X8 Instruction Set Reference Manual
5-12
Using the High-Speed Counter and Programmable Limit Switch
(1) HSC:3, HSC:4, and HSC:5 support mode 1a, 2a, 3a, 4a, and 5a only.
(2) Only valid for HSC:0, HSC:1, and HSC:2
HSC Mode 0 - Up Counter
Blank cells = don't care,
↑
= rising edge,
↓
= falling edge
HSC Mode 1 - Up Counter with External Reset and Hold
Modes of Operation
Input0 (HSC:0)
Input4 (HSC:1)
Input 8 (HSC:2)
Input 2 (HSC:3)
Input 6 (HSC:4)
Input 10 (HSC:5)
Input 1 (HSC:0)
Input 5 (HSC:1)
Input 9 (HSC:2)
Input 3 (HSC:3)
Input 7 (HSC:4)
Input 11 (HSC:5)
Input 2 (HSC:0)
Input 6 (HSC:1)
Input 10 (HSC:2)
Input 3 (HSC:0)
Input 7 (HSC:1)
Input 11 (HSC:2)
Mode Value in
User Program
Quadrature X4 Counter
(mode 5a) (1)
A Type Input
B Type Input
Not Used
Not Used
8
Quadrature X4 Counter
with External Reset and
Hold (2)
A Type Input
B Type Input
Z Type Input
Hold
9
HSC Mode 0: Up Counter Examples
Input
Terminals
X1.0.0.0 (HSC0)
X1.0.0.0 (HSC0)
X1.0.0.0 (HSC0)
X1.0.0.0 (HSC0)
Counting
Enabled
Bit
Comments
Function
Count
Not Used
Not Used
Not Used
Example 1
↑
on (1)
HSC Accumulator
+ 1 count
Example 2
↑
on
(1)
↓
off
(0)
off (0)
Hold accumulator
value
HSC Mode 1: Up Counter with External Reset and Hold Examples
Input
Terminals
X1.0.0.0 (HSC0)
X1.0.0.0 (HSC0)
X1.0.0.0 (HSC0)
X1.0.0.0 (HSC0)
CE
Bit
Comments
Function
Count
Not Used
Reset
Hold
Example 1
↑
on
(1)
↓
off
(0)
off
(0)
on
(1)
HSC Accum1
count
Example 2
on
(1)
↓
off
(0)
on
(1)
Hold accumulator
value
Example 3
on
(1)
↓
off
(0)
Hold accumulator
value
Example 4
on
(1)
↓
off
(0)
Hold accumulator
value
Example 5
↑
Clear accumulator
(=0)
Summary of Contents for X8 Series
Page 1: ...Catalog Number s X8 M14DDT X8 M16DDR X8 M32DDT X8 Instruction Manual Reference Manual ...
Page 16: ......
Page 64: ...X8 Instruction Set Reference Manual 2 12 X8 Series PLC Memory and Data Table ...
Page 166: ...X8 Instruction Set Reference Manual 7 8 Relay Type Bit Instructions ...
Page 180: ...X8 Instruction Set Reference Manual 8 14 Timer and Counter Instructions ...
Page 205: ...X8 Instruction Set Reference Manual Math Instructions 10 17 ...
Page 206: ...X8 Instruction Set Reference Manual 10 18 Math Instructions ...
Page 212: ...X8 Instruction Set Reference Manual 11 6 Converion Instructions ...
Page 218: ...X8 Instruction Set Reference Manual 12 6 Logical Instructions ...
Page 236: ...X8 Instruction Set Reference Manual 15 8 Shift and FIFO LIFO Instructions ...
Page 242: ...X8 Instruction Set Reference Manual 16 6 Sequencing Instructions ...
Page 252: ...X8 Instruction Set Reference Manual 18 4 Input and Output Instructions ...
Page 280: ...X8 Instruction Set Reference Manual 20 12 PID Control ...
Page 296: ...X8 Instruction Set Reference Manual 21 16 ASCII Instructions ...
Page 308: ...X8 Instruction Set Reference Manual 22 12 Communications Instructions ...
Page 312: ...Appendix A 4 System Error Code ...
Page 313: ...Appendix B MSG Instruction Error Code MSG Instruction Error Code ...
Page 322: ...Appendix B 10 MSG Instruction Error Code ...
Page 325: ...ASCII Character Set Appendix C 3 ...
Page 326: ...Publication number X8 RM001A EN September 2012 ...
Page 327: ...Copyright 2012 RS Automation Co Ltd All rights reserved ...