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2. Cabling
Alarm Interface
he alarm interface differs, depending on GranDSLAM 4200 model.
Model 4210 – The ALARM interface for the Model 4210 consists of three contacts that provide access to to the alarm relays that can be used to set off Major and Minor physical alarms. A
Tin Chapter 1, Installation).
Models 4220 and 4230 – The ALARM interface for the Models 4220 and 4230 consists of five contacts. Three of the contacts provide access to alarm relays that that can be used to set off Major and Minor physical alarms. The other two contacts provide access to a sense circuit that can be used to detect the open or closed condition of an external alarm relay. See Figure
A
CAUTION:
The ALARM Sense + and Sense – contacts are intended to be connected to an external alarm relay. Do not apply power to these contacts; doing so will result in damage to the unit.
Minor Common Major
ALARM
ALARM
BITS
Sense– Sense+ Minor Common Major
Model 4210
To Alarm
Monitoring
System
Model 4220
Figure 2-1. Alarm Connection Example
October 2002 |