Mitsubishi Electric FX3G User Manual page 429

FX /FX /FX /FX /FX
3S 3G 3GC 3U 3UC
FX -4AD-PTW-ADP (4-channel Platinum Resistance Thermometer Data Input)
3U
3. Program Example 2 (For FX
D8268.0
D8268.1
D8268.2
D8268.3
D8268.4
D8268.5
D8268.6
D8268.7
4.7 Model Code
When the PTW-ADP is connected, model code "21" will be stored in the corresponding special data register.
The following table shows the special data registers that store the model code:
• FX Series PLC
3S
Special data register
D8289
• FX /FX Series PLC
3G 3GC
Special data register
1st
D8289
• FX /FX Series PLC
3U 3UC
1st
D8269
Use the special data registers above to check whether PTW-ADP is connected or not.
1. Program Example (For FX
FNC224
D8269
LD=
PLC User's Manual - Analog Control Edition
/FX
3U 3UC
Model code
2nd
D8299 Model code
Special data register
2nd 3rd
D8279 D8289 D8299
/FX Series PLC)
3U 3UC
K21
Series PLC)
The temperature measurement data
Y000
of channel 1 is outside the specified
range, or disconnection is detected.
Y001
The temperature measurement data
of channel 2 is outside the specified
range, or disconnection is detected.
The temperature measurement data
Y002
of channel 3 is outside the specified
range, or disconnection is detected.
Y003 The temperature measurement data
of channel 4 is outside the specified
range, or disconnection is detected.
Y004
EEPROM error in 1st adapter.
Averaging time setting error in 1st
Y005
adapter.
Y006 PTW-ADP hardware error in 1st
adapter.
PTW-ADP communication data error
Y007
in 1st adapter.
Description
Description
4th
Model code
Checks the model code of the 1st
Y010
analog special adapter.
4 Programming
4.7 Model Code
Initial value: K21
Numeric data type: Decimal (K)
Description
A
B
C
D
E
F
G
H
I
J
J-25