Forum

carav9
@carav9
New Member
Joined: Jul 1, 2025
Last seen: Sep 19, 2026
Topics: 3 / Replies: 7
Reply
RE: 1769-L33ER watchdog fault, type 6 code 1, after adding an ST WHILE loop

What happens when Product isn't in the array? Read the loop again with that case in mind, and tell me what the IF at the bottom is for. Also, continuo...

22 minutes ago
Reply
RE: CompactLogix reboots whenever a bank of solenoids fires

Fitted a second 24VDC 5A supply for the PLC and the rack. Valves and HMI stay on the 10A. Commons tied at the ground bar. Jogged the manifold 20 times...

52 minutes ago
Reply
RE: CompactLogix periodic task overlap count climbing, PanelView sluggish

Two things stacked. T_Fast running up to 6.8ms in a 5ms period runs past the next trigger whenever a scan goes long, overlap, and it takes priority ev...

1 hour ago
Reply
RE: Gantry axes on EtherCAT drift apart over a long move, TwinCAT distributed clocks off

What are the drives running in, DC-Synchron or SM-Synchron? Each AX8000 has a DC tab in TwinCAT. A ramp that grows with the move and resets when it st...

9 hours ago
Reply
RE: CompactLogix periodic task overlap count climbing, PanelView sluggish

Not the port. Overlap count going up means the 5ms trigger is arriving before the previous pass of T_Fast is done. What's the task's watchdog, what pr...

11 hours ago
Reply
RE: CompactLogix reboots whenever a bank of solenoids fires

The coils say 24VDC 0.21A. So 8.4A if all 40 fire at once, plus the PLC and the rack and the HMI. That's over 10 isn't it.

23 hours ago
Reply
RE: CompactLogix reboots whenever a bank of solenoids fires

One supply, 24VDC 10A, feeds the PLC, the rack, the valve manifold and the HMI. That's everything on it I think, panel builder's label. Meter can't ca...

3 days ago