SBC PCD2.M5 Series - Page 202

Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Counting module
Input/output (I/O) modules
6-93
6
Caseb): Ifthecountrangehastoextendbeyondthevalue65,535,“Reset
  Enable”canbeactivatedlater,i.e.betweenthepenultimateandthe
last time the counter reaches zero. This means that the CCO output is
only reset after several passes of the counter. The number of passes is
counted by a CPU counter.
  Forexample,outputCCOshouldbeswitchedoffafter200,000count
signals.
0 200'000
3392 65536 65536 65536
200'000
3 2 1 0 4
Counter Flag
Reset Enable
CCO
CPU counter
Programming
Classic: Programming examples for the PCD2.H100 can be found in a separate
manualandontheTCSSupportsite(www.saia-support.com+gettingstarted).
xx7:Thermwarereadsinthevaluesaccordingtotheconguration(I/OBuilder)
Watchdog: This module cannot be used on the base address 240, because it would
interact with the watchdog, and would cause a malfunction.
Fordetails,pleaserefertothe"Watchdog" section, which describes the correct use
of the watchdog in conjunction with PCD2 components.