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hkraus
@hkraus
Eminent Member
Joined: Nov 18, 2024
Last seen: Sep 22, 2026
Topics: 0 / Replies: 25
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RE: 1756-EN2T drops to 16#0204 a few times a shift since the module swap

That is your duplicate then. Whoever built the CIP skid went to the crib for a spare and took the module you pulled off the filler on Friday, and it s...

2 weeks ago
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RE: 1734-AENTR display keeps restarting and the Point I/O drop faults a few times a shift

Twenty seconds could be the link renegotiating. Look at the switch port the adapter lands on and see whether somebody has forced it to 100 full while ...

3 weeks ago
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RE: 1756-EN2T drops to 16#0204 a few times a shift since the module swap

A clean means the utilities panel wakes up. What is in that panel?

3 weeks ago
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RE: STEP 7 V5.5 says object not found with 256:31 and I cannot find that number anywhere

Two things before anyone guesses. What exactly were you doing when it came up, opening HW Config from the Manager or compiling it, and is the number i...

3 weeks ago
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RE: PROFIsafe F-DI passivates with F-monitoring time exceeded since the MRP ring went in

F-monitoring time goes in the response time sheet. Every time it changes.

3 weeks ago
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RE: SISTEMA gives PL c for a Cat 3 door interlock on an S7-1500F, needed PL d

Seen a lot of SISTEMA files for machines that were never built.

3 weeks ago
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RE: S7-1200 HSC misses pulses from a 2 kHz encoder, counts about half

The HSC dialog and the filter dialog never talk to each other.

3 weeks ago
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RE: S7-1500 swapped from stock stays in STOP, download finishes and nothing runs

Dead CPU in the bin with the card still in it. Been there.

3 weeks ago
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RE: KEPServerEX reads S7-1200 tags as Bad quality, channel shows connected

Rack and slot are a red herring on a 1200, the driver only cares about them for the 300. The block request failing while the TCP connection stays up i...

3 weeks ago
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RE: PROFIsafe F-DI passivates with F-monitoring time exceeded since the MRP ring went in

Separate the layers before touching the F-parameters. Switch logs first: is a port flapping? Then the ring: does the manager report reconfigurations a...

3 weeks ago
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RE: SISTEMA gives PL c for a Cat 3 door interlock on an S7-1500F, needed PL d

That's your c. Category 3 wants diagnostics on the channels, and an unmonitored contactor pair has none, which is the DC none you entered yourself, ag...

3 weeks ago
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RE: PRONETA and TIA V17 find no PROFINET devices from the engineering VLAN, ping works

No. There's nothing to open. DCP has no IP header, so a router has no address to route it to. A layer 2 VLAN stretched out to your office port would w...

3 weeks ago
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