Flowserve LRR1-40 TDS Control Unit - Manual (Page 14)

14
Wiring
Bus cable
Note that screened multi-core twisted-pair control cable is required as bus line, e.g.
UNITRONIC
®
BUS CAN 2x 2 x...mm² or RE - 2YCYV-fl 2x 2 x...mm².
The baud rate (data transfer rate) dictates the cable length between the bus nodes, and
the conductor size dictates the total power consumption of the sensor.
The baud rate is set via code switches (S8 to S10). Default factory setting of control
unit LRR 1-40: baud rate 250 kbit /s (cable length 125 m).
For longer cable lengths reduce baud rate accordingly. Make sure that all bus nodes
feature the same settings.
UNITRONIC® is a registered trademark of LAPP Kabelwerke GmbH, Stuttgart.
S 8 S 9 S 10 Baud rate Cable length
N umber of pairs and
conductor size [mm ²]
OFF ON OFF 250 125 m
2 x2 x0.34
Factory setting
ON ON OFF 125 kBits/s 250 m 2x2 x0.5
OFF OFF ON 100 kBits/s 335 m 2 x2 x0.75
ON OFF ON 50 kBits/s 500 m
available on demand (depends
on bus configuration)
OFF ON ON 20 kBits/s 1000 m
ON ON ON 10 kBits/s 1000 m
D