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firmware 5i25,7i85,8i20 brushless servo drive
I would use the external (TB1) power option.
This means 8I20 W2 should be down and 7 to 48VDC (24VDC is a good choice)
needs to be applied to the 8I20 TB1 pins 1 and 2 (8I20man.pdf page 2 and 3)
The next thing is that a serial cable needs to connect from the 7I85 to the 8I20
(7I85man.pdf pages 7 and 10)
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he next thing is that a serial cable needs to connect from the 7I85 to the 8I20
(7I85man.pdf pages 7 and 10)
It's probably most cost-effective to buy ethernet patch cables twice as long as needed and cut them in the middle.
(though a custom Phoenix Pluggable Terminal to RJ45 connector would be nicer)
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I plugged the CAT5e cable in and connected the wires at the other end to 7i85 tb2 pins 9 thru 16.
Page 10 7i85 indicates three options -pins9 thru 16
pins1thru 8
pins17 thru 24
I can't find any information that tells me which set to use so I just picked one at random.
the following LEDs are on-pwr, lv status,iso pwr,fault
status and hv are off.
I tried connecting the same 12v supply also to enable in +and- but that did not make the red fault led go off.
I get the same error- pin amp enable does not exist.
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I plugged the CAT5e cable in and connected the wires at the other end to 7i85 tb2 pins 9 thru 16.
Page 10 7i85 indicates three options -pins9 thru 16
pins1thru 8
pins17 thru 24
I can't find any information that tells me which set to use so I just picked one at random.
The picture on 7I85 manual page 3 and connector pinouts on page 7 and 8 indicate which serial channel connect to which terminal block (you have connected to serial 0 which make sense to start with)
the following LEDs are on-pwr, lv status,iso pwr,fault
status and hv are off.
I tried connecting the same 12v supply also to enable in +and- but that did not make the red fault led go off.
OK thats good that means the 8I20- logic power is on. You will need the drive enable powered to start the drive but the fault LED will not go out until communications are established with LinuxCNC. When this happens you should see the red fault LED extingush and a green status LED start blinking
If this does not happen it can be a number of things, most likely serial cable or HAL file issues.
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- johns00056
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- johns00056
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- Thank you received: 2
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- johns00056
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Despite being super careful, I had it connected upside down.
Thanks for your patient help. I have lots of features to check out now.
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- Configuring LinuxCNC
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- firmware 5i25,7i85,8i20 brushless servo drive