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Default Configuration
Prosense detectors preconfigured to provide signal from analogue output depending on the
detector and gas type. The output signal levels are given in below:
Function
Signal output
Detector Main board and connection details given in Diagram 7:
Calibration adjustment buttons
Relay Module socket
Sensor connections are input to detector main board and already connected to sensor inside
the sensor head. Sensor connections must never be disconnected or changed. Only detector
Detector Configuration
connections (V+, V- and S or RS485 A-B) must be used for external connections.
The Prosense detector has three different types of connection depending on usage:
1. 4-20mA output
2. RS485 Modbus serial communication output
3. 3-Relay outputs
PRS-UM-PC3-EN-Rev.04-06.2020
Value/Setting
2.0 mA
2.0 mA to 2.5 mA
4.0 mA to 20.0 mA
21.0 mA
Table 4: Detector default configuration details
Address switches
Sensor Connections
Diagram 7: Detector main board and connections
Meaning
Fault
Warm-up
Normal gas measurement
Maximum over range
B
A
S
V-
RS485 Connections
Fault LED
Power LED
V+
Detector connections
13
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