RT Systems TM3 User Manual

1111
sensor connection
temperature sensors
Connect the NTC temperature sensor at the back of the unit marked “Temperature Sensors” to any one of the available four inputs. Dry
Contact Temperature sensors can be connected to any one of the 15 inputs marked “Dry Contact Inputs”. To extend the temperature
sensor use standard CAT-5 cable to a maximum distance of 100 metres. Tie the cable to the cable support at the back of the unit using
the tie wraps provided.
flood sensors
Use the supplied ood sensors on the TM3 Monitoring Unit. Connect the ood sensor at the back of the unit marked “Flood Sensors”
to any one of the available two inputs. The ood sensors can be extended using standard CAT-5 cable to a maximum distance of 100
metres. Tie the cable to the cable support at the back of the unit using the tie wraps provided. Flood sensors to be installed with the
10k end of line resistor terminated on the last ood sensor.
dry contacts
Third party dry contacts can be used (Normally Open or Normally Closed contact). Connect the dry contacts at the back of the unit
marked “Dry Contacts” to any one of 15 available inputs. Extend the dry contact using standard CAT-5 cable to a maximum distance of
100 metres. Tie the cable to the cable support at the back of the unit using the tie wraps provided. The dry contacts can be congured
active open (HIGH) or active closed (LOW). Follow third party installation instructions provided with the dry contacts.
connect to
TM3 unit
10Ω

RT Systems TM3 Specifications

General

Brand	RT Systems
Model	TM3
Category	Measuring Instruments
Language	English