11 Machine Control
A single SPSx30 total station can be shared by multiple machines and a single SPS robotic rover pole
at, for example, at a bridge structure. Only one user can use the total station at a time, but when
not in use, it continually scans a predefined list of radio channels assigned to different machines and
the last used site positioning system channel in sequence, looking to see if anyone needs access to
the total station. When a machine or site positioning system calls the total station, it connects and
provides a positioning service. When completed, the total station returns to Standby mode and
becomes available to the radio channels previously loaded to the instrument. To facilitate this
process, in the set up for machine control process, you can create a list of machines, each with a
name and a specified radio channel, for example:
l
CAT 140H Grader 1 33
l
CAT D6 Dozer 1 34
The machine list is scanned sequentially whenever the total station is placed in Standby mode for
machine control. The more entries in the list, the longer the scan takes to complete a full cycle and
therefore the slower the initial connection will be with the total station. If you are not continually
using the entries in the list in earthmoving operations, delete the entries from the list to speed up
initial connection times.
Tap Add to create a machine in the machine list, enter a machine name and assign a network
channel. Also, select a Network ID for the instrument.
Trimble SCS900 Site Controller Software User Guide 103