Hardware Installation
Hardware Manual • Doc.-No.: C.2930.21 / Rev. 1.5
DN-DP
Page 12 of 21
2.2.2 Setting PROFIBUS-DP Address via Coding Switches
Fig. 4: Coding switches
The PROFIBUS-DP address can be adjusted with the coding switches. When switching on the module,
the coding switches are evaluated via the firmware. Changes of the settings have to be made before
switching on the module because changes during operation have no effect.
The DN-DP is operated as slave station with a configurable decimal address range from 1 to 126 or
hexadecimal from 01
h
to 7E
h
Configuring an address lower than 1, the address 1 is valid. Configuring
an address higher than 126 (7E
h
), the address 126 is valid.
The firmware switches in the firmware update mode, if the address 255 (FF
h
) is set.
The coding switch HIGH configures the more significant bits, the coding switch LOW configures the
low significant bits (refer to figure above).
The CAN identifier of the DN-DP can be configured via the PROFIBUS-DP configuration tool (e.g.
SIMATIC Manager). Please, refer to the ‘DN-DP Software Manual’ for further information.
