21.3 Countdown Timer Service
Countdown timer is used execute a Command String when the timer value reach zero. Counting period is 1 second.
There are total of 10 Countdown Timers.
1st field
Service
type
2nd field
Service
id
3rd field
Operation
type
4th field
Operation argument
Explanation
TM (1 to 10)
ST 1 to 2147483647
Initial value of Countdown Timer (in
seconds)
SW 0 to 1 Start (1) or Stop (0) Timer
TR
(1 to 50)
0
Set Command String to be run,
0 to cancel setting
Example: Set countdown timer #1 to execute Command String #10 and start 600 seconds countdown.
TM␣1␣ST␣600␣TM␣1␣SW␣1␣TM␣1␣TR␣10
Example: Stop countdown timer #1.
TM␣1␣SW␣0
Example: Cancel countdown timer #1 to trigger Command String.
TM␣1␣TR␣0
Note:
– When the countdown timer expires (reach 0) it will stop automatically (SW 0).
– If two or more timers expire at the same timer, timer with smaller id has higher priority, i.e. Command String
related to that timer will be executed first.
– These are not precision timers, if the modem is busy (e.g. with network communication). The execution time
may be delayed.
21.4 Input Port Service
Input port Service can use the signal of I/O board’s input ports to control the execution of Command String.
You can control the change of single or multiple input port signals as a condition to trigger Command String execution.
1st field
Service
type
2nd field
Service
id
3rd field
Operation
type
4th field
Operation argument
Explanation
IP
1
or 2
1
DR
0 to 1
Direction of I/P signal change to trigger
TH 1 to 50
Duration of the I/P state to trigger, unit in
0.1s
TR
(1 to 50)
0
Set Command String to be run,
0 to cancel setting
Example: Configure input port #1 with detection "high to low" and threshold value 0.1s, and trigger Command String
#5 if signal condition match.
IP␣1␣DR␣1␣IP␣1␣TH␣1␣IP␣1␣TR␣5
Example: Cancel input port#1 to trigger Command String.
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