Whessoematic 550; Mark / Space; Enraf Bi Phase Mark (Bpm) - Endress+Hauser Proservo NMS 5 series Technical Information

Whessoematic 550

Mark / Space

Enraf Bi Phase Mark (BPM)

10
Module name
No. of units
Baud rate
Cable
Topology
Transmission distance
Instrument address
Isolation
Module name
No. of units
Baud rate
Cable
Topology
Transmission distance
Instrument address
Isolation
Module name
No. of units
Baud rate
Cable
Topology
Transmission distance
Instrument address
Isolation
WM550 communication module
15 instruments per loop (connected to RTU)
1,200 / 2,400 bit/s
Two wire, twisted cable with screening
20 mA current loop
Depending on specifications (ask your E+H engineer)
Setting by DIP switches on communication board
Current loop circuit isolated from other circuits
Mark/Space communication module
Depending on specification (ask to E+H engineer)
1,200 / 2,400 / 4,800 / 9,600 / 19,200 bit/s
Four wire
Serial bus, tree structure
Depending on specifications (ask your E+H engineer)
Setting by DIP switches on communication board
Serial pulse isolated from other circuits
COM - 3
Maximum 10 instruments per loop
1,200, 2,400 bit/s, selectable
Two wire, twisted cable with screening
Serial bus, electrically isolated, tree structure
Maximum 10 km
Accessed via touch control
Serial communication circuit isolated from other circuits
Proservo
Endress+Hauser