Franklin Fueling Systems T5 Series Fuel Management System Programming Guide - Manual (Page 45)

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9. Under Setup/4-20mA Input Modules (DTU) / locate Remote Module 2 and enter the number of DTUs installed.
The maximum number of channels per a 4-20mA Input Module is 8.
10. If more than 8 DTUs are used, program the next Remote Module. Follow steps 8 and 9 to complete the
Remote Data Transfer Units
11. For the 4-20mA Input Module programming, one channel will correspond to the dispenser that houses the ISD
Pressure Sensor. This channel is setup as follows;
12. Enter a Name for the ISD Pressure Sensor
13. Select Service Type Vapor Recovery Monitoring
Diagnostic Page
The diagnostic page can give information about the functionality of the installed DTUs. The page can be viewed from
Home / System / Diagnostic / DTU Status
The Remote DTU column will list each DTU in the system. The Software Version column will identify the current
software version is each of the installed Remote DTUs. Verify that each DTU has a software version listed. A software
version listed as ?.?.? is an indication of a problem with the DTU.
Software Version
In rare cases, network traffic from other stations or companies may cause communication conflicts. In these cases,
Network ID numbers will need to be changed. To help identify the possibility of network interference, locate Network
Packages section of the DTU Status Diagnostic page. If a number other than 0 is listed under From Other Network, a
conflict may exist. In this case, the Network ID number should be changed. Call Tech Support for more information.