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Introducing the BM85 Bridge/Multiplexers
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1.2 Overview of BM85 Models
1.2.1 Available Models
BM85 models are available for application in singleĆcable or dualĆcable
Modbus Plus networks, with a variety of serial port configurations. The
characteristics of the BM85 models are:
Part Number
Mounting
Method
Operating
Power
(Nominal)
Modbus Plus
Network
Cable
Serial
Ports
Serial
Protocol
NW–BM85–000 (Note 1) Panel or Shelf 115/230 Vac Single Modbus ASCII or RTU
NW–BM85C002 Panel or Shelf 115/230 Vac or
24 Vdc
Single or Dual Modbus ASCII or RTU
NW–BM85D008 19 in Rack 125 Vdc or
24 Vdc
Single or Dual Modbus ASCII or RTU
NW–BM85E232 (Note 2) Panel or Shelf 115/230 Vac or
24 Vdc
Single or Dual RS232 Programmable,
User Defined
NW–BM85D002 19 in Rack 125 Vdc or
24 Vdc
Single or Dual RS232 Programmable,
User Defined
NW–BM85E485 (Note 3) Panel or Shelf 115/230 Vac or
24 Vdc
Single or Dual RS485 Programmable,
User Defined
NW–BM85S232 Panel or Shelf 115/230 Vac or
24 Vdc
Single or Dual RS232 Programmable,
User Defined
NW–BM85S485 Panel or Shelf 115/230 Vac or
24 Vdc
Single or Dual RS485 Programmable,
User Defined
Notes
1. Model NW-BM85-000 has been replaced by NW-BM85C002 for
new installations.
2. Model NW-BM85E232 has been replaced by NW-BM85S232 for
new installations.
3. Model NW-BM85E485 has been replaced by NW-BM85S485 for
new installations.
1.2.2 Mounting Methods
For the panel/shelf models, the BM85 bottom surface is fitted with pads
for placement on a horizontal shelf. Brackets are supplied for securing
the unit to the shelf, or for attaching it to a vertical panel.
RackĆmount models are for installation into a standard 19Ćinch rack.