Flowserve UEX Limitorque - Manual (Page 52)

Limitorque UEX FCD LMENIM1205-03-AQ – 05/15
52
Figure 16.3 – Typical Profibus System with a DCS Host (Daisy Chain Shown)
Distributed Control
System (Host)
Control Highway
Profibus DP
Interface
PB
Actuator
PB
Actuator
PB
Actuator
PB
Actuator
Terminator Terminator Profibus DP or PA Network
Segment coupler
Power supply
PA Segment coupler
(PA only network)
16.4 Network Wiring – DeviceNet
Please refer to LMENIM2328 for detailed installation instructions.
DeviceNet is a CAN - based protocol that uses 5 wires including a shield. Two of the conductors are
used for 24V DC power & up to 8 amps (4 amps for NEC Class 2) may be passed along the hi-way from
a suitable power source. Two conductors are used for the CAN bus signals, CAN_H and CAN_L, which
are usually smaller in diameter. Limitorque recommends Belden cable for connecting to a DeviceNet
network. The specifications for thick and thin cable (per site requirements) are as follows: