Averaging Time - Mitsubishi Electric FX3G User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U
FX -4AD-PNK-ADP (4-channel Resistance Thermometer Data Input)
3U
4.7 Error Status
If an error is detected on PNK-ADP, the error status data will be stored in the corresponding special data
register.
The following table shows the special data registers that store the error status data:
• FX Series PLC
3S
Special data register
D8288
• FX /FX
3G 3GC
Special data register
1st
D8288
• FX /FX
3U 3UC
1st
D8268
Check the ON/OFF status of each bit of the error status data register to determine the error. Errors are
assigned to the bits as shown in the following table. Create a program to detect errors.
Bit
b0
b1
b2
b3
b4
1. Caution regarding use of error status data
If a PNK-ADP hardware error (b6) or PNK-ADP communication data error (b7) is once detected, it is
necessary to clear the error status with a program at next power-on of the PLC.
For this reason, be sure to create the following program:
/FX
• For FX
3S
M8000
Normally
ON
M8002
Initial pulse
*1. "1st" for the FX
K-24
PLC User's Manual - Analog Control Edition
3UC
Stores the error status data.
Series PLC
2nd
D8298 Stores the error status data.
Series PLC
Special data register
2nd 3rd
D8278 D8288
Description
The temperature measurement data
of channel 1 is outside the specified
range, or disconnection is detected.
The temperature measurement data
of channel 2 is outside the specified
range, or disconnection is detected.
The temperature measurement data
of channel 3 is outside the specified
range, or disconnection is detected.
The temperature measurement data
of channel 4 is outside the specified
range, or disconnection is detected.
EEPROM error
/FX /FX /FX Series PLC
3G 3GC 3U 3UC
FNC 12
D8288
MOV
RST
RST
FNC 12
K4M0
MOV
/FX /FX PLC.
3S 3G 3GC
Description
Description
4th
D8298 Stores the error status data.
Bit
b5
b6
b7
b8 to b15
-
K4M0
Error status in the 3rd
M6
b6 = OFF (PNK-ADP hardware error)
Error status in the 3rd
M7
b7 = OFF (PNK-ADP communication data error)
D8288
4 Programming
Description
Description
Averaging time setting error
PNK-ADP hardware error
PNK-ADP communication data error
Unused
-
*1
analog special adapter
*1
analog special adapter
4.7 Error Status