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Timer and Counter Instructions Section 3-6
Example 2:
Two-stage Counter
When an SV higher than 9999 is required, two counters can be combined as
shown in the following example. In this case, two CNT instructions are com-
bined to make a BCD counter with an SV of 20,000.
Example 3:
ON/OFF Delay
In this example two TIM timers are combined with KEEP(011) to make an ON
delay and an OFF delay. CIO 000500 will be turned ON 5.0 seconds after
CIO 000000 goes ON and it will be turned OFF 3.0 seconds after CIO 000000
goes OFF.
000000
000001
A20011
C0001
000000 LD 000000
000001 AND 1 s
000002 LD 000001
000004 CNT 0001
#0700
000005 LD C0001
000006 OUT 000202
000003 OR A20011
Instruction OperandsAddress
1 s (1-s clock)
000000 LD 000000
000001 AND 000001
000002 LD NOT 000002
000003 OR C0001
000004 OR C0002
000005 CNT 0001
#0100
000006 LD C0001
000007 LD NO 000002
000008 CNT 0002
#0200
000009 LD C0002
000010 OUT 000203
Instruction OperandsAddress