Delta AS Series Programming Manual page 1184

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Output present register
3.
The output point for the pulse direction output device D
output point in the table above.
4.
The pulse direction output device D
is plus (+) and D
is ON if S is minus (-).
2
5.
There is no ramp-up or ramp-down setting in the instruction. The instruction does not perform a ramp-up
operation at the beginning or ramp-down at stopping. If you want the ramp-up and ramp-down function, use the
DRAMP instruction (API 0703) for increasing and decreasing the pulse output frequency.
6.
While the instruction is executing the pulse output, the output immediately stops if the drive condition changes to
OFF.
7.
When the direction outputs are not using the default outputs to output, you can refer to the table below for setting
up the time for directional outputting goes first before pulse outputting. So that you can be sure the outputting only
happens when switching to the direction outputs. The unit for SR is millisecond and the range is 0-20 ms. Default is
0, indicating inactive.
Output point for D
1
SR number
Output point for D
1
SR number
Note: the time source here is from PLC scan time. (available for firmware version 1.02.20 or later)
8.
Refer to Example 3 from the DJOG instruction (API 2703) for programming in ST language.
Example
When M10 is ON, Y0.0 outputs the pulse at 20 kHz. Y0.1 = OFF means the positive direction for the pulse output.
SR460
SR480
SR461
SR481
changes its own state according to the minus or plus sign in S. D
2
Y0.0
Y0.1
SR640
SR641
Y0.6
Y0.7
SR646
SR647
Cha p ter 6 App l ied Ins truc tio ns
SR500
SR520
SR501
SR521
is affected by the scan cycle if it is not the recommended
2
Y0.2
Y0.3
SR642
SR643
Y0.8
Y0.9
SR648
SR649
SR540
SR560
SR541
SR561
is OFF if S
2
Y0.4
Y0.5
SR644
SR645
Y0.10
Y0.11
SR650
SR651
6 - 9 0 5
6_

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