Contents About this Document Scope ..............................3 Revision History ............................ 3 Certificates ............................3 The Ex Products System Design Overview Ex Protection Strategy .......................... 5 3.1.1 Marking ................................5 3.1.2 Specific Conditions of Use ..........................6 Connection to Central Equipment ......................6 Electrical Connections ..........................
The following models are covered by this manual: Item Number Item Name Product Description Exigo Ex PA Access Panels 1023221611 EAPFX-1-V2 Exigo Ex Access Panel, 1 button, Flowire 1023221616 EAPFX-6-V2 Exigo Ex Access Panel, 6 buttons, Flowire Turbine Ex Intercom Stations...
The Ex Products are approved according to IECEx and ATEX regulations, and bear the marking: II 2(2)G Ex eb ib mb (ib) IIC T4 Gb (See section 3.1.1 Marking for detailed information). The following models and audio accessories are approved for use in hazardous areas: Access Panels EAPFX-1-V2 EAPFX-6-V2 Intercoms TFIX-1-V2 TFIX-2-V2...
System Design Overview Ex Protection Strategy Conductors of the intrinsically safe audio accessories and GPI push buttons shall not be carried in the same cable or cable gland as conductors of the non-intrinsically safe power supply, relay and external speaker. 3.1.1 Marking the following marking:...
The Ex Products are connected to the central equipment rack using shielded 2-wire twisted pair cable. A Zenitel proprietary protocol, Flowire, is used to extend the Ethernet connection and support power distribution on the 2-wire cabling infrastructure. To support the Flowire interface, the central equipment rack must be equipped with a Flowire Converter (FCDC3).
Electrical Connections All electrical connections are made on the main board inside the housing. See section 4.2 Mounting for instructions on opening and closing the housing Doc. no. A100K12133...
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Ex i terminals: Internal Mic + Internal Mic – Signal GND Audio Accessory Speaker + Audio Accessory Speaker - Audio Accessory Microphone Mic + Audio Accessory Microphone Mic - Audio Accessory Push-To-Talk (PTT) Audio Accessory Hook Audio Accessory GND PTT/Hook Internal Loudspeaker + Internal Loudspeaker - GPI1 External Push Button...
3.3.1 Connection of Audio Accessories Connection of Handheld Microphone EMMAX-1H Connection of Headset AK5850HS and Plugbox TAX-2B Doc. no. A100K12133...
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Connection of Handset TAX-3 Ex Products Installation & Maintenance Procedures...
Connection of Flowire in a Single System 3.3.2 Earthing The ground sheet inside the main housing must be earthed according to IEC 60079- 3.3.3 Cable Insertion Only use cables complying with EN/IEC 60079-14. Only Ex certified cable entries shall be used. The relevant mounting directives for the cable entries used shall be observed.
GPI circuits by at least 0.5 mm through solid insulation. The following Zenitel accessories comply with the input and output values stipulated above, and are approved for use with the Ex Products: Ex audio accessories...
3.4.3 Intrinsically Safe Connections for External Push Buttons GPI1 GPI2 Terminal Maximum output voltage, Uo 4.6V 4.6V Maximum output current, Io 21.2mA 21.2mA Maximum output power, Po 24.3mW 24.3mW Maximum external capacitance, Co 50uF 50uF Maximum external inductance, Lo 100mH 100mH The parameters above are a combination of all outputs connected together that can occur if separation distances in external accessories are below the limits in EN 60079-11:2012.
Inspect wire isolation and jackets for cracks and signs of ageing. • Repair / Overhaul / Modifications Only original Zenitel parts shall be used for carrying out repairs that concern explosion protection. In the event of damage to the enclosures, replacement of these components is mandatory. Contact Zenitel for guidance.
ZENITEL PROPRIETARY. This document and its supplementing elements contain Zenitel or third-party information which is proprietary and confidential. Any disclosure, copying, distribution or use is prohibited, if not otherwise explicitly agreed in writing with Zenitel. Any authorized reproduction, in part or in whole, must include this legend: Zenitel –...
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