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13. Precautions for controlling the controller (LEC)
13. 1. Communication delay between the gateway unit unit and the controller(LEC)
There is communication delay between the gateway unit and the controller (LEC). Please refer to the
procedure below for the control procedure taking the delay into consideration
For details of each signal, please refer to the operation manual of each motor controller (LEC) to be
connected.
●
Example of operation indication with step data input mode
Command
(Input signal)
Response (Output signal)
(1) DRIVE input ON (1)
⇒
Confirm that all OUT0 to 5 in the
data information are changed to
OFF (0) from values before
DRIVE input ON (1).
(2) DRIVE input OFF (0)
⇒
Confirmed that OUT0 to 5 in the
data information is the value
within IN0 to 5 in specified data.
(3)
INP is ON (1) and BUSY is OFF
(0)
- Confirm
the
completion of
the operation.
Cautions for the above example
When the operation is ordered right after the operation shown below, the response of DRIVE above
are not recognized because OUT0 to 5 in the data information are all OFF (0) before turning ON (1) the
DRIVE input. In this case, take measures against the communication delay by using the timer.
【
Condition in which OUT0 to 5 in the data information is all OFF
】
- Supply of power
- During and the right after the returning to origin position.
- RESET input ON
- After DRIVE input OFF(0) after commanding to start step data No.0