Advantech PCI-1710HG Spécifications Page 18

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8
On-board Programmable Counter
The PCI-1710/1710L/1710HG/1710HGL/1711/1711L/1716/1716L is
equipped with a programmable counter, which can serve as a pacer
trigger for A/D conversions. The counter chip is an 82C54 or its
equivalent, which incorporates three 16-bit counters on a 10 MHz
clock. One of the three counters is used as an event counter for input
channels or pulse generation. The other two are cascaded into a 32-bit
timer for pacer triggering.
Short Circuit Protection
The PCI-1710/1710L/1710HG/1710HGL/1716/1716L is equipped
with short circuit protection device (polyswitch) on the +12V
DC
/
+5V
DC
power supply pins. If any of the power supply pins is shorted
to ground (i.e. short circuit occurs), the protection device will shut off
the current output automatically. After the short circuit has been
released for about two minutes, the power supply pins will return to
output current.
Note:
1. Pace trigger determines how fast A/D conversion will be done in pacer
trigger mode.
2. For detailed specifications of the PCI-1710/1710L/1710HG/1710HGL/
1711/1711L/1716/1716L, please refer to Appendix A, Specifications.
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