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Alarm Extraction — Allen-Bradley PLCs

What Alarms Does
Your Machine Have?

Upload your Allen-Bradley program or FactoryTalk HMI file and get a complete searchable list of every alarm and event definition your machine can raise. Link each alarm to the rung that triggers it, all without Studio 5000.

Palletizer.ACDDemo Data
FilePalletizer.ACD
AlarmINFEED_JAM
TypeALARM_ANALOG
MessageInfeed conveyor jam detected
SeverityWarning
TriggerMainRoutine : Rung 12
SearchYes, name + message
Key Takeaways
  • The PLC alarm list extracts every alarm and event definition from your Allen-Bradley program and FactoryTalk HMI, then makes them searchable in your browser.
  • Program alarms (ALARM_DIGITAL and ALARM_ANALOG) link to the exact rung that triggers them, so you understand the logic without scrolling code.
  • HMI alarm messages from FactoryTalk View ME files show what your screens display, complete with severity level and any recovery instructions.
  • No Studio 5000 or FactoryTalk View required. Upload an ACD, L5X, RSS, or MER file and get a complete alarm database in seconds.

What the Alarm List
Can Do

Extract Program Alarms

Reads ALARM_DIGITAL and ALARM_ANALOG instructions from ControlLogix and CompactLogix programs. See the alarm name, message, setpoint, and which routine and rung triggers it.

Parse HMI Alarm Messages

Extracts the complete alarm and event message dictionary from FactoryTalk View ME files. Understand every message your HMI screens display without opening FactoryTalk View.

Searchable Alarm Database

Search by alarm name, message text, type, or severity. Filter program alarms, HMI alarms, or both. Results update instantly, no pagination needed.

Link to Triggering Logic

Each program alarm links to the rung and routine that contains the ALARM instruction. Click and jump to the exact logic that triggers the alarm.

View Full Parameters

See alarm name, message, type (DIGITAL or ANALOG), severity level, setpoint, hysteresis, and any notes or descriptions embedded in the program.

Support for Multiple Formats

Works with ACD files from Studio 5000, L5X exports, RSS files from RSLogix 500, and MER files from FactoryTalk View. Upload one file and get all alarms.

What is the PLC Alarm List?

The PLC alarm list is a tool that reads your Allen-Bradley program or FactoryTalk HMI file and builds a searchable index of every alarm and event definition in your system. When you upload an ACD, L5X, RSS, or MER file, the tool parses all alarm instructions, extracts their names and messages, and indexes them for instant search. In our testing, this answered a question that normally took 30 minutes of manual digging through Studio 5000 or FactoryTalk View.

  • Extract ALARM_DIGITAL and ALARM_ANALOG instructions from your Logix program.
  • Parse the full alarm and event message dictionary from FactoryTalk View ME HMI files.
  • Search by alarm name, message text, severity, or type in real time.
  • Link each program alarm to the rung and routine that triggers it.
  • View all alarm parameters: setpoint, hysteresis, message, recovery instructions, and more.

The most useful part is the rung linkage: when an alarm is triggered by code in your program, the list tells you exactly where to look. You can verify the logic, understand the conditions that raise the alarm, and fix problems without spending hours scrolling through Studio 5000 or hunting through the FactoryTalk View project tree.

How to Get Your Alarm List

01

Upload your file

Upload your Allen-Bradley ACD, L5X, RSS file or your FactoryTalk View ME MER file. The tool reads all alarm definitions from your file automatically.

02

View all alarms

The alarm list shows every ALARM_DIGITAL and ALARM_ANALOG instruction in your program, plus all messages in your HMI file. See the name, message, type, and severity of each alarm at a glance.

03

Search or filter

Search by alarm name, message text, severity, or type. Filter to show only program alarms, HMI alarms, or both, and find what you need in seconds.

04

Click to the rung

Click any alarm to see its full parameters. If it is triggered by logic in your program, click the rung citation to jump straight to the instruction that uses it.

Extract Every Alarm Your Machine Can Raise

Upload your Allen-Bradley ACD, L5X, RSS, or FactoryTalk View ME MER file and get a searchable alarm list instantly

Drop your PLC or HMI file here

or browse to select

.ACD.L5X.RSS.MER

Frequently Asked Questions

What is a PLC alarm list?

A PLC alarm list is a searchable index of every alarm and event definition in your Allen-Bradley program. It extracts ALARM_DIGITAL and ALARM_ANALOG instructions from Logix programs and reads the full alarm message dictionary from FactoryTalk View ME files. Instead of scrolling through code or opening FactoryTalk View, you get a complete list with each alarm's name, message, parameters, and the rung that triggers it.

Where does it extract alarms from?

The alarm list pulls alarms from three places: ALARM_DIGITAL and ALARM_ANALOG instructions embedded in your ControlLogix or CompactLogix program (from ACD or L5X files), the alarm message dictionary stored in FactoryTalk View ME HMI projects (MER files), and event log definitions from RSLogix 500 programs (RSS files). It reads all three in one upload.

Can I search the alarms?

Yes. The alarm list is fully searchable by name, message text, type, or severity. You can filter to show only certain alarm types or search for a specific message like 'JAM' or 'PRESSURE'. The search runs instantly and is case-insensitive.

Does it link alarms back to the ladder logic?

Yes. When an alarm is triggered by an instruction in your program, the alarm list links to the exact rung and routine that contains the alarm instruction. Click the rung citation and jump straight to the logic instead of hunting through hundreds of lines.

What if I only have a FactoryTalk HMI file without the PLC program?

The alarm list works on MER files alone. It extracts the full alarm message dictionary from the HMI, so you can see every message your screens are configured to show. You do not need the program file to understand what alarms your HMI displays.

Pro plans are now available

Starts at $300/month per file. View ladder logic, trace tags, compare versions, and chat with AI about your code — no Studio 5000 license required.

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