GSK 218M, Руководство по подключению и программированию PLC

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GSK218M CNC System Connection and PLC Manual
50
Perform the short path rotation, and calculate the postion number of previous one position of goal
position.
Current position number S2=1, position number of rotation graduation S1
＝
12
，
RNO=1
，
DIR=1
POS=1
，
INC=0:
When S3=10 goal position is A, and ACT=1, S4
＝
11
，
W
＝
1.
When S3=8 goal position is B, and ACT=1, S4
＝
9
，
W
＝
1.
When S3=5 goal position is C, and ACT=1, S4
＝
4
，
W
＝
0.
When S3=3 goal position is D, and ACT=1, S4
＝
2
，
W
＝
0.
5.17 SFT
（
shift register
）
Function:
The instruction shifts 1-byte (8-bit) data by a bit to the left or right. Note that W=1 whendata “1” is
shifted from the left extremity (bit 8) in left shift or from the right extremity (bit 0) in right shift.
Format:
ROT
12 S2 S3 S4
SFT
S1
Address of
shift data
Length
Format
designation
（
W
）
ACT
DIR
CONT
RST
RNO
ACT
（
W
）
DIR
POS
INC