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95 lines
2.8 KiB
Groff
95 lines
2.8 KiB
Groff
.TH "mbusd" 8 "25 Apr 2016" "mbusd @PROJECT_VERSION@"
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.SH NAME
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mbusd \- MODBUS/TCP to MODBUS/RTU gateway.
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.SH SYNOPSIS
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.B mbusd
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.RB [ -h ]
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.RB [ -d ]
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.RB [ -L
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.IR logfile ]
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.RB [ -v
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.IR level ]
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.RB [ -c
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.IR cfgfile ]
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.RB [ -p
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.IR device ]
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.RB [ -s
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.IR speed ]
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.RB [ -m
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.IR mode ]
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.RB [ -t ]
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.RB [ -y
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.IR file ]
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.RB [ -Y
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.IR file ]
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.RB [ -P
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.IR port ]
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.RB [ -C
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.IR maxconn ]
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.RB [ -N
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.IR retries ]
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.RB [ -R
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.IR pause ]
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.RB [ -W
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.IR wait ]
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.RB [ -T
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.IR timeout ]
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.SH DESCRIPTION
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\fImbusd\fR is MODBUS/TCP to MODBUS/RTU gateway.
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.SH OPTIONS
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.IP \fB-h\fR
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Usage help.
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.IP \fB-d\fR
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Instruct \fImbusd\fR not to fork itself (non-daemonize).
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.IP "\fB-L \fIlogfile\fR"
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Specifies log file name ('-' for logging to STDOUT only, default is /var/log/mbusd.log).
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.IP "\fB-v \fIlevel\fR"
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Specifies log verbosity level. 0 enables logging of errors only,
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1 also enables warnings and 2 enables information messages.
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If \fImbusd\fR was compiled in debug mode, valid log levels are up to 9,
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where log levels above 2 forces logging of information about additional
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internal events.
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.IP "\fB-c \fIcfgfile\fR"
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Read configuration from cfgfile.
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.IP "\fB-p \fIdevice\fR"
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Specifies serial port device name.
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.IP "\fB-s \fIspeed\fR"
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Specifies serial port speed.
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.IP "\fB-m \fImode\fR"
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Specifies serial port mode (like 8N1).
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.IP "\fB-P \fIport\fR"
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Specifies TCP port number.
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.IP \fB-t\fR
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Enable RTS RS-485 data direction control (if not disabled while compile).
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.IP "\fB-y \fIfile\fR"
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Enable RS-485 direction data direction control by writing '1' to file
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for transmitter enable and '0' to file for transmitter disable
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.IP "\fB-Y \fIfile\fR"
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Enable RS-485 direction data direction control by writing '0' to file
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for transmitter enable and '1' to file for transmitter disable
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.IP "\fB-C \fImaxconn\fR"
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Specifies maximum number of simultaneous TCP connections.
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.IP "\fB-N \fIretries\fR"
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Specifies maximum number of request retries (0 - disable retries).
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.IP "\fB-R \fIpause\fR"
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Specifies pause between requests in milliseconds.
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.IP "\fB-W \fIwait\fR"
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Specifies response wait time in milliseconds.
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.IP "\fB-T \fItimeout\fR"
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Specifies connection timeout value in seconds (0 - disable timeout).
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.SH NOTES
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In case of situation when \fImbusd\fR received response with invalid CRC and can't correct
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error by re-request, it return MODBUS/TCP packet with exception code 04. In case of situation
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when \fImbusd\fR can't receive response from MODBUS RTU device (e.g. addressed controller
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is not present on the network), it return MODBUS/TCP packet with exception code 0x0B.
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.SH BUGS
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Broadcast messaging on MODBUS network isn't supported.
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Please send bug reports to author.
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.SH AUTHORS
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Victor Antonovich <v.antonovich@gmail.com>
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Andrew Denysenko <nitr0@seti.kr.ua>
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.SH LICENSE
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This program is distributed under BSD license. See LICENSE file in the installation directory for the full license text.
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