DWC MK3 Controller Reference

Used On DWC Machines

Current MK3 controller platform assignments.

Machine / Platform	Controller	Status
DWC2636	PlanetCNC MK3	Current commercial controller platform
DWC3648	PlanetCNC MK3	Current commercial controller platform
DWC4848	PlanetCNC MK3	Current commercial controller platform
DWC5100	PlanetCNC MK3	Current commercial controller platform

DWC Controller Matrix: DWC1824 uses MK3DRV. DWC2440 uses MK3/4. Some older legacy commercial machines used MK3/4; current DWC2636, DWC3648, DWC4848, and DWC5100 systems use MK3.

MK3 Controller Board Overview

Header locations and connector identification.

Ribbon Cable Numbering Standard

Wire #1 is the pink/red stripe conductor.

10-Pin Ribbon Cable

IDC cable reference.

DWC Standard: Ribbon Wire #1 = pink/red stripe conductor. Wire numbering continues sequentially across the ribbon.

MK3 Ribbon Pin Reference

Board view and connector wire numbering.

MK3 Input Header Reference

Board-view signal mapping to 10-pin ribbon wire numbers.

Item	Signal / Function	Notes
1	+5V	Logic power reference
2	GND	Ground
3	IN7	Input 7
4	IN8	Input 8
5	IN5	Tool Present Sensor on ATC references
6	IN6	Carousel Home on DWC2636 / DWC3648
7	IN3	Fixed Tool Length Measure Sensor
8	IN4	Tool Clamp Sensor
9	IN1	Digital Probe accessory on DWC2636 / DWC3648
10	IN2	Touch Plate / Puck

Board View: Use the connector orientation shown in the graphic when identifying pin positions.

MK3 Output Header Reference

Output header mapping based on the DWC ribbon numbering standard.

Item	Signal / Function	Notes
1	+5V	Logic power reference
2	GND	Ground
3	OUT7	Tool Clamp Release / Tool Release Solenoid
4	OUT8	Dust Blow-Off / Dust Removal Solenoid
5	OUT5	Dust Brush / Dust Hood Lift
6	OUT6	0–5V Spindle Speed
7	OUT3	Rack Move on Pneumatic Rack ATC / unassigned on Carousel ATC
8	OUT4	Output 4
9	OUT1	Spindle On / Off
10	OUT2	Laser PWM

Output Testing: Machine-specific references define which outputs are assigned, unassigned, or tied to relays.

MK3 Limit Header Reference

Limit connector reference and DWC machine usage conventions.

Item	Signal / Function	Notes
LIMIT 1	Z+	DWC2636 / DWC3648 and DWC4848 / DWC5100 assignment
LIMIT 2	X−	DWC2636 / DWC3648 and DWC4848 / DWC5100 assignment
LIMIT 3	Y−	DWC2636 / DWC3648 and DWC4848 / DWC5100 assignment
LIMIT 4	B−	Carousel ATC home / B-axis reference
LIMIT 5	Reserved	Future use
LIMIT 6	Reserved	Future use
LIMIT 7	Reserved	Future use
LIMIT 8	Reserved	Future use

Machine-Specific Warning: Always verify the exact model configuration before wiring limit switches.

MK3 CTRL Header Reference

Control header pinout for E-stop, mode inputs, axis select, enable, and index references.

Item	Signal / Function	Notes
E-STOP	Emergency stop input reference	CTRL header
MD1 / MD2	Mode input references	CTRL header
AX1 / AX2	Axis select references	CTRL header
EN1A / EN1B	Enable input references	CTRL header
IDX	Index input reference	CTRL header
+5V / GND	Logic reference power and ground	CTRL header

MK3 JOG Header Reference

Jog header pinout for external jog controls, pendants, and future control accessories.

Item	Signal / Function	Notes
JOG 1–8	Jog input references	JOG header
POT	Potentiometer input reference	JOG header
+3.3V	Logic reference voltage	JOG header
ALT1 / ALT2	Alternate function inputs	JOG header
SHIFT	Shift input reference	JOG header
GND	Ground reference	JOG header

Useful for pendants, external jog panels, MPG controls, and future Smart Panel projects.

DWC Jog Pendant Wiring

Standard DWC pendant wiring for MK3 and MK3/4 JOG header systems.

Pendant Cable & Function Overview

10-conductor pendant cable reference.

Wire Color	Function	MK3 JOG Header
Orange	Y+ Jog	JOG3
Red	Potentiometer Ground	GND
Black	X+ Jog	JOG1
Purple	Z+ Jog	JOG5
Yellow	Z− Jog	JOG6
Blue	Potentiometer Reference	+3.3V
Gray	Y− Jog	JOG4
Brown	X− Jog	JOG2
White	Potentiometer Signal	POT
Green	Common Ground	GND

DWC Standard: JOG7 and JOG8 are not used on standard DWC jog pendant assemblies.

MK3 JOG Header Mapping

DWC pendant implementation.

MK3 Pin	DWC Function	Wire Color
JOG1	X+	Black
JOG2	X−	Brown
JOG3	Y+	Orange
JOG4	Y−	Gray
JOG5	Z+	Purple
JOG6	Z−	Yellow
JOG7	Not Used	—
JOG8	Not Used	—
POT	Feed Override Signal	White
+3.3V	Potentiometer Reference	Blue
GND	Common / Pot Ground	Green / Red

DWC Pendant Membrane & 5kΩ Potentiometer

Jog membrane and feed override reference.

DWC pendant membrane and potentiometer wiring

Device	Connection	Purpose
Membrane	JOG1–JOG6 + GND	X+, X−, Y+, Y−, Z+, Z− jog controls
5kΩ POT	Red → GND	Potentiometer ground
5kΩ POT	White → POT	Feed override signal
5kΩ POT	Blue → +3.3V	Potentiometer reference voltage

Service Note: If a jog direction does not respond, check the matching JOG wire and membrane continuity. If feed override does not respond, verify Red to GND, White to POT, Blue to +3.3V, and confirm the 5kΩ potentiometer operation.

MK3 Axis Header Reference

Axis connector pinout for motor driver wiring.

Item	Signal / Function	Notes
+5V	Logic power reference	Axis header
ERROR	Driver error input reference	Axis header
STEP	Step pulse signal to motor driver	Axis header
DIR	Direction signal to motor driver	Axis header
ENABLE	Driver enable signal	Axis header
GND	Ground reference	Axis header

Axis headers are used for machine axes, rotary axis, carousel B-axis, and future motor-control references.

Official Documentation & Resources

Manufacturer resources and DWC support references.

PlanetCNC Hardware & Software

MK3 Controller MK3/4 Controller MK3DRV Controller TNG Manual Scripting Resources

DWC / OmniControl / CAD-CAM

DWC Support Hub OmniControl Documentation Vectric Documentation Huanyang VFD Manual Pending

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Disconnect power before working on controller wiring. Verify board orientation, connector view, and machine-specific documentation before assigning ribbon cable wire numbers.