Det-Tronics Eagle Quantum Premier EQP Safety System Controller
Overview
The Det-Tronics Eagle Quantum Premier (EQP) controller is the central processing unit of the Det-Tronics EQP fire and gas safety system. It monitors and supervises flame and gas detectors, reports and annunciates alarms, drives local and remote notification, and initiates extinguishing agent release and deluge operation, all through a single fault-tolerant digital network. The controller is approved as an annunciation and releasing device for fire alarm systems under NFPA 72, meets FM and CSA guidelines as part of an approved gas detection system, and is offered in SIL 2 capable versions certified to IEC 61508. According to Det-Tronics, EQP safety systems have been operating in harsh process environments for more than four decades.
Seven Star LLC supplies the Det-Tronics Eagle Quantum Premier controller, its I/O modules and compatible field devices to oil and gas, petrochemical, power and infrastructure projects in Oman and the GCC. As a trusted supplier with engineering support in Muscat, we help system integrators and end users scope controller hardware, network devices and spares for new installations, expansions and life-cycle upgrades.
Operating Principle
All field devices in the system share a Local Operating Network / Signaling Line Circuit (LON/SLC), a two-wire digital loop that starts and ends at the controller. The Det-Tronics Eagle Quantum Premier controller continuously polls each device on the loop, collects detector status, gas readings and input states, and executes the logic required to drive outputs. Because the loop is closed, a single open circuit or short circuit does not interrupt communication: the fault isolation circuitry in the nodes either side of the problem isolates the damaged section, the controller annunciates the fault, and data continues to flow the other way around the loop until repairs are made. Up to 246 intelligent field devices can be connected to one controller.
The Det-Tronics Eagle Quantum Premier controller runs two kinds of logic. Static logic handles the built-in annunciation circuits, faceplate indication and the alarm, trouble and supervisory relays as required by NFPA 72. User-programmable logic, written in Det-Tronics Safety System Software (S3), lets engineers implement cross-zone monitoring, voting, counting zones, time delays, abort sequences and other cause-and-effect functions needed for a fire suppression or gas release response. Configuration, logic and device parameters for the whole system are held in the Det-Tronics Eagle Quantum Premier controller and downloaded from a single S3 project file.
Engineering Design of the Det-Tronics Eagle Quantum Premier
The Det-Tronics Eagle Quantum Premier controller is available for DIN rail or panel mounting and is powered from 24 Vdc nominal, with an operating range of 18 to 30 Vdc and a typical draw of 9 W. A four-line, 20-character alphanumeric display and LED status indicators on the front panel show alarm and fault conditions with the associated device tag, and membrane keys allow operators to acknowledge, silence and reset. The unit provides eight unsupervised relay outputs rated 1 A at 30 Vdc with a response time below 0.1 second, a dedicated trouble relay, and eight unsupervised digital inputs. The controller is certified for Class I Division 2 and Zone 2 locations (Ex nC IIC T4 Gc under ATEX and IECEx), so it can be installed in field cabinets as well as safe-area equipment rooms.
Two Det-Tronics Eagle Quantum Premier controllers can be configured as a redundant pair working in master and hot standby mode. The standby unit receives the same inputs and updates as the master but does not control outputs until a switchover, at which point a bumpless transfer occurs. Redundancy adds automatic configuration of the standby, forced and automatic switchover, automatic synchronisation and no downtime when a controller is replaced. For plant integration the Det-Tronics Eagle Quantum Premier controller offers an RS-232 configuration port and an RS-485 Modbus RTU port as standard, plus an optional Ethernet board with two 10/100 Ethernet ports for Modbus TCP/IP, an optional serial board with up to three extra serial ports, or a dual media ControlNet interface.
Key Features
The Det-Tronics Eagle Quantum Premier controller brings these capabilities to a fire and gas project:
- It is approved as an annunciation and releasing device per NFPA 72 and meets FM/CSA guidelines within an approved gas system.
- SIL 2 capable models are certified to IEC 61508 for safety instrumented fire and gas functions.
- A fault-tolerant LON/SLC loop supports up to 246 addressable field devices and keeps communicating through a single wiring fault.
- Hot standby redundancy with bumpless transfer increases system availability.
- S3 programmable logic supports cross-zone, voting and timed functions for agent release and deluge control.
- Modbus RTU, Modbus TCP/IP and ControlNet links share alarm and status data with DCS, PLC and SCADA systems.
- Extensive built-in diagnostics, event logging and a real-time clock support troubleshooting and incident review.
- A model with US Coast Guard type approval under 46 CFR 161.002 is available for marine installations.
Industrial Applications
Det-Tronics lists offshore platforms, refineries, fuel storage, pipeline compressor stations, LNG terminals, chemical and petrochemical plants, turbine enclosures, switchgear rooms and substations, aircraft hangars, automotive plants, munitions and semiconductor facilities among the typical uses of the system. In Oman a Det-Tronics Eagle Quantum Premier system fits gas compression and processing stations in the interior, export terminals and tank farms on the coast, LNG and petrochemical complexes in Sur, Sohar and Duqm, gas turbine power plants, and hangars at Muscat and Salalah where flame detection and foam or deluge release must be coordinated by one approved controller.
The Det-Tronics Eagle Quantum Premier network accepts flame detectors such as the X3301, X5200 and X2200, PointWatch Eclipse gas detectors, and I/O modules including the EDIO and DCIO discrete modules, the AIM 8-channel analogue input module for third-party 4–20 mA transmitters, the RM relay module and the IPM intelligent protection module. Seven Star LLC can supply Det-Tronics Eagle Quantum Premier controllers, modules and detectors as a coordinated package from Muscat, and our engineers support hardware scoping, spare part planning and integration questions for owners across Oman and the GCC.
Technical Specifications
Values for the Det-Tronics Eagle Quantum Premier controller are taken from specification data sheet 90-1148; full system details are in instruction manual 95-8533.
| Parameter | Specification |
|---|---|
| Model | Eagle Quantum Premier (EQP) Controller EQ3XXX |
| Function | Fire and gas detection, annunciation and releasing controller |
| Field devices | Up to 246 on a fault-tolerant LON/SLC loop |
| Input voltage | 24 Vdc nominal, 18 to 30 Vdc |
| Input power | 9 W nominal, 12 W maximum |
| Standard ports | Port 1 RS-232 (configuration); Port 2 RS-485 Modbus RTU |
| Optional interfaces | Ethernet board (2 × 10/100 Ethernet + 1 serial) or serial board (up to 3 serial); dual media ControlNet |
| Relay outputs | 8 unsupervised SPDT relays, 1 A at 30 Vdc; trouble relay normally energized |
| Relay response | Less than 0.1 s after alarm command |
| Digital inputs | 8 unsupervised channels, N.O. or N.C. selectable |
| Display | Four-line, 20-character alphanumeric display with LED indicators |
| Redundancy | Master / hot standby pair with bumpless transfer |
| Hazardous area | Class I Div. 2 Groups A, B, C and D (T4); Ex nC IIC T4 Gc (ATEX, IECEx) |
| Ambient temperature | –40°C to +80°C (relay configuration dependent); storage –40°C to +85°C |
| Humidity | 5 to 95% RH, non-condensing |
| Mounting | DIN rail or panel mount |
| Approvals | FM, CSA, ATEX, IECEx, CE; SIL 2 capable (IEC 61508) |
| Shipping weight | Approximately 2.3 kg |
Related Fire and Gas Systems
For other fire and gas control equipment in our catalogue, see the Oldham MX 62 gas detection controller, the Honeywell 5704FS fire status panel and the Honeywell System 57 engineering card.
Compatible field devices include the Det-Tronics X3301 flame detector and Det-Tronics PIRECL PointWatch Eclipse gas detector.
How to Order
To request a formal quotation for the Det-Tronics Eagle Quantum Premier controller or system modules, check current availability and lead time or download the technical datasheet, contact the instrumentation division at Seven Star LLC. Send us your device count, redundancy requirement, communication interface and I/O list, and our engineers in Muscat will prepare a hardware proposal and delivery plan for your project in Oman or the GCC.
- Datasheet Det-Tronics Eagle Quantum Premier (EQP) Controller Specification Data Sheet (90-1148) Download
Det-Tronics product families listed here
Each Det-Tronics detector family uses a different sensing principle, and the model number tells you which:- X3301: multispectrum infrared flame detector
- X5200: combined UV and IR flame detector
- X2200: UV flame detector
- PointWatch Eclipse PIRECL: infrared point detector for combustible gas
- CGS: catalytic combustible gas sensor
- Eagle Quantum Premier (EQP): safety system controller
Where Det-Tronics equipment is used
These detectors are designed for hazardous locations in harsh industrial settings. The manufacturer describes its fire and gas systems and its flame and gas detectors as SIL 2 capable and certified by third-party approval bodies. Typical sites in the GCC are oil and gas production facilities, gas plants, tank farms and turbine enclosures, where a detector has to be matched to the fuel and to the layout of the protected area.Ordering Det-Tronics detectors: what we need
Det-Tronics detectors are ordered by a matrix part number that fixes the housing material, thread size, output type and approval. Send the complete part number from the detector label, not only X3301 or PIRECL. If you are replacing a unit in an existing system, tell us whether it is wired by relay, 4-20 mA or on the EQP network, because the output board differs. Add the serial number and a nameplate photo, and list the accessories you need, such as swivel mounts, air shields or a calibration kit for gas detectors.Browse Det-Tronics products by category: Fire & Gas Detector.

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