Eaton NRX Series Installation Instructions Manual

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Eaton NRX Series Installation Instructions Manual Manual pdf 1 page image

Effective December 2010Supersedes March 2010IL01301034EH02Instructional Leaflet IL01301034EInstallation instructions for Series NRXModbus communications adaptermodule (MCAM) WARNING(1) ONLY QUALIFIED ELECTRICAL PERSONNEL SHOULD BEPERMITTED TO WORK ON THE EQUIPMENT.(2) ALWAYS DE-ENERGIZE PRIMARY AND SECONDARY CIRCUITSIF A CIRCUIT BREAKER CANNOT BE REMOVED TO A SAFE WORKLOCATION.(3) DRAWOUT CIRCUIT BREAKERS SHOULD BE LEVERED (RACKED)OUT TO THE DISCONNECT POSITION.(4) ALL CIRCUIT BREAKERS SHOULD BE SWITCHED TO THE OFFPOSITION AND MECHANISM SPRINGS DISCHARGED. FAILURE TOFOLLOW THESE STEPS FOR ALL PROCEDURES DESCRIBED IN THISINSTRUCTION LEAFLET COULD RESULT IN DEATH, BODILY INJURY,OR PROPERTY DAMAGE. WARNINGTHE INSTRUCTIONS CONTAINED IN THIS IL AND ON PRODUCTLABELS HAVE TO BE FOLLOWED. OBSERVE THE FIVE SAFETY RULES:– DISCONNECTING– ENSURE THAT DEVICES CANNOT BEACCIDENTALLY RESTARTED– VERIFY ISOLATION FROM THE SUPPLY– EARTHING AND SHORT-CIRCUITING– COVERING OR PROVIDING BARRIERS TOADJACENT LIVE PARTSDISCONNECT THE EQUIPMENT FROM THE SUPPLY. USE ONLYAUTHORIZED SPARE PARTS IN THE REPAIR OF THE EQUIPMENT.THE SPECIFIED MAINTENANCE INTERVALS AS WELL AS THEINSTRUCTIONS FOR REPAIR AND EXCHANGE MUST BE STRICTLYADHERED TO PREVENT INJURY TO PERSONNEL AND DAMAGE TOTHE SWITCHBOARD.Section 1: General informationThe Series NRXE ModbusT communications adapter mod-ule (MCAM) (Figure 1) is an accessory that will operate asa communicating device in conjunction with a compatibleSeries NRX trip unit/breaker in a master communicationsnetwork (Figure 2).The Modbus adapter communicates to a master on aModbus network using the Modbus RTU (remote terminalunit) protocol. Information is exchanged through the MCAMbetween the Modbus master and the Digitrip unit usingassigned registers.Figure 1. Series NRX Modbus Communications AdapterModuleInstructions apply to:1600 NRX SUB-TITLE IMAGE (12/15/2010)Series NRX, Type NF FrameANSI, UL1066, UL489/IEC IZMX16, IZM91Series NRX, Type RF FrameIEC, IZMX404000 NRX RF DRAWOUT SUBTITLE IMAGE (12/15/2010)