Volvo 3D-MC: Installing an external FH915 radio

This article explains how to install an external SATEL FH915 radio on a Volvo 3D-MC excavator.

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Volvo 3D-MC: Installing an external FH915 radio

The 3D-MC app for Volvo excavators can be configured to use an external SATEL radio to communicate with Topcon base stations.

The 3D-MC app is compatible on all Volvo excavators equipped with the Dig Assist system.

To use the SATEL radio, an external radio kit from Volvo must first be installed on the machine. The Volvo part number for this kit is VOE14768070 and includes the following parts:

  • 14714049: Splitter
  • 14711398: Extension cable
  • 14654148: Radio cable

The Volvo external radio kit should be installed by a Volvo technician before installing the Topcon external radio hardware.

To install the radio kit, first fully power off the machine. For easier access, dismounting the M20 controller is recommended.

Remove the cable from the CAN(M) connector on the M20 controller, and plug it into the single plug on the splitter.

Now, install the extension cable between one of the dual ports on the splitter and the CAN(M) connector on the M20.

Finally, connect one end of the radio cable to the remaining plug on the splitter and the other on the Comm port on the M20.

Use the supplied magnet to secure the splitter to the machine.

The following parts will need to be ordered from Topcon:

  • 1028241-01: Radio, Ext FH915 Easy Proof White
  • 1028240-01: Kit, External Radio Mag Mounts
  • 9900-1075: Assy, Antenna Mag Mnt w/ TNC
  • 30-030014-01: Antenna, 896-970Mhz

Topcon also has programming cables available for the SATEL Proof radios. These are currently required to change channels on the Volvo 3D-MC system and load firmware into the SATEL radio.

  • 1034691-01: 0.15M cable Deutsch DT06-6S-CE06/D15 female
  • 1034692-01: D15 Male/D9 Female 4A fuse, 2M power/programming

The SATEL radio must be mounted in the same compartment as the Volvo M20 controller. The length of the Volvo radio cable does not permit external mounting on the machine.

Use the Topcon magnet kit to secure the radio to the machine.

Attach the appropriate mag mount radio antenna to the radio, and mount it on the roof of the machine.

Note that the SATEL EASy-Proof radio will only work base stations that transmit on the FH915+ protocol. Standard FH915 is not currently supported by SATEL radios.

Further documentation regarding changing channels on the SATEL radio and loading firmware can be found on myTopcon.

You will also need to enable external RTK in the Volvo console. To do this, swipe down from the top of the display, tap on the gear icon, and go to the GNSS menu.

To use the external radio, enable the option for External Radio RTK.

You will also need to change the Baud Rate to 115200 bps. This baud rate must match the serial baud rate used in the SATEL Configuration Manager.