Communications Programs (CS-series PLCs)
Ladder Program
■
000000 000004
003000
000004
000002
003000
Sets shift register.
000100
Sets frequency reference.
000101
Sets control input.
000102
Reads output frequency.
000103
Reads Inverter status.
000100
DIFU ( 013 )
003000
000101
000002
000102
000103
MOV ( 021 )
003002
#0001
0001
MOV ( 021 )
#0010
D00100
ANDW ( 034 )
D01000
#FF00
D00101
000100
ORW ( 035 )
D00101
#0002
D00101
ANDW ( 034 )
D01000
#00FF
D00102
MOV ( 021 )
#0010
D00100
ANDW ( 034 )
0010
#FF00
D00101
003100 003101
ORW ( 035 )
D00101
#0001
D00101
000101
ANDW ( 034 )
0010
#00FF
D00102
MOV ( 021 )
#0003
D00100
MOV ( 021 )
#0024
D00101
MOV ( 021 )
#0003
D00100
MOV ( 021 )
#002C
D00101
Chapter 9
XFER ( 070 )
MOVD ( 083 )
Equals Flag (P_EQ)
ANDW ( 034 )
Equals Flag (P_EQ)
Equals Flag (P_EQ)
ANDW ( 034 )
Equals Flag (P_EQ)
003002
#0002
D00100
n
D00102
#0010
n+2
CMP ( 020 )
#0010
m
003100
m
1
#00FF
D01002
CMP ( 020 )
#0002
D01002
003101
ASL ( 025 )
0001
000300
CMP ( 020 )
#0010
m
003103
m+1
#00FF
D01002
CMP ( 020 )
#0001
D01002
003104
9-17