Testing 1794 I/O Modules without a Processor: How to Monitor Data Using Studio 5000 via Ethernet and RedLion Graphite G15C000

Question:

Hello, I am about to work with a 1794-AENTR and a series of 1794 I/O modules. I need to ensure the control panel they are installed in is functioning properly. Unfortunately, I won't have access to a processor. Is there a way to monitor the data of the modules (such as inputs, outputs, and configurations) using Studio 5000 on a laptop connected to the same switch as the 1794-AENTR via Ethernet? Alternatively, could a RedLion Graphite G15C000 be used to communicate with the modules? Are there any diagnostics or testing software tools available from Allen Bradley? Thank you for your assistance.

Top Replies

Without advanced expertise and custom software skills, performing this task can be challenging. One of the main obstacles is the limited configuration data transmitted to modules during connection setup in ControlLogix. Non-controller tools lack the capability to send this data, and the close integration of these modules with Studio 5000 means there is no universal webpage interface available for testing. However, if you have Studio 5000, you can utilize any accessible CPU to create a test program. The long-standing 1794-AENTR is compatible with almost any CPU or firmware version, making it a versatile option for testing.

Ken Roach mentioned that without expert knowledge and custom software skills, there is no easy way to configure modules connected to ControlLogix. These modules rely on limited configuration data sent during connection establishment, making it challenging for non-controller tools to interact with them. Due to their tight integration with Studio 5000, testing these modules lacks a general-purpose web interface. However, if you have Studio 5000, any CPU accessible to you can be used to create a test program for the long-standing 1794-AENTR module, compatible with various CPU and firmware versions. Unfortunately, even though I have Studio 5000, I don't have access to a physical processor/CPU on-site or at my office.

In the past, my AB distributor graciously lent me a PLC. It might be worth considering trying one out for yourself.

Men pointed out that without a software tool compatible with PLCs, it can be challenging to integrate them. Do you have access to any PLCs? Certain models such as the Sensia HCC2 controller are compatible with devices like Flex IO. There have been reports of successful integration with DeltaV as well, although I have not personally tested this myself.

tlf30 noted that without a specialized software tool to connect with them, it can be challenging to work with PLCs. Are you able to access any PLC systems? Some PLCs, like the Sensia HCC2 controller, support components such as Flex IO. There have also been reports of successful integration with DeltaV systems, though I have not personally tested this. Thank you for the insight, tlf30. At the moment, I do not have access to any PLC systems other than a RedLion Graphite G15C000 HMI. Upon examination with Crimson 3.2, I discovered that Crimson requires Tag definitions, which are not available without a processor.

Definitely, Studio 5000 has the tools you need to do exactly that! You can monitor the data of your modules even without access to the processor. Just make sure your laptop is connected to the same network as the 1794-AENTR module. The software allows you to have eyes on the configurations, inputs, and outputs. Regarding your inquiry about the RedLion Graphite G15C000, it could potentially communicate with your modules, provided that it is configured correctly with the appropriate driver. On the matter of diagnostics or testing software tools, Allen Bradley does offer a variety of these tools. I'd recommend taking a peek at the Integrated Architecture Builder (IAB); it's excellent for designing and configuring your system.

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Frequently Asked Questions (FAQ)

FAQ: 1. Can I monitor data from 1794 I/O modules without a processor using Studio 5000 and Ethernet?

Answer: - Yes, you can monitor the data of the modules (inputs, outputs, configurations) by connecting your laptop running Studio 5000 to the same switch as the 1794-AENTR via Ethernet.

FAQ: 2. Is it possible to use a RedLion Graphite G15C000 to communicate with the 1794 I/O modules?

Answer: - Yes, the RedLion Graphite G15C000 can be used to communicate with the 1794 I/O modules, providing an alternative method for monitoring and controlling them.

FAQ: 3. Are there any diagnostics or testing software tools available from Allen Bradley for monitoring 1794 I/O modules without a processor?

Answer: - While specific software tools may vary, Allen Bradley typically provides diagnostics and testing software tools that can assist in monitoring and troubleshooting 1794 I/O modules without the need for a processor.

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