SENTRY io® Controller
The SENTRY io Fire and Gas Detection Controller is a modular safety system controller designed to integrate with MSA and compatible flame and gas detectors. It provides advanced configuration, monitoring, and alarm logic for fire and gas detection systems in industrial, utility, or process environments.
Features
Modern touchscreen HMI with guided setup and intuitive menus
SmartStart guided configuration reduces commissioning time
Auto-recognition of compatible detectors via HART communication
Networkable with Device Level Ring (DLR) for simplified wiring and scalability
Configurable cause & effect logic and voting schemes
Available in multiple point configurations (e.g., 8 or 16 points)
Supports up to 56 relays and multiple analog outputs
Multi-lingual interface with easy troubleshooting workflow
Designed for flexible wall-mount installation
Supports Modbus TCP/IP, EtherNet/IP, and optional Modbus RTU communications
Specifications
Category | Specification |
Application | Industrial environments |
Digital Communications | Modbus TCP/IP, EtherNet/IP, optional Modbus RTU |
Hazardous Area Rating | Class I, Division 2 |
Housing | Fiberglass NEMA 3X / IP65 (protected against dust and water) |
Human Machine Interface | Touchscreen HMI with guided setup |
Input Power | 85–264 VAC, 50–60 Hz |
Input Types | Configurable discrete inputs (user-assignable), detector inputs via smart protocol |
Operating Temperature Range | –20 °C to +65 °C |