Rockwell Automation 1746-HSCE,D17466.5 High-Speed Counter Module - Manual (Page 91)

Publication 1746-UM006B-EN-P - August 2005
Configuration and Programming 4-31
The user program can change the Function Control bit dynamically in
either the run or test modes to reconfigure or control the operation.
Note that you can change the preset or range information at any time
independent of this bit. Refer to Timing Information in Appendix A.
M0:e.1 Bit 13 - Counter Type (Static)
This bit allows you to define the Counter Type:
M0:e.1 Bits 14 and 15 - Operating Mode (Static)
These bits define the module’s Operating Mode:
M0:e.2 and M0:e.3/0-7 Valid Steps (Dynamic)
The Valid Step field determines which steps are enabled. The
Sequencer Mode supports 24 steps. You must have at least one Valid
Step defined, otherwise the module will fault.
Bits 0 through 15 of word M0:e.2 represent steps 1 through 16
respectively. Bits 0 through 7 of word M0:e.3 represent steps 17
through 24 respectively.
When a bit is set to 1, the corresponding step is enabled. If the bit is
reset (to 0), the step is disabled.
Counter Type (bit 13) Counter Type
0 linear
1 ring
Operating Mode Bits Operating Mode
15 14
0 0 invalid
0 1 Range
1 0 Sequencer
1 1 Rate