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jcasey
@jcasey
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Joined: Apr 14, 2025
Last seen: Sep 19, 2026
Topics: 1 / Replies: 14
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RE: 1769-IQ16 input chatters after wiring it in parallel with a 1734-IB8S safety input

Third block if there's a free position, and don't let anybody suggest killing the pulse test on that point instead. On an e-stop channel that pulse is...

33 minutes ago
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RE: EtherNet/IP MSGs cross the firewall fine, 1794-AENT I/O in the other zone gets 16#0204

IT allowed UDP 2222 both ways for that one pair on Thursday and the rack went green the moment they applied it. RPI at 50ms like Dave said, no drops o...

38 minutes ago
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RE: KEPServerEX 6 browse from Ignition takes ten minutes, 46,000 tags, one core pegged

Filter the CSV on the Address column, anything ending in an array index you don't read, delete the block. Twenty minutes a device, not a day.

1 hour ago
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RE: Consumed tag error 16#0127 invalid connection size after editing a UDT

Same order? You said on the end. Was it on the end upstream too, or did you put it in the middle there so it sat next to the other REALs? The size mat...

2 hours ago
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RE: PID_Compact output twitches between 40 and 60 percent as soon as I add derivative

> moves about 0.03 bar up and down every sample Process value, yes. And that's your twitch. D looks at the rate of change of the PV. 0.03 bar in 1...

2 hours ago
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RE: CompactLogix 1769-L30ER, sump pump started by itself after the plant lost power

Was the pump running when the power went off? If it was, the run bit was on, and an OTL bit keeps its value through a power cycle on Logix. No battery...

5 hours ago
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RE: FactoryTalk View SE 13 alarm and event server dead after every server reboot

Nobody reads that second radio button. Good one to have written down.

6 hours ago
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RE: Consumed tag error 16#0127 invalid connection size after editing a UDT

> the consumer is expecting the old size Yes. A produced tag and its consumer have to be the same type and the same size, byte for byte, and the c...

7 hours ago
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RE: EtherNet/IP MSGs cross the firewall fine, 1794-AENT I/O in the other zone gets 16#0204

Deny log, one minute from uninhibit: deny udp 10.30.1.20/2222 to 10.30.2.40/2222, 43 hits deny udp 10.30.2.40/2222 to 10.30.1.20/2222, 41 hits Nothi...

10 hours ago
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RE: 1769-IQ16 input chatters after wiring it in parallel with a 1734-IB8S safety input

> took a wire off channel A at the IB8S input terminal Is that point pulse tested, with T0 or T1 as its test source? Because then it isn't a clean...

11 hours ago
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RE: KEPServerEX 6 browse from Ignition takes ten minutes, 46,000 tags, one core pegged

> generate the whole controller database on startup How many of the 46k does the gateway actually subscribe to? On ours it was under 2,000 of 30k....

12 hours ago
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RE: FactoryTalk View SE 13 alarm and event server dead after every server reboot

Never tries is the clue. Does the HMI server say loaded in the same log? If the HMI server loads on boot and the alarm server doesn't, they're set dif...

15 hours ago
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RE: EtherNet/IP MSGs cross the firewall fine, 1794-AENT I/O in the other zone gets 16#0204

> unicast or multicast Unicast, always has been. It's an AENT, series B, the old single port one. RPI was 20ms before too and it ran like that for...

20 hours ago
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RE: Logix Emulate 5000 won't take my 1756-L83E project, controller type not supported

> Does the emulator want it to say something else Yes. The emulator is its own controller type, and Studio only downloads to the type the project ...

20 hours ago