Control Unit "Degree" Handling - Mitsubishi Electric MELSEC-L LD75P User Manual

9.1.5

Control unit "degree" handling

When the control unit is set to "degree", the following items differ from when other control units are set.
(1) Current feed value and machine feed value addresses
The "[Md.20] Current feed value" address is a ring address between 0 and 359.99999.
But the address of "[Md.21] Machine feed value" doesn't become a ring address.
(2) Software stroke limit valid/invalid setting
With the control unit set to "degree", the software stroke limit upper/lower limit values are 0 to 359.99999.
(a) Setting to validate software stroke limit
To validate the software stroke limit, set the software stroke limit lower limit value and the upper limit value in a
clockwise direction.
To set the movement range A, set as follows.
• Software stroke limit lower limit value  315.00000
• Software stroke limit upper limit value  90.00000
To set the movement range B, set as follows.
• Software stroke limit lower limit value  90.00000
• Software stroke limit upper limit value  315.00000
(b) Setting to invalidate software stroke limit
To invalidate the software stroke limit,
set the software stroke limit lower limit value equal to the software stroke limit upper limit value.
The control can be carried out irrespective of the setting of the software stroke limit.
359.99999° 359.99999°
0°
0°
0
315.00000
Section A
Section B
CHAPTER 9 MAJOR POSITIONING CONTROL
0°
Clockwise direction
90.00000
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