Grundfos CIM 500

7.2 Modbus TCP technical specifications
Number of IO socket connections 8
Maximum number of IO data 255 bytes per telegram
Function codes supported
03 Read holding registers
04 Read input registers
06 W
rite single registers
16 Write multiple registers
Diagnostics No
DHCP Supported
Watchdog
Communication watchdog with fixed 5 seconds time-out.
It can be enabled via the watchdog register in the device
profile.
Certificate No
To optimise data security when using Modbus TCP
via a cellular router
, Grundfos strongly recommends
that the cellular data connection is based on a private
APN with static IP and with no access to public
Internet.
7.3 BACnet IP technical specifications
Number of IO socket connections 1
Communication User Datagram Protocol, UDP
Maximum number of IO data 1500 bytes
Objects supported
• Analog input
•
Analog output
• Analog value
• Binary input
• Binary output
• Multistate input
• Multistate output
• Device
DHCP Supported
Foreign device Supported
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