
Sensorsoft Remote Watchman Express/Client User Manual
Variable Selected: This is where you select the variable to be monitored. Most SSD’s will only
have one variable.
Unit of Measure: If you have an SSD that displays scalar (integer or floating point
measurements), then the Unit of Measure drop down will be active. In some cases, if more than
one Unit of Measure is available, the user can control which Unit of Measure is used. (e.g.
Celsius vs. Fahrenheit)
Boolean States: If you have an SSD that displays Boolean conditions (two states only), then the
States/Conditions field will be completed when the SSD is discovered.
Device Type: This box will always show ‘Sensorsoft Device (SSD)’. No other devices are
currently supported.
Port Type: The only option available in RWMX is ‘COM Port (RS232)’. RWMC offers two
additional options; ‘TCP Momentary’, and ‘TCP Continuous’. TCP Momentary allows your SSD
to be accessed by multiple clients. Using ‘TCP Continuous’ locks-up the SSD so that only one
client can access it; other subsequent clients will get a rejection message.
IP/DNS Name:Port Address: (RWMC only) Enter the address of the remote device server or
computer that is sharing the SSD on your network, and the TCP port number assigned to the SSD
on the remote device server or computer using the following format: <IP/DNS name>:<TCP port
number>. Click the Apply or OK button to save your entry in the list. By pressing the <Enter>
key after each new entry you can quickly add new entries to the list, however you must still click
the Apply or OK button to save it in the list. To remove an entry from the list, select the entry to
be removed and press the <Delete> key, then select another existing entry and Click the Apply or
OK button to save your changes. When the SSD is connected to a Lantronix Device Server, the
port number can be between 3001-30xx. The xx is dependent on the physical port number where
the SSD is connected on the Lantronix Device Server. If the SSD is connected to a Windows
computer running the RWMS software, the TCP port number is determined by the setting used in
this software. The default TCP port number used by the RWMS software is usually 6100 or 6101.
COM Port: This indicates the serial port to which your SSD is connected. A list of COM ports is
available, ranging from COM 1 to 16. However, not all of these ports may be available on your
system.
Update reading every: This setting controls how frequently the SSD’s reading is updated. Use
the up and down buttons to make changes to the setting. In TCP Momentary, the lowest reading
rate is restricted to reduce multi-client interference.
Max retries on timeout or CRC errors: This is the number of times the software will attempt to
send commands to the SSD after a time-out or CRC error has occurred. Use the up and down
buttons to make changes to the setting.
Response time-out: This is the amount of time (in seconds) that the software will wait for a
command-response from the SSD before considering it as a time-out condition. If you are
connected to an SSD over a network where there are long distances (thousands of miles) or
propagation delays (satellite link), increase this setting for best results. Use the up and down
buttons to make changes to the setting.
Re-attempt after connection/time-out failure: This setting controls how much delay (in
seconds) is used before the software will attempt to reconnect to the SSD, after a connection or
time-out failure. Use the up and down buttons to make changes to the setting. In TCP
Momentary, the lowest setting is restricted to prevent multi-client interference.
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