A typical application of this output is shown in the following diagram. The output energizes a relay.
The normally closed contacts of this relay are used to activate an alarm. The relay in this application
has a 24V coil with greater than 400
Ω
resistance.
Relay Coil Specifications:
•
24V
•
> 400 ohms
•
< 60mA
3
4
STATUS
+
–
NC
NO
COM
+
24 V
–
NC ALARM CONTACTS:
closed during power
failures and fault
conditions.
2
1
5
6
7
8
P4
SCADAPack 32P Controller Hardware Manual
May 26, 2006
14