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Communication with the DMP
Ethernet interface
12
IP addresses are 32‐bit long binary strings (4 bytes), which for greater
clarity are specified as four decimal numbers separated by periods (octets)
(e.g. 192.156.168.10).
The IP address can be assigned automatically (default setting) in the
DMP41 (DHCP) or entered via the device keyboard.
Standard addresses
Choose Start -> Run from the Windows start menu and enter "CMD", you
can then use "Ping IP" in the DOS window to test whether the connected
device is communicating.
If the DMP41is to be operated in a cross‐network segment and the device
accessed via Ethernet, a Gateway address must be set.
The Gateway address is necessary so that access from outside, e.g.
Internet, is possible via a router in the network.
However, an existing firewall or managed switch in the network must be set
for this remote access so that access is permitted (see Chapter 3.1.1).
If necessary, contact the responsible network administrator.
Notes on operation in an Ethernet network
In order to avoid network problems, you should check the following points
before connection to an Ethernet network:
S Are the connected device addresses unique, i.e. no identical IP
addresses?
S Does the network have sufficient reserves for the transmission of the
planned data or could the network load become too great?
S Are there nodes that could load the network through broadcasts, i.e. data
sent to all nodes?
In order to avoid disturbance of measurement operation by other network
nodes, you can also operate the devices in a separate network
disconnected from your company network.
When operating several devices in an Ethernet network, we recommend the
use of industrial Ethernet switches.
In order to achieve the best possible separation between the network with
the measuring instruments and the remaining company network, you can
A03474_04_E00_00 HBM: public
DMP41
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