ProSoft Technology MVI46-GSC - Manual (Page 50)

MVI46-GSC ♦ SLC Platform Reference
Generic Serial Communication Module
Page 50 of 78 ProSoft Technology, Inc.
December 5, 2007
Parameter N-File
Location M0:
Offset Description
Port[0].RTermCnt N10:10 10 This parameter is used if bit 0 of the Type
parameter is set. This value (0 to 12) defines the
number of termination characters used to define
the end of received message.
Port[0].RTermChar N10:11 to
16 11 to 16 This array of 12 characters define the termination
characters at the end of each received message.
Each character occupies one position in the array.
The number of characters to be used in the array
is set in the RTermCnt parameter.
Port[0].RPacketLen N10:17 17 This parameter is used if bit 3 is set in the Type
parameter. The parameter sets the length of data
required to be received on the port before
transferring the data to the processor.
Port[0].RTimeout N10:18 18 This parameter is used if bit 1 is set in the Type
parameter. The parameter sets the number of
milliseconds to wait after the first character is
received on the port before automatically sending
the data to the processor.
Port[0].RDelay N10:19 19 This parameter is used if bit 2 is set in the Type
parameter. The parameter sets the number of
milliseconds to wait between each character
received on the port before sending the data to
the processor.
Port[0].RSwap N10:20 20 This parameter specifies if the bytes received on
the port must be swapped before sending them to
the PLC processor. 0=No or 1=Swap bytes
Port[0].WTermCnt N10:21 21 Not used in current release of product.
Port[0].WTermChar N10:22 to
27 22 to 27 Not used in current release of product.
Port[0].WPacketLen N10:28 28 Not used in current release of product.
Port[0].WTimeout N10:29 29 This parameter specifies the timeout period to
transmit a message out the port. A message must
be transmitted out the port within the specified
timeout period. Message transmission will be
aborted if the timeout is exceeded.
Port[0].WDelay N10:30 30 Not used in current release of product.
Port[0].WMinDelay N10:31 31 This parameter specifies the minimum number of
milliseconds to delay before transmitting a
message out the port. This pre-send delay is
applied before the RTS on time. This may be
required when communicating with slow devices.
Port[0].Wswap N10:32 32 This parameter specifies if the bytes to transmit
must be swapped. 0=No or 1=Swap bytes