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Communication, Counter and Pulse
SECTION 4
Ladder Diagram
The following table shows the instruction operations related to interrupt input
Programming
(counter mode) control.
Instruction Control
Operation
Refresh incrementing
counter SV
Refreshes the counter’s SV and starts the
incrementing count.
Refresh decrementing
counter SV
Refreshes the counter’s SV and starts the
decrementing count.
Mask all interrupts
Prohibits all interrupts, including interrupt
inputs, interval timer interrupts, high-
speed counters, etc.
(@)INT(89)
Unmask all interrupts
Permits all interrupts, including interrupt
inputs, interval timer interrupts, high-
speed counters, etc.
(@)INI(61)
Change PV
Changes the counter’s PV.
(@)PRV(62)
Read PV
Reads the counter’s PV.
The functions related to input interrupts (counter mode) are executed accord-
ing to the data areas shown in the following table.
Word Bits
Name
Contents
240
00 to 15
SV area for input interrupt (counter mode) 0
241
00 to 15
SV area for input interrupt (counter mode) 1
242
00 to 15
SV area for input interrupt (counter mode) 2
243
00 to 15
SV area for input interrupt (counter mode) 3
Stores the
counter’s set
value(SV) .
244
00 to 15
PV area for input interrupt (counter mode) 0
245
00 to 15
PV area for input interrupt (counter mode) 1
246
00 to 15
PV area for input interrupt (counter mode) 2
247
00 to 15
PV area for input interrupt (counter mode) 3
Stores the
counter’s
present value
(PV).
Refresh Incrementing Counter SV / Refresh Decrementing Counter SV
These functions store the counter’s set values in data areas and refresh them
by means of INT(89). In this way, they start the count operation for interrupt
inputs (counter mode) and they permit interrupts.
Storing Set Values in Data Areas
The counter’s set values are stored in words 240, 241, 242, and 243.
SR 240
SV for interrupt input (count mode) 0: 0000 to FFFF
SR 241
SV for interrupt input (count mode) 1: 0000 to FFFF
SR 242
SV for interrupt input (count mode) 2: 0000 to FFFF
SR 243
SV for interrupt input (count mode) 3: 0000 to FFFF
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Summary of Contents for 3G3MV-P10CDT-E
Page 2: ...3G3MV P10CDT PLC Option Unit User s Manual Revised June 2003 ...
Page 38: ...Unit Components and Specifications SECTION 2 2 1 4 Dimensions 68 128 55 25 ...
Page 43: ......
Page 85: ...Example Programs Appendix B 72 ...
Page 86: ...Example Programs Appendix B 73 ...
Page 87: ...Example Programs Appendix B 74 ...
Page 88: ...Example Programs Appendix B 75 ...
Page 90: ...Example Programs Appendix B 77 ...
Page 91: ...Example Programs Appendix B 78 ...
Page 97: ...Example Programs Appendix B B 4 9 Programs User_Parameter_Init 84 ...
Page 98: ...Example Programs Appendix B 85 ...
Page 99: ...Example Programs Appendix B User_Application Pos_Loop 86 ...
Page 100: ...Example Programs Appendix B 87 ...
Page 101: ...Example Programs Appendix B 88 ...
Page 102: ...Example Programs Appendix B 89 ...
Page 103: ...Example Programs Appendix B 90 ...
Page 104: ...Example Programs Appendix B 91 ...
Page 105: ...Example Programs Appendix B 92 ...
Page 106: ...Example Programs Appendix B 93 ...
Page 107: ...Example Programs Appendix B Pos_Home_Sequence 94 ...
Page 108: ...Example Programs Appendix B 95 ...
Page 109: ...Example Programs Appendix B 96 ...