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INTERFACE from RS232 / RS485 / USB to RF.

Selecting the desired configuration (MULTI or SINGLE) by hardware jumper.

In multi interface allows up to 15 transmitters weighing TRF, the same radio channel.

RF channel selection, baud rate and communication address via DIP-SWITCH.

Power supplì 4.5Vdc XX 15Vdc or from USB.

PC application for configuration.

Download usage manual


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Converter RRF

Technical Specifications

Power supply4.5 Vdc - 15 Vdc ( 50 mA)
Operating temperature-10 / +50 C (14 / 122 F) Humidity Maximum 85% non-condensing
Storage temperature-20 / +60C (-4 / +140F)
Overall dimensions5.0 x 3.1 x 1.6 in (l x h x d) excluding antenna and connector
Case materialDie cast aluminum
Protection levelIP 65
Connections5.08 pitch screw terminal blocks with cable entry / 5-pin connector
Rs232Comunication parameters: 9600/19200/38400,N,8,1. Signal management: Txd, Rxd, Sgnd.
Rs422 / Rs485Comunication parameters: 9600/19200/38400,N,8,1.
USBCommunication parameters: 9600/19200/38400, N, 8, 1. Signals managed: Txd, Rxd, Sgnd
Frequency866-868 MHz
Num. RF Channels7 selectable by DIP switch
Num. Network address15 selectable by DIP switch
Average radius of coverage50 m (165 feet)
Conforms to standardsEN 300 220, EN 301 489, EN 60950, EN61000-6-2, EN61000-6-3, EN61010-1
For the complete and latest technical specifications, please refer to the technical data sheet which can be downloaded here:
Download PDF

Connections

TypeRRF Connections
Length15 m
1+5 Vdc
2GND
3RS232 Tx
4RS232 Rx
5RS422/485 +
6RS422/485 -
Connections  Converter RRF

MOUNTING OF THE LOAD CELL

General precautions to be followed in the installation and assembly of load cells:

  • Follow the direction of application of force on the load cell
  • Do not exceed the limits of the temperature as indicated in the data sheet
  • Do not remove labels from the load cell
  • Adequately protect the cables with sleeves or channels
  • Carry out on each load cell a ground connection with suitable cable, shunt on mounting accessories
  • Do not carry out any welding on the mechanical structure after mounting the load cell
  • Avoid or reduce to a minimum level any mechanical constraints between the rigid structure and the weighing structure to avoid error in weighing and return to zero
  • In case of vibration or dynamic loads product the load cells with puffers / shock absorbers
  • Protect load cell from any dust accumulation with any appropriate means