Hitachi EH-A14EDR, Руководство по применению

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Chapter 3 Programming
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Double click on “Pulse_output_chx…” or right click and choose “Edit Object”. Pulse output configuration window
appears. Pulse output has Configuration tab and Mapping tab as below.
Configuration
Parameter Descriptions Choices Default
Direction Additional output besides pulse train output can be
used to define direction.
Disable Disable
Enable
Direction Logic Forward (Number of pulses = positive) : ON
Reverse (Number of pulses = negative) : OFF
Positive Positive
Forward (Number of pulses = positive) : OFF
Reverse (Number of pulses = negative) : ON
Negative
Mapping
Name I/O Type Descriptions
Output status Input (%IX) BOOL TRUE: Pulse train is being output.
FALSE: Pulse train is not output.
Number of pulses Input (%ID) DWORD Accumulated number of pulses is stored.
(position control only)
0 to 4,294,967,295 (direction disabled)
-2,147,483,648 to 2,147,483,647 (direction enabled)
When the number of pulses exceeds the maximum or minimum value, it returns to 0 or 4,294,967,295.
Operations
Pulse train output can be controlled by variables and function blocks as below.
Operations Variable or FB Name
Read output status Variable Output status (%IX)
Read accumulated number of pulses Variable Number of pulses (%ID)
Start pulse train output (position control) Function block MV_PLS_Start
Write current position data (position control) Function block MV_PLS_Write
Start pulse train output (speed control) Function block MV_PLS_speed
Change speed of pulse train output (speed control) Function block MV_PLS_Changespeed
Stop pulse train output Function block MV_PLS_Stop