User manual

3-10
Distributed I/O System DP/ASi Link
EWA 4NEB 710 6055-02b
Both the 2-core cable and the 5-core cable can be connected to the program-
mer connector.
A programmer connector may be placed anywhere on the PROFIBUS-DP
field bus. When doing so, pay attention to the following:
 Since a terminating resistor cannot be inserted, the programmer connector
must not be located at the ends of the bus line.
 You may place several programmer connectors on the bus. However, you
may connect only one programmer to one of the programmer connectors
on the bus, since the programmer represents a node having the station
number 0.
 For connecting a programmer, the following values apply to the length of
the spur line as a function of the baud rate on the PROFIBUS-DP bus:
Table 3-3 Length of the spur line of the programmer connection as a function of
the baud rate on the PROFIBUS-DP bus
Baud Rate Max. Length of Spur Line
< 500 kBd Max. 32  3 m
Max. 10  5 m
Max. 1  10 m
1500 kBd Max. 5  2 m
(3 m spacing)
or
PROFIBUS bus terminal
> 1500 kBd Max. 1  1.5 m
Rule for
connection of
programmer
connector
Configuration Options