Mitsubishi Electric MR-J2S-A Instruction Manual page 351

15. ABSOLUTE POSITION DETECTION SYSTEM
2
C0 C1 Y41
Counter Checksum ABS
counter transfer
mode
Rotation direction
M13 judgement
D8 K4
PLS processing
command
M4 C0
Read ABS data
enabled counter
3
(Continued from preceding page)
DMOVP A0 D3
MOVP K0 A0
FROMP H0001 K7872 D8 K1
WAND H0004 D8
WAND H8000 A1
PLS M13
NEG D4
K1 D4
NEG D3
K0 D3 K1 D4
MOV K1X30 D5
WAND H0003 D5
WOR D5 A0
ROR K2
D1
C1
PLS M5
(To be continued)
15 - 30
WWW.NNC.IR
2
Saving ABS 32-bit data
Clearing register
*1 Reading X-axis rotating
direction parameter
Rotation direction parameter
mask
ABS data sign mask
PLS processing command
Reversing polarity of upper
16 bits
Subtraction for upper 16 bits
Reversing polarity of lower
16 bits
Lower 16 bits 0
D4 1 D4
Reading 4 bits
Masking 2 bits
Adding 2 bits
Right rotation of A0 2 bits
Counting checksum data
reception frequency
Completion of reading, 2 bits
of checksum
3
Detecting absolute
position polarity
and A1SD71
rotating direction
Reversing polarity of
absolute position
Reading checksum
6 bits
(2 bit 3 times)