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35 CPU MODULE BUILT-IN ANALOG FUNCTION
35.1 Specifications
35 CPU MODULE BUILT-IN ANALOG FUNCTION
This chapter describes the built into analog the FX5U CPU module.
The FX5U CPU module has 2 points of built-in analog voltage input and 1 point of built-in analog voltage output.
Values A/D-converted by the FX5U CPU module are written to special registers assigned to each channel. D/A-converted
analog data are output when values are set to special registers in the FX5U CPU module.
35.1 Specifications
This section describes the specifications.
Generic specifications
For the general specification, refer to the following manual.
MELSEC iQ-F FX5S/FX5UJ/FX5U/FX5UC User's Manual (Hardware)
Performance specifications
This section describes the performance specifications.
Analog input
*1 This specification does not apply to products manufactured before June 2016.
*2 "digit" refers to digital values.
Item Specifications
No. of analog input points 2 points (2 channels)
Analog input Voltage 0 to 10 V DC (input resistance 115.7 k)
Digital output Unsigned 12-bit binary
Device allocation SD6020 (A/D-converted input data of ch1)
SD6060 (A/D-converted input data of ch2)
Input characteristics, max. resolution Digital output value 0 to 4000
Max. resolution 2.5 mV
Accuracy
(Accuracy for the full scale of the digital output
value)
Ambient temperature
255
Within 0.5% (20 digit
*2
)
Ambient temperature 0 to
55
Within 1.0% (40 digit
*2
)
Ambient temperature -20
to 0
*1
Within 1.5% (60 digit
*2
)
Conversion speed 30 s/channel (data refreshed every operation cycle)
Absolute max. input -0.5 V, +15 V
Insulation method Inside the CPU module and the analog input circuit are not insulated.
Between input terminals (channels) is not insulated.
No. of occupied input/output points 0 point (does not pertain to the max. No. of input/output points of the CPU
module.)
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