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Alarm Control Unit for Toxic and Explosive Gases S-Lx 03671
03671
New product
The S•Lx is an advanced alarm control unit designed to continuously monitor potentially harmful gas concentrations and enable immediate protective actions before hazards become critical.
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Description
Built for commercial and industrial environments such as laboratories, car parks and industrial facilities, it is ideal for complex installations requiring a large number of addressable detectors.
When combined with D•CAN, D•420, D•TEX 420, DAX•420 or DAT•420 detectors, the S•Lx easily scales up to 240 measurement channels, delivering reliable supervision and control.
Key Benefits
- Backlit touchscreen for configuration, live readings, event log and clear alarm/anomaly warnings
- Integrated RGB LED strip for highly visible building-wide alarm indication
- Cost-efficient CAN bus line topology for up to 240 addressable sensors
- Supports up to 16 traditional 4–20mA loop detectors in star topology
- Up to four alarm thresholds per detector (instantaneous, averaged and time-qualified)
- Drives safety devices via 6 to 18 programmable relays, Modbus TCP and optional analog outputs for ventilation control
Full Technical Specifications
| Parameter | Value |
|---|---|
| Attributes | |
| Lifecycle status | Available |
| Number of measurement channels | 240 |
| Number of alarm relays | 18 |
| Connectivity | Modbus TCP |
| Protection class | IP55 |
| Power supply scope | 230 Vac ~ 50Hz |
| Minimum operating temperature | -10°C |
| Maximum operating temperature | +40°C |
| POWER SUPPLY | |
| Mains voltage & frequency | 230V AC ~ 50Hz |
| Input current | Max 1.5A @ 230V AC |
| Available power per unit (detectors, batteries and internal parts) | 151W |
| Batteries | 2x 12V VRLA 7Ah (optional). Higher capacities available via separate battery pack (S•BP) |
| ENCLOSURE | |
| Material | Powder coated steel enclosure |
| External dimensions | 407 x 310 x 152 mm |
| Weight | 8.6kg (without batteries) |
| Ingress protection (IP) | IP55 (dust and water jets protected) |
| Wall mounting with separate backplate | YES |
| Hinged door for easy maintenance | YES |
| CONNECTION | |
| Cable entries | 5x 3.2–6.3mm OD / 16x 4–7.5mm OD / 5x 5.5–10.5mm OD / 12x 8–12.5mm OD |
| Wire terminals (except CAN and Ethernet) | 0.75mm² to 2.5mm² wires |
| INPUTS | |
| Digital detectors (CAN Bus) | Up to 126 per CAN interface, maximum 240 per system |
| Digital detector interfaces (CAN Bus) | 1 x (base) or 3x (optional) |
| Maximum current output per interface (CAN Bus) | 1.6A (@ 40°C) to 1.8A (@ 20°C) |
| Current loop detectors | 0 (base), 8x or 16x (optional), 2-wire or 3-wire 4..20mA |
| Maximum current output (current loop detectors) | 80mA (@ 40°C) to 100mA (@ 20°C) |
| Cabling length | Up to 1000m for each CAN Bus; up to 300m for each current loop |
| Cable type | CAN: 2x2x0.75mm² shielded or Ethernet S/FTP 0.5mm²; loops: min 0.75mm² shielded |
| External alarm input | 1x input, ON/OFF 24V DC, configurable behavior |
| OUTPUTS | |
| Alarms | Programmable changeover relays: 6x (base), 12x or 18x (optional), 3 poles NC-NO-C, max 230V / 3A |
| Fault | 1x changeover relay, failsafe mode, 3 poles NC-NO-C, max 230V / 3A |
| Analog outputs | 0 (base), 1x or 2x (optional), 4..20mA / 0..20mA / 0..10V |
| Siren output | 1x, active output 24V DC – 200mA max |
| Digital communication | 1x Ethernet RJ45 with Modbus TCP, 1x internal connectivity board slot for co-engineered solutions |
| INTERFACE | |
| Display | 7” capacitive TFT touchscreen with bright colors |
| LED indicators | 5x: Power, Battery, Alarm, Fault, Maintenance |
| Mute/Reset button | Available on the front panel |
| Service port | 1x jack 3.5mm with serial-to-USB PC connector |
| LED Status Ring | 1x |
| MAIN FUNCTIONS | |
| Configurable alarm levels | Up to 4 per detector; types: instantaneous, average, qualifying timer |
| I/O mapping | Configurable logic between inputs and outputs; easy zone creation using configuration software |
| Maintenance alert | Configurable interval with clear reminders on the display |
| Events & statuses display | Internal event journal with filters; clear main screen with event information |
| Measurements display | Clear measurements visualization |
| Datalogging | Yes (optional), measurements and events using high-capacity SD card (CSV files) |
| Customizable labels | Detector locations, control unit name, external alarm names, relay names |
| Reliability |
|
| OPERATING CONDITIONS | |
| Temperature | -10°C to 40°C |
| Humidity | 10% to 90% RH (non-condensing) |
| Pressure | 90 to 110kPa |
| Maximum altitude | 2000m |
| Pollution degree | 2 |
| Overvoltage category | III |
| CERTIFICATIONS | |
| Electromagnetic compatibility (EMC) | EN 50270 (type 2) |
| Low-voltage safety | EN 61010-1 |
| Workplace atmospheres | EN-62990-1 |
| Marking | CE, RoHs, WEEE, IP55 |
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