Proservo
10
Hauser
Whessoematic 550
Mark / Space
Enraf Bi Phase Mark (BPM)
Module name
WM550 communication module
No. of units
15 instruments per loop (connected to RTU)
Baud rate
1,200 / 2,400 bit/s
Cable
Two wire, twisted cable with screening
Topology
20 mA current loop
Transmission distance
Depending on specifications (ask your E+H engineer)
Instrument address
Setting by DIP switches on communication board
Isolation
Current loop circuit isolated from other circuits
Module name
Mark/Space communication module
No. of units
Depending on specification (ask to E+H engineer)
Baud rate
1,200 / 2,400 / 4,800 / 9,600 / 19,200 bit/s
Cable
Four wire
Topology
Serial bus, tree structure
Transmission distance
Depending on specifications (ask your E+H engineer)
Instrument address
Setting by DIP switches on communication board
Isolation
Serial pulse isolated from other circuits
Module name
COM - 3
No. of units
Maximum 10 instruments per loop
Baud rate
1,200, 2,400 bit/s, selectable
Cable
Two wire, twisted cable with screening
Topology
Serial bus, electrically isolated, tree structure
Transmission distance
Maximum 10 km
Instrument address
Accessed via touch control
Isolation
Serial communication circuit isolated from other circuits
