29 POSITIONING CONTROL FUNCTION
29.4 Auxiliary Function
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Multiple axes simultaneous activation
Tables for up to 4 axes can be activated at the same time with the DRVMUL instruction. Continuous operation can be
performed. (Page 551 Continuous operation) After the operation is started, each axis operates independently, thus, table
shift timing during continuous operation does not need to be considered.
• The axes to be driven simultaneously must be from the same module. (Example. The combination of axis 1 and axis 2 in
the CPU module and axis 5 and axis 6 in a high-speed pulse input/output module is not allowed.)
• 3 axes can be simultaneously driven for the FX5UJ CPU module.
• 2 axes can be simultaneously driven for the high-speed pulse input/output module.
Detection of absolute position
The absolute position (ABS) data of the servo amplifier can be read with the DABS instruction.
For the absolute position detection operation, refer to Page 507 Outline of operation.
All module reset when a stop error occurs
When the system intends to stop the pulse output but fails to do so due to a bus error, this function resets all the extension
modules while immediately stopping the pulse output. (Page 397 Enabled/Disabled Reset All Modules at Error Stop)
For supported versions for all module reset when a stop error occurs, refer to Page 942 Added and Enhanced Functions.
In addition, all modules are reset when the following conditions are satisfied.
• All module reset instruction (SM4210) is turned ON
• F5F5H (reset permission code) is stored in the all module reset instruction permission code (SD4210)
An error occurs when stop by reset. To restart operation of the extension module, turn the power of the CPU module from off
to on or reset the system.
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