Bits4bots is an authorised reseller of Duet3d products

The Duet 3 Expansion board is a CAN-FD connected, high current, full featured expansion board for the Duet 3 mainboards. Pair one of these expansion boards with a Duet 3 Mainboard 6HC or a Duet 3 Mini 5+ to control 3 high current stepper drivers, 3 high current loads, 6 fans and 6 IO channels. Further 3HC expansion boards, tool boards and 1XD expansion boards can be added to the CAN-FD bus if necessary to complete your machine design.

FEATURES
Processor	Powerful 32bit Atmel ARM Cortex-M4F microcontroller running at up to 120MHz.
Connectivity	CAN-FD BUS for connection to Duet 3 Mainboards (compatible with the Duet 3 Mainboard 6HC and the Duet 3 Mini 5+).
Stepper Drivers	3x TMC2160/5160 high-current drivers with the latest Trinamic features. Maximum motor current 6.3A peak per phase (4.45A RMS).
High current outputs	3x 5A PWM outputs for extruders and similar.
Medium current outputs	6 PWM controllable outputs for fans or similar. 3 of these support 4 wire fans including tacho reading.
IO	6 I/O connectors with 3.3V output signal level and 30V-tolerant inputs.
3 thermistor/PT1000 inputs and support for two temperature daughterboards for up to 4 PT100 or thermocouple sensors	3 thermistor/PT1000 inputs. Support for two temperature daughterboards for up to 4 PT100 or thermocouple sensors.
Supply Voltage	12-32V.

For more information, follow the link below
https://www.duet3d.com/duet3expansion3hc

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Duet 3 Expansion Board 3HC

Duet 3 Expansion Board 3HC

Duet 3 Mainboard 6HC v1.01a

Duet 3 Mainboard 6HC v1.01a