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MELSEC-A
1 OVERVIEW
1
1 OVERVIEW
This user's manual explains the specifications, handling, programming methods and
others of Type AJ65SBT-64AD analog-digital converter module (hereafter abbreviated
to the "AJ65SBT-64AD") which is used as a remote device station of a Control &
Communication Link (hereafter abbreviated to "CC-Link") system.
The AJ65SBT-64AD converts the analog signals (voltage or current input) from the
PLC's external source to a 16-bit encoded binary data digital value.
1.1 Features
This section gives the features of the AJ65SBT-64AD.
(1) High accuracy
This module performs A/D conversion at the accuracy of ±0.4% relative to the
maximum value of the digital output value at the operating ambient temperature
of 0 to 55°C, or at ±0.2% relative to the maximum value of the digital output value
at the operating ambient temperature of 25±5°C.
(2) Input range selectable per channel
You can choose the analog input range per channel to change the I/O conversion
characteristics.
(3) High resolution of 1/±4000
By changing the input range, you can choose and set the digital value resolution
to either 1/4000 or 1/±4000 (when the -10 to +10V range or user range setting 1
is selected) to provide high-resolution digital values.
(4) Designation of sampling processing or moving average processing
As a conversion method, you can specify sampling processing or moving
average processing per channel.
(5) Smaller than the conventional A/D converter module
This module is 60% smaller in installation area and 38% less in volume than the
conventional CC-Link A/D converter module (AJ65BT-64AD).
(6) Up to 42 modules connectable
You can connect up to 42 AJ65SBT-64AD modules to one master station.