Basic Program Example - Mitsubishi Electric FX3G User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U 3UC
FX -4AD-TC-ADP (4-channel Thermocouple Data Input)
3U
• For FX /FX
3U 3UC
The following program will select thermocouple type K and will store the temperature measurement data
° C
( ) of channels 1 and 2 of the 1st adapter in the D100 and the D101, respectively. The averaging time will
be set to "32" for channel 1, and "128" for channel 2.
M8002
Initial
pulse
M8001
Normally
OFF
M8002
Initial
pulse
M8000
Normally
ON
Even if the temperature measurement data is not stored to D100 or D101, data registers D8260 or D8261
can be directly used in the arithmetic operation instruction or a PID instruction.
PLC User's Manual - Analog Control Edition
Series PLC
RST D8268.6
RST D8268.7
M8260
M8261
FNC 12
K32 D8264
MOV
FNC 12
K128 D8265
MOV
FNC 12
D8260 D100
MOV
FNC 12
D8261 D101
MOV
Error status of 1st analog special
adapter
b6 = OFF (TC-ADP hardware error)
Error status of 1st analog special
adapter
b7 = OFF (TC-ADP communication data error)
Sets the temperature unit to
centigrade (C)
Selects thermocouple type K
Sets the averaging time to "32" for
channel-1 data.
Sets the averaging time to "128" for
channel-2 data.
Stores the current value of the
channel-1 measurement
temperature data to D100.
Stores the current value of the
channel-2 measurement
temperature data to D101.
4 Programming

4.9 Basic Program Example

L-29
K
L
M