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CW-5xxx Series Chiller Alarm Connections

Using The Chiller Alarm Output

Most laser power supplies have a connection for a waterflow sensor that will not allow the laser to fire if there is no water flow. Many lasers come with a waterflow sensor already installed but some do not. If you have a CW-5xxx series Water Chiller it has a built in flow alarm that can be connected to the machine and prevent the laser from firing if there is a cooling system fault. If you want to utilize this alarm output you will need to connect it to the laser.

You can use the connection on the laser power supply or, if your controller or DSP has the capability, you can connect it to the controller. It may also be possible, if you already have a waterflow sensor installed going to the power supply, to add the chiller alarm output to the controller as a redundant safety.

Diagrams

Electrical Pinout

Below is the pinout of the CW-5xxx chiller alarm output:

click image to enlarge

IN MOST INSTANCES YOU WILL USE H1 and H3

Condition States

And here is the relay matrix:

click image to enlarge

Common Connection Types

You will need to determine which pins to use depending on the method of connectivity to your specific machine.

Some common configurations can be found below:

Typical 50W+ Laser Power Supply

WARNING: THERE MAY BE OTHER INTERLOCKS ON THIS CIRCUIT.
IF SO, WIRE ALL INTERLOCKS IN SERIES.

In this instance you will use H1 and H3 on the Chiller and Pins WP and G on the LPSU.

click image to enlarge

Typical Ruida Controller

WARNING: THIS FUNCTION MUST BE ENABLED IN THE CONTROLLER.
THE PORT IS NOT MONITORED BY DEFAULT. SEE MANUAL BELOW.

In this instance you will use H1 and H3 on the Chiller and connector CN5 Pins 1 and 5 on the Ruida Controller

click image to enlarge

Typical K40 Power Supply

THIS CONTENT WILL BE POPULATED SOON. IT IS SIMILAR TO THE 50W+ EXAMPLE ABOVE.

Factory Manuals

User Manual for the CW-5xxx series Chillers:  CW-5xxx Series User Manual (62 downloads)

Ruida RDC644XG User Manual:  Ruida RDC644XG User Manual (69 downloads)

 

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My name is Brian and I am a full time geek! Before being pulled in to a real estate firm as their digital marketing guru I was Operations Manager/Senior Network Engineer/Lead Color Digital Imaging Technician for a medium sized Copier/Printer/IT firm. I have been taking things apart since i was old enough to handle a screwdriver and, over the years, have figured out how to put stuff back together. My toys growing up were oscilloscopes, Z80 based microprocessors, tools, and the like and I am heavily addicted to all things technical. I look forward to bringing hi-tech to you! Feel free to contact me if you wish.

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