--- title: Connectors slug: cnc720/connectors docTags: createdAt: 2023-04-24T09:13:50.000Z --- ## Power The voltage of the supplied power is 24V DC. :::hint{type="warning"} Due to a protection diode at the input, the 24V that is available on a number of connectors will be a bit lower, please check when connecting 24V devices to that connector if they will operate correctly. ::: :::hint{type="warning"} Although the 24V is also available on the box header connectors, it is advisable to use separate wiring for powering 24V devices that exceed 50mA of required current. ::: The image below shows the power connector. ::Image[]{src="https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/wyCjxccfxccCJT_1ZfNEo_image.png" size="70" width="640" height="523" position="center" showCaption="false"} ::Image[]{src="https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/LobC5RXlWFXg1kMGSChEJ_image.png" size="48" width="479" height="452" position="center" showCaption="false"} :::hint{type="danger"} Check the polarity of the power connections, damage to the board may occur if the polarity is reversed. ::: ## Network ::Image[]{src="https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/hHcqcKdMuTBSmreyxXTMt_image.png" size="68" width="744" height="495" position="center" showCaption="false"} The board needs to be connected via a CAT5 or CAT5E cross cable. We advise using properly shielded SF/UTP network cables. :::hint{type="info"} The default IP address is 172.22.2.100 ::: :::hint{type="warning"} Make sure that the PC that the board is connected to is correctly setup and has the correct IP address, make sure there is no IP address conflict. ::: ## RS485 Via the RS485 connector external hardware can be connected. RS485 is a balanced signal, this decreases susceptibility to interference. The protocol that is used is MODBUS RTU. ::Image[]{src="https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/ijAAjg7FOslvhAX52TAli_image.png" size="74" width="699" height="722" position="center" showCaption="false"} ![](https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/AWSD2o8-ESr_EgBZkBqm9_modbus-720.png) The connector contains four signals: | Name | Meaning | | ---- | ------------------------------------------------- | | COM | Common | | B | Balanced signal B | | A | Balanced signal A | | IRQ | Input for external interrupt (currently not used) | ## I/O CNC Boxheader connectors These connectors contain all the relevant signals of the board. ![](https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/ZuBIyYb6PsJtrkMYgbIKk_image.png) ### CN1 ::Image[]{src="https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/9aIhgQM7IFm9dpFc64eHz_image.png" size="14" width="163" height="737" position="center" showCaption="false"} | Pin | Name | Direction | Type | Function | Electrical Spec. | Remarks | | --- | --------- | --------- | ---------------------------------------------- | ----------------------------- | ---------------------- | ------- | | 1 | GND | | Ground | | | | | 2 | +5V | | Power | | +5V | | | 3 | STEP1 | OUT | Digital | | +5V | | | 4 | DIR1 | OUT | Digital | | +5V | | | 5 | ENABLE1 | OUT | Digital | | +5V | | | 6 | STEP2 | OUT | Digital | | +5V | | | 7 | DIR2 | OUT | Digital | | +5V | | | 8 | ENABLE2 | OUT | Digital | | +5V | | | 9 | STEP3 | OUT | Digital | | +5V | | | 10 | DIR3 | OUT | Digital | | +5V | | | 11 | ENABLE3 | OUT | Digital | | +5V | | | 12 | STEP4 | OUT | Digital | | +5V | | | 13 | DIR4 | OUT | Digital | | +5V | | | 14 | ENABLE4 | OUT | Digital | | +5V | | | 15 | HOME1 | IN | Digital | | Max. input Voltage 24V | | | 16 | HOME2 | IN | | | Max. input Voltage 24V | | | 17 | HOME3 | IN | | | Max. input Voltage 24V | | | 18 | HOME4 | IN | | | Max. input Voltage 24V | | | 19 | GND | | Ground | | | | | 20 | DRVALM | IN | Digital | Drive Alarm | Max. input Voltage 24V | | | 21 | Reserved | | | | | | | 22 | Reserved | | | | | | | 23 | Reserved | | | | | | | 24 | NO\_ESTOP | OUT | [Open Collector](docId\:qF6Pe5wfoVvy6cNd0LXt_) | Indicates no E-stop is active | | | | 25 | GND | | Ground | | | | | 26 | +24V | | Power | | | | ### CN2 ::Image[]{src="https://api.archbee.com/api/optimize/wP9peVc2bAVBPOh6IboCS/xhcxIMH47vbv46BZvumgb_image.png" size="14" width="161" height="743" position="center" showCaption="false"} | Pin | Name | Direction | Type | Function | Electrical Spec. | Remarks | | --- | ---------- | --------- | ------------------------ | ---------------------------- | ------------------------------------------------------- | ----------------------------------------------------------- | | 1 | GND | | | | | | | 2 | +5V | | | | 5V | | | 3 | RUN | IN | Digital | RUN switch | Max. Input voltage: 5V | Active low | | 4 | HW-A | IN | Digital | Handwheel A input | Max. Input voltage: 5V | | | 5 | PAUSE | IN | Digital | PAUSE switch | Max. Input voltage: 5V | Active low | | 6 | HW-B | IN | Digital | Handwheel B input | Max. Input voltage: 5V | | | 7 | AN1 | IN | Analogue | Analogue input 1 | Max. Input voltage: 3.3V | 12 bits | | 8 | AN2 | IN | Analogue | Analogue input 2 | Max. Input voltage: 3.3V | 12 bits | | 9 | GND | | Ground | | | | | 10 | AVDD | | Power | | 3.3V | | | 11 | EXT-ERROR | IN | Digital | Extern Error | Max. input voltage 24V | | | 12 | ESTOP | IN | Digital | Emergency Stop | | | | 13 | SPINDLE-X | IN | Digital | Spindle position | | | | 14 | Reserved | | | | | | | 15 | PROBE | IN | Digital | Probe/toolsetter | | | | 16 | Reserved | | | | | | | 17 | TOOLON | OUT | Open Collector | Switch tool ON (eg. Spindle) | Max. rating 50V/500mA | | | 18 | SYSREADY | OUT | Open Collector | System Ready | Max. rating 50V/500mA | System Ready, indicates that system is ready for operation. | | 19 | COOL1 | OUT | Open Collector | Coolant1 signal | Max. rating 50V/500mA | | | 20 | COOL2 | OUT | Open Collector | Coolant2 signal | Max. rating 50V/500mA | | | 21 | CHARGEPUMP | OUT | Open Collector | Watchdog signal | Max. rating 50V/500mA | Pulsed signal 10Hz | | 22 | ENABLE\_OC | OUT | Open Collector | Drive enable | Max. rating 50V/500mA | | | 23 | PWM\_VOLT | OUT | Open Collector or Analog | PWM or 0-10V | PWM mode:  Max. rating 50V/500mA 0-10V mode: Max. 100mA | | | 24 | AUXOUT1 | OUT | Open Collector | Generic output | Max. rating 50V/500mA | | | 25 | GND | | Ground | | | | | 26 | +24V | | Power | | 24V | |