Maximum Speed of Technology Object Positioning Axis with S71500T

Hello,

you can directly change the value in your program code.

"<TO>.DynamicLimits.MaxVelocity"

MaxVelocity   LREAL 0.0 … 1.0E12    RES      Maximum permissible velocity of the axis

9.2.16 "DynamicLimits" tag (positioning axis) (S7-1500, S7-1500T)

MaxVelocity LREAL 0.0 … 1.0E12    RES     Maximum permissible velocity of the axis

https://support.industry.siemens.com/cs/ww/en/view/109812057

Hello,

1) What's going on, if I change the Start value directly, in the DB Istance of  technology object in "<TO>.DynamicLimits.MaxVelocity" and then, reload the PLC ?

//After download it is active.

I Mean , without use that instruction( "WRIT_DBL")

2) When I restart the Technlogy Object using,the MC_RESET block, and then RESTART , Do I have to redo the zero as well, or does the position remain stored?

5.7.10 Resetting the "Homed" status (S7-1500, S7-1500T) Incremental encoder In the following cases, the "Homed" status is reset, and the technology object must be rehomed.

• Error in sensor system/encoder failure • Starting an "MC_Home" job with "Mode" = 3, 5, 8, 10 (As soon the homing mark has been approached, the status "Homed" is set to "TRUE".) • Replacement of the CPU • Replacement of the SIMATIC Memory Card • POWER OFF • Memory reset • Modification of the encoder configuration

• Restart of the technology object

• Restoration of the CPU factory settings • Transfer of a different project into the controller When you use a new incremental encoder you need to home the incremental encoder once again.

Absolute encoder In the following cases, the "Homed" status is reset, and the technology object must be rehomed.

• Replacement of the CPU • Changing the encoder type to incremental encoder • Restoration of the CPU factory settings • Transfer of a different project into the controller When you use a new absolute value encoder you need to home the absolute encoder once again. Resetting the memory of the CPU or upgrading a project does not require another absolute encoder adjustment.

https://support.industry.siemens.com/cs/ww/en/view/109812057

"WRIT_DBL" is only used for changing via programm.