Loadstar Sensors DI-1000U Digital Load Cell Interface Manual - Manual (Page 22)

DI-1000 Di1000 User Guide
Page: 22 / 25
P/N : 033-01591 Rev. 6
6 Z
IG
B
EE
W
IRELESS
V
ERSION
The DI- 1000 also ships as a “wireless” version, with an internal battery for true cable free
operation. A separate USB “dongle” is provided to plug into the PC, which wirelessly
communicates with the remote DI-1000 and attached loadcell device.
The wireless link between the DI-1000 and the PC uses a point to point variant of the ZigBee
802.15.4 protocol which provides wireless end-point connectivity for fast wireless networking
between the provided host dongle, and the DI-1000 device. Features include:
1. Power Output: 1mW (+0 dBm) North American & International version
2. Indoor/Urban range up to 100 feet (30 meters)
3. Outdoor line of sight up to 300 feet (90 meters)
4. RF Data Rate 250 kbps
5. Interface data rate: 9600/230400 baud
6. Operating Frequency 2.4 Ghz
7. Receiver Sensitivity up to -92 dBm
8. Direct Sequence Spread Spectrum for improved interference immunity
9. Automatic link error handling, with transparent retries and data acknowledgement
10. Up to 16 channels available (Channel is currently set at the factory only)
The internal LiPolymer battery run-time typically falls between 10 and 20 hours depending on the
attached loadcell impedance, and the frequency of host data queries. For longer periods of time,
an external battery (for example a 12V Gel Battery) can easily be used to extend the operational
life to any desired length. .For those applications that can support a physical AC power adapter
connection, no additional restrictions on runtime, query rate, or loadcell impedance apply.
6.1 Before We Get Started
1. Verify the power switch is set to “ON.” Please note, the unit should not be left
unpowered for long periods of time, as the internal battery can become discharged and
it’s lifetime compromised.
2. Make sure the internal battery is fully charged before any extended “wireless” run is
attempted. Plug the provided AC adapter into the DI-1000, for 6 to 8 hours minimum, to
insure the internal Li battery is fully charged.
6.2 Installing Host USB Drivers
Please refer to section 3.4 for installing the drivers. The drivers used by the DI-1000 in direct
connection and through the wireless dongle are the same.
6.3 Selecting the Virtual COM port and communicating
Hyperterminal is the most popular terminal program available on Windows PC’s, since a basic
version comes preloaded with Windows XP.
Unplug the Wireless DI-1000 dongle, and plug it back in. When you do so, the Windows Device
Manager will help to determine which port corresponds to the connected DI-1000 dongle.