PC NC Maintenance Manual Chapter 4: Troubleshooting
4-28
Note: If “1” is set for parameter pm1000 D5, SSTP input is reversed.
(f) Setting for the parameters related to spindle operation is
incorrect.
Verify the setting for the related parameters.
Figure 4.2: Spindle Rotation
Table 4.15: Input of GRO and SOR and S4-digit Command Analog Voltage
I/O Monitor #3110
S4-digit Command Analog VoltageD7 D6
GRO Input SOR Input
0 0 Voltage corresponding to the spindle speed
specified in the NC program.
0 1 Voltage corresponding to parameter pm 1412
1 0 Voltage corresponding to parameter pm 1413
110V
#3110 D0 GR1
#3110 D1 GR2
#3110 D2 GR3
#3110 D3 GR4
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