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Search: Posts Made By: Ken Roach
Forum: LIVE PLC Questions And Answers May 6th, 2021, 11:51 PM
Replies: 4
Views: 196
Posted By Ken Roach
The 1336 was unsophisticated compared to modern...

The 1336 was unsophisticated compared to modern drives, but was a sturdy performer in its era.

Yes, it's a V/Hz only drive. No encoders, no vector control. Ordinary boost features.

They...
Forum: LIVE PLC Questions And Answers May 6th, 2021, 10:44 PM
Replies: 4
Views: 196
Posted By Ken Roach
Ooh.. I did find some hints about 9V and 5V...

Ooh.. I did find some hints about 9V and 5V supplies on page 1-19 of the Troubleshooting Guide.

https://literature.rockwellautomation.com/idc/groups/literature/documents/tg/1336-tg003_-en-p.pdf
Forum: LIVE PLC Questions And Answers May 6th, 2021, 10:35 PM
Replies: 4
Views: 196
Posted By Ken Roach
There's a throwback Thursday for you ! This...

There's a throwback Thursday for you !

This is a "1336 Classic", before the 1336 Plus or the 1336 Plus II. It didn't have a modular "Human Interface Module", just a keypad that interfaced with...
Forum: LIVE PLC Questions And Answers May 6th, 2021, 09:52 PM
Replies: 5
Views: 315
Posted By Ken Roach
Yes, you would need to change the I/O...

Yes, you would need to change the I/O configuration in RSLogix 5000, and maybe make a change to the POINT rack size through its web browser too.

Generally I/O modules don't just burn up...
Forum: LIVE PLC Questions And Answers May 6th, 2021, 08:40 PM
Replies: 5
Views: 315
Posted By Ken Roach
Thanks for those details ! You are correct,...

Thanks for those details !

You are correct, of course, that the 1734-OA4 (https://literature.rockwellautomation.com/idc/groups/literature/documents/in/1734-in009_-en-e.pdf) is rated for 750 mA per...
Forum: LIVE PLC Questions And Answers May 6th, 2021, 07:08 PM
Replies: 5
Views: 315
Posted By Ken Roach
I've certainly seen 120V AC circuits burn up when...

I've certainly seen 120V AC circuits burn up when they get contaminated, overloaded, shorted to ground, etc.

The fact that it was in the context of a POINT I/O assembly and a 1734-FPD Field...
Forum: LIVE PLC Questions And Answers May 6th, 2021, 04:50 PM
Replies: 9
Views: 804
Posted By Ken Roach
Measuring the current in an ordinary 3-phase...

Measuring the current in an ordinary 3-phase across-the-line motor is often done with an overload relay that has those features, or with current transformers along with a transducer that outputs 4-20...
Forum: LIVE PLC Questions And Answers May 5th, 2021, 06:02 PM
Replies: 14
Views: 404
Posted By Ken Roach
Thank you for the clarification. Your...

Thank you for the clarification. Your description of "two duplicate panelview on both station" suggested a minimum of two additional PanelViews.

I think I understand now that you want only one...
Forum: LIVE PLC Questions And Answers May 5th, 2021, 04:56 PM
Replies: 14
Views: 404
Posted By Ken Roach
Attached is that image as a PPT (in a ZIP archive...

Attached is that image as a PPT (in a ZIP archive so the forum will support it).

The dotted red lines from the PanelViews at Station B will be their logical connections over the VPN link between...
Forum: LIVE PLC Questions And Answers May 5th, 2021, 04:54 PM
Replies: 14
Views: 404
Posted By Ken Roach
Attached is a sketch of how I think you intend to...

Attached is a sketch of how I think you intend to connect this system; feel free to mark it up (I will attach a zipped PPT separately).

A MicroLogix 1400 could support four independent PanelViews...
Forum: LIVE PLC Questions And Answers May 5th, 2021, 04:04 PM
Replies: 14
Views: 404
Posted By Ken Roach
Thanks for the details: "Internet tunneling"...

Thanks for the details: "Internet tunneling" suggests a VPN with static endpoints, a less horrifying security situation.

But fundamentally if you bought PanelView terminals that communicate with...
Forum: LIVE PLC Questions And Answers May 5th, 2021, 03:55 PM
Replies: 15
Views: 809
Posted By Ken Roach
Some confirmations and affirmations: Yes,...

Some confirmations and affirmations:

Yes, the cable is OK.

If the cable works on a CompactLogix Channel 0 serial port, it will also work on an SLC-5/0x controller Channel 0 serial port.

Yes,...
Forum: LIVE PLC Questions And Answers May 4th, 2021, 07:21 PM
Replies: 5
Views: 462
Posted By Ken Roach
Thanks... I was thoroughly wrong. Either my...

Thanks... I was thoroughly wrong. Either my experience is too obsolete or I was mis-recollecting.

You say you can PING the PanelView 800 and "see it" in Wireshark, correct ?

When you use "ARP...
Forum: LIVE PLC Questions And Answers May 4th, 2021, 01:32 PM
Replies: 3
Views: 289
Posted By Ken Roach
Welcome to the PLCTalk forum community ! It...

Welcome to the PLCTalk forum community !

It sounds like you are describing a "lead / lag" pump control logic for runtime, not for speed or position control.

The more context and detail you can...
Forum: LIVE PLC Questions And Answers May 4th, 2021, 01:24 PM
Replies: 5
Views: 462
Posted By Ken Roach
Not much coffee on board, using foggy recollections....

Welcome to the PLCTalk forum community ! Your screenshots are excellent; thank you for including them.

It's been a few months since I dealt with one of those PanelView 800s. Mine was...
Forum: LIVE PLC Questions And Answers May 3rd, 2021, 06:15 PM
Replies: 6
Views: 411
Posted By Ken Roach
The problem is that the SLC-5/02 doesn't support...

The problem is that the SLC-5/02 doesn't support a tidy asynchronous serial protocol, but rather the proprietary and finicky Data Highway 485.

If this were a protocol that had ASCII delimiters on...
Forum: LIVE PLC Questions And Answers May 3rd, 2021, 06:04 PM
Replies: 6
Views: 411
Posted By Ken Roach
Unfortunately your SLC-5/02 has come to the end...

Unfortunately your SLC-5/02 has come to the end of it's practical useful life if you need to connect a PanelView Plus 7 Performance terminal to it. A service life of 25+ years is pretty great for...
Forum: LIVE PLC Questions And Answers May 3rd, 2021, 11:55 AM
Replies: 23
Views: 1,546
Posted By Ken Roach
Some other comments based on a very quick review:...

Some other comments based on a very quick review:

In the SLC-500 platform, only LAD2 executes automatically and by default, similar to Siemens OB1 or ControlLogix Main Program of the Continuous...
Forum: LIVE PLC Questions And Answers May 3rd, 2021, 11:39 AM
Replies: 23
Views: 1,546
Posted By Ken Roach
Thanks for posting that program ! The data...

Thanks for posting that program !

The data mapping of the 1305 drives is straightforward in that project. They use the smallest "1/4 rack" RIO memory allocation.

This is shown in the...
Forum: LIVE PLC Questions And Answers May 1st, 2021, 10:23 PM
Replies: 10
Views: 814
Posted By Ken Roach
CompactLogix is less complex, less fast, and less...

CompactLogix is less complex, less fast, and less capable, and probably always will be. It's an architecture and feature matter, not a marketing issue.

For a machine that needs multiple networks...
Forum: LIVE PLC Questions And Answers May 1st, 2021, 04:21 PM
Replies: 11
Views: 919
Posted By Ken Roach
Thanks very much for the feedback / followup !

Thanks very much for the feedback / followup !
Forum: LIVE PLC Questions And Answers May 1st, 2021, 04:15 PM
Replies: 23
Views: 1,546
Posted By Ken Roach
A specific question for our Forum colleague...

A specific question for our Forum colleague "geniusintraining": Does the 1761-NET-ENI Series D substitute have that DF1 / IP routing table, and how many entries does it support ?
Forum: LIVE PLC Questions And Answers May 1st, 2021, 04:11 PM
Replies: 23
Views: 1,546
Posted By Ken Roach
Distributing the drives along a conveyor takes...

Distributing the drives along a conveyor takes advantage of the distance capabilities of RIO (up to 10,000 feet !) but your 200 foot conveyor is well within the capabilities of other networking...
Forum: LIVE PLC Questions And Answers May 1st, 2021, 03:51 PM
Replies: 23
Views: 1,546
Posted By Ken Roach
Thanks for those details ! Some simplified...

Thanks for those details ! Some simplified background highlights:

RIO and DH+ share the same signal and wiring but different protocols. The SLC-5/04 has a DH+ port built into the CPU, but can...
Forum: LIVE PLC Questions And Answers May 1st, 2021, 03:09 PM
Replies: 4
Views: 421
Posted By Ken Roach
What's the ControlLogix or CompactLogix...

What's the ControlLogix or CompactLogix controller or Ethernet network module ?

It is likely that you're using a CompactLogix with more than one physical network connector, like one of the...
Showing results 1 to 25 of 500

 
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