PPC-HDD(MS)A User's Guide
Installing the Hardware Precautions
Install the hard disk unit on the MELSEC-Q Series base unit before it can be used.
Before using the hard disk unit, be sure to mount the MELSEC-Q Series base unit on the control panel
using screws. Do not use the base unit mounted on the DIN rail.
For mounting the base unit, refer to the “Mitsubishi General-purpose Sequencer QCPU (Q Mode) User’s
Manual (Hardware Design, Maintenance and Inspection)”.
Device is to be powered by limited Voltage/Current circuit of Listed Power Supplies,
Models : Q61P-A1, Q61P-A2, Q61P, Q63P, Q64P, manufactured by Mitsubishi Electric Corp.
Fastening the Hard Disk Unit
- Fit the unit fixing hook in the unit fixing slot in the base unit, then push the hard disk unit in the
direction of the arrow to set the hard disk unit on the base unit
Unit fixing slot
Unit fixing hook
- After setting the hard disk unit on the base unit, be sure to use the attached unit fixing screw to fasten
the hard disk unit to the base unit.
- Tighten the screw within the following torque range.
Tightening torque range: 36 - 48N·cm
If the hard disk unit may be subject to vibration between 4.9 and 9.8 m/s2, use a set of hard disk unit
shock-proof brackets [PPC-HBR-01] available as an option. For installing the base unit with the hard
disk unit on the control panel, refer to the manual for the shock-proof brackets.
5 PPC-HDD(MS)A