VIPA System 300S SPEED7 CPU 313SC/DPM - Page 109

Manual VIPA System 300S SPEED7 Chapter 5 Deployment I/O periphery
HB140E - CPU SC - RE_313-6CF03 - Rev. 07/45 5-23
Main counting direction backwards
• The counter counts backwards starting with the load value.
• When the counter reaches the end value+1 in negative direction, it
jumps to the load value at the next negative count pulse.
• You may exceed the upper count limit.
Valid value range
Limit value -2 147 483 647 (-2
31
+1) to +2 147 483 647 (2
31
-2)
Upper count limit +2 147 483 647 (2
31
-1)
upper
counter limit
load value
0
gate start
time
counter value
gate stop
end value