English (GB)
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2. Introduction
2.1 About this functional profile
This functional profile describes the following modules/units:
• CIM 200 Modbus RTU
• CIM 500 Modbus ethernet for Modbus TCP.
They are used for Modbus communication with the Smart Digital
Dosing pump, type DDA, referred to as ’DDA pump’ in the
following.
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 the
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
ARP Address Resolution Protocol.
Translates IP addresses to 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 Ethernet cable compatible with CAT5 and
CAT5e and with very high performance.
CIM Communication Interface Module,
CRC Cyclic Redundancy Check. A data error
detection method.
DDA Digital Dosing Advanced.
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
Remote
A Grundfos application designed to control
Grundfos products via infrared or radio
communication. Available for iOS and
Android devices.
HMI Human Machine Interface. Display and
buttons on the DDA pump.
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
CIM 260 3G/4G cellular or CIM 500 ethernet
as basis.
Ping
Packet InterNet Groper. A software utility
that tests connectivity between two TCP/IP
hosts.
PLC Programmable Logic Controller.
SELV Separated or Safety Extra-Low Voltage.
SELV-E Separated or Safety Extra-Low Voltage with
earth connection.
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.
