can be read with the ETSTAT instruction. Store the state that is read in a device such as an
internal relay. An operation error occurs if this instruction is executed when the send request
relay is ON.
● This instruction can be executed when the Ethernet initialization active flag (X61) is OFF. As
an execution condition of the instruction, insert a program that checks the status of the flag
(X61). If this instruction is executed when the flag (X61) is ON, the system relay SR9 (carry
flag CY) is set and the instruction is terminated without being executed.
● When the instruction is completed successfully, the system relay SR9 (carry flag CY) and the
system data register SD29 (Ethernet communication error code) are cleared.
■
Precautions for programming
● Insert the UNITSEL instruction immediately before this instruction and specify the unit (built-
in ET-LAN in the CPU unit) and the connection number.
● Make the event mail setting before executing the instruction.
● This instruction is not available in interrupt programs.
■
Operand [S] setting
● Specify the starting address of the device area that stores the string data that indicates a
setting number (string) and a send trigger, or a character constant.
Setting item Settings
Setting
range
S
Setting
number
Specify a setting number.
Event mail send setting number: Idx
0 to 15
■
Operand [D] setting
● Specify the starting address of the device area that stores mail text.
17.21 SMTPcBRD (Mail Text Read)
17-106 WUME-FP7CPUPGR-12
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