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M800VW/M80VW Series Connection and Setup Manual
35 OMR Control
35.2 OMR-FF
35.2.1 OMR-FF Enabling Procedure (Servo)
(1) Disable the OMR-FF function.
Set "#2139 omrff_off" to "1".
Set "#2313 SV113/bit0" to "0".
(2) Use software such as NC Analyzer2 to adjust the feedback system (position loop gain, etc.) and inertia (# 2237 SV037
JL).
(For details, refer to the "Instruction Manual" of NC Analyzer2 and the "Instruction Manual" of your drive unit.)
(3) Enable the OMR-FF function.
Set "#2139 omrff_off" to "0".
Set "#2313 SV113/bit0" to "1".
(4) Set the parameters related to the OMR-FF function.
Set the same value as "#2203 SV003 PGN" to "#2306 SV106 PGM".
Set "#2312 SV112 IFF" to "10000".
To further adjust various gains, refer to the "Instruction Manual" for your drive unit.
35.2.2 OMR-FF Enabling Procedure (Spindle)
(1) Disable the OMR-FF function.
Set "#13229 SP229/bit0" to "0".
(2) Use software such as NC Analyzer2 to adjust the feedback system (position loop gain, etc.) and inertia (# 13037 SP037
JL).
(For details, refer to the "Instruction Manual" of NC Analyzer2 and the "Instruction Manual" of your drive unit.)
(3) Enable the OMR-FF function.
Set "#13229 SP229/bit0" to "1".
Set the following parameters for OMR-FF according to the desired mode.
For spindle C-axis mode, set "#13035 SP035/bitD" to "1".
For spindle synchronization control mode, set "#13036 SP036/bit5" to "1".
(4) Set the parameters related to the OMR-FF function.
Set the same value as "#3203 SP003 PGN" to "#13106 SP106 PGM".
Set "#13112 SP112 IFF" to "10000".
To further adjust various gains, refer to the "Instruction Manual" for your drive unit.
35.2.3 Precautions
(1) While OMR-FF control is being performed, the conventional feed forward control parameter (#2010 fwd_g) is disabled.
(2) To perform the synchronous control, set the axis parameters and servo parameters of the axes related to OMR-FF control
of the master axis and slave axis to be the same.
(3) For the spindle, OMR-FF control is valid only in C-axis mode or spindle synchronization mode.
(4) To use the variable speed thread cutting function, set "#13036 SP036/bit5" to "0". However, in that case, OMR-FF control
is invalid while spindle synchronization control is being performed.
(5) The OMR-FF control is disabled during the synchronous tapping, and the conventional feed forward control is performed.
(6) This function cannot be used in combination with a spindle type servo.
583
IB-1501612-C
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