4 How to Use
4-5. How to wire
- 19 -
SD-2600
<Grounding>
Connect the gas monitor to your grounding terminal with the external terminal
.
<Wiring Example>
Connecting to the indicator
Connecting to the upper unit (DCS, PLC)
WARNING
Before turning on the gas monitor, do not forget to connect it to a grounding terminal.
For stable operation of the gas monitor and safety, it must be connected to a grounding terminal. Do not
connect the grounding wire to a gas pipe.
The grounding must be made as D type grounding (below 100 Ω of grounding resistance).
1 2 3 4 5
GND
Sig
SD-2600
+24 V
RM-593, etc.
1 2 3 4 5
+
SD-2600
-
Upper unit
(DCS, PLC)
Relay terminal
plate
-
+
Power supply
(24 VDC)
