Tech Notes: Total Station Interfacing

Last Updated 12/12/03

The following table shows communications parameters for the different brands of Total stations supported by Party Chief.
Instrument Baud Rate Parity Notes
Geodimeter 1200 None Format is 1.8.0.1200
Kern Unsupported
Leica/Wild 2400 Even
Nikon 4800 None
Pentax 1200 None
Sokkia/Lietz 1200 None Set5F: Turn XON/XOFF Off, CRC Off
Topcon 1200 Even 7 Data bits, 1 stop bit, ACK/NAK
Zeiss 1200 Odd

All instruments should be set for 8 data bits, 1 stop bit unless specified otherwise.

When transferring data to an instrument, you are typically sending and receiving less than 80 bytes of data. With this little data, the baud rate has very little effect on speed, therefore, we use slower baud rates to achieve the highest reliability. Our baud rates are generally the default that was in effect for that type of instrument when we first developed the driver. For example, older Topcon instruments support only 1200 baud.

Topcon driver has been tested with 3B, 300, 200,201 Series. Party Chief versions prior to 4.1 will not support the 200 series unless you load an additional driver.

To support Topcon's 1" instruments such as the 303, GTS500, GTS601 and GPT1003, download this driver.

To support Leica's TC400-600 series, (and also the TC(R)307, TC1102, and related), download this driver.

Many instruments have an additional setting which toggles between internal and external data collection. This should be set to EXTERNAL for use with Party Chief.

Lietz supports Set3, Set4, Set5. SDM3ER supported by other driver.

Revision History
06/18/99 Ported to html
06/14/00 Freed from frames, added META
12/14/00 Added Set5F note, Geodimeter param format,
02/22/02 Added tc303 info, internal/external
12/12/03 Added wtc500 link