SAGEM-LINK F 288055571-04
Installation and Operation Manual
Page 28/142
Issue 04 : July 2005
Reproduction and communication prohibited without the written permission of Sagem Communication
Alarm Relays and I/O Dry Loops
The rear panel DB37 connector includes
• 5 alarm relays : these alarms are managed by SAGEM LINK Pilot software. The electrical
interfaces for each alarm is given in Figure 1.21 :
Normally Open
Normally Closed
Common
Figure 1.21 – Alarm relay electrical interface
The alarm condition correspond to normally closed state of the relay.
NC= Normally Closed
NO= Normally Open
• 4 Inputs / Outputs dry loops: the electrical interface for each loop is given in Figure 1.20 :
LOOP INPUT_A
5 k
Ω
Photocoupler
-48V
5 k
Ω
LOOP INPUT_B
LOOP OUTPUT NO
LOOP OUTPUT NC
COMMON LOOP OUTPUT
SAGEM LINK
IINPUTS OUTPUTS
Figure 1.22 – I/O Dry Loop electrical interface
The pinout of DB37 connector is given in Figure 1.23