Form-C Relays on the CPU Section 3 Installation
NFS-3030 Installation PN 51330:C 10/28/2003 31
3.10 Form-C Relays on the CPU
The panel provides a set of Form-C relays. These are rated for 2 A at 30 VDC (resistive):
• Alarm - TB4
• Trouble - TB3
• Supervisory - TB2
• Security - TB1
The Supervisory and Security contacts can also be configured as Alarm contacts by setting switches
SW1 and SW2 away from the factory default positions shown in Figure 19.
Figure 19 Form-C Relay Connections
SW1 set to Security
SW2 set to Supervisory
Move switch to opposite
position to convert to
Alarm relays.
3030-relays.cdr
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