
48
Manual – Controllers DHE/DHF/DHR21B (standard) and DHE/DHF/DHR41B (advanced)
4
Installing the DHR21B/41B option
Assembly and Installation Notes
Changing the IP
address parame-
ters after success-
ful initial startup
If the DHR21B/41B was started using a valid IP address, you can also access the IP
address parameters via Ethernet interface.
You can change the IP address parameters via Ethernet by one of the following
methods:
•
Using the MOVITOOLS
®
MotionStudio software
•
Using the EtherNet/IP TCP/IP interface object (see section "EtherNet/IP CIP object
directory")
•
Using the SEW Address Editor
You can also change IP address parameters via the other interface of the DHR21B/41B
option.
If the IP address parameters are assigned to the DHR21B/41B option by a DHCP
server, you can only change the parameters by adjusting the settings of the DHCP
server.
The methods listed above for changing the IP address parameters only come into effect
once the supply voltage (DC 24 V) has been switched off and back on again.
Deactivating/
activating the
DHCP
The type of IP address allocation is determined by the setting of the attribute
Configuration Control
of the EtherNet/IP TCP/IP interface object. The value is displayed
or modified in the
P785 DHCP/Startup Configuration
parameter.
•
"Stored IP parameters" setting
The stored IP address parameters are used.
•
"DHCP" setting
The IP address parameters are requested by a DHCP server.
If you use the DHCP server from Rockwell Automation, you can activate or
deactivate the DHCP by clicking a button. In this case, an EtherNet/IP telegram is
sent to the TCP/IP interface object of the station that is being addressed.
Resetting IP
address
parameters
If you do not know the IP address parameters and there is no serial interface or DBG60B
keypad for reading the IP address, you can reset the IP address parameters to the
default values using the DIP switch "2
0
".
This action resets the DHR21B/41B option to the following default values:
•
IP address: 192.168.10.4
•
Subnet mask: 255.255.255.0
•
Default gateway: 192.168.10.4
•
DHCP / Startup Configuration: Stored IP parameters (DHCP is disabled)
Proceed as follows to reset the IP address parameters to the default values:
•
Switch off the 24 V DC supply voltage and the line voltage.
•
On the DHR21B/41B option, set DIP switch "2
0
" to "1" (= right = ON).
•
Switch the DC 24 V supply voltage and the line voltage back on.
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