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114
Flags
ER:
SV is not in BCD.
Indirectly addressed DM word is non-existent. (Content of
*
DM word
is not BCD, or the DM area boundary has been exceeded.)
All of the following examples use OUT in diagrams that would generally be
used to control output bits in the IR area. There is no reason, however, why
these diagrams cannot be modified to control execution of other instructions.
The following example shows two timers, one set with a constant and one set
via input word 005. Here, 00200 will be turned ON after 00000 goes ON and
stays ON for at least 15 seconds. When 00000 goes OFF, the timer will be
reset and 00200 will be turned OFF. When 00001 goes ON, TIM 001 is
started from the SV provided through IR word 005. Bit 00201 is also turned
ON when 00001 goes ON. When the SV in 005 has expired, 00201 is turned
OFF. This bit will also be turned OFF when TIM 001 is reset, regardless of
whether or not SV has expired.
00000
TIM 000
00001
TIM 001
00200
00201
015.0 s
TIM 000
#0150
TIM 001
IR 005
IR 005
Address
Instruction
Operands
00000
LD
00000
00001
TIM
000
#
0150
00002
LD
TIM
000
00003
OUT
00200
00004
LD
00001
00005
TIM
001
005
00006
AND NOT
TIM
001
00007
OUT
00200
There are two ways to achieve timers that operate for longer than 999.9 sec-
onds. One method is to program consecutive timers, with the Completion
Flag of each timer used to activate the next timer. A simple example with two
900.0-second (15-minute) timers combined to functionally form a 30-minute
timer.
00000
TIM 001
TIM 002
00200
900.0 s
900.0 s
TIM 001
#9000
TIM 002
#9000
Address
Instruction
Operands
00000
LD
00000
00001
TIM
001
#
9000
00002
LD
TIM
001
00003
TIM
002
#
9000
00004
LD
TIM
002
00005
OUT
00200
In this example, 00200 will be turned ON 30 minutes after 00000 goes ON.
TIM can also be combined with CNT or CNT can be used to count SR area
clock pulse bits to produce longer timers. An example is provided in 5-12-3
COUNTER – CNT.
TIM can be combined with KEEP(11) to delay turning a bit ON and OFF in
reference to a desired execution condition. KEEP(11) is described in 5-7-3
KEEP – KEEP(11).
Examples
Example 1:
Basic Application
Example 2:
Extended Timers
Example 3:
ON/OFF Delays
Timer and Counter Instructions
Section 5-12
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 ...