Insys GSM LOGO 4.2 Compact 11-02-01-03-04.001 Manuale Utente

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11-02-01-03-04.001
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INSYS GSM 4.2 LOGO! 
 
HSComm 
Dezember 06 
 
41
 
5.8.4  Monitoring of Values 
The “Monitoring of Values” function is activated by selecting the “Alarm if value is 
changed” check box.  
 
The displayed message can then be 
confirmed with “OK.” Meaning: When 
monitoring of values is active, alarm 
input 2 of the device is no longer 
available because the message 
memory must be reserved for monitoring of values. If more than 10 values are 
monitored, alarm input 1 is also disabled, and a message to that effect appears. 
 
The timing of the scan intervals 
(i.e., the update cycle between 
INSYS GSM 4.2 and LOGO!) is 
specified in the “Polling Cycle” 
window. 
The timeout setting specifies the 
pause before the next scan 
interval if the connection between 
INSYS GSM 4.2 and LOGO! has 
been interrupted. This pause is 
necessary because a connection 
elsewhere (e.g., for parameter 
assignment) would not be possible 
if the scan cycles of the INSYS GSM 
4.2 LOGO! remained constant. 
The message text is prefixed to each fault message transmitted when a value is 
changed (not if the fault message is transmitted as a PA-SMS)