SB-593 Satellite Board
Unit 17 Park Farm Industrial Estate
01925-001 Rev. 1.2
Buntingford, Herts SG9 9AZ UK
TEL: 0870 444 7234 FAX: 0870 444 7240
Web: http://www.kerisystems.co.uk E-mail: [email protected]
Page 6 of 16
Quick S
tart Guide
SB-593
7.1.1.1
Fail-Safe Door Lock Output Relay
In a fail-safe application, if the power fails, the door is unlocked (see page 16 for information about fail-safe lock
applications).
Figure 5: Fail-Safe Door Lock Output Relay
7.1.1.2
Fail-Secure Door Lock Output Relay
In a fail-secure application, if the power fails, the door is locked (see page 16 for information about fail-secure lock
applications).
Figure 6: Fail-Secure Door Lock Output Relay
7.1.1.3
Alarm Output Relay
An alarm condition on the controller closes the normally open line, sounding an alarm.
Figure 7: Alarm Output Relay