TM 5-3895-374-24-2MODEL A-701 DIGITAL READOUTWIRING CONNECTIONSRefer to accompanying circuit schematics for typicalwiring arrangements. Note that the A-701 DigitalReadout contains a 24V DC @ 50mA DC internal powersupply capable of operating most Dwyer transmitters.See figure C. With external power supplies or as part ofan EMS (energy management system), wire according todrawings D and E. All three circuits require 120V AC linecurrent to terminals 13 and 15. Solder all wires to edgeconnector and use heat shrink tubing to insulate eachterminal. Attach connector to edge of circuit board.2-WIRE CONNECTION USING A-701 24 VDC @50mA. OUTPUT INTERNAL POWER SUPPLYFIGURE C2-WIRE CONNECTION USING EXTERNALPOWER SUPPLY.FIGURE DA-701 INDICATOR IN A SERIES LOOP WITHAN ENERGY MANAGEMENT SYSTEM (EMS).FIGURE EMAINTENANCEFollowing final installation of the A-701 Digital Readoutno routine maintenance is required. Periodic checks ofcalibrationare recommended using proceduresdescribed above. Units are not field serviceable andshould be returned to factory if repair is necessary.FR NO. 01-440697-0Litho in USA 7/91(page 3-714)
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