3
Original installation and operating instructions.
CONTENTS
1.
Symbol used in this document
3
2.
Introduction
3
2.1
About this functional profile
3
2.2
Assumptions
3
2.3
Definitions and abbreviations
3
2.4
System diagram
4
2.5
Specifications
5
3.
BACnet interface
6
3.1
BACnet bus topology
6
3.1.1 Line termination resistors
6
3.1.2 Bias resistors
6
3.2
CIM 300 BACnet module
7
3.3
Connecting to the BACnet network
7
3.4
Setting the BACnet transmission speed
7
3.4.1 DIP switch settings
7
3.5
Selecting the Device Object Instance Number
7
3.5.1 Default Instance Number
8
3.5.2 Custom Instance Number
8
3.6
Selecting the Device Object Name
8
3.7
Selecting the BACnet MAC address
8
3.8
Termination resistor
8
3.9
Cable length
8
4.
LEDs
9
4.1
LED1, BACnet MS/TP communication
9
4.2
LED2, internal communication
9
5.
Supported services
10
5.1
Data sharing services
10
5.2
Device management services
10
6.
Object overview
11
6.1
Device Object
11
6.2
Binary inputs
12
6.3
Binary outputs
13
6.4
Multistate inputs
13
6.5
Multistate outputs
14
6.6
Analog inputs
15
6.7
Analog outputs
16
6.8
Analog values
16
7.
Detailed descriptions
17
7.1
Control modes
17
7.2
Setpoint
18
7.2.1 Setpoint examples
18
7.3
BACnet communication watchdog
18
7.4
Fault monitoring and resetting
18
7.5
Fault simulation example
18
7.6
Control via BACnet
19
7.7
Product simulation
19
8.
Commissioning
20
8.1
Step-by-step guide to hardware setup (CIU 300)
20
9.
Fault finding
21
9.1
LED status
21
9.2
BACnet faults
21
10.
BACnet telegrams
22
10.1 BACnet MS/TP telegram overview
22
10.2 Telegram types
22
11.
Grundfos alarm and warning codes
23
12.
BACnet MAC address
25
1. Symbol used in this document
2. Introduction
2.1 About this functional profile
This functional profile describes the CIU 300 (BACnet
Communication Interface Unit 300) for the following Grundfos
booster systems:
• Grundfos Hydro MPC (CU 351)
• Grundfos Control MPC (CU 351)
• Grundfos Hydro Multi-E.
The object lists for Hydro MPC and Control MPC are identical, so in
the following, only Hydro MPC is mentioned. If not specifically
mentioned, Hydro MPC and Hydro Multi-E are referred to as
"booster".
The data in this document are subject to change without prior
notice. Grundfos cannot be held responsible for any problems
caused directly or indirectly by using information in this functional
profile.
2.2 Assumptions
This functional profile assumes that the reader is familiar with
commissioning and programming BACnet devices. The reader
should have some basic knowledge of the BACnet protocol and
technical specifications. It is also assumed that an existing BACnet
MS/TP network is present.
2.3 Definitions and abbreviations
Note
Notes or instructions that make the job easier and
ensure safe operation.
CIM
Communication Interface Module,
a Grundfos add-on module
CIU
Communication Interface Unit,
a Grundfos box for CIM modules
CRC
Cyclic Redundancy Check, a data error
detection method
CU 351
Grundfos Control Unit 351
Device
A node on the BACnet MS/TP network
GENIbus
Proprietary Grundfos fieldbus standard
based on RS-485
Inter-network
A set of two or more BACnet networks
interconnected by routers
LED
Light Emitting Diode
MAC
Media Access Control, a sublayer of
the data communication protocol
MPC
Multi-Pump Controller
MS/TP
Master-Slave / Token-Passing, a data
protocol used for BACnet RS-485
Router
A device that connects two or more
networks at the network layer
Transmission speed Bits transferred per second
Trunk cable
Main RS-485 cable on a BACnet MS/TP
network
