Sutron Corporation 8310 & 7310 Users Manual 8800-1125Rev. 2.7 (BETA) 4/16/2014 pg. 76
message.
To use the SendTime measurement type, you need to have a communications link between the
current station and the station you want to synchronize. This link can be a direct link over
RS232, TCP/IP, or over line-of-sight radio. In other words, the following communications device
types that you can set up under the Communications menu are supported: DIRECT, RADIO, SSP,
and LAN.
DevicePort
Use DevicePort to select the communications device to use to send the synchronization
message. Only DIRECT, RADIO, SSP, and TCP/IP device types will be shown as selectable
device types. The system always has a TCP/IP device type (the LAN is always “installed”).
However, the other device types will only show up once you have set them up on the
Communications menu.
PathURL
This property specifies which station will be synchronized. To broadcast the set time
message to all listeners, set the PathURL property to “*”. Otherwise, enter a specific
station name or station path (e.g., \patha\pathb\stationx). When the DevicePort
selection is TCP/IP, enter the URL to the target station.
IPPort
If TCP/IP is the current device type, then the IPPort property is displayed. This property
allows you to specify the IP port of the target station. This should typically be left to 23
(telnet).
UserName
If TCP/IP is the current device type, then the UserName property is displayed. This
property allows you to specify the user name to use when logging in to the target
station, before the set-time message is sent.
Password
If TCP/IP is the current device type, then the Password property is displayed. This
property allows you to specify the password to use when logging in to the target station,
before the set-time message is sent.
Vibrating Wire
This measurement takes three inputs, two of which are optional: frequency (Freq), temperature
(TempC), and barometric pressure (BP). The frequency input is not optional, and is the
measured frequency of the sensor, in units of either Hz or Digits. Temperature and barometric
pressure are optional and, when present, are used to compensate the frequency measurement
for those factors. Temperature is expected to be in Celsius, and is typically provided by most
vibrating wire sensors in addition to frequency. Barometric pressure typically comes from a
reference to another system measurement.
The measurement produces four outputs: 1) the phenomena being measured (“Out”), 2) the
input frequency in Digits (“Digits”), 3) temperature (if measured, “TempC”), and 4) the input
frequency in Hz (“Freq”).
This measurement has the following properties:
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