Waterous AQUIS ULTRAFLOW Installation And Operation Manual page 53

Safety Introduction
Connecting to a Node Controller
Feature Feature
1 Control box
2 CANbus extension
3 Node controller
4 Split CANbus Cable
5 Node controller—last in the system
6 Terminating resistor
Product Overview
Description Description
This connects to various components in the system and contains the programmable logic controllers (PLC).
This connects the node controllers to one another and the control box.
This connects to the concentrate control valve, flowmeters, and additional discharge line assemblies (DLA).
This passes CANbus bus commands to the next node controller in the chain.
This is the last node controller in the system, which would require a terminating resister.
This terminates the CANbus signal and is installed on the last node controller in the system.
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Installation
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Operation