Receiving E-Mails Using The Ladder Program - Panasonic FP2 ET-LAN Technical Manual

11.9 Receiving E-mails using the Ladder Program

Whether e-mails are received or not can be checked by the instruction using the ladder program.
E-mail receive processing is executed by turning ON the e-mail receive request signal in the handshake
area which is allocated in the ET-LAN unit using the ladder program of the CPU unit.
Reference: <Chapter 4 Confirming the Design Contents>
E-mail receive complete signal area (Bank: 0)
-
Address Description
bit 0 E-mail receive complete signal
362H
bit 1 E-mail receive error signal
- E-mail receive request signal area (Bank: 0)
Address Description
36AH bit 0 E-mail receive request signal
- Time chart for e-mail receive processing
- Procedure to receive e-mails
(1) The e-mail receive request signal is turned ON.
(2) When the e-mail receive processing from the ET-LAN unit to the e-mail server is completed
successfully, the e-mail receive complete signal is turned ON.
(3) After confirming that the e-mail receive complete signal is ON, the e-mail receive request signal
should be turned OFF.
(4) When the e-mail receive request signal has been turned OFF, the e-mail receive complete signal is
turned OFF.
(5) If the e-mail receive processing is not successfully completed in some reason, the e-mail receive
error signal is turned ON.
(6) Before conducting the e-mail receive processing once again, be sure to turn OFF the e-mail receive
request signal at first.
(7) When the e-mail receive request signal is tuned OFF, the e-mail receive error signal is turned OFF.
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