3M Traffic Safety Systems 6204 Manual Do Utilizador
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Configuring Digital I/Os
Configuring Digital I/Os
Configuring Digital I/Os
Configuring Digital I/Os
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3M Toll RFID Reader 6204
3M Toll RFID Reader 6204
3M Toll RFID Reader 6204
3M Toll RFID Reader 6204 User’s Guide
User’s Guide
User’s Guide
User’s Guide
8.4.2.
scan_trigger_timer.py
scan_trigger_timer.py
scan_trigger_timer.py
scan_trigger_timer.py
This routine monitors the I/O pin. When the pen goes high, the timer is started
and the operating mode is set to active. While the timer is running, I/O pin state
changes are ignored. When the timer expires, the operating mode is set to
standby. The minimum value for the timer is 10 milliseconds (ms).
and the operating mode is set to active. While the timer is running, I/O pin state
changes are ignored. When the timer expires, the operating mode is set to
standby. The minimum value for the timer is 10 milliseconds (ms).
Inputs: <pin> – (optional) Output pin number (1–4). Default is output 1.
<time> – (optional) Time, in ms for timer to run. Default is 1000 ms.
<trigger logic level> –(optional) 0 or 1. Default is trigger on 1.
Examples:
scan_trigger_timer.py
Monitors input 1, timer 1000 ms,
trigger on 1
trigger on 1
scan_trigger_timer.py 2
Monitors input 2, timer 1000 ms,
trigger on 1
trigger on 1
scan_trigger_timer.py 4 2000
Monitors input 4, timer 2000 ms,
trigger on 1
trigger on 1
scan_trigger_timer.py 3 4000 0
Monitors digital input 3, timer 4000 ms,
trigger on 0
8.4.3.
signal_read.py
signal_read.py
signal_read.py
signal_read.py
This routine will turn on a digital output if a tag is successfully read. The
optional output pin number can be specified on the command line. If not
specified, output pin 1 is used. The output pin will remain high for n ms, where
n is either the default of 1000 ms, or the value supplied on the command line.
Minimum value for n is 10 ms.
optional output pin number can be specified on the command line. If not
specified, output pin 1 is used. The output pin will remain high for n ms, where
n is either the default of 1000 ms, or the value supplied on the command line.
Minimum value for n is 10 ms.
Inputs:
<pin> – (optional) Output pin number (1–4). Default is output 1.
<time> – (optional) Time, in ms, to keep the output high. Default is
1000 ms (1 sec).
<logic level> – (optional) Logic level for digital out On. 0 or 1. Default
is 1 (On).
Examples:
signal_read.py
Turns on output 1 for 1000 ms on tag reads
signal_read.py 2
Turns on output 2 for 1000 ms on tag reads
signal_read.py 1 5000
Turns on output 1 for 5000 ms on tag reads
signal_read.py 1 500
Turns on output 1 for 500 ms on tag reads
signal_read.py 1 800 0
Turns on digital output 1,logic level 0, for
800 ms on tag reads