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MDS-D2/DH2 Series Instruction Manual
2.8 Peripheral Control Wiring
2.8.2 Specified Speed Output
Specified speed output function turns the output signal ON when the machine-end speed is below the speed specified
with the parameter. This function enables the safety door, etc., to be locked to secure the machine operator when the
machine-end speed has exceeded the specified speed. This function can also be used for judging whether the current
machine-end speed reaches the specified speed.
The specified speed output signal is output to the digital signal output 2 (MPO2). Refer to the next page for details,
because the configuration of the parameters differs from the servo to spindle. For the 2-axis or 3-axis drive unit, it is
required to set the parameter to the all axes. The signal output turns ON when the all axes satisfy the conditions
(theoretical product output).
Specified speed signal output sequence
0 [mm/min] 0 [mm/min]
OFF ON ON
㩷
㩷
OFF ON ON
0 [mm/min]
0 [mm/min]
0 [mm/min]
0 [mm/min]
㩷
OFF
ON
ON
0 [mm/min]
0 [mm/min] 0 [mm/min]
0 [mm/min]
0 [mm/min]
0 [mm/min]
Speed command
Specified speed [mm/min]
Output signal
Machine end speed
For 1-axis drive unit
MDS-D2/DH2-V1, MDS-D2/DH2-SP
As for 2- axis drive unit, the output signal turns OFF when either axis exceeds the
specified speed, and it turns ON when both axes are within the specified speed.
For 2-axis drive unit
MDS-D2/DH2-V2, MDS-D2-SP2
Output signal
Specified speed [mm/min]
Specified speed [mm/min]
L-axis
M-axis
As for 3- axis drive unit, the output signal turns OFF when one of the axes exceed
the specified speed, and it turns ON when all axes are within the specified speed.
Output signal
Specified speed [mm/min]
Specified speed [mm/min]
M-axis
S-axis
Specified speed [mm/min]
L-axis
For 3-axis drive unit
MDS-D2-V3