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This action is easily programmed by using IR 22500 as a work bit as the operand
of the DIFFERENTIATE UP instruction (DIFU(13)). When IR 00000 turns ON, IR
22500 will be turned ON for one cycle and then be turned OFF the next cycle by
DIFU(13). Assuming the other conditions controlling IR 00100 are not keeping it
ON, the work bit IR 22500 will turn IR 00100 ON for one cycle only.
22500
DIFU(13) 22500
00000
00001
00002
00003
00004
00005
00100
Address
Instruction
Operands
00000
LD
00000
00001
DIFU(13)
22500
00002
LD
22500
00003
LD
00001
00004
AND NOT
00002
00005
AND NOT
00003
00006
OR LD
---
00007
LD
00004
00008
AND NOT
00005
00009
OR LD
---
00010
OUT
00100
4-10 Programming Precautions
The number of conditions that can be used in series or parallel is unlimited as
long as the memory capacity of the PC is not exceeded. Therefore, use as many
conditions as required to draw a clear diagram. Although very complicated dia-
grams can be drawn with instruction lines, there must not be any conditions on
lines running vertically between two other instruction lines. Diagram A shown
below, for example, is not possible, and should be drawn as diagram B. Mne-
monic code is provided for diagram B only; coding diagram A would be impossi-
ble.
00003
Instruction 2
Instruction 1
00002
00000
00001
00004
Diagram A
Instruction 1
00004
00003
00000
00001
Diagram B
00002
Instruction 2
00004
00000
00001
Address
Instruction
Operands
00000
LD
00001
00001
AND
00004
00002
OR
00000
00003
AND
00002
00004
Instruction 1
00005
LD
00000
00006
AND
00004
00007
OR
00001
00008
AND NOT
00003
00009
Instruction 2
The number of times any particular bit can be assigned to conditions is not lim-
ited, so use them as many times as required to simplify your program. Often,
complicated programs are the result of attempts to reduce the number of times a
bit is used.
Programming Precautions
Section 4-10
Содержание SYSMAC C200HS
Страница 1: ...Cat No W235 E1 05 C200HS SYSMAC Programmable Controllers...
Страница 2: ...C200HS Programmable Controllers Operation Manual Revised February 2002...
Страница 3: ...iv...
Страница 5: ...vi...
Страница 379: ...371 SR word Corresponding key s Bit 279 03 04 05 3 06 07 VER 08 09 Monitoring Operation and Modifying Data Section 7 1...
Страница 470: ...468 Programmer Program Date Page Word Contents Notes Word Contents Notes Data Storage...
Страница 471: ...469 Programmer Program Date Page TC address T or C Set value Notes TC address T or C Set value Notes Timers and Counters...