Mitsubishi plc user manual / hand book
FX-2AD-PT Mitsubishi Melsec PLC Analogue Input Module.
2 X PT100 Analogue Inputs.-100°C - +600°C Range.
The FX-2AD-PT analog input block amplifies the
input from two platinum temperature sensors
(PT 100 3 wire, 10052), converts the data into a
12-bit digital reading, and transfers the results
to an FX series programmable controller. Optical
coupling is used to ensure that voltage
surges do not damage other parts of your
*** Compatible Programmable Controllers
The FROM/TO instructions are used for transferring
data to/from the programmable controller.
Hence, versions 2.0 or subsequent versions of
the FX series programmable controllers (those
with serial no. of 13XXXX or larger) are required.
*** Unit Specifications
The FX-2AD-PT occupies 8 I/O's but does not
affect the addressing of input and output relays.
For the purposes of power consumption,
the FX-2AD-PT unit draws 30mA from the 5v rail
of the base unit.
*** Measuring Units
The FX-2AD-PT unit measures temperature in
Centigrade ("C) to a resolution of 0.2 "C, or in
Fahrenheit (OF) to a resolution of 0.36 OF.
*** Status Information
Information concerning the working status of
the FX-2AD-PT including error messages can
be sent to the programmable controller.
*** Suitable Sensors
3-wire, 100Q PT100 platinum temperature sensors
with the following specification are usable:
3850 PPM/"C (JIS C1604-1989)
(DIN 43760) 1
FX-2AD-PT PT100 probe interface
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