Hitachi SJ Series User Manual page 383

Chapter 12 Chapter 12 Chapter 12
12. 12.17.8 Stopping at Designated Position Stopping at Designated Position Stopping at Designated Position Stopping at Designated Position
Q
• How to stop the system at the designated position • stop the system at the designated position stop the system at the designated position stop the system at the designated position stop the system at the designated position
for the maintenance of a machine tool. for the maintenance of a machine tool. for the maintenance of a machine tool. for the maintenance of a machine tool.
• How to use the orientation function. • How to use the orientation function. How to use the orientation function. How to use the orientation function.
A
• The orientation control is available for the pulse • The orientation control is available for the pulse The orientation control is available for the pulse The orientation control is available for the pulse The orientation control is available for the pulse
train position control. train position control.
• • Used with the [AA121] control method set to 10: Used with the [AA121] control method set to 10: Used with the [AA121] control method set to 10: Used with the [AA121] control method set to 10: Used with the [AA121] control method set to 10:
vector control with sensor and vector control with sensor and the [AA123] vector vector control with sensor and
control mode set to 00: speed torque control mode control mode set to 00: speed torque control mode control mode set to 00: speed torque control mode control mode set to 00: speed torque control mode control mode set to 00: speed torque control mode
or 01: pulse train position control mode. or 01: pulse train position control mode. or 01: pulse train position control mode. or 01: pulse train position control mode.
• • This function enables you to determine the position This function enables you to determine the position This function enables you to determine the position This function enables you to determine the position This function enables you to determine the position
at any point within one rotation of the motor. This at any point within one rotation of the motor. This at any point within one rotation of the motor. This at any point within one rotation of the motor. This at any point within one rotation of the motor. This
can be used for replacing the main axis of a sed for replacing the main axis of a sed for replacing the main axis of a sed for replacing the main axis of a
machine tool, etc. machine tool, etc.
Operation command Operation command Operation command
(FW/RV) (FW/RV)
ORT terminal ORT terminal
Output Output
frequency frequency
Z pulse terminal Z pulse terminal Z pulse terminal
POK signal
(1) When the operation command is turned on while (1) When the operation command is turned on while When the operation command is turned on while When the operation command is turned on while When the operation command is turned on while
the [ORT] terminal is on, there is an acceleration the [ORT] terminal is on, there is an acceleration the [ORT] terminal is on, there is an acceleration the [ORT] terminal is on, there is an acceleration the [ORT] terminal is on, there is an acceleration
until the [AE until the [AE-12] orientation speed and a constant 12] orientation speed and a constant 12] orientation speed and a constant 12] orientation speed and a constant
speed is entered. speed is entered.
(During the operation, the speed is shifted to the (During the operation, the speed is shifted to the (During the operation, the speed is shifted to the (During the operation, the speed is shifted to the (During the operation, the speed is shifted to the
orientation speed as soon as the ORT t orientation speed as soon as the ORT terminal is orientation speed as soon as the ORT t orientation speed as soon as the ORT t
tuned on.) tuned on.)
(2) After the orientation speed is reached, there is a (2) After the orientation speed is reached, there is a After the orientation speed is reached, there is a After the orientation speed is reached, there is a After the orientation speed is reached, there is a
shift to the position control when the first Z pulse is shift to the position control when the first Z pulse is shift to the position control when the first Z pulse is shift to the position control when the first Z pulse is shift to the position control when the first Z pulse is
detected.
(3) (3) The position control is operated at the [AE The position control is operated at the [AE The position control is operated at the [AE The position control is operated at the [AE-11]
orientation stop position + one rotation for the orientation stop position + one rotation for the orientation stop position + one rotation for the orientation stop position + one rotation for the orientation stop position + one rotation for the
forward rotation and the [AE-11] orientation stop forward rotation and the [AE forward rotation and the [AE
position + two rotations for the reverse rotation as position + two rotations for the reverse rotation as position + two rotations for the reverse rotation as position + two rotations for the reverse rotation as position + two rotations for the reverse rotation as
a target value. a target value.
The larger the [AE-07] position loop ga The larger the [AE 07] position loop gain is, the 07] position loop ga
shorter the deceleration time becomes. shorter the deceleration time becomes. shorter the deceleration time becomes. shorter the deceleration time becomes.
(The deceleration time setting is not followed.) (The deceleration time setting is not followed.) (The deceleration time setting is not followed.) (The deceleration time setting is not followed.) (The deceleration time setting is not followed.)
the [AA123] vector the [AA123] vector
ON
ON
Speed control Speed control
erminal is
11]
11] orientation stop 11] orientation stop
in is, the
12 12-17-22
!
• For using this function, it is required to set the For using this function, it is required to set the For using this function, it is required to set the For using this function, it is required to set the For using this function, it is required to set the
[AA121] control method to 10: vector control with [AA121] control method to 10: vector control with [AA121] control method to 10: vector control with [AA121] control method to 10: vector control with [AA121] control method to 10: vector control with
sensor and use the encoder feedback. sensor and use the encoder feedback. sensor and use the encoder feedback. sensor and use the encoder feedback. sensor and use the encoder feedback.
• See See also "12.9.17 Using Encoder". also "12.9.17 Using Encoder". also "12.9.17 Using Encoder".
• The Z pulse (one rotation position signal) is used as The Z pulse (one rotation position signal) is used as The Z pulse (one rotation position signal) is used as The Z pulse (one rotation position signal) is used as The Z pulse (one rotation position signal) is used as The Z pulse (one rotation position signal) is used as
the reference signal for the positioning. the reference signal for the positioning. the reference signal for the positioning. the reference signal for the positioning. the reference signal for the positioning.
(1) When the encoder is connected to the P1 When the encoder is connected to the P1 When the encoder is connected to the P1 When the encoder is connected to the P1-FB When the encoder is connected to the P1
option: option:
Input the Z pulse between Input the Z pulse between Input the Z pulse between EZP-EZN.
(2) When the encoder is connected to When the encoder is connected to When the encoder is connected to the control When the encoder is connected to
circuit terminal block: circuit terminal block: circuit terminal block:
Assign the input terminal function 109:PLZ to any Assign the input terminal function 109:PLZ to any Assign the input terminal function 109:PLZ to any Assign the input terminal function 109:PLZ to any Assign the input terminal function 109:PLZ to any
of the input terminal and input the Z pulse. of the input terminal
(2) (2)
(1)
[AE-12] Orientation speed setting 12] Orientation speed setting 12] Orientation speed setting
(3)
ON
Position control Position control
(4) When the [AE When the [AE-05] positioning completion delay When the [AE 05] positioning completion delay 05] positioning completion delay
time passes after the remaining number of pulses time passes after the remaining number of pulses time passes after the remaining number of pulses time passes after the remaining number of pulses time passes after the remaining number of pulses time passes after the remaining number of pulses
enters the [AE-04] positioning completion range enters the [AE enters the [AE 04] positioning completion range 04] positioning completion range
setting, the [POK] signal is output. setti ng, the [POK] signal is output. ng, the [POK] signal is output.
(The output continues until the ORT termin (The output continues until the ORT termin (The output continues until the ORT termin (The output continues until the ORT termin (The output continues until the ORT terminal is
turned off.) turned off.)
After the positioning completes, the servo lock After the positioning completes, the servo lock After the positioning completes, the servo lock After the positioning completes, the servo lock After the positioning completes, the servo lock
status continues until the operation command is status continues until the operation command is status continues until the operation command is status continues until the operation command is status continues until the operation command is
turned off. turned off.
22
Inverter Functions Inverter Functions Inverter Functions
.
the control
and input the Z pulse. and input the Z pulse.
[AE-04] Positioning completion 04] Positioning completion
range setting
(4)
[AE- [AE-05] Positioning completion delay time 05] Positioning completion delay time 05] Positioning completion delay time