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143
Flags
ER:
Indirectly addressed DM word is non-existent. (Content of
*
DM word
is not BCD, or the DM area boundary has been exceeded.)
EQ:
ON if Cp1 equals Cp2.
LE:
ON if Cp1 is less than Cp2.
GR:
ON if Cp1 is greater than Cp2.
Flag
Address
C1 < C2
C1 = C2
C1 > C2
GR
25505
OFF
OFF
ON
EQ
25506
OFF
ON
OFF
LE
25507
ON
OFF
OFF
The following example shows how to save the comparison result immedi-
ately. If the content of HR 09 is greater than that of 010, 00200 is turned ON;
if the two contents are equal, 00201 is turned ON; if content of HR 09 is less
than that of 010, 00202 is turned ON. In some applications, only one of the
three OUTs would be necessary, making the use of TR 0 unnecessary. With
this type of programming, 00200, 00201, and 00202 are changed only when
CMP(20) is executed.
CMP(20)
010
HR 09
00000
25505
00200
25507
00202
TR
0
25506
00201
Greater Than
Equal
Less Than
Address
Instruction
Operands
Address
Instruction
Operands
00000
LD
00000
00001
OUT
TR
0
00002
CMP(20)
010
HR
09
00003
LD
TR
0
00004
AND
25505
00005
OUT
00200
00006
LD
TR
0
00007
AND
25506
00008
OUT
00201
00009
LD
TR
0
00010
AND
25507
00011
OUT
00202
The following example uses TIM, CMP(20), and the LE flag (25507) to pro-
duce outputs at particular times in the timer’s countdown. The timer is started
by turning ON 00000. When 00000 is OFF, TIM 010 is reset and the second
two CMP(20)s are not executed (i.e., executed with OFF execution condi-
tions). Output 00200 is produced after 100 seconds; output 00201, after 200
seconds; output 00202, after 300 seconds; and output 00204, after 500 sec-
onds.
The branching structure of this diagram is important in order to ensure that
00200, 00201, and 00202 are controlled properly as the timer counts down.
Example 1:
Saving CMP(20) Results
Example 2:
Obtaining Indications
during Timer Operation
Data Comparison
Section 5-15
Содержание SYSMAC C200H
Страница 1: ...OPERATION MANUAL C200H CPU01 E 03 E 11 E SYSMAC Programmable Controllers Cat No W130 E1 05 ...
Страница 2: ...C200H Programmable Controllers CPU01 E 03 E 11 E Operation Manual Revised June 2003 ...
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Страница 8: ...TABLE OF CONTENTS ix Glossary 345 Index 363 Revision History 369 ...
Страница 342: ...336 Programmer Program Date Page Word Contents Notes Word Contents Notes Data Storage ...
Страница 374: ...Cat No W130 E1 05 C200H Programmable Controllers CPU01 E 03 E 11 E OPERATION MANUAL ...