Real Time Automation, Inc.
18
1-800-249-1612
Serial Settings
By default, the gateway is configured for the following settings:
•
Baud Rate: 19200
•
DF1 Error Detection: CRC
•
Serial Mode (fixed): DF1 Full-duplex, RS232, 8 data bits, parity none, 1 stop bit
These settings should match what is configured in the DF1 Serial Device, including the DLE parameters of
DLE NAK Retries
,
DLE ENQ Retries
, and
DLE Embedded Response
.
See table below for more explanation:
Value
Description
Baud Rate
Set the baud rate to match the baud rate configured for the 515RTAENI.
38,400 and 19,200 are the most commonly used baud rates.
Serial Mode
Cannot be changed: DF1 RS232,8N1 (8N1 meaning 8 data bits, no parity bit, 1
stop bit)
Timeout (ms)
Elapsed time in milliseconds for sending or receiving data before an error is
reported.
DLE NAK Retries
Response that signals that a message frame was not received successfully.
DLE ENQ Retries
Requests retransmission of a response.
DLE Embedded Response
Per the DF1 protocol, this allows a response to a previous message to be
embodied in a new message.
Error Detection
DF1 error detection algorithm.
Duplicate Msg Detection
In the case of a duplicate, an error is reported in the attached PLC.
NOTE:
Auto-baud is NOT supported. The 1761-NET-ENI/W serial PC Config Utility has an Auto-
baud option, but this setting is not supported by the 515RTAENI gateway.
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