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The Tyco EXI800 Interface Module, used with a galvanic isolator, provides a path for an MX Panel to transparently communicate to slave devices (800Ex Detectors, IF800Ex Interface Module or CP840Ex Addressable Break Glass Callpoint) connected to the Intrinsically Safe loop.

The EXI800 interface reduces the standard MX loop supply voltage and signalling currents to levels that are acceptable for hazardous areas.

Tyco EXI800 can detect a short circuit on the left-loop, the right-loop, or the IS loop and will isolate the offending loop connections from the other loop connections.

The IS loop output of the EXI800 interfaces with the KFD0-CS-Ex1.54 Galvanic Isolator, supplying loop voltage and signalling currents to the Intrinsically Safe loop.

Key features include:

• Allows flexible installation and system design
• Suitable for use in Zone 0, 1, 2, 20, 21 and 22
• ATEX/IECEX certified intrinsically safe system Ex II1GD
• Unrivaled range of I.S. field devices for MX digital addressable applications
• Detector circuit and sounder circuit monitoring maintained throughout the system
• Fully intrinsically safe MX digital addressable system 800 with MINERVA® MX Fire Controllers
• Complies to EN54-7 for Smoke Detectors, EN54-5 for Heat Detectors, EN54-11 for Call Points and EN54-18 for I/O Devices