Detailed Description Of The Signals; Speed Control Mode - Mitsubishi Electric EZMOTION MR-E Super MR-E-10A-QW003 Instruction Manual

15. MR-E- AG-QW003 SERVO AMPLIFIER COMPATIBLE WITH ANALOG INPUT

15.2.5 Detailed description of the signals

(1) Speed control mode

(a) Speed setting
1) Speed command and speed
The servo motor is run at the speeds set in the parameters or at the speed set in the applied voltage
of the analog speed command (VC). A relationship between the analog speed command (VC)
applied voltage and the servo motor speed is shown below.
In the initial setting, rated speed is
No.25.
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CW direction
The following table indicates the rotation direction according to forward rotation start (ST1) and
reverse rotation start (ST2) combination.
(Note 1) External input signals
Note 1. 0: off
The forward rotation start (ST1) and reverse rotation start (ST2) can be assigned to any pins of the
connector CN1 using parameters No.43 to 48.
Generally, make connection as shown below.
Preset rotation speed
(Value for parameter No.25) [r/min]
Speed [r/min]
CCW direction
10
0 10
VC applied voltage [V]
Preset rotation speed
(Value for parameter No.25)
ST2 ST1
0 0
0 1
1 0
1 1
1: on
2. Releasing the torque limit during servo lock may cause the servo motor to suddenly rotate according to the position
deviation from the instructed position.
10 to
10V. The speed at
Forward rotation (CCW)
(Note 2) Rotation direction
Analog speed command (VC)
Polarity 0V
Stop Stop
(Servo lock) (Servo lock)
CCW Stop
(No servo lock)
CW
Stop Stop
(Servo lock) (Servo lock)
Servo amplifier
ST1
ST2
VIN
10V
VC
LG
SD
15 - 20
10V can be changed using parameter
Reverse rotation (CW)
Internal speed
commands
Polarity
Stop
(Servo lock) (Servo lock)
CW
CCW
Stop
(Servo lock) (Servo lock)
Stop
CCW
CW
Stop