Connectors
Power
The voltage of the supplied power is 24V DC.
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.
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.
Check the polarity of the power connections, damage to the board may occur if the polarity is reversed.
Network
The board needs to be connected via a CAT5 or CAT5E cross cable. We advise using properly shielded SF/UTP network cables. The default IP address is 172.22.2.100.
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.
The image below shows a close-up of the connector.
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.
CN1
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 | Indicates no E-stop is active | | |
25 | GND | | Ground | | | |
26 | +24V | | Power | | | |
CN2
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 | |