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ETM9900(J) Quick Start Guide Issue 27012009
Temperature Alarm
I/O 3 and 4 can be used as analogue 0-2.5V analogue inputs, which can be used in numerous
applications including;
◩
Temperature monitoring of a cool room or PC/Server room
◩
Monitoring tank, or stream levels using a level transmitter
Example
Monitor a server room, SMS based on temperature rise and/or fault alarm from A/C unit.
Wiring Diagram
Configuration Tool Settings
1.
Enter Phone Numbers and Unit ID in Alarm Message Tab
1 2 3 4 5 6 7 8
RJ45 I/O Connector
Normally Open
A/C Alarm Relay
1 2 3 4 5 6
+
-
+6 to +35VDC
Power Supply
RJ12 Power
Connector
4-20mA Output
of Temp. Transmitter
125 ohm
