7.4
Absolute position detection system via
communication [A]
The absolute position detection system via communication is available on servo amplifiers with firmware
version B6 or later.
The absolute position detection system via communication establishes the absolute position between the controller and servo
amplifier, by transferring the absolute position information from the servo amplifier to the controller using the serial
communication.
Serial communication command
The following shows the commands to read absolute position data using the serial communication function. When reading the
data, ensure that the station No. of the servo amplifier is correct.
Sending the data No. from the master station to the slave station (servo amplifier) returns the data value to the master station.
Transmission
Transmit the command [0] [2] + data No. [9] [1].
Return
The servo amplifier returns the absolute position data in the command pulse unit in hexadecimal.
32 bit-wide data (in hexadecimal)
7 ABSOLUTE POSITION DETECTION SYSTEM
314
7.4 Absolute position detection system via communication [A]