PC Link Send Area Overlap Flowchart
Notes :
• 1)The PC Link send area may be overlapped with that in some other unit.
• 2)If the ERROR 2 LED is ON or flashes even after the PC Link send area overlap error is removed,
other errors may also occur at the sation. In this case, go back to the “P/W PC Link Function Not
Available Flowchart” or to the “ERROR LED ON/Flash Flowchart”.
• How to check the PC Link send area overlap
The network error special internal relay will turn ON when the send areas are overlapped.
The overlapped station number(UNIT NO.) can be found from either one of the overlapped stations.
These special data registers are useful for finding the overlapped a send area when an error occurs.
The contents of the special data registers are configured as follows ;
1: Overlapped
0: Not overlapped
Did you find the PC Link
send area overlap found?
Please contact us.
Is the PC Link send area overlap
condition corrected?
PC Link send area is
overlapped.
(The ERROR 2 LED is ON.)
Using the special data registers
(numbers 40 to 45 or 50 to 55), check
the PC Link send area allocation.
Allocate the PC Link send area
again so as not to be overlapped.
YES
NO
YES
Go back to the "P/W PC Link Function
Not Available Flowchart" or to the
"ERROR LED ON/Flash Flowchart"
NO
5-2. Error Flowchart
60
Bit positionr 15 • • 12 11 • • 8 7 • • 4 3 • • 0
Overlapped
station
16151413 121110 9 8 7 6 5 4 3 2 1
(UNIT NO.)
Special internal Description
relay address
R9050
Turns ON when the send areas are overlapped in the P/W LINK 1 network.
R9051
Turns ON when the send areas are overlapped in the P/W LINK 2 network.
R9052
Turns ON when the send areas are overlapped in the P/W LINK 3 network.
Special data
Description
register address
DT9170
Indicates the station number(UNIT NO.) where the send area is overlapped in the P/W LINK
1 network.
DT9200
Indicates the station number(UNIT NO.) where the send area is overlapped in the P/W LINK
2 network.
DT9230
Indicates the station number(UNIT NO.) where the send area is overlapped in the P/W LINK
3 network.
