Address Setting for Spanner Modules
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Mode: DHCP (400)
Switch position: 400
Address setting is carried out by a DHCP server in the network after the start-up of the device.
DHCP supports three mechanisms for IP address allocation:
In "automatic allocation", the DHCP-server assigns a permanent IP address to a client.
In "dynamic allocation", DHCP assigns an IP address to a client for a limited period of time. After
this time, or until the client explicitly relinquishes the address, the address can be re-assigned.
In "manual allocation", a client's IP address is assigned by the network administrator. In this case,
DHCP is only used to transmit the assigned address to the client.
PROFINET
Please assure, that in PROFINET-applications, the address assigned via a BootP-server corresponds
to the address, which is assigned in the configuration tool.
Mode: PGM (500)
Switch position: 500
The PGM-mode enables access of the Turck DTMs to the device’s network settings.
Mode: PGM-DHCP (600)
Switch position:
600
The device sends DHCP-requests until a IP address is assigned (DHCP-server, PROFINET-controller).
The assigned IP address is stored to the device and the DHCP-client is stopped.
Even after a restart of the device, the device sends no further DHCP-requests.
PROFINET
This mode assures a PROFINET-compliant operation of the device.
NOTE
The IP address, as well as the default subnet mask assigned to the station by the DHCP-
server, are stored permanently in the station’s EEPROM.
If the station is switched from DHCP-mode to rotary- or PGM-mode, the settings carried
out in DHCP-mode (IP address, subnet mask, etc) will be read from the device’s EEPROM.
NOTE
In the PGM-mode, all network settings (IP address, subnet mask, etc.) are send to the
device’s internal EEPROM and stored permanently.
NOTE
If a DHCP-server is used within the network, problems may occur during IP-assignment.
In this case, both, the DHCP-server as well as the PROFINET-controller (via DCP), try an IP-
address-assignment.