Delta DVP-PM Series

14 High Speed Compare and Capture
DVP-PM Application Manual
14-1
14.1 High Speed Compare and Capture Function
DVP-PM supports 8 sets of registers for high-speed Compare and Capture function. Through FROM/TO
instructions we can access CR253 for setting the control status or reading the data for high speed Compare or
Capture function. The below table explains the settings of FROM/TO instructions and the relative registers.
 Setting control registers
X0
TO K253 K1
D0 D50
D0 The number of the starting set: n (n=0~7, 8 sets)
D1 0
D3,D2 Control register of the n set: CRn
D5,D4 Data register of the n set: DRn
D7,D6 Control register of the n+1 set: CRn+1
D9,D8 Data register of the n+1 set: DRn+1
：
D31,D30 Control register of the n+7 set: CRn+7
D33,D32 Data register of the n+7 set: DRn+7
D50
Data length: 2+m*4 (1 set of registers: 4 words). m: number of sets. Max: 8 sets.
(1) Setting format of control registers (CRn) for high-speed Compare function
01234567891011
1213
1415Bit
Settings
Output
action
Output terminals
and counte rs
Compare
method
Data source for
comparison
Bit SV 20PM 10PM
0 CP of X axis CP of X axis
1 CP of Y axis CP of Y axis
2 CP of Z axis CP of Z axis
3 C200 count value CP of A axis
4 C204 count value C200 count value
5
－
C204 count value
6
－
C208 count value
Data source for
comparison
[0-3]
7
－
C212 count value
1
＝ ＝
2 ≧ ≧
Compare mehod [5-4]
3 ≦ ≦
0 Set Set
1 Reset Reset
Output action [7-6]
2, 3
－
No action
0 CLR0 Y0
1 CLR1 Y1
Output terminal
and counters
[11-8]
2 Y2 Y2