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8I No7ARDOUS LOCATION , NON HAZARDOUS LOCATION OPTIONAL I I - SEALED JUNCTION BOX SHIELDED CABLE (SEE CABLE NOTED) APPROVED SEAL EARTH GROUND 950 PROBE, U.L. LISTED INSTRINSICALLY SAFE FOR USE IN HAZARDOUS LOCATIONS: CLASS I, DIV. 1, GROUP C b D CLASS 11, DIV. 1, GROUP E. F. b G CLASS U. DIV. 1 _L CONTACT CLOSURES GROUNDING NOTES 1. The resistance between the ground screw and the system's earth ground must be less than 1 ohm. 2. The transducer frame shall be grounded to earth ground thru the equipment on which it is mounted, or directly. 3. For contact cable lengths up to 1000 feet, un- shieled twisted pair cables are recommended. Cable capacitance shall be less than 60 pF per foot. Cable inductance shall be less than 0.2 NH per foot. 4. For transducer and/or cable lengths exceeding 1000 feet and up to 2500 feet, twin axial Belden cable #9182 (U.L. 2606) must be used. --------------. WHITE INTRINSICALLY x SAFE CONTACT ♦r C 1 s 3 x CONNECTOR I _ _ DI SPLAY TERMINALS TO ADDITIONAL®- ;BLACK II-_ CONTACT RS232 CLOSURES B CHANNEL OPTIONAL RELAY AS REQUIRED CONTACT OUTPUT WIRE IDENTICAL 120 VAC MAX. xrw r - -- Cor - AS ABOVE _ _.. ® ♦ INTRINSICALLY N.C. —_ ca"-" A CHANNEL 3 SAFE CONTACT RELAY 114 Nc -- "-- ® - TERMINALS NO - - TO ADDITIONAL oor CONTACT RELAY M3 Nc - CLOSURES AS REQUIRED Ca,. WIRE IDENTICAL�____® • RELAY #2 NC - - AS ABOVE 3 No - f— ® RELAY 01 Cay - NC -- No --- - ora - 120 VAC r 0.4 AMP j` ♦ 90 HZ LO - ® r ,' CABLE NOTES 1. Cable sets that run together must be installed per ISA standard #RP126. 2. For transducer lengths up to 1000 feet, shielded cable (#8441 Belden or equivalent) or heavier gage can be used, cable capacitance shall be less than 60 pF per foot. Cable inductance shall be less than 0 2 NH per foot. INTRINSICALLY SAFE TERMINAL NOTES 1. Probe terminals may only be connected to U.L. listed 950 model probe. 2. Contact terminals may only be connected to passive contacts. 3. Wiring shield cover must be installed securely in place prior to applying operating power. No YAUXILIARY OUTPUTS 24 VDC 50 mA MAX. INTRINSICALLY x SAFE CONTACT C 1 s 3 x CONNECTOR I _ _ DI SPLAY TERMINALS TO ADDITIONAL®- _..Y.CONNECTOR.----� TO DOOR OF ENCLOSURE CONTACT RS232 CLOSURES B CHANNEL OPTIONAL RELAY AS REQUIRED CONTACT OUTPUT WIRE IDENTICAL 120 VAC MAX. AS ABOVE RS -232 A CHANNEL ,' CABLE NOTES 1. Cable sets that run together must be installed per ISA standard #RP126. 2. For transducer lengths up to 1000 feet, shielded cable (#8441 Belden or equivalent) or heavier gage can be used, cable capacitance shall be less than 60 pF per foot. Cable inductance shall be less than 0 2 NH per foot. INTRINSICALLY SAFE TERMINAL NOTES 1. Probe terminals may only be connected to U.L. listed 950 model probe. 2. Contact terminals may only be connected to passive contacts. 3. Wiring shield cover must be installed securely in place prior to applying operating power. No YAUXILIARY OUTPUTS 24 VDC 50 mA MAX. 00 ° PRINTER I_°°•_•__ C 1 s 3 x CONNECTOR I _ _ DI SPLAY _..Y.CONNECTOR.----� TO DOOR OF ENCLOSURE RS232 B CHANNEL OPTIONAL RELAY CONNECTOR CONTACT OUTPUT 120 VAC MAX. 7.5 AMP MAX. RS -232 A CHANNEL CONNECTOR Di RONAN X76 ETM TANK MONITOR •1 3 •3 4 •3 •x ♦) ♦I 1 2 •3 •4 •S •6 •1 •x CONTACTS PROBES INTRINSICALLY SAFE OUTPUTS RE @I RONAN X76 ETM INSTALLATION DIAGRAM DRAWING NO. REV. X76D359 0