Devicenet- Design; Connection; Devicenet Specification; Length Of The Bus Line - Burkert 8681 Guide Rapide

10. DEVICENET- DESIGN

10.1. Connection

left connection:
1 x M16 x 1,5 cable gland with Multi-pole connection (M12 plug
according to IEC 61076-2-101, 5-pole) on a cable of 80 cm length
right connection:
1 x M16 x 1,5 cable gland for external initiator
10.2. DeviceNet Specification
EDS file 8681.EDS
Icons 8681.ICO
Baud rate Factory setting: 125 kBit/s
Address Factory setting: 63
Process data 2 static input assemblies (Input: from the control
head to the DeviceNet Master/Scanner)
1 static output assembly
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Type 8681
DeviceNet-Design
Inputs 3 discrete feedback signals of the position
measuring system (pos. S1 - S3),
1 discrete feedback signal of the external
initiators (S4),
1 analog position signal in mm,
Supply via DeviceNet string (11 to 25 V DC),
Switch level high signal ≥ 5 V,
Switch level low signal ≤ 1,5 V
Outputs 3 solenoid valves
Power consumption
from the bus: max. 5 W, (3 valves with each 0,6 W)
10.3. Length of the Bus line
The maximum total line length (sum of trunk lines and drop lines) of a
network depends on the baud rate.
The maximum total line length (according to DeviceNet specifi-
cation) is for:
Baud rate Thick Cable
125
250
500
The maximum drop line length is for:
Baud rate Drop Line
125
250
500
Thin Cable
500 m 100 m
250 m 100 m
100 m 100 m
Sum (in Network)
6 m 156 m
6 m 78 m
6 m 39 m