Hitachi MICRO-EHV+ - Page 131

Chapter 3 Programming
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MV_PLS_Changespeed
FB name
Description
MV_PLS_Changespeed
This function block is to change frequency of pulse train for speed control. This function block
works only when pulse train is in operation by MV_PLS_speed.
Name
Type
I/O
Descriptions
xExecute
BOOL
IN
A rising edge starts the execution.
byChannel
BYTE
IN
Channel number (1 to 3)
wAccDec_ratio
WORD
IN
Acceleration ratio (1 to 65,535 [Hz/100ms])
dwFrequency
DWORD
IN
Frequency of pulse train outputs (20 to 100,000 [Hz])
xDone
BOOL
OUT
Execution done successfully
xError
BOOL
OUT
Error occurred
MV_PLS_Stop
FB name
Description
MV_PLS_Stop
This function block is to stop pulse train outputs for position and speed control both.
Name
Type
I/O
Descriptions
xExecute
BOOL
IN
A rising edge starts the execution.
byChannel
BYTE
IN
Channel number (1 to 3)
xMode
BOOL
IN
0: Stop with ramp
1: Stop without ramp
wDec_ratio
WORD
IN
Deceleration ratio (1 to 65,535 [Hz/100ms])
If ramp is not used (xMode=1), set 0 or leave as no connection.
xDone
BOOL
OUT
Execution done successfully
xError
BOOL
OUT
Error occurred
N o t e
If output configuration is changed from pulse train output to standard DC output, the PLC must be power-cycled.