Table Of Contents; Symbol Used In This Document; Introduction; About This Functional Profile - Grundfos CIU 300 Functional Profile And User Manual

Original installation and operating instructions.
CONTENTS
1. Symbol used in this document
2. Introduction
2.1 About this functional profile
2.2 Assumptions
2.3 Definitions and abbreviations
2.4 System diagram
2.5 Specifications
3. BACnet interface
3.1 BACnet bus topology
3.1.1 Line termination resistors
3.1.2 Bias resistors
3.2 CIM 300 BACnet module
3.3 Connecting to the BACnet network
3.4 Setting the BACnet transmission speed
3.4.1 DIP switch settings
3.5 Selecting the Device Object Instance Number
3.5.1 Default Instance Number
3.5.2 Custom Instance Number
3.6 Selecting the Device Object Name
3.7 Selecting the BACnet MAC address
3.8 Termination resistor
3.9 Cable length
4. LEDs
4.1 LED1, BACnet MS/TP communication
4.2 LED2, internal communication
5. Supported services
5.1 Data sharing services
5.2 Device management services
6. Object overview
6.1 Device Object
6.2 Binary inputs
6.3 Binary outputs
6.4 Multistate inputs
6.5 Multistate outputs
6.6 Analog inputs
6.7 Analog outputs
6.8 Analog values
7. Detailed descriptions
7.1 Control modes
7.2 Setpoint
7.2.1 Setpoint examples
7.3 BACnet communication watchdog
7.4 Fault monitoring and resetting
7.5 Fault simulation example
7.6 Control via BACnet
7.7 Product simulation
8. Commissioning
8.1 Step-by-step guide to hardware setup (CIU 300)
9. Fault finding
9.1 LED status
9.2 BACnet faults
10. BACnet telegrams
10.1 BACnet MS/TP telegram overview
10.2 Telegram types
11. Grundfos alarm and warning codes
12. BACnet MAC address

1. Symbol used in this document

Notes or instructions that make the job easier and
Note
ensure safe operation.
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2. Introduction

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2.1 About this functional profile

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This functional profile describes the CIU 300 (BACnet
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Communication Interface Unit 300) for the following Grundfos
booster systems:
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• Grundfos Hydro MPC (CU 351)
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• Grundfos Control MPC (CU 351)
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• Grundfos Hydro Multi-E.
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The object lists for Hydro MPC and Control MPC are identical, so in
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the following, only Hydro MPC is mentioned. If not specifically
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mentioned, Hydro MPC and Hydro Multi-E are referred to as
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"booster".
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The data in this document are subject to change without prior
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notice. Grundfos cannot be held responsible for any problems
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caused directly or indirectly by using information in this functional
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profile.
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2.2 Assumptions

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This functional profile assumes that the reader is familiar with
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commissioning and programming BACnet devices. The reader
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should have some basic knowledge of the BACnet protocol and
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technical specifications. It is also assumed that an existing BACnet
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MS/TP network is present.
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2.3 Definitions and abbreviations

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CIM
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CIU
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CRC
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CU 351
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Device
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GENIbus
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Inter-network
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LED
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MAC
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MPC
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MS/TP
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Router
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Transmission speed
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Trunk cable
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Communication Interface Module,
a Grundfos add-on module
Communication Interface Unit,
a Grundfos box for CIM modules
Cyclic Redundancy Check, a data error
detection method
Grundfos Control Unit 351
A node on the BACnet MS/TP network
Proprietary Grundfos fieldbus standard
based on RS-485
A set of two or more BACnet networks
interconnected by routers
Light Emitting Diode
Media Access Control, a sublayer of
the data communication protocol
Multi-Pump Controller
Master-Slave / Token-Passing, a data
protocol used for BACnet RS-485
A device that connects two or more
networks at the network layer
Bits transferred per second
Main RS-485 cable on a BACnet MS/TP
network
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