Dräger REGARD 3900
The Regard 3900 is a standalone, autonomous control system for up to 16 gas detectors. It is fully configurable and monitors the concentration of toxic gases, oxygen and combustible gases and vapours.
Product features
- Flexible design
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The Regard 3900 can be equipped with up to four 4 - 20 mA input cards. Each input card can be connected to up to four gas detectors, either 2 or 3 wire, giving a maximum of 16 gas detectors per each Regard 3900. Each input module is equipped with three alarm relays.
These relays are designated as common alarms for the corresponding input card for "Fault", "1st alarm" and "2nd alarm". The 1st and 2nd alarm relays are fully configurable and can be set up as rising or falling and latching or non-latching.
In addition, the Regard 3900 can be equipped with up to two relay modules. Each relay module has eight additional relays.
In accordance with the ATEX directive, the first relay is always configured as a fault relay and cannot be changed. The other seven relays can be configured as individual, common or voting alarms. They can either operate as normally open or normally closed relays.
The alarm relays are acknowledged by operating a button at the front of the control unit. - Robust enclosure
- The robust IP65 enclosure enables the installation of the control system at virtually any location within a safe area.
- Quick and easy configuration
- The Config 3900 configuration software enables quick and easy configuration via a laptop or a PC. With new installations, the configuration can initially be carried out online and then loaded during commissioning. During maintenance the system configuration can be downloaded from the device to a PC for checking. The appropriate connection cable and the required software are available as accessories.
Product Information
Installation, operation and maintenance guide.
System Components
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Related Products
Tried and tested thousands of times and infinitely flexible. The modular Regard control system can be individually adapted to any monitoring task. Suitable for SIL 2 systems, the Regard system is also ATEX approved, and meets EMC directive standards.
Whether they are mounted to a wall or integrated in the switch cabinet - the flexible small control units Regard 2400 and Regard 2410 reliably monitor the concentration of toxic gases and oxygen as well as combustible gases and vapours.
Robust, reliable and very cost effective. The compact Regard-1 is a complete standalone system for the control of a single gas detector; suitable for monitors of toxic gases, oxygen, combustible gases and vapours.
Downloads
A RS232 CAN interface cable (Part no. 42 08 785) is required to connect the Dräger REGARD 3900 to the configuration PC.
Literature
List of detectable gases and vapours.
For over 70 years, Dräger has been one of the technology leaders in gas detection.
When there’s danger in the air ... this can quickly pose a high risk to humans, the environment, and all types of property and systems. Recognize the threat before it is too late.
Safety Instrumented Systems are used to reduce the risk for the protection of people, plants, and environment.
Explosion hazards mostly arise from flammable gases and vapours. Instead of avoiding their ignition by explosion protection measures it may be preferable to detect them before they become ignitable.
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Draeger Safety Pacific Pty Ltd
Axxess Corporate Park
Unit 99, 45 Gilby Road
VIC 3149 Mount Waverley
+1800 67 77 87
+1800 64 74 84
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