User`s guide

82
Chapter 3 System Overview
Measurement Input
Totalizer The multifunction module has a 26-bit totalizer which can
count pulses at a 100 kHz rate. You can manually read the totalizer
count or you can configure a scan to read the count.
• You can configure the totalizer to count on the rising edge or falling
edge of the input signal.
• The maximum count is 67,108,863 (2
26
- 1). The count rolls over to “0”
after reaching the maximum allowed value.
• You can configure the totalizer to read without affecting the count or
reset the count to zero without losing any counts.
Channel 03
+IN
-IN
Gate
26 Bits
Tota liz e
Gate
34970A Refresh UG.book Page 82 Wednesday, February 17, 2010 12:34 PM