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Grundfos CIU 500 User Manual

Grundfos CIU 500
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Modbus for Grundfos boosters
CIM/CIU 200 Modbus RTU
CIM/CIU 260 3G/4G cellular
CIM/CIU 500 Ethernet for Modbus TCP
Functional profile and user manual
GRUNDFOS INSTRUCTIONS

Table of Contents

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Grundfos CIU 500 Specifications

General IconGeneral
BrandGrundfos
ModelCIU 500
CategoryController
LanguageEnglish

Summary

General Information

Hazard Statements

Crucial safety warnings for operational hazards.

CIM 200 Modbus RTU Setup

Setting Modbus Transmission Speed

How to configure the data transmission speed for Modbus.

Setting Stop Bits and Parity

How to configure stop bits and parity for Modbus.

Modbus Address Selection

Procedure for selecting the unique Modbus slave address.

CIM 500 Modbus TCP Setup

Setting IP Addresses

Procedure for configuring IP addresses for the CIM 500.

Establishing Webserver Connection

Steps to connect to the CIM 500 webserver.

Modbus Function Code Overview

Modbus Register Addresses

Control Register Block

Registers used for controlling booster system operations.

Status Register Block

System Data Register Block

Detailed Descriptions of Functionality

Control Modes

Explanation of different operational control modes.

Setpoint in Closed-Loop Control

How to set setpoints in closed-loop operation.

Setpoint in Open-Loop Control

How to set setpoints in open-loop operation.

Booster System Alarms and Warnings

Codes and descriptions for system-wide alarms.

Alarms from Individual Pumps

Codes and descriptions for pump-specific alarms.

Modbus RTU Commissioning Guides

CIM 200 Hardware Setup

Step-by-step guide for CIM 200 hardware installation.

CIU 200 Hardware Setup

Step-by-step guide for CIU 200 hardware installation.

CIM 260 Call-up Connection Setup

Setup guide for CIM 260 cellular call-up connections.

CIU 260 Call-up Connection Setup

Setup guide for CIU 260 cellular call-up connections.

CIM 260 Data Connection Setup

Setup guide for CIM 260 cellular data connections.

CIU 260 Data Connection Setup

Setup guide for CIU 260 cellular data connections.

CIM 500 Modbus TCP Setup

Setup guide for CIM 500 Modbus TCP communication.

CIU 500 Modbus TCP Setup

Setup guide for CIU 500 Modbus TCP communication.

Modbus RTU Telegram Examples and Diagnostics

Setting the Setpoint

Example of how to set a new setpoint value.

Fault Finding the Product

CIM/CIU 200 Faults

Troubleshooting guide for CIM/CIU 200 issues.

CIM/CIU 260 Faults

Troubleshooting guide for CIM/CIU 260 issues.

CIM/CIU 500 Faults

Troubleshooting guide for CIM/CIU 500 issues.

Grundfos Alarm and Warning Codes

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