Siemens SITRANS F Series Operating Instructions Manual page 71

Note
NETFLOW (default) is best for applications where there may be zero flow for long periods. It
minimizes false Totalizer register increments due to data scatter. Press the <Down Arrow>
key to accept the default setting.
Selecting Totalizer modes
The Totalizer controls can only be accessed as follows:
● From the FST020 Keypad: Only the CLRTOT function is accessible from the keypad. In
● From the PC board: The CLEAR (Reset Totalizer) and NOTOT (Freeze Totalizer)
● From the RS-232 serial port
Totalizer Mode Controls
From the RS-232 Serial port all the Totalizer commands listed below can be executed using
the normal PC keyboard function keys via VT100 terminal key emulation.
Note
Si-Ware or HyperTerminal should be in the Data Display mode when invoking the function
keys referenced in the table below. Use the key sequence Ctrl L to display the Data Display
mode.
Communications Setup
Connect the FST020 to your PC. Refer to Appendix A RS-232 Connection (Page 19), if
needed.
1. Access Si-Ware or, if using a PC, access HyperTerminal from the PC [Programs] menu,
2. In [Connection Description] dialog box, enter a connection name (e.g. FST020). Click
3. In [Phone Number] dialog box, select [Direct to COM 1 (or COM 2)]. Click [OK] to select.
4. In [Properties] dialog box, enter RS-232 parameters. Click [OK].
5. At terminal screen, click [File]. Select [Properties].
6. Select [Settings] tab. At [Emulation] box, select [VT-100].
7. Select [ASCII Setup]. In [ASCII Sending] uncheck boxes. In [ASCII Receiving] check
FST020 IP65 NEMA 4X
Operating Instructions, 02/2012, A5E03086487-05
the [Flow/Total Units] menu, highlight the [Reset Totalizer] menu cell and select [Yes].
commands can be enabled when TB1 Pins 8 & 9 (Freeze Totalizer) and TB1 pins 11 &
12 (Reset Totalizer) are momentarily set high.
then select [HyperTerminal].
[OK].
[Append line feeds to incoming line ends.]. Click [OK].
Functions
7.1 Selecting Flow Units
69