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Site Preparatio id Installation InstructionsT TLS-350 UST Monitoring System I. EIA RS-232 INTERFACES. 1. Measure the distance from the bottom ofthe tank to the EIA RS-232 Interface Module provides a 25-pin female top of the probe riser pipe(a). D-connector for data transmission-direct via a null mo- 2. Measure the distance from the bottom of the probe riser dem cable or through an external modem and over phone pipe to the top of the probe riser pipe(b). lines—to a computer, point-of-sale terminal or printing 3. Subtract (b) from (a) to determine the correct tank device.The RS-232 Interface Module with Auxilliary Port diameter(c). provides an additional 25-pin female D-connector. 1. Cable Runs. 4. Make sure the probe length(Dimension"A",Figure 22 An RS-232 Interface and RS-232 Interface with "Capacitance Probe Dimensions"is correct for the tank diameter. Auxilliary Port can be used for direct local attachment of terminals if the cable run is no more than 60 feet.In practice, runs longer than 60 feet have performed satisfactorily.However,since the RS-232 specification PROBE RISER PIPE restricts operation to up to 50 feet,direct-connect cable TANK ' runs greater than 50 feet are not warranted for proper operation. b 16 CAUTION:RS-232 CABLE RUNS LONGERTHAN 50 FEET COULD RESULT IN DATA ERRORS,OR a COMPONENT DAMAGE OR BOTH. a-b=c 2. Peripheral Equipment Requirements. Any peripheral equipment connected to an RS-232 serial port must meet the following criteria: a. Peripheral equipment must be UL listed. Figure 21. Tank Diameter Measurement. b. The equipment must have an EIA standard RS-232C or RS-232D communications protocol. �- A LENGTH OF PROBE c. The equipment must NOT be installed over or in a (Tank i o> hazardous location. 17 4' (1.22 m) J. SITEFAX FAXIMODEM AND INTERNAL 5' (1.52 m) 5'4" (1.62 m) MODEM INTERFACES. 6' (1 83 m) The SiteFax Fax/Modem and the 300/1200-baud Internal 2.0 m Interface Modem rove snap-in idirect d 7' (2.13 m) P P-n jacks for data 7'6" (2.28 m) transmission over phone lines. 8' (2.44 m) 1. For connection to telephone equipment subject to local 2.5 m regulations 9' (3 0 m) 3.0 m 2. Maximum short circuit current: 0 amps 10' (3.05 m) 3. Maximum open circuit voltage: 0 volts 11' (3.20 m) (3.35 m) L 3.5 m SECTION 5. CAPACITANCE PROBE INSTALLATION Figure 22. Capacitance Probe Dimensions. WARNING: TO PROTECT YOURSELF AND B. RISER PIPE CAP PREPARATION. OTHERS FROM BEING STRUCK BY VE- HICLES DURING WORK, BLOCK OFF YOUR The riser pipe cap must have a 3/8" tapped hole for WORK AREA DURING INSTALLATION AND passage of probe wires.Cap kits with pre-drilled holes for SERVICE. a standard 4" riser pipe are available from Veeder-Root. Order Kit Number 312020-952,one for each probe. WARNING:TO AVOID ELECTRICAL SHOCK WHICH COULD KILL YOU, BE SURE AC If a kit has not been ordered, perform the following: POWER TO THE TLS-350 MONITOR IS OFF WARNING: DO NOT PERFORM DRILLING ih DURING INSTALLATION. AND TAPPING PROCEDURES IN A HAZARD- A.TANK DIAMETER MEASUREMENT. OUS AREA. DRILLING AND TAPPING CAN Perform the following procedure to ensure that probes are CAUSE SPARKS AND IGNITE VOLATILE installed in the proper tanks(see Figure 21,"Tank Diam- FUMES AND LIQUIDS FOUND IN A CLASS I, eter Measurement"). Inaccurate readings will result if GROUP DHAZARDOUS LOCATION.FAILURE probes are not the correct length for the given tank TO COMPLY COULD RESULT IN DEATH,SE- diameter. RIOUS PERSONAL INJURY, PROPERTY LOSS AND EQUIPMENT DAMAGE. 21