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KAD/UBM/105
INFO: CURTISSWRIGHTDS.COM
EMAIL: [email protected]
KAD/UBM/105
RS-232, RS-422, or RS-485 high data rate up to 5 Mbps serial bus
parser/packetizer -12ch
Key Features
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Monitors up to 12 RS-422/485/232 busses
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Coherently parses traffic and tags for up to
511 messages from 4 to1024 bytes
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Aperiodic transmission of packetized serial
messages including tags as iNET-X
parser-aligned payload structure
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Bit-rates from 300 bps to 5,000,000 bps
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7/8 bits per word with odd, even or no parity
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Programmable start sequence (1 to 8 bytes)
and stop sequence (1 byte or by fixed length)
Applications
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Interfacing with serial data links
Overview
The KAD/UBM/105 is used to monitor up to 12 RS-232/422/485 channels.
The module can parse (coherently extract specific bytes) and/or packetize
(insert messages in packets for Ethernet transmission) each channel at the
same time.
The signal type (RS-232/422/485), bits per word, and parity are
programmable on a channel-by-channel basis.
In the parser, a total of up to 511 complete messages are triple buffered
so that the stale indication is message-wide. Each message can be up to
1,024 characters (bytes) long (including start and stop characters). Each
message is tagged to 0.1ms resolution; a message is considered found
when a start sequence of up to eight specific bytes is received. The
end-of-message delimiter is determined by a user-defined stop character
or after a specific number of words are received. A message is not
updated if any sequence is incorrect.
Independently of the parser, an iNET-X packet stream is generated for
each channel. All received bytes are encapsulated in an iNET-X
parser-aligned payload structure. A programmable gap time allows the
module to split the incoming bytes into shorter timestamped sequences.
A block header attached to each sequence stores the channel index,
length, and the time of reception of each message. These parser-aligned
packets may be transmitted aperiodically to optimize network bandwidth
utilization and memory usage when recording serial traffic.
Figure 1: First of 12 channels of the KAD/UBM/105
