1530 Old Oakland Road, Suite 100
01837-002 Rev. 3.1
San Jose, CA 95112 USA
(800) 260-5265 (408) 451-2520 FAX (408) 441-0309
Page 6 of 12
SB-293 Satellite Board
Two-Door Configuration Connections (continued)
Fail-Safe Door Lock Output Relay
In a fail-safe application, if the power fails, the door is unlocked (see page 12 for more
information).
Fail-Secure Door Lock Output Relay
In a fail-secure application, if the power fails, the door is locked (see page 12 for more
information).
Alarm Output Relay
An alarm condition on the controller closes the normally open line, sounding an alarm.
TB7
1
2
3
4
5
6
Ground/Common
Normally-Open
Ground/Common to TB-7, Pin 2
Normally-Closed Signal to TB-7, Pin 3
Normally-Closed
Normally-Open Signal to TB-7, Pin 1
12 VDC
Power
+
-
-NO CONNECTION-
SB-293 LOCK RELAY
FAIL-SAFE
1.5KE39C Transorb for Transient Suppression
FAIL-SAFE
ELECTRIC
LOCK
DEVICE
+
-
TB7
1
2
3
4
5
6
Ground/Common
Normally-Open
Ground/Common to TB-7, Pin 2
Normally-Closed Signal to TB-7, Pin 3
Normally-Closed
Normally-Open Signal to TB-7, Pin 1
12 VDC
Power
+
-
-NO CONNECTION-
SB-293 LOCK RELAY
FAIL-SECURE
1.5KE39C Transorb for Transient Suppression
FAIL-SECURE
ELECTRIC
LOCK
DEVICE
+
-
TB7
1
2
3
4
5
6
Ground/Common
Normally-Open
Ground/Common to TB-7, Pin 5
Normally-Closed Signal
to TB-7, Pin 6
Normally-Closed
Normally-Open Signal to TB-7, Pin 4
12 VDC
Power
+
-
-NO CONNECTION-
SB-293 ALARM RELAY
1.5KE39C Transorb for Transient Suppression
ALARM
+
-
SB-293
Quick Start Guide