Manual Control; Mechanical Zero Return Control; Outline Of Mechanical Zero Return Control - Mitsubishi FX3U-20SSC-H User Manual

FX -20SSC-H Positioning Block User's Manual
3U
8.

Manual Control

8.1

Mechanical Zero Return Control

8.1.1

Outline of mechanical zero return control

1. Types of mechanical zero return operation
The mechanical zero return method for the 20SSC-H includes the following three variations (four modes).
• DOG type mechanical zero return (1 mode)
The position after stopping from the DOG signal with the zero signal of the servomotor becomes the zero-
point.
• Data-set type mechanical zero return (1 mode)
The position after moving with the JOG operation or manual pulse generator is defined as the zero-point.
• Stopper type mechanical zero return (2 modes)
The stopper position is defined as the zero-point.
- Stopper type (1)
This mechanical zero return method uses the DOG signal and stopper.
High speed travel is possible up to the DOG signal, thus reducing the time for mechanical zero ret
→ For details of the stopper type (1) mechanical zero return operation, refer to Subsection 8.1.4
- Stopper type (2)
This mechanical zero return method (creep speed only) uses only the stopper.
→ For details of the stopper type (2) mechanical zero return operation, refer to Subsection 8.1.5
2. Mechanical zero return operation
The mechanical zero return operation varies according to the zero return mode. For details, refer to the
following.
→ For details of the stopper type (1) mechanical zero return operation, refer to Subsection 8.1.4
→ For details of the stopper type (2) mechanical zero return operation, refer to Subsection 8.1.5
1) Turn the mechanical zero return command from OFF to ON to execute mechanical zero return.
2) After calibrating the zero-point, the current address is set as the mechanical zero-point address in the
positioning parameters.
3) The zero return complete flag turns ON.
Mechanical zero return command
Simultaneous START flag
Mechanical zero-point address
Zero return mode
Current address (user)
Current address (pulse)
Zero return complete
Zero phase passed
Function selection C-4
3. Zero return complete flag
The zero return complete flag turns ON (sets) when the mechanical zero return operation finishes. It turns
OFF (resets) when reactivating the mechanical zero return command, or when turning the power OFF.
134
→ For the parameters, control data and monitor data, refer to Chapter 11
→ For details on the DOG type mechanical zero return, refer to Subsection 8.1.2
→ For details on the data-set type mechanical zero return, refer to Subsection 8.1.3
→ For details on the DOG type mechanical zero return, refer to Subsection 8.1.2
→ For details on the data-set type mechanical zero return, refer to Subsection 8.1.3
Operation command 1
Operation command 1
Status information
Servo status
Servo parameters
(Advanced setting)
BFM Number
X-axis
BFM #518 b6 BFM #618 b6
BFM #518 b10
BFM #14029,#14028 BFM #14229,#14228
BFM #14031 BFM #14231
BFM #1,#0 BFM #101,#100
BFM #3,#2 BFM #103,#102
BFM #28 b3 BFM #128 b3
BFM #63 b0 BFM #163 b0
BFM #15080 BFM #15280
8 Manual Control
8.1 Mechanical Zero Return Control
Data type
Y-axis
Control data
Control data
Positioning parameters
Positioning parameters
Monitor data
Monitor data
Monitor data
Monitor data
Servo parameters