3. SPECIFICATIONS MELSEC-A
3-7
3.7 Function List
Below is a function list of the AJ65BT-68TD.
Item Description Reference section
Wire breakage detection
• Detects wire breakage for the connected thermocouple by
channel.
Section 3.8.3
Conversion enable/disable
designation
• Performs conversion enable/disable settings by channel.
• Sampling time may be reduced by disabling the conversion
at channels not in use.
Section 3.8.4
Sampling processing/travel
average processing designation
• Designates sampling processing or travel average
processing by channel.
Section 3.8.5
Thermocouple type selection
• The thermocouple type to be used may be set for each
channel or in batch.
Section 3.8.6
Pt100 cold junction
compensation enable/disable
designation
• Designates the Pt100 cold junction compensation
enable/disable.
• By disabling the Pt100 cold junction compensation, a high-
accuracy ice bus is set outside of the module to increase
the cold junction compensation accuracy.
Section 3.8.7
Measured temperature
upper/lower limit value setting
• Sets the upper and lower limits of the measured
temperature by channel.
Section 3.9.2
Detected temperature storage
• A value to one decimal place (16-bit signed binary) will be
stored in the remote register.
Section 3.9.3
Scaling value storage
• The detected temperature value will be scaled to a value
of 0 to 2000 within the upper and lower limits and stored.
Section 3.9.4
Error compensation by
offset/gain value setting
• Error compensation is performed by setting the offset/gain
values.
Section4.4
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