Festo CECX-X-C1 Series, Manual

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The Festo_EasyIP.lib library
7
1.3.4 Easy_SR
Sends an EasyIP telegram for sending and requesting data to a remote station.
Input variable Data type Description
TableIndex WORD Index in the IP shortcut table. Permitted range of values
0...31 (constant MAXIPTABLEINDEX).
OpTypeSend WORD Operand type. Refer to the table "Supported operand
types" for a list of available operands.
NumToSend WORD Number of data words to send (16-bit). Permitted range of
values 0...255, for operand type string
(STRI1)/2.
OpOffLocSend WORD Offset in the local EasyIP memory, index in the string table
for strings.
OpOffRemSend WORD Target offset EasyIP memory of the remote station, index
in the string table for strings.
OpTypeReq WORD Requested operand type. Refer to the table "Supported
operand types" for a list of available operands.
NumToRequest WORD Number of operands to request. Permitted range of values
0..255.
OpOffLocReq WORD Offset in the local EasyIP memory, index in the string table
for strings.
OpOffRemReq WORD Target offset EasyIP memory of the remote station, index
in the string table for strings.
Status INT -1 = Send without confirming, no timeout.
> -1 = Offset in the flag area (%MWx) where the
communication status is saved (see Communication status
table).
Output variable Data type Description
Easy_SR WORD 0 = Processing was successful.
> 0 = Error code (see Error code table).
Communication status
0 OK, remote station replied to package.
1 Incorrect operand type. Remote does not support the operand type.
2 Incorrect offset. Memory area overflow with remote.