Duet 3 Expansion Board 3HC

A high power Duet 3 expansion board that features 3x 6.3A stepper drivers, 3 high current heaters, 6 fans and more.

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, Duet 3 Mainboard 6XD 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.
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Product Details

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, Duet 3 Mainboard 6XD 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: 3x5A 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: 6I/O connectors with 3.3V output signal level and 30V-tolerant inputs.

Temperature measurement: 3 thermistor/PT1000 inputs. Support for two temperature daughterboards for up to 4 PT100 or thermocouple sensors.

Supply Voltage12-48V v1.02 and later; 12-32V v1.01 and earlier.

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