Panasonic AFPX-C30T - FP-X RTD (Resistance Temperature Detector) Cassette

8.3.5 FP-X RTD (Resistance Temperature Detector) Cassette
Product No.: AFPX-RTD2
Item
Specifications
No. of input points
2 channels/cassette
Input range
RTD Pt100
Note1)
(-200.0 to +850.0 °C)
Digital conversion value
In normal condition
When exceeding rated range
When wire is broken
When data is getting ready
: K-2000 to K8500
: K-2150 to K-2001, K8501 to K8650
Note2)
: K20000
: K20001
Note3) Note4)
Resolution
0.1 °C (Minimum unit)
Conversion speed
200 ms or less
Note5)
Total accuracy
±0.2% F.S. or less (Ambient temperature: 0 to +55°C)
Note6)
Allowable input wire
resistance
Resistance value per wire: 10 Ω or less
Insulation
Between analog input circuit and internal circuit: Transformer insulation,
photo coupler insulation
Between analog input channels: Transformer insulation
Occupation No. of I/O
contacts
Input 32 points
Note7)
Note1) Use a 3-wire type RTD.
Note2) When exceeding the rated range, reference values which are not in the range of the conversion
accuracy assurance are indicated up to ±15 °C. However, if the temperature drops (below -230
°C) or rise (over 900 °C) more, the data will be the same value (K20000) as the one at the time of
disconnection.
Note3) The digital value will be K20001 from the Power-on to the converted data Ready (approx. 3
seconds) or when an error occurs (watchdog timer time-out error) on the microcomputer for the
RTD cassette. Take care of the use of the data during this period not to influence other programs.
Note4) From the disconnection to the recovery and converted data Ready (approx. 3 seconds), the
digital value will be K20001. Take care of the use of the data during this period not to influence
other programs.
Note5) The conversion speed is 200 ms or less regardless of the number of channels to be used.
And it will be reflected in the internal data register after the completion of a scan.
Note6) The full scale (F.S.) is -200 to 850 °C for the accuracy range of RTD Pt100.
Note7) Each channel data is allocated as I/O data as the table below.
RTD cassette
Input channel
Installed slot
Expansion slot 0
(Cassette position)
Expansion slot 1
(Cassette position)
Channel 0 (CH0) WX10 WX20
Channel 1 (CH1) WX11 WX21
Note8) Supply power for 15 minutes or more after the power-on for performing the accurate
measurement before using the cassette.
Terminal layout
CH0
A
RTD input A
B
RTD input B
B
RTD input B
CH1
A
RTD input A
B
RTD input B
B
RTD input B
NC
Do not connect anything.
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