Hach sc200 - Introducing the Modcon75 Controller; Overview; The Modcon75 System

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Chapter 1,
Overview
Introducing the ModCon75 Controller
The ModCon75 Controller:
• is a programmable logic controller with an integral operating panel
• offers Modbus communications and a real-time clock
• operating panels contain a graphic LCD screen and a keypad:
• The LCD screen displays:
• operator instructions
• alarms
• real-time variable system information.
Figure 1-1. The ModCon75 System