Keri Systems SB-293 Quick Reference - Manual (Page 2)

P/N 01803-005 Rev. C
3.2 Lock Relay – Fail-Secure
In the event of a power failure at a door set up with a fail-secure lock relay, the door will automatically lock
and not allow entrance, but will continue to allow people to exit through that door.
Figure 7: Fail-Secure Lock Relay
3.3 Alarm Out
Figure 8: Alarm Out Relay
3.4 Door-A Held Open Alarm Relay
Figure 9: Door-A Held Open Alarm Relay
3.5 Door-B Held Open Alarm Relay
Figure 10: Door-B Held Open Alarm Relay
4.0 General Purpose Relay Connections
4.1 Normally Closed General Purpose Relay
Figure 11: Normally Closed General Purpose
4.2 Normally Open General Purpose Relay
Figure 12: Normally Open General Purpose Relay
1530 Old Oakland Road, Suite 100
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(800) 260-5265 (408) 451-2520 FAX (408) 441-0309
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