Grundfos CRE Series User Manual

9.34.5.2 Modbus RTU settings
1
4
4
4
5
4
6
2
3
4
TM083380
Example of Modbus network with termination
Pos. Description
1 Master
2 Passive tap
3 Line termination
4 Slave
5 Daisy chain
6
BLT (BLT = Built-in line termination (dip
switch))
Remember to set the AYB BUS
termination dip switch to ON in case the
pump is the first or the last pump on a
daisy chain of pumps. The termination
resistor has a value of 150 ohm.
OFF
ON
OFF
ON
TM083381
Modbus RTU address
Use this function to allocate a unique number to the
pump. This makes it possible to distinguish between
pumps in connection with Modbus RTU
communication.
Select a number between 1 and 247.
Baud rate
Use this function to select the baud rate at which
Modbus RTU is to communicate.
Select between the following baud rates:
• 9600 bps
• 19200 bps
• 38400 bps
• 115200 bps.
Parity
Use this function to set the parity of the Modbus RTU
channel.
Select between these values:
• None
• Odd
• Even.
Stop bits
Use this function to set the number of stop bits on the
Modbus RTU channel.
Select between these values:
• 1 bit
• 2 bits.
9.34.6 Setup of Ethernet
The product is equipped with an Ethernet
port with a GENI GDP protocol that can be
accessed from Grundfos iSOLUTION
Cloud and other cloud based solutions.
Grundfos will support the product with
security updates for at least 2 years from
production of the unit.
9.34.6.1 IP Settings
Use this function to set the Ethernet communication.
9.34.6.2
DHCP
Use this function to select if DHCP should be
activated or deactivated.
If activated, the E-pump will receive network
configuration from the DHCP server on the network.
If deactivated, IP address, Subnet mask, Gateway
and Primary DNS must be configured manually.
9.34.6.3
IP address
Use this function to manually set the IP address. IP
address format:
Example: 192.168.0.10
9.34.6.4
Subnet mask
Use this function to manually set the subnet mask.
Subnet mask format:
Example: 255.255.255.0
9.34.6.5
Gateway
Use this function to manually set the gateway
address. Gateway address format:
73
English (GB)

Grundfos CRE Series Specifications

General

Motor Type	Asynchronous
Enclosure Class	IP55
Insulation Class	F
Series	CRE
Protection Class	IP55
Material	Stainless Steel
Applications	Water Supply, Pressure Boosting, Irrigation
Pumped liquid	Clean liquids
Approvals	CE
Voltage	380-415V
Connection Size	DN 32 to DN 100
Efficiency	IE3 Premium Efficiency
Power Supply	3-phase
Liquid Temperature Range	-10°C to +120°C
Temperature Range	-10°C to +120°C