TELEDYNE OLDHAM SIMTRONICS OLCT 80 d, User Manual

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OLCT 80
GAS TRANSMITTER
USER MANUAL
NPO80GB
Revision F.1
61
5.4.2 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.
D. Fault relay output. Dry contact. Interrupting capacity: 30 VDC - 250 VAC – 2A.
E. Alarm #2 relay output. Dry contact. Interrupting capacity: 30 VDC - 250 VAC – 2A.
F. Alarm #1 relay output. Dry contact. Interrupting capacity: 30 VDC - 250 VAC – 2A.
J. 24 VDC power supply.
5.5 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.
5.5.1 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:
Switch No. 8 7 6 5 4 3 2 1
Position OFF OFF OFF OFF OFF OFF OFF
ON