Device Configuration Devicenet / Canopen; Baud Rate Conversion; Sorting (Switch S4.1); Bus Lengths As A Function Of The Baud Rate - Leuze electronic DDLS 200 Technical Description

9.3

Device configuration DeviceNet / CANopen

9.3.1 Baud rate conversion

Through the use of an optical transmission system, the bus is divided into two segments. Different
baud rates can be used in the physically separated segments. The DDLS 200s then function as baud
rate converters. During baud rate conversion, it must be ensured that the bandwidth of the segment
with the lower baud rate is adequate for processing the incoming data.

9.3.2 Sorting (switch S4.1)

With the aid of switch S4.1, sorting of the internal memory can be activated and deactivated. If sorting
is deactivated (switch S4.1 = OFF, default), CAN frames are handled according to the FIFO principle
(First-In-First-Out).
If sorting is active (switch S4.1 = ON), CAN frames are sorted according to their priority. The message
with the highest priority in memory is the next one to be put onto the connected network for arbitration.

9.3.3 Bus lengths as a function of the baud rate

Switch position
S3
0 (default)
1
2
3
4
5
6
7
Note!
The mechanical expansion of the bus system can be increased through the use of the
DDLS 200.
Leuze electronic
max. cable length
Baud rate
per bus segment
125kbit
250kbit
500kbit
10kbit
20kbit
50kbit
800kbit
1000kbit
DDLS 200
DeviceNet / CANopen
500m CANopen / DeviceNet
250m CANopen / DeviceNet
100m CANopen / DeviceNet
5000m
2500m
1000m
50m
30m
Interface
CANopen
CANopen
CANopen
CANopen
CANopen
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