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Mitsubishi MELSEC-A A64RD3C User Manual page 121

Pt100 input module

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5. LINKING TO AN ACPU AND AN AJ71 PT32-S3
MELSEC-A
5.7.3 Sample program
This example shows how the detected temperature values of channels
1
and
2 of an A64RDC are read in the following system configuration.
X0 t o U F XJOto
Y70to
YOtoY2F
X6F
YAF
X 1 M t 0 X 1 1 F
Y l M t O Y I l F
L
I
(1)
Channels used
CH1
: Count averaging
: 20 times
CH2
: Time averaging
:
5000
msec
(2) AJ71
PT32-S3 initial setting
(a) Total number of remote stations
: 4
(b) Remote terminal data
Number of remote terminals
: 1
Head station number
of
the remote terminal module : Station 1
Protocol
: MINI
standard
FROM address
: o
TO address
: 500
(3)
Programming description
Resetting remote terminal error codes and fault
detection
signals
: X30
Starts the storing of detected temperature values to register D : X31
Stops the storing of detected temperature values to register D : X32
External output of error occurrence : Y70
External output of detected disconnection
Channel
1
: Y71
Channel
2
: Y72
Storage register map
5 -
29

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