuration - Oldham OLCT 80 User Manual

Prong Function
1 Positive terminal (+), 10-40 VDC power supply.
2 RS485 / +.
3 Common power supply (ground).
4 RS485 / -.
5 Unused.
Wireless OLCT 80 transmitter
Figure 47: wireless OLCT 80 connections.
Item Description
B. Auxiliary input #1, 4-20 mA, 24 VDC.
C. Auxiliary input #2, 4-20 mA, 24 VDC.
Fault relay output. Dry contact. Interrupting capacity: 30 VDC - 250 VAC – 2A.
D.
Alarm #2 relay output. Dry contact. Interrupting capacity: 30 VDC - 250 VAC – 2A.
E.
Alarm #1 relay output. Dry contact. Interrupting capacity: 30 VDC - 250 VAC – 2A.
F.
J. 24 VDC power supply.

Configuration

This procedure must be performed in a workshop, i.e., a non-
hazardous area.
The data transmission speed of the Modbus serial connection is 9600 bauds,
no parity.
Modifying the microswitches
In a mesh network, the OLCT 80's wireless cards must be configured in
repeater mode. Follow the steps below:
■
Cut off power to the OLCT 80 before modifying the position of the
microswitches.
■
Position the microswitches as shown below (Figure 48, A) on the wireless
card of each OLCT 80:
Wire color
Brown
White
Blue
Black
Gray
5 – Wireless Version
63