1) Turn off the write-protect switch provided on the right side of the 8L.
2) Attach the 8L to the PLC while the PLC power is off.
3) Turn on the power of the PLC. Press the RD key of the 8L once.
The RD LED lights and the 8L is ready for the read operation.
4) Press the RD key once more. The RD LED flickers, and the 8L
starts to read.
5) When the read is finished, the RD LED is extinguished.
(Turn off the power of the PLC and remove the 8L. Turn the
write protect switch on.)