137
Data Area Allocation
Appendix B
Linear and Circular Modes
DM Allocation (m = 1000 + 100 x Unit No.)
Note
Values in brackets are in hexadecimal.
DM
m
Counter values and
ranges mode
0: BCD;
1: Hexadecimal
External output
0: NPN; 1: PNP
Forced external output
0: Disabled;
1: Enabled
Operating mode
1: Linear; 2: Circular
m+1
Counter 1 reset mode (00 to 11)
x10
1
x10
0
Not used
Counter 1 input type
m+2
Counter 2 reset mode (00 to 11)
x10
1
x10
0
Not used
Counter 2 input type
m+3
First word number of PC’s words storing transfer data
x10
3
x10
2
x10
1
x10
0
m+4
Number of transfer data blocks (01 to 03)
PC data area
0: DM, 1: I/O, 2: LR, 3:
HR, 4: AR, 5: EM
x10
1
x10
0
0
m+5
Counter 1 range enabled; Each bit (00 to 15) 1: Enabled, 0: Disabled
m+6
Counter 2 range enabled; Each bit (00 to 15) 1: Enabled, 0: Disabled
m+7
Maximum count value of counter 1 in circular mode only
x10
3
[x16
3
]
x10
2
[x16
2
]
x10
1
[x16
1
]
x10
0
[x16
0
]
m+8
Range: 1 to 65,535 (0001 to FFFF)
0 [0]
0 [0]
0 [0]
x10
4
[0]
m+9
Maximum count value of counter 2 in circular mode only
x10
3
[x16
3
]
x10
2
[x16
2
]
x10
1
[x16
1
]
x10
0
[x16
0
]
m+10
Range: 1 to 65,535 (0001 to FFFF)
0 [0]
0 [0]
0 [0]
x10
4
[0]
m+11 to m+14
Not used.
m+15 to m+94
Range: 0 to 15
–8,388,608 to
8,388,607 [800000 to
FFFFFF, and 000000
to 7FFFFF]
Lower limit
x10
3
[x16
3
]
x10
2
[x16
2
]
x10
1
[x16
1
]
x10
0
[x16
0
]
Sign
0: +
[0]
F: –
x10
6
[0]
x10
5
[x16
5
]
x10
4
[x16
4
]
Upper limit
x10
3
[x16
3
]
x10
2
[x16
2
]
x10
1
[x16
1
]
x10
0
[x16
0
]
Sign
0: +
[0]
F: –
x10
6
[0]
x10
5
[x16
5
]
x10
4
[x16
4
]
Output pattern; Each bit 1: ON, 0: OFF
m+95 to m+99
Not used.
15
00
Summary of Contents for C200H-CT021
Page 1: ...C200H CT021 High speed Counter Unit Operation Manual Revised December 2000 ...
Page 2: ...iv ...
Page 4: ...vi ...