Delta AS Series Programming Manual page 173

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AS Ser ies Pro gra mm in g M anu al

After power-on, the module allocation of the above example is as shown below.

SR1559 = 2; SR1560 = 4

The order number is counted by the right-side modules connected to the CPU module and then counted by the RTU

SR number (order)

SR number (order)

If RTU is disconnected, after reconnected, the system refreshes the SR.

SR1559 = 1; SR1560 = 4

23. Auto-reset flags for pulse output

While executing the pulse output instructions, to avoid the control over the same pulse output device is taken

repeatedly by different type or diffent triggered output instrucitons. PLC auto-reset the right to control the

pulse instruction to the first executed instruction till the assigned instruction is completely stopped. Because

of the unique characteristic, PLC scan cannot detect if the pulse instruction is stopped when you use the

pulse output instruction in the ST language, interrupt subroutine or one-time function block. Therefore, the

right to control the pulse instruction is kept and any ongoing instructions can neither be executed nor

outputted normally.

To free the right to execute other pulse output instructions, you can use the auto-reset flags for the PLC to

check if the output is complete.

Note: you can set the auto-reset flags to ON and once the output is complete, the flag resets to OFF

automatically.

Even number axis for output

Auto-reset when the output is

Odd number axis for output

Auto-reset when the output is

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