---
title: Connectors
slug: cpu5a4/connectors
docTags: 
createdAt: 2023-04-28T11:53:08.000Z
---

## &#x20;SUBD25

The pinout specified below is for the female connectors on the controller. The cables or connectors going into these (male) will be reversed.

::Image[]{src="https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/3PuccjfQGmhiR1fk4vBtc_image.png" size="60" width="171" height="65" position="flex-start" showCaption="false"}

| Pin | Name      | Direction | Type                                           | Function                      | Electrical Spec.      | Remarks                                                          |
| --- | --------- | --------- | ---------------------------------------------- | ----------------------------- | --------------------- | ---------------------------------------------------------------- |
| 1   | TOOL      | OUT       | [Open Collector](docId\:qF6Pe5wfoVvy6cNd0LXt_) | Switch tool ON (eg. Spindle)  | Max rating. 50V/100mA |                                                                  |
| 2   | DIR1      | OUT       | Digital                                        | Direction axis 1              | 5V/15mA               |                                                                  |
| 3   | STEP1     | OUT       | Digital                                        | Step axis 1                   | 5V/15mA               |                                                                  |
| 4   | DIR2      | OUT       | Digital                                        | Direction axis 2              | 5V/15mA               |                                                                  |
| 5   | STEP2     | OUT       | Digital                                        | Step axis 2                   | 5V/15mA               |                                                                  |
| 6   | DIR3      | OUT       | Digital                                        | Direction axis 3              | 5V/15mA               |                                                                  |
| 7   | STEP3     | OUT       | Digital                                        | Step axis 3                   | 5V/15mA               |                                                                  |
| 8   | DIR4      | OUT       | Digital                                        | Direction aixs 4              | 5V/15mA               |                                                                  |
| 9   | STEP4     | OUT       | Digital                                        | Step axis 4                   | 5V/15mA               |                                                                  |
| 10  | HOME3     | IN        | Digital                                        | Home switch axis 3            | Max. input Voltage 5V | Use NPN only                                                     |
| 11  | ESTOP     | IN        | Digital                                        | Emergency stop                | Max. input Voltage 5V |                                                                  |
| 12  | HOME2     | IN        | Digital                                        | Home switch axis 2            | Max. input Voltage 5V | Use NPN only                                                     |
| 13  | HOME1     | IN        | Digital                                        | Home switch axis 1            | Max. input Voltage 5V | Use NPN only                                                     |
| 14  | FLOOD     | OUT       | Open Collector                                 | Flood coolant signal          | Max rating. 50V/100mA |                                                                  |
| 15  | HOME4     | IN        | Digital                                        | Home switch axis 4            | Max. input Voltage 5V | Use NPN only                                                     |
| 16  | WATCHDOG  | OUT       | Open Collector                                 | Watchdog signal               |                       |                                                                  |
| 17  | PWM/0-10V | OUT       | Open Collector or analog                       | PWM or 0-10V signal           |                       |                                                                  |
| 18  | PROBE     | IN        | Digital                                        | Probe/toolsetter              | Max. input Voltage 5V |                                                                  |
| 19  | SPINDLE-X | IN        | Digital                                        | Spindle position              | Max. input Voltage 5V |                                                                  |
| 20  | +5V       |           | Power                                          |                               | 5V                    | Solder jumpers as shown in [USBPWR](docId:3WmduE8E2k8CEUw-o9Spb) |
| 21  | +5V       |           | Power                                          |                               | 5V                    | Solder jumpers as shown in [USBPWR](docId:3WmduE8E2k8CEUw-o9Spb) |
| 22  | GND       |           | Ground                                         |                               |                       |                                                                  |
| 23  | GND       |           | Ground                                         |                               |                       |                                                                  |
| 24  | GND       |           | Ground                                         |                               |                       |                                                                  |
| 25  | GND       |           | Ground                                         |                               |                       |                                                                  |

## SUBD9

The pinout specified below is for the female connectors on the controller. The cables or connectors going into these (male) will be reversed.

::Image[]{src="https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/GRRu-pTrSe5iXWjYOIDhz_image.png" size="30" width="83" height="65" position="flex-start" showCaption="false"}

| Pin | Name  | Direction | Type                                           | Function            | Electrical Spec.      | Remarks |
| --- | ----- | --------- | ---------------------------------------------- | ------------------- | --------------------- | ------- |
| 1   | RUN   | IN        | Digital                                        | Run switch          | Max. input voltage 5V |         |
| 2   | PAUSE | IN        | Digital                                        | Pause switch        | Max. input voltage 5V |         |
| 3   | MIST  | OUT       | [Open Collector](docId\:qF6Pe5wfoVvy6cNd0LXt_) | Mist coolant signal | Max rating. 50V/100mA |         |
| 4   | AUX1  | OUT       | Open Collector                                 | Aux Output 1        | Max rating. 50V/100mA |         |
| 5   | HW-A  | IN        | Digital                                        | Handwheel A input   | Max. input voltage 5V |         |
| 6   | HW-B  | IN        | Digital                                        | Handwheel B input   | Max. input voltage 5V |         |
| 7   | +5V   |           | Power                                          |                     | +5V                   |         |
| 8   | GND   |           | Ground                                         |                     |                       |         |
| 9   | GND   |           | Ground                                         |                     |                       |         |

