Yaskawa MP940 Reference Manual - Manual (Page 122)

MotionSuite™ MP940 Machine Controller Reference Manual CNTR Function
4-31
Reversible Counter Mode
This is the mode in which UP or DOWN counts are executed according to the
A/B pulse input.
The following functions are possible by output register designation in the
reversable counter mode.
• Attribute Prohibition :
Prohibits counter attributes.
• Attribute Presetting :
Forcibly changes the counter values.
• PI Latch Detection :
Places the counter value in memory when an external signal is input.
• Conformance Detection :
Outputs an external output signal when the output register conformance
detection setting value and the current counter value coincide.
*1. Current Attribute Value = Hardware Counter (ILxxxx+4)
*2. Attribute Pre-setting = Attribute Pre-setting Data (OLxxxx+2)
n1 n2 n3 n4 n5 n6 n7
n1
n2
n3
n4
n5
n6
n7
MIN
（80000000H） MIN
（80000000H）
UP Stop UP DOWN UP DOWN DOWN
Ts
Current
Attribute *1
A, B Pulse ，
0
(+)
(-)
Attribute Preset *2
Ts :Scan Setting
MAX （7FFFFFFFH） MAX （7FFFFFFFH）
Attribute Preset *2
C
ounter A
ttri
bute R
egi
ster
Stop Stop