Environmental Monitoring System (EMS-01) Instruction Manual
17
3.3.3
230V Output to an Ancillary Device
The EMS can be used to control powered ancillary devices such as a beacon or solenoid valve.
Figure 13:
Using the EMS to Power a 230V Ancillary Device (Alarm Relay 1: Normally Open)
Figure 14:
Using the EMS to Power a 230V Ancillary Device (Alarm Relay 1: Normally Closed)
Use the EMS to power a 230V ancillary device as follows:
1.
Refer to section 2.2 and/or 3.2.1
(Figure 6)
to select the correct relay.
2.
Wire the device. Wiring is dependent on the
labelling of terminals and whether the
device is normally open or normally closed
(
Figures 13 and 14
show wiring for
normally open
and
normally closed
devices
connected to
Alarm Relay 1
).