Sensor issue with Lube pump (Resolved)

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Chas
Posts: 46
Joined: Fri Jan 25, 2019 2:25 pm
Acorn CNC Controller: Yes
Allin1DC CNC Controller: No
Oak CNC controller: No
MPU11 & GPIO4D -w/ 3rd Party Drives: No
DC3IOB: No
CNC12: Yes
CNC11: No
CPU10 or CPU7: No
CNC Control System Serial Number: none

Sensor issue with Lube pump (Resolved)

Post by Chas »

Hi, just setting up the lube pump on my lathe and have run across a small issue with connecting the lube pump sensor.Before i connect the sensor wire to terminal 9 i can measure 23v between common and the return sensor wire. When i connect to terminal 9 this drops to 4.3v . If i bring up the IO screen terminal 9 is green with a bar over it. If i press ctrl alt i to remove the bar the light turns red instead and everything shuts down. The lube pump reservoir is full so contact is closed. Can somebody tell me if i should be getting 23v at terminal 9 and if so why does it drop to 4.3 when the sensor wire reads 23v when disconnected from terminal 9. Report attached.
Many thanks
Chas
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report_0528190794_2021-03-23_16-03-23.zip
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cncsnw
Posts: 1971
Joined: Wed Mar 24, 2010 5:48 pm

Re: Sensor issue with Lube pump

Post by cncsnw »

With both sensor wires disconnected from the control, how many Ohms resistance do you measure between them?
Chas
Posts: 46
Joined: Fri Jan 25, 2019 2:25 pm
Acorn CNC Controller: Yes
Allin1DC CNC Controller: No
Oak CNC controller: No
MPU11 & GPIO4D -w/ 3rd Party Drives: No
DC3IOB: No
CNC12: Yes
CNC11: No
CPU10 or CPU7: No
CNC Control System Serial Number: none

Re: Sensor issue with Lube pump

Post by Chas »

Hi, managed to resolve the issue. Removed the pump and found an iffy connection. 24v now when connected to terminal 9 and have been able to remove the bar in the IO screen.
Many thanks.
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