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Hitachi SJ300 Setup Instructions page 4

Closed loop vector control electronic gearing (master/slave)
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7. Drive parameter set-up (performed on both master and slave drives)
7.1. Preliminary test.
7.1.1. The goal is to set-up both master and slave drive as a standard closed loop
vector drives first before making the minor changes for electronic gearing.
7.1.2. Parameter changes.
A081
A082
A001
A002
7.1.2.1.These parameters will allow the drive to be driven locally to verify the
operation of the system in constant torque mode prior to closed loop
control.
7.2. Run test.
7.2.1. Parameter changes.
A044
P010
7.2.1.1.The drive is now in closed loop vector mode; and must be tuned prior
to run.
7.2.2. Tuning.
7.2.2.1.Follow auto-tuning procedure on page 4-67 of SJ300 manual.
7.2.2.1.1. It is recommended to perform auto-tune procedure with active
7.2.2.2.H002 must be set to 01 or 02 after tuning is complete.
7.2.3. Run.
7.2.3.1.Ensure speed pot on front of keypad is turned to 0%.
7.2.3.2.Press the run button and see if run indicator in illuminated.
7.2.3.3.Slowly bring up speed reference and verify rotation.
7.2.3.3.1. Note – If the motor acts erratic or trips out (over-current)
7.2.4. Test completion.
8. Electronic Gearing
8.1. Feedback set-up.
8.1.1. Hardware
8.1.1.1.Install pulse output cable from last 4 terminal screws on terminal 2 of
master SJ-FB to the first 4 terminal screws on terminal 2 of the slave
SJ-FB (see page 25 of SJ-FB manual).
8.2. Master drive set-up.
8.2.1. It is no different than the standard SJ300 closed loop vector control
scheme for velocity already set-up.
8.2.1.1.The pulse output from the last 4 terminal screws on terminal 2 is
always present regardless of set-up if SJ-FB is plugged in.
00 – AVR Always on
XX – Motor nameplate voltage
00 – Speed reference local control
02 – Run enable local control
05 – closed loop vector control
01 – option card valid
rotation (H001 – 02)
quickly, then swap the poles of the B channel on the SJ-FB card.
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