Specifications

Application in combination with TCP/IP CP143 H1 / TCP/IP manual
5-60 Rev. 00/07
DNS
Domain Name System: makes a relation between the symbolic names and IP-Adress.
The communication is made operator friendly by this. A DNS-Server comes into use over
which the communication abaut a domain is carried out.
The DNS-Server manages the symbollic names and with the help of the "Host-Name-Table"
it makes a relation between the symbolic names an IP-Adress during the communication.
HOST
The IP-Adress data of the DNS-Server takes place here.
Attemps and alternative Adresses
The communication is controlled over the DNS-Server with the set-up of a connection. If the
DNS-Server is not available then the altenative IP-Adress will be used after the attempt if it
is marked. If the alternative adress is not marked then an error message will be given.
Job type
Here you specify the type of job. The following job types are available:
• Send transmission of unstructured data.
• Receive reception of unstructured data.
• Fetch Aktiv read requested data from another controller.
• Fetch Passiv used for the passive side of the fetch.
• Write Aktiv write the requested data into another controller.
• Write Passiv used on the passive side for a write.