Safevader Outputs; 4-20 Ma Output - Prosense Safevader Series User Manual

SafeVader Outputs

Prosense detectors preconfigured to provide signal from analogue and digital output depending
on the detector and gas type. Detector Main board and connection details given in Diagram-11:
Detector connections are listed in Table-6:
The Prosense SafeVader detector has 4-20mA analogue output, RS485 Modbus serial
communication output and switching output features on main board. It is possible to use all
outputs simultaneously.

4-20 mA output:

Prosense SafeVader detectors can be connected to control panels on the market having 4-20mA
input signal. Signal wiring from detector and the control panel should be carried out by shielded
cables. Wires cross section depends on the distance between the control panel and the
detector. The details given in power cabling are valid for signal output as well.
PRS-UM-SV-EN-Rev1.0-16.12.2022
V+ V- S A B C F A1 A2
Diagram 7: Detector main board connections
Port Usage
V + Power input (+) 12VDC – 28VDC
V- Power input
S Current Output Signal (4mA – 20mA)
A RS485-A Serial connection port A
B RS485-B Serial connection port B
C Common COM port for All Relay outputs
F Fault relay output
A1 Alarm-1 Relay output
A2 Alarm-2 Relay output
Table 3: Detector output ports and their usage
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