The SLC-500: A Tale Of Six Controllers

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The SLC-500 family of Programmable Logic Controllers was quite popular when it launched in the early nineties. The most obvious reason was that it was smaller and less expensive than A-B's flagship product at the time, the PLC-5. The SLC-500 also...

DH-485 Comms Hardware and RSLinx Setup (Video, TAS 25)

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In this week's episode of The Automation Show, I cover the different hardware used to connect a PC to a DH-485 network, as well as how to configure RSLinx Classic Drivers for each: For more information, check out the "Show...

The SLC-5/05: Setup Comms and Download over Ethernet using RSLinx and RSLogix 500

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So you need to know how to setup RSLinx Classic to communicate to an Allen-Bradley SLC-5/05 using Ethernet in order to download (or go online) using RSLogix 500? Well you're in luck as in today's article I'll walk you step-by-step through how...
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Flashback Friday! MicroLogix to PowerFlex 4

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Welcome to The Automation Blog's "Flashback Friday!" Today I'm highlighting a couple of eleven year old MicroLogix programs showing how to communicate to a PowerFlex 4. Back in 2004 many small OEM's were approaching me about using the MicroLogix to control the small PowerFlex...

Programmable Controller Non-Volatile and Volatile Memory (P7)

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In The Automation Podcast, Episode 7, we discuss PLC and PAC non-volatile and volatile memory as used in the PLC-5, SLC-500, CompactLogix and ControlLogix. Note: You can read more about ControlLogix and CompactLogix non-volatile memory in our companion blog article HERE. Listen to...

ControlLogix Reading Data From CompactLogix, MicroLogix, and SLC-500 over DH-485 (Video, TAS 26)

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In this week's episode of The Automation Show, I cover how you can use the MSG (Message) Instruction in the ControlLogix to read data from CompactLogix, MicroLogix, and SLC-500 over a DH-485 network: For more information, check out the "Show...

PanelView Plus to ControlLogix, SLC-5/04, & PLC-5 over DH Plus (Video S35)

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In this week's episode of The Automation Show, I cover how to use View Studio to create and download a PanelView Plus program to read data from a ControlLogix, SLC-5/04 and PLC-5 over a Data Highway Plus network: For more...
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Is the SLC-500 still viable?

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I recently received a message from someone who had just purchased a used machine with a SLC-500 based control system on it. Because most of his existing systems use simple relay controls, the new owner of the machine was reaching...
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MicroLogix 1200 to PowerFlex 4 using Modbus

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This second program is based on the first, but uses the Modbus Master protocol available in the latest release of the MicroLogix 1200, as well as a 1761-Net-AIC. The biggest obstacle in getting this configuration to work was trying to find...

USB to Data Highway Plus using the ANC-120e, a lower cost alternative to the...

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In today's episode of The Automation Podcast I take a look at the ANC-120e USB to Data Highway Plus converter from Automation Networks. Now you may be asking yourself why the folks over at Automation Networks would release a USB to...