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2. Introduction
2.1 About this functional profile
This functional profile describes the following modules/units:
• CIM 200 Modbus RTU
• CIM250 Modbus GSM/GPRS
• CIM 500 Modbus Ethernet for Modbus TCP
This functional profile applies to the following Grundfos products:
• Grundfos Dedicated Controls 361
• Grundfos Dedicated Controls 362.
In the following, the two supported controllers are referred to as
CU 36X.
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 of Modbus devices. The reader
should also have some basic knowledge of the Modbus protocol
and technical specifications.
It is also assumed that an existing Modbus network with a
Modbus master is present.
2.3 Definitions and abbreviations
0b
Prefix for binary number
0x
Prefix for hexadecimal number
3G
Third-generation mobile telephony network
4G
Fourth-generation mobile telephony network
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 type with four twisted pairs of
wires
CAT5e
Enhanced CAT5 cable with better
performance
CAT6
Cable with very high performance
CIM
Communication Interface Module
CRC
Cyclic Redundancy Check. Adata error
detection method.
CSD
Circuit Switched Data. Connection is
established via a fixed connection (a physical
circuit or a reserved data channel).
CU 36X
Grundfos control unit for Dedicated Controls
(CU 361 and CU 362)
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
GPRS
General Packet Radio Service. Technology
for TCP/IP communication and internet
access via GSM.
Grundfos GO
A Grundfos handheld remote control device
for controlling Grundfos products via infrared
or radio. Based on smart phone technology.
GSM
Global System for Mobile communications
H
Head (pressure)
HTTP
Hyper Text Transfer Protocol. The protocol
commonly used to navigate the world wide
web.
IANA
Internet Assigned Numbers Authority
IP
Internet Protocol
LED
Light-Emitting Diode
MAC
Media Access Control. Unique network
address for a piece of hardware.
Modbus
A serial communications protocol commonly
used in industry and building automation
systems
Modbus RTU
Modbus is a fieldbus used worldwide. The
RTU version is used for wired networks (CIM
200) and for call-up connections over
telephone networks (CIM 250).
Modbus TCP
Modbus is a fieldbus used worldwide. The
TCP version is adapted for use as an
application protocol on TCP/IP using either
GPRS (CIM 250) or Ethernet (CIM 500) as
basis.
MP 204
Grundfos motor protector
PIN
Personal Identification Number. For SIM
cards.
Ping
Packet InterNet Groper. A software utility that
tests the connectivity between two TCP/IP
hosts.
PUK
Personal Unblocking Key. For SIM cards.
Q
Flow rate
R100
Grundfos handheld infrared remote control
SELV
Separated or Safety Extra-Low Voltage
SELV-E
Separated or Safety Extra-Low Voltage with
earth connection
SIM
Subscriber Identity Module. SIM card.
SMA
SubMiniature version A. Coaxial radio signal
cable connection standard.
SMTP
Simple Mail Transfer Protocol
SNTP
Simple Network Time Protocol. Used for
clocks synchronization 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, bits/s
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.
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Содержание CIM 200
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