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mattr
@mattr
Eminent Member
Joined: Feb 6, 2025
Last seen: Sep 22, 2026
Topics: 3 / Replies: 26
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RE: Kinetix 5500 won't enable, MSO errors and the drive shows safe torque off

Correct. STO is hardwired on the 5500, it doesn't care that there's no safety project. Two inputs, if both aren't at 24V the drive won't enable and MS...

3 weeks ago
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RE: Gantry axes on EtherCAT drift apart over a long move, TwinCAT distributed clocks off

Ran a week of production. The gantry stays inside a few hundredths over the full 2 m and the Y2 following error is flat. That restart sync error clear...

3 weeks ago
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RE: Kinetix 5700 axis fault excessive position error at the end of fast moves

Not more gain. With feedforward at 0 the position loop only pushes when there's already error. At speed it trails the command by whatever error it tak...

3 weeks ago
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RE: Light curtain 200mm from the hazard, auditor wants the ISO 13855 distance for a 300ms stop

Then 1600 x 0.34 is 544, plus 128 for the 30 mm, about 670 mm before anyone argues. Move the curtain, or cut the stop time hard and recalculate. Faste...

3 weeks ago
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RE: Kinetix 5500 won't enable, MSO errors and the drive shows safe torque off

Not an axis parameter. Display says STO, so the drive's safe torque off inputs aren't seeing 24V. What's wired to the STO connector on the front, the ...

3 weeks ago
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RE: PanelView Plus 7 jog button kept the Kinetix axis moving after the Ethernet was unplugged

What's the jog velocity, and is there a hold time set on that button? Some people set a hold time of a few seconds so the press registers, and that'd ...

3 weeks ago
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RE: TLS3-GD2 guard lock releases a second after Stop while the spindle is still coasting

Two ways to do this properly, and neither one is a timer off Stop. Standstill from a safe speed monitor: encoder or a safety rated speed input into t...

3 weeks ago
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RE: Kinetix 5700 axis fault excessive position error at the end of fast moves

Post the trend. And Axis Properties, Position Loop tab, what are the gains and what's Velocity Feedforward set to? Also gearbox ratio and whether tuni...

3 weeks ago
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RE: Gantry axes on EtherCAT drift apart over a long move, TwinCAT distributed clocks off

Both drives to DC-Synchron, activated. First slave is an EK1100 then EL1008s, the drives are boxes 6 and 7. Long move now, the ramp's gone, Y2 error i...

3 weeks ago
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RE: Light curtain 200mm from the hazard, auditor wants the ISO 13855 distance for a 300ms stop

While you wait for a meter, the arithmetic. ISO 13855: S = K x T + C. For a curtain up to 40 mm resolution you start with K 2000 mm/s, and if that com...

3 weeks ago
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RE: TwinCAT EtherCAT at 250 us with 30 slaves, cycle time exceeded and motion jitter

What does the motion actually need? On Kinetix I run most packaging axes at 2 ms coarse update and nobody can tell. What's the fastest thing on that l...

3 weeks ago
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RE: Gantry axes on EtherCAT drift apart over a long move, TwinCAT distributed clocks off

DC tab on both AX8000 says SM-Synchron. Never looked in there, I took whatever the scan gave me. Y1 and Y2 are both on the same setting though, so I'm...

3 weeks ago
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RE: TLS3-GD2 guard lock releases a second after Stop while the spindle is still coasting

Trend it before anything else. Spindle speed from Stop to zero, heaviest wheel, no load, worn belt if it has one. And to be clear, right now the lock ...

3 weeks ago
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