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Page 27 of 102
4.5.2 Installation requirements
The customer's communication technology must allow the DLU access to the following URLs
/ addresses / ports and clarify whether the local network supports DHCP or not in order to
ensure smooth commissioning and use:
-
-
-
Port 443
-
Sending ping on
Access to NTP time synchronization must be allowed,
address: de.pool.ntp.org or at.pool.ntp.org at Port 123
If DHCP is supported, the IP address is automatically assigned to the data logger. DHCP is
the standard setting of the data logger. You can find out from your administrator whether
your local network supports the DHCP service.
Note:
The data logger DLU E should not be operated in parallel with Ethernet and WIFI, this can
lead to communication problems.
4.5.3 Set up Network Access
To set up the LAN interface, the DLU must be connected to the local network and started
using a LAN cable.
The DLU knows the following 3 LAN operation modes:
1. no LAN
2. LAN with dynamic IP- address assignment (DHCP-network)
3. LAN with static IP address assignment
Note:
Your network administrator can tell you whether you are using a DHCP network in your
company.
At delivery, the DLU is preset for dynamic IP address assignment (DHCP). This operating
mode is very easy for commissioning. For further operation it is recommended to switch the
DLU to a static IP address. For commissioning please see chapter 4.5.2. You can get the
static IP address from your network administrator.
Switching from dynamic to a static IP address and changing the IP address can be done in
the following ways:
1. Set via the display of the DLU
2. Setting via micro USB, COM1, COM2 or Telnet with remote maintenance commands
from chapter 7.2
3. Setting via WEB (see chapter 9.6)