Reading Analog Input Data - Panasonic FP7 Series User Manual

4.3 Reading Analog Input Data

4.3.1 Reading Analog Input Data

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Basic operation of analog input processing
(1) Receiving analog input
The input part of the unit receives analog input data from the thermocouple, RTD or external
devices.
(2) Digital conversion processing
Analog input data received by the unit is converted into digital values in sequence
automatically in the unit. The converted digital value varies with the setting of the range.
(3) Storage of digital values
A user program is used to read converted digital values as data in the unit relay area (WX).
The specified area number varies depending on the installation position of the unit.
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Program to acquire converted digital values
Reading the values in digital conversion value storage areas WX10, WX12, WX14, and WX16
to any areas of "data registers ranging from DT100 to DT103."
R0
WUME-FP7TCRTD-04
V or I
MV.SS WX10
CH0 input
MV.SS WX12
CH1 input
MV.SS WX14
CH2 input
MV.SS WX106
CH3 input
4.3 Reading Analog Input Data
t
DT100
Transfer digital data
DT101
stored in analog input
areas WX10, WX12,
WX14 and WX16 to
DT102
data registers ranging
from DT100 to DT103.
DT103
4-9