Modbus RTU Output Multi-turn Absolute Encoder CAX60 Series

  • Universal Modbus RTU communication protocol
  • Clock-type gear structure multi-turn absolute encoder
  • Multiple resolutions are available, such as 12-bit, 14-bit, 16-bit, etc.
  • 60mm outer diameter, Clamping flange, servo flange or blind hollow shaft, the international standard structure
  • A “magnetic detection mode”, with excellent impact and vibration resistance
  • Programmable, intelligent absolute value encoder; professional setting software, convenient for user operation
  • Wide operating voltage, low current consumption


Operating Voltage

10-30Vdc or 5V  polarity protection

Current Consumption

< 40mA   (24V power supply)  no load

Output Signal

Modbus RTU output

 Conform to the standard of GB/Z19582

Settable for length/ angle /velocity measurement  

Linearity Resolution



Repeatability Precision

Signal adjustment

1~4096 laps, Clock-type gear structure

Repeatability ±2BIT( Actual precision related with installation and shaft concentricity.)   Resolution or direction settable, external setting line preset functiion.

Operating Temperature

-25—80℃     Programming temperature range:0℃~+70℃

Storage Temperature

Protection class

Vibration & shock


IP67 for housing      IP65 for shaft


Permissible Rotation Rate


Connection Cable

1m 8-core shielded cable.

Overall Feature

Clamping flange or synchronous flange, metal enclosure, sealed dual-bearing structure ( see attached drawing of overall dimension)

Modbus RTU Factory Parameters

Function code


Baud rate











Reset command
Host sends 01H 05H 00H 00H check code
Slave reply: 01H 05H 00H 00H check code

Read the measurement data commands
Host sends 01 04 00 01 00 02 20 0B
Note: 01 is encoder address , 04H is function code , 00H 01H is the data address , 00H 02H is data length , 20H 0BH is check code.
Slave reply: 01H 04H 04H 00H 00H 01H 00H FAH 14H
Note: 01 is encoder address, 04H is the function code, 04H is the data length, 00H 00H 01H 00H is the data, FAH 14H is check code.

Installation dimensions (mm)

Clamping & synchro flange(default)

synchro flange

Blind hollow shaft

Featured software

By the professional PC setting software provided by CALTSENSOR, you can easily modify the counting direction, working mode, address, baud rate, resolution, and reference bit of the encoder;  and Observe the current encoder data in real time.

If needed, please click this button to download the associated software.

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