A 24/7 operation has no recovery time built into the schedule. An alarm that arrives 90 seconds late on a continuous process can cost a full batch in pharmaceuticals, a quality reject in semiconductor, or a six-figure shutdown in automotive. Plant Managers carry that risk on their P&L, even though the alarm infrastructure that produces those alerts often sits inside controls or IT.
The numbers behind the risk are well documented. Siemens reports that Fortune Global 500 manufacturers lose approximately USD $1.4 trillion every year to unplanned downtime, equivalent to 11% of total revenues, up from USD $864 billion five years earlier (Siemens, The True Cost of Downtime 2024, siemens.com).
Choosing an industrial alarm system is not a controls decision. It is a risk decision. The framework below covers the six evaluation areas that determine whether a system holds up under 24/7 conditions, across uptime, safety, and workforce stability.
1. Reliability and Resilience
Will the system run when the Plant Manager is asleep?
24/7 operations test alarm infrastructure in ways that single-shift environments never see. Failover events, network interruptions, and weekend power transitions all happen when the people who built the system are nowhere near it. The wrong question is “can it run.” The right question is “what happens when it cannot?”
Evaluate the system against four points:
- Redundancy architecture across server, network, and notification paths.
- Recovery time objective after a planned or unplanned outage.
- On-premise versus cloud trade-offs for an OT environment.
- Vendor track record in mission-critical deployments at sites comparable to your own.
2. Integration Scope
Will it work with what the plant already runs?
Many plants do not have one SCADA system, one MES, and one historian. They have a stack built up over 15 to 25 years, with software from multiple vendors and protocols that span generations. An alarm system that requires the plant to standardize before it can deliver value is a multi-year project, not a 24/7 risk-reduction tool.
Evaluate native integrations with installed SCADA, HMI, MES, and historian platforms. Confirm protocol coverage including OPC UA, MQTT, Modbus, and EtherNet/IP. Check that output channels match the devices people already carry, including two-way radios, smartphones, Andon displays, public address systems, and pagers. Ask whether adding a new line, building, or site requires a forklift upgrade or fits into the existing architecture.
This is where a focused, integration-first platform delivers more than a general-purpose notification tool. SeQent Alarm Management connects natively to AVEVA, GE Digital, PTC, Rockwell Automation, and Motorola MOTOTRBO Radios for audio and text dispatch from a single platform.
3. Notification Design
Does the right person actually get the alert?
An alarm that fires is not the same as an alarm that gets a response. Routing, escalation, and acknowledgment determine whether the alert produced by the SCADA layer becomes action on the floor. This is where many legacy alarm systems fail. They generate the alert, broadcast widely, and assume someone will pick it up.
Evaluate routing rules by shift, role, and on-call rotation. Confirm escalation paths trigger when the first responder does not acknowledge within a defined window. For high-priority events, look for multi-device delivery across radio, phone, and PA. The system should produce a complete acknowledgment and audit trail. Mass notification capability for site-wide emergencies should be built in, not bolted on.
4. Operator Experience and Workforce Impact
Does the system make the operator’s day easier or harder?
An alarm platform that overwhelms the people on shift becomes a liability, not an asset. Alarm fatigue is well documented as a contributing factor in major industrial incidents, and it correlates directly with after-hours call-ins, shift-handoff errors, and turnover among experienced operators and maintenance staff. A 24/7 alarm system has to support the workforce, not just the process.
Evaluate:
- Whether the platform supports alarm rationalization, prioritization, and shelving in line with EEMUA Publication 191 benchmarks. Steady-state target: one alarm per 10 minutes per operator. Maximum manageable rate: 12 per hour (Chemical Engineering, Alarm Management By the Numbers, chemengonline.com).
- How the system handles shift handoffs, including whether outstanding alarms, in-progress investigations, and escalation context carry across.
- The training time required for an operator or maintenance technician to use the system effectively.
- Whether the system reduces, rather than adds to, after-hours call-ins for senior staff.
A platform that drives down alarm noise, supports cleaner handoffs, and keeps experienced operators on the job for longer pays back across safety, retention, and operational stability at the same time.
5. Scalability Across Sites
Will plant 14 work the way plant 1 works?
A successful pilot is the easy part. The harder question is whether the architecture, configuration, and operating model that work at one site hold up across 5 or 50. Plants that roll out alarm software site by site, with each one rebuilding the rules from scratch, end up with 14 different alarm philosophies and no enterprise view.
Evaluate standardized templates for alarm rationalization and routing logic. Confirm multi-site visibility from a single pane of glass. Look at centralized versus federated administration models. Check the licensing structure, whether per device, per site, per user, or by enterprise agreement.
Plants that standardize on a single architecture from the first deployment forward get scale, governance, and a defensible audit story. The framework should reward the latter.
6. Vendor Longevity and Partner Ecosystem
Will the vendor still be here in 10 years?
Industrial alarm software is a 10-year to 20-year commitment. The original vendor selection happens once. Every upgrade, integration, audit, and incident response after that depends on the vendor still being there, still supporting the product, and still able to deliver expertise on a Sunday at 2 a.m.
Evaluate years in business and number of installed sites. Look for public reference customers in the buyer’s vertical. Assess the channel partner network, including system integrators and industrial distributors. Confirm OEM partnership status with the platforms the plant already runs. Examine the support model, including dedicated help desk, service level agreements, and escalation paths.
SeQent has been delivering industrial alarm infrastructure for over 30 years, is a 15-year Rockwell Automation Technology Partner, and is a Motorola Solutions integration partner. That continuity matters less as a sales line and more as an operational fact. A Plant Manager evaluating a system today should weight vendor longevity, partner depth, and proven mission-critical deployments alongside the technical specifications.
Putting the Framework to Work
A 24/7 alarm system is risk infrastructure. The Plant Managers who treat the selection as a controls upgrade get a controls upgrade. The Plant Managers who treat it as a risk decision, evaluated against reliability, integration, notification design, operator experience, scalability, and vendor longevity, get a system that holds up across every dimension their job actually covers.
The six-question framework above is the version of that decision a Plant Manager can bring to a steering committee. It aligns controls, IT, EHS, and finance counterparts around a single defensible structure. It also separates vendors that build 24/7 from vendors that demonstrate well in a 60-minute meeting and struggle the first time a real shift change tests the system.
If you are building the business case for an alarm infrastructure decision in 2026, the SeQent team can walk through this framework against your specific environment. Visit our Talk to an Expert page to book a 30-minute conversation about how SeQent Alarm Management fits into your existing SCADA, MES, and notification stack.
Sources
1. Siemens. The True Cost of Downtime 2024. https://assets.new.siemens.com/siemens/assets/api/uuid:1b43afb5-2d07-47f7-9eb7-893fe7d0bc59/TCOD-2024_original.pdf
2. Engineering Equipment and Materials Users’ Association. EEMUA Publication 191, Alarm Systems: A Guide to Design, Management and Procurement, 4th Edition (November 2024). https://www.eemua.org/products/publications/digital/eemua-publication-191
3. Alarm Management By the Numbers. Chemical Engineering. https://www.chemengonline.com/alarm-management-numbers/
