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TOOL FLOOD MIST AUX 

RELAY 

 

Standard relays cause a lot of 
EMV noise. 
 
EMV noise can disturb the 
USB communication. 
 
I recommend to use 
standard relay's only for low 
power. 
 
Never for get to apply a anti 
parallel diode of 100 - 200 
volt / 1 - 2 Amp. 
Without this diode the CPU 
may be damaged. 
 
 

 

 

 

HF Spindle wit VFD 
 

 

You can use the 0 - 10 volt 
output together with the 
tool output to control the 
VFD. 

 

 

Ask your VFD supplier how to make the connections 

exactly. 

 

 

LEDS

 

 

 
LED's from left to right 

 
 
 
 
 

BOOTLOADER MODE 

 
 
 
 

 

CNC MODE 

Blue 

+5 Volt and CPU 3.3Volt  present. 

Red 

Error during programming. 

Watchdog reset signal, 10 
Hz pulse. 

Yellow 

Alternating flash indicate 
boot loader active and 
communication with USB 
working. 

FLASH=> ETHERNET ACTIVE 

Green 

FLASH => USB ACTIVE 
 

Orange 

Capture status, if on boot 
loader remains active. 
See also CPU5 configurator 
tool. 

10 pulses at startup to show 
CNC firmware starting. 
On if E-Stop activated. 
Off if no E-Stop activated. 

Summary of Contents for CPU5A4E

Page 1: ...OOL TOOL SPEED PWM 0 10V Flood coolant Mist coolant AUX1 Watchdog Standard CNC inputs 4 Home inputs Probe Spindle sensor Run Pause E Stop Hand wheel Powered by USB or 5V external 4 Axes USB Ethernet USBCNC_CPU5A4E 3 Axes USB USBCNC_CPU_5A3 4 Axes USB USBCNC_CPU_5A4 Connector Signal Connector Signal ...

Page 2: ...18 PROBE 19 SPINDEL PULSE 20 5V Solder jumper 21 5V Solder jumper 22 GND 23 GND 24 GND 25 GND S SHIELD X2 9P SUBD FEMAILE 1 IN RUN 2 IN PAUSE 3 OUT MIST 4 OUT AUX1 5 IN HANDWHEEL A 6 IN HANDWHEEL B 7 5V 8 GND 9 GND S SHIELD 74HCT14 outputs for step direction 15 mA per output source or sink Other outputs are open collector transistor outputs E Stop input Other inputs are 74HCT14 inputs Pull up to 5...

Page 3: ...100 mA max current PWM frequency 5 Khz Charge pump frequency 10 Hz LED4 See also the manual about how to use an open collector output 0 10 Volt output 10 mA for VFD control ...

Page 4: ...n be applied on the SUBD 25 connector PIN 20 21 22 25 And also on the SUBD 9 connector PIN 7 8 9 see table above These power lines can also be used to drive the step dir amp enable inputs of your drive of needed When using the supply lines on the SUBD 25 the solder jumpers on the bottom side must be connected They are not standard connected because of compatibility with other parallel port based C...

Page 5: ...s the output being NPN or PNP The lower jumper controls the output polarity The details of the watchdog output configuration jumpers Upper jumper to the right Open Collector NPN Use with external supply Upper jumper to the left Open Collector PNP 5V output Use with internal 5V supply Lower jumper to the right NPN Active SAFE PNP Active NOTSAFE Lower jumper to the left NPN Active NOT SAFE PNP Activ...

Page 6: ...This GREEN LED shows the state of the Watchdog ON Safe OFF Not Safe ...

Page 7: ...ADSHINE DRIVE NEGATIVE PULSE CONNECTION Upper jumper to the right NPN Lower jumper to the left OFF NOTSAFE Negative pulse connection is the standard way to connect this type of drive It needs the 5 Volt connection terminal See also above Pulse Inversion CPU to drive connections REMARK By connecting a drive to the wrong pulse polarity does not harm anything Nothing will be damaged The difference is...

Page 8: ...NDWHEEL SPINDLE SENSOR INDUCTIVE HOME SENSORS NPN Type SIMPLE HOME SWITCH Normally Open Type HomeInputSenseLevel 0 Normally Closed Type HomeInputSenseLevel 1 ESTOP SWITCH Normally Open EStopInputSenseLevel 0 Normally Closed EStopInputSenseLevel 1 RUN SWITCH Any push button switch Auto detect PAUSE SWITCH Any push button switch Normally closed ...

Page 9: ... Ask your dealer Probe A probe can be a normally open or normally closed switch Connection of the outputs TOOL Kress VFD FLOOD MIST AUX1 TOOL FLOOD MIST AUX SOLID STATE RELAY This is the way I recommend Use a solid state relay A solid state relay causes no sparks very little EMV noise ...

Page 10: ...tput to control the VFD Ask your VFD supplier how to make the connections exactly LEDS LED s from left to right BOOTLOADER MODE CNC MODE Blue 5 Volt and CPU 3 3Volt present Red Error during programming Watchdog reset signal 10 Hz pulse Yellow Alternating flash indicate boot loader active and communication with USB working FLASH ETHERNET ACTIVE Green FLASH USB ACTIVE Orange Capture status if on boo...

Page 11: ...ht a CPU5A3 and want to use the 4th axis it is possible to upgrade Via the 2nd setup page in the USBCNC software see explanation below CPUOPT This is special for CPU5A This button allows to add the 4th axis function on a CPU5A3 So it upgrades from 5A3 to 5A4 ...

Page 12: ...ur USBCNC supplier To do this double click the code press ctrl c in your e mail press control v Your suplier will send you a activation code Copy and paste this into the activation code area then press activate Do what the dialog tells you press ok twice press save changes and restart When you press the CPU OPT button again you will see that the 4th axis is enabled and that it is registered with y...

Page 13: ......

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