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F V, Site Preparation and Inst ition Instructions TLS-350 UST Monitoring System • Groundwater Sensor Interface Module.One mod- 6. Communications Interface Functions. ule accepts inputs from up to five monitoring well Four slots are available in the Communications com- groundwater sensors. Maximum eight modules per partment(see Figure 3,"TLS-350 Printer and Commu- system. nications Interface Area") to provide an interface be- • Type A Interface Module. One module accepts tween the TLS-350 CPU,and physically or functionally inputs from up to eight Type A sensors. Maximum separate devices such as computers, printers, and fac- eight Modules per system. simile machines.Any combination of up to three of the • Type B Interface Module.One module accepts up to available modules may be installed;however,when an six Type B sensors,including dispenser pan and con- integral TLS-350 printer is used,one slot will be occupied tainment sump sensors.Maximum eight Modules per by the printer interface module. system. 5. Input/Output Functions. CAUTION: COMMUNICATIONS INTERFACE Input and Output Modules provide for solid-state or 16 MODULE EXPANSION SLOTS 3 AND 4 CANNOT switch inputs from external devices and for relay outputs BE USED AT THE SAME TIME. EQUIPMENT to overfill alarms and external audible and visual warn- MALFUNCTION WILL RESULT IF BOTH ARE ing devices. Slots in the Power Area of the monitor are USED. providedforup to eightInput and OutputModules in any The external interface modules are: combination(see Figure 2,"TIS-350 Interface Module . RS-232 Interface Module. Provides a 25-pin fe- Area")• male D-connector for data transmission—direct via The modules are: a null modem cable or through an external modem • Relay Output Module.One board incorporates four and over phone lines—to a computer or point-of-sale Form C output relays fused for 2 Amps. Maximum terminal. eight Modules per system. • RS-232 Interface Module with Auffilliary Port. • UO Combination Module.One mouule incorporates Provides a additional 25-pin D-connector for data two Form C output relays fused for 2 Amps and two transmission to a computer,point-of-sale terminal or switch inputs.Maximum eight Modules per system. printing device. • Pump Sense Module. One module accepts input • Internal Modem Module.A 300/1200-baud inter- from up to four pump controls.Maximum eight Mod- nal modem with twin snap-in RJ-11C or Modular ules per system. jacks for direct data transmission over phone lines. TWO-LINE, 24-CHARACTER- PER-LINE LIQUID CRYSTAL DISPLAY IF - I�ROOT EEDE _a ALARM 0 8 f WARNING �� y POV*R OPTIONAL = PRINTER Ak Am -�- _ ALPHANUMERIC OPERATING BUTTONS STATUS BUTTONS INDICATORS Figure 1. TLS-350 Front Panel Features. 2