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MITSUBISHI CNC
III Functional Specifications
(3) External key input
By inputting the key data from the built-in PLC, the same operation as when the operator operates
the operation board can be done.
(4) Real spindle speed output
The real spindle speed is converted by the signals of the encoder installed on the spindle and is
output to the PLC. The output increment is 0.001r/min.
(5) High speed input/output signal
There are signals that can be input and output at a 3.5ms cycle for high-speed processing.
(a) Input signal ON time
(a) tson ≧ 3.5ms
(b) After the signal output is set in the interface, it can be output to the machine side with a max.
3.5ms delay. The input also appears on the interface with a 3.5ms delay.
(c) The signals used for high-speed processing are assigned with the parameters. Assignment is
possible in a continuous 16-point unit.
(6) PLC analog voltage control
(a) Analog output
When the specified data is put in the file register, the corresponding analog voltage is output
from the analog output external connector.
<Relationship between file register contents and analog output voltage>
- 4095
(a) Contents of file register
(Note) The remote I/O unit DX120/DX121 is required for analog output.
III - 370
(a)
tson
10V
0
4095
- 10V
0 to ± 10V( ± 5%)
Output voltage
Resolution
Full scale (10V)/4095
10kΩ resistance load
Load condition
(standard)
Output impedance
220Ω
(a)
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