1.3 About this functional profile
This functional profile describes the following modules and units:
• CIM/CIU 300 BACnet MS/TP
• CIM/CIU 500 Ethernet for BACnet IP.
For the following Grundfos products:
• Grundfos Level Control System LC 231
• Grundfos Level Control System LC 241
• Grundfos Level Control System LC 232
• Grundfos Level Control System LC 242
Note that the supported controllers are referred to as LC 2X1 and
LC 2X2 in this document.
Grundfos cannot be held responsible for any problems caused
directly or indirectly by using information in this functional profile.
1.4 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 or BACnet IP network is present.
1.5 Definitions and abbreviations
APDU Application Protocol Data Unit.
ARP
Address Resolution Protocol. Translates IP addresses
into MAC addresses.
Auto-MDIX
Ensures that both crossover cable types and non-
crossover cable types can be used.
CAT5 Ethernet cable with four twisted pairs of wires.
CAT5e Enhanced CAT5 cable with better performance.
CAT6
High performance Ethernet cable compatible with CAT5
and CAT5e.
CIM
Communication Interface Module. A Grundfos add-on
module.
CIU
Communication Interface Unit. Grundfos box for CIM
modules.
CRC Cyclic Redundancy Check. A data error detection method.
Device A node on the BACnet MS/TP network.
DHCP
Dynamic Host Configuration Protocol. Used to configure
network devices so that they can communicate on an IP
network.
DNS
Domain Name System. Used to resolve host names to IP
addresses.
GENIbus Proprietary Grundfos fieldbus standard.
GENIpro Proprietary Grundfos fieldbus protocol.
Grundfos GO
A Grundfos application designed to control Grundfos
products via infrared or radio communication. Available
for iOS and Android devices.
HTTP
Hyper Text Transfer Protocol. The protocol commonly
used to navigate the world wide web.
IANA Internet Assigned Numbers Authority.
Inter-network
A set of two or more BACnet networks interconnected by
routers.
IP Internet Protocol.
LED Light-Emitting Diode.
MAC Unique network address for a piece of hardware.
MS/TP
Master-Slave / Token-Passing. A data protocol used for
BACnet RS-485.
Ping
Packet Internet Groper. A software utility that tests the
connectivity between two TCP/IP hosts.
Router
A device that connects two or more networks at the
network layer.
SELV Separated or Safety Extra-Low Voltage.
SMTP Simple Mail Transfer Protocol.
SNTP
Simple Network Time Protocol. Used for clock
synchronisation between computer systems.
TCP
Transmission Control Protocol. Protocol for Internet
communication and Industrial Ethernet communication.
TCP/IP
Transmission Control Protocol/Internet Protocol. Protocol
for Internet communication.
Transmission
speed
Bits transferred per second, bit/s.
Trunk cable Main RS-485 cable on a BACnet MS/TP network.
URL
Uniform Resource Locator. The IP address used to
connect to a server.
UTC
Coordinated Universal Time. The primary time standard
by which the world regulates clocks and time.
UTF-8 Unicode Transformation Format. Character encoding.
VPN
Virtual Private Network. A network using the Internet to
connect nodes. These systems use encryption and other
security mechanisms to ensure that only authorised users
can access the network and that the data cannot be
intercepted.
5
English (GB)
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