Wiring Schematics; Sensors With 20% Lel And 100% Lel Ranges - Honeywell Sensepoint RFD Technical Manual

SENSEPOINT RFD OPERATING MANUAL

6.1 Wiring schematics

Caution: All electrical connections should be made in accordance with any
relevant local or national legislation, standards or codes of practice.

6.1.1 Sensors with 20% LEL and 100% LEL ranges

The connection details for the Sensepoint and Model 705 sensors with a detection
range of 0-100% LEL or 0-20% LEL are shown in diagram 7 below.
Controller
+VE
1 1
Signal
2 2
R
L
-VE
3 3
3 Wire 4-20mA (Source)
With Relays
Diagram 7: Wiring schematic for 0-100% LEL and 0-20% LEL sensors
Transmitter
+VE
1
2
Signal
-VE
3 3
4 4
A1/F Relay
NO C NC
5 5
Selectable
6 6
A2 Relay
NO C NC
7 7
13
RFDMAN MAN0843 Issue 3
Sensor
8
S
Sensitive
9
01
Sensitive
10
NS
Non