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Figure 9 – emergency generator wiring – Franklin Fueling Systems TS 550 evo Fuel Management System Installation User Manual

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Non-Standard Power Requirements

The console’s power must be maintained on a power transfer supply for emergency backup generator applications. In 

addition, the TS-550 evo series’ line power must be supplied through a UPS (Uninterruptible Power Supply). See Figure 9 

for emergency generator applications.

Programming & Testing Discrete Inputs

Program the tank gauge and test the discrete inputs for proper operation after installation. See the TS-550 evo

Programming Guide for reports and programming issues.

Power Supply

Module

RUN

ERR

5V

24V

POWER

L1

N/L2

RELAY OUTPUTS

NC1

C1

NO1

NC2

C2

NO2

LOW VOLTAGE INPUTS

IN1

GND

IN2

GND

PS = Discrete Inputs (Low Voltage Contacts Required)

IN1

GND

IN2

GND

Run Relay (C)

Run Relay (N.O.)

Run Relay (C)

Run Relay (N.O.)

- Generator # 1

- Generator # 2

Figure 9 – Emergency Generator Wiring