Interface - Delta EnviroStation EMS2000 User Manual

2.4. Interface

The LED indicators and connectors on the front and rear panel are shown as follows.
For their functions and indications, please refer to the table below.
Front panel:
Rear panel:
No. Item
❶ Power
LED
❷ Fault
LED
❸
Relay
Output
LEDs
❹ Analog
Input LEDs
❺ Digital Input
LEDs
InfraSuite EnviroStation
Description
Indicates whether the unit is connected to a power source.
 On (green): Connected.
 Off: Not connected.
Indicates whether an internal fault has occurred.
 On (red): Fault occurred.
 Off: Normal.
 On (green): The Relay Output is switched to NC (Normal
Close).
 Off: The Relay Output is switched to NO (Normal Open).
 On (yellow): The value of the Analog Input is out of the
assigned normal range.
 Off: The value of the Analog Input is in the normal range.
 On (yellow): The Digital Input is activated and defined as
'Warning' or 'Alarm'.
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