Avitec AB CSFT1922 Manual Do Utilizador

  

 

 

© Avitec AB 

6/15/2004 

75 (96)  

 In order to configure the external alarm polarity (active high or active low), please refer to 

attribute EXT. 

The external alarm allows the user to connect external alarm sources, for example fire alarms or external 
door sensors to the controller. 

This is a purely digital measurement, i.e. either the external alarm is OK, or in Error. 

Lower Threshold: 
Not Used. 

Upper Threshold: 
Not Used 

Time Threshold: 
Defines how many seconds an external alarm should be in error state before an alarm is generated. 

GET ALA EX3 

0 0 4 000 000 002 

Meaning that lower and upper thresholds are ignored, and the external alarm needs to be in Error state 
for 2 seconds before an alarm is generated. 

 In order to configure the external alarm polarity (active high or active low), please refer to 

attribute EXT. 

The external alarm allows the user to connect external alarm sources, for example fire alarms or external 
door sensors to the controller. 

This is a purely digital measurement, i.e. either the external alarm is OK, or in Error. 

Lower Threshold: 
Not Used. 

Upper Threshold: 
Not Used 

Time Threshold: 
Defines how many seconds an external alarm should be in error state before an alarm is generated. 

GET ALA EX4 

0 0 4 000 000 010 

Meaning that lower and upper thresholds are ignored, and the external alarm needs to be in Error state 
for 10 seconds before an alarm is generated. 

 In order to configure the external alarm polarity (active high or active low), please refer to 

attribute EXT. 

The Fiber Optic Receiver alarm is triggered when there is a failure in the Fiber Optic Interface receiver 
equipment. 

This is a purely digital measurement, i.e. either the receiver is OK, or broken (Error). 

Lower Threshold: 
Not Used.