4. OPERATION

4.4.9 Dog cradle type home position return

The position where the first Z-phase signal is issued after detection of the proximity dog front end can be defined as a home position.

(1)Signals, parameters

Set the input signals and parameters as indicated below.

Item

Device/Parameter used

Description

Manual home position return mode

Automatic/manual selection (MD0)

MD0 is switched on.

selection

 

 

Dog cradle type home position

Parameter No.8

7: Select the dog cradle type.

return

 

 

Home position return direction

Parameter No.8

Refer to Section 4.4.1 (2) in this section and

select the home position return direction.

 

 

Dog input polarity

Parameter No.8

Refer to Section 4.4.1 (2) in this section and

select the dog input polarity.

 

 

Home position return speed

Parameter No.9

Set the speed till the dog is detected.

Creep speed

Parameter No.10

Set the speed after the dog is detected.

Home position shift distance

Parameter No.11

Set when the home position is moved from the Z-

phase signal position.

 

 

Home position return

 

Use the acceleration/deceleration time constants

acceleration/deceleration time

Parameter No.41

set in parameter No. 41.

constants

 

 

 

Home position return position data

Parameter No.42

Used to set the current position on completion of

home position return.

 

 

 

Select the program including the

 

Program

"ZRT" command that executes a

 

 

home position return.

 

(2) Timing chart

The following shows the timing chart that starts after selection of the program including the "ZRT" command.

Automatic/manual

ON

selection (MD0)

OFF

Movement complete (PED) ON

 

OFF

Home position return

ON

completion (ZP)

OFF

 

 

Home position return speed Home position shift distance

Forward

Creep speed

 

rotation

 

 

Servo motor speed 0r/min

3ms or less

 

Reverse

Home position address

rotation

 

Proximity dog

Parameter No. 42

 

 

Z-phase

ON

 

 

 

OFF

 

 

Proximity dog (DOG)

ON

 

 

OFF

 

 

Forward rotation

ON

 

 

start (ST1)

OFF

 

 

5ms or more

The address on completion of home position return is the value automatically set in parameter No.42 (home position return position data).

4 - 41

Page 124
Image 124
Mitsubishi Electronics MR-J2S- CL specifications Dog cradle type home position return, Phase signal position

MR-J2S- CL specifications

Mitsubishi Electronics has long been a pioneer in automation and control technology, and one of its prominent offerings is the MR-J2S-CL servo amplifier. Designed to enhance the performance of servo motors, the MR-J2S-CL is a critical component in various applications, ranging from industrial machinery to robotics.

One of the standout features of the MR-J2S-CL is its high-performance control capabilities. This servo amplifier supports both position and speed control, enabling precise movement and responsiveness in dynamic applications. The MR-J2S-CL boasts a sophisticated control algorithm that ensures superior torque response, making it ideal for applications that require quick and accurate motion control.

The MR-J2S-CL employs advanced features such as the Auto-Tuning function, which automatically adjusts the servo settings to optimize performance for the specific load conditions. This automation simplifies setup processes and reduces downtime, allowing users to quickly configure the system to their needs.

In terms of connectivity, the MR-J2S-CL is equipped with various communication options, including the CC-Link and Mitsubishi's own MELSEC communications. These options facilitate seamless integration with other devices and control systems, enhancing the overall interoperability of factory automation setups.

Another critical aspect of the MR-J2S-CL is its built-in safety features. The amplifier includes functionalities like safe torque off (STO) and overcurrent protection, which contribute to the overall safety of the operation. These safety measures are essential in reducing the risk of accidents in environments where human interaction occurs alongside machinery.

The MR-J2S-CL is designed with durability and reliability in mind. It has a robust construction that is capable of withstanding harsh industrial environments, including high temperatures and dust exposure. This resilience ensures a long service life, reducing maintenance needs and operational costs.

Furthermore, the MR-J2S-CL is compatible with a wide range of Mitsubishi servo motors, making it a versatile choice for various applications. Its comprehensive capabilities, combined with user-friendly interface options, allow for easy programming and monitoring of performance.

In summary, the Mitsubishi Electronics MR-J2S-CL servo amplifier stands out for its high-performance control, advanced safety features, and robust design. It effectively meets the demands of various industrial applications, making it a valuable asset in modern automation and manufacturing environments. With its blend of precision, reliability, and flexibility, the MR-J2S-CL continues to be a preferred choice for engineers and manufacturers alike.