ICE EC06-20HDNC1U I&O Manual 07/2020 Rev.1
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Figure 4. EC06HDNC1U Monitor/Alarm Connections
Type
Pin
Description
Alarm Output
NC
The NC contact of the first public alarm dry contact
output
COM The COM contact of the first public alarm dry contact
output
NO
The NO contact of the first public alarm dry contact
output (optional)
1
The COM contact of the second public alarm dry con-
tact output (optional)
2
The NO contact of the second public alarm dry contact
output (optional)
Alarm Input
3
External exhaust fan control output (optional)
4
External exhaust fan feedback input (optional)
5
The NO contact of the external exhaust fan control
output (optional)
6
The COM contact of the external exhaust fan control
output (optional)
7
The contact of door open alarm input (optional)
8
Communication
+
First-way RS485 interface D+ (upstream equipment
monitoring interface, Modbus protocol)
-
First-way RS485 interface D- (upstream equipment
monitoring interface, Modbus protocol)
Table 3. EC06HDNC1U Monitor/Alarm Connections
