User Manual

10/11/12 Page 7 of 12
SignalFire Telemetry Rev 1.2
HART Sensor Connection
A single sensor operating in HART multi-drop mode may be connected to the Sentinel
node. The HART sensor must be configured for HART ID 1.
HART Sensor Connection
The HART sensor is a 2-Wire interface between the Sentinel Node and the HART sensor.
The positive (HART+) at the sensor is connected to the top terminal on the Sentinel
Node. The negative terminal (HART-) is connected to the bottom terminal of the
Sentinel Node, the middle terminal should be left unconnected.
HART +
HART -