Rat Rig Community [Unofficial]•14mo ago

Z-Steppers not functioningcorrectly

Question to those smarter then me. I have a Octopus Max EZ that I am having issues with the Z axis. When I do the stepper buzz test it works with stepper_z but gives the uart IFCNT error when I try Z1, Z2 etc. If I change say Z1 to Z and remark out original Z then that new Z axis works so I know the driver is good. I am curious if the system thinks I only have 1 Z and therefor the others fail. And if so how to go about making it see the other Z axis. @mietzekatzi

config.cfg

printer.cfg

35 Replies

Mietzekatzi•14mo ago

Ok, imho the config is a bit chaotic:

Mietzekatzi•14mo ago

1. uncomment the lines with x and y pin names in your added config.cfg.

Mietzekatzi•14mo ago

2. Right now the pin definitions in config.cfg aren't used. For them to work, (I think) you need to import them earlier, in the sections where the control board is usually placed. See the screenshot below 3. Uncomment this line: [include RatOS/printers/v-core-3/steppers.cfg]

Mietzekatzi•14mo ago

4. In the section STEPPER MOTORS, DRIVERS & SPEED LIMITS revert your changes, and change to this (for starters, you can enable performance mode later)

Mietzekatzi•14mo ago

5. Remove everything that concers pins in the override section at the end. This should be handled by the the boards config.cfg and the steppers.cfg Ok, i see that you have 5160s on x/y, then in the stepper motors section do this:

Comment these out
#[include RatOS/printers/v-core-3/tmc2209.cfg]
#[include RatOS/steppers/ldo/42sth48-2504ac/2209/24v-1.1a-x.cfg]
#[include RatOS/steppers/ldo/42sth48-2504ac/2209/24v-1.1a-y.cfg]

# Add these instead
# TMC 5160 + LDO-42STH48-2504AC 48V
[include RatOS/steppers/ldo/42sth48-2504ac/5160/50v-1.768a-x.cfg]
[include RatOS/steppers/ldo/42sth48-2504ac/5160/50v-1.768a-y.cfg]

Comment these out
#[include RatOS/printers/v-core-3/tmc2209.cfg]
#[include RatOS/steppers/ldo/42sth48-2504ac/2209/24v-1.1a-x.cfg]
#[include RatOS/steppers/ldo/42sth48-2504ac/2209/24v-1.1a-y.cfg]

# Add these instead
# TMC 5160 + LDO-42STH48-2504AC 48V
[include RatOS/steppers/ldo/42sth48-2504ac/5160/50v-1.768a-x.cfg]
[include RatOS/steppers/ldo/42sth48-2504ac/5160/50v-1.768a-y.cfg]

And add the following things in the override section to replace the tmc2209.cfg:

# Stepper Performance
[tmc5160 stepper_x]
stealthchop_threshold: 0
interpolate: False

[tmc5160 stepper_y]
stealthchop_threshold: 0
interpolate: False

[tmc2209 extruder]
uart_pin:  e_uart_pin
run_current: 0.5
stealthchop_threshold: 0
interpolate: False

[tmc2209 stepper_z]
stealthchop_threshold: 1

[tmc2209 stepper_z1]
stealthchop_threshold: 1

[tmc2209 stepper_z2]
stealthchop_threshold: 1

# Stepper Performance
[tmc5160 stepper_x]
stealthchop_threshold: 0
interpolate: False

[tmc5160 stepper_y]
stealthchop_threshold: 0
interpolate: False

[tmc2209 extruder]
uart_pin:  e_uart_pin
run_current: 0.5
stealthchop_threshold: 0
interpolate: False

[tmc2209 stepper_z]
stealthchop_threshold: 1

[tmc2209 stepper_z1]
stealthchop_threshold: 1

[tmc2209 stepper_z2]
stealthchop_threshold: 1

That should be it

Teckgeek•14mo ago

Thanks I’ll give that a try when I get from Dr appt

miklschmidt•14mo ago

Excellent support there Flo chefkiss

appreciate it!

Teckgeek•14mo ago

Okay put changes in z1 and z2 still give Unable to read tmc uart 'stepper_z1' register IFCNT. z0 gives new error: TMC 'stepper_z' reports error: DRV_STATUS: 00130090 s2vsa=1(ShortToSupply_A!) olb=1(OpenLoad_B!) cs_actual=19

miklschmidt•14mo ago

Check that your driver jumpers are correct This means your motor cable is miswired. Check pin order and redo your crimps.

Teckgeek•14mo ago

Ok fixed the cable Stepper_Buzz Stepper=stepper_z works again. z1 and z2 still: Unable to read tmc uart 'stepper_z1' register IFCNT

Mietzekatzi•14mo ago

In which sockets do you have the z1, z2 stepper drivers? And please post your printer.cfg again

Teckgeek•14mo ago

Z is in 8, z1 in 9, and z2 in 10

printer.cfg

Teckgeek•14mo ago

Mietzekatzi•14mo ago

Ok, I have placed them in 5-7 on my board. In this case you would not need to override so much. The pins look okay though... THINKING

Teckgeek•14mo ago

I did try 5-7 first and thought maybe I had a board or driver issue so moved for testing

Gaming

Programming

Z-Steppers not functioningcorrectly