SMA DATA MANAGER M Operating Manual page 12

2 Safety
High costs due to inappropriate Internet tariff
Depending on use, the data volume of the product transferred via the Internet may vary in size.
The data volume depends, for example, on the number of devices in the system and the
frequency of device updates. High costs for the Internet connection can be the result.
• SMA Solar Technology AG recommends using an Internet flat rate with a monthly data
volume of at least 1 GB for systems with up to five SMA products.
• SMA Solar Technology AG recommends using an Internet flat rate with a monthly data
volume of at least 3 GB for systems with up to 50 SMA products.
• SMA Solar Technology AG recommends a data transfer rate of at least 10 Mbit/s for flat-
rate surfing.
Electrical installations (for North America)
All installations must conform with the laws, regulations, codes and standards applicable in the
jurisdiction of installation (e.g. National Electrical Code
®
Electrical Code
• Before connecting the product to the utility grid, contact your local grid operator. The
electrical connection of the product must be carried out by qualified persons only.
• Ensure that the cables or conductors used for electrical connection are not damaged.
DHCP Server is recommended.
The DCHP server automatically assigns the appropriate network settings to your nodes in the
local network. A manual network configuration is therefore not necessary. In a local network,
the Internet router is usually the DHCP server. If the IP addresses in the local network are to be
assigned dynamically, DHCP must be activated in the Internet router (see the Internet router
manual). In order to receive the same IP address by the internet router after a restart, set the
MAC address binding.
In networks where no DHCP server is active, proper IP addresses must be assigned from the
free address pool of the network segment to all network participants to be integrated during
commissioning.
IP addresses of Modbus devices
In systems with Modbus devices, static IP addresses must be assigned to all Modbus devices.
Suitable IP addresses can be assigned to the Modbus devices from the free address supply of
the network segment either manually or dynamically via DHCP.
If the IP addresses are to be assigned dynamically, DHCP must be activated in the router (see
the router manual). Make sure that the Modbus devices do not contain variable IP addresses
but always the same IP addresses (static DHCP).
This also applies to Data Managers that are used as subordinate devices.
If IP addresses of Modbus devices have been changed, all devices must be restarted.
12 EDMM-10-BE-en-27
CSA-C22.1.).
NOTICE
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ANSI/NFPA 70 or Canadian
SMA Solar Technology AG
Operating manual