Technical information
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Ethernet communication RTU communication
Ethernet modules RTU module
  EtherNet/IP and Modbus/TCP  Modbus/TCP, IEC 60870-5-104, 
DNP3 (subset level 3)
  Serial link, External modem link, 
IEC 60870-5-101, DNP3 (subset level 3)
10BASE-T/100BASE-TX 10BASE-T/100BASE-TX (Modbus/TCP),
PPPoE (Point-to-Point Protocol over Ethernet) 
for ADSL external modem link
Non-isolated RS 232/485 (Serial link),
Non-isolated RS 232 (Radio, PSTN, GSM, 
GPRS/3G external modem link)
Four 
RJ45 connectors 
(2 connectors for a ring topology) One RJ45 connector One RJ45 connector
CSMA-CD CSMA-CD (Modbus/TCP), 
Master/slave (IEC 104/DNP3)
Master/slave (IEC 101/DNP3)
10/100 Mbps 10/100
 Mbps (Modbus/TCP) 0.3…38.4 Kbps (Serial link)
Double twisted pair copper cable, category CAT 5E, optical fibre via ConneXium cabling system Double shielded twisted pair copper cable, 
Crossover serial cable (Serial link), 
Direct serial cable (External modem link)
128 (EtherNet/IP or Modbus/TCP) 128 (Modbus/TCP), 
32
 slaves/servers 
(IEC 104/DNP3)
32 max.
100 m (copper cable), 4000 m (multi-mode optical fibre), 32,500 m (single-mode optical fibre) 15 m (Non-isolated serial link), 
1000 m (Serial link with insulating case)
2 Ethernet or 
RTU modules per station with any BMX P34 processor Depending on application-specific channels 
(20/36 application-specific channels with BMX 
P34 1000/P34 2pppp)
EtherNet/IP and Modbus/TCP messaging Modbus/TCP messaging Reading/writing digital and analog I/O, counters
B30 C30 –
Rack Viewer PLC diagnostics, Data Editor access to PLC data and variables  –
– – –
– Hosting and display of user Web pages –
Yes –
– –
– Yes
Yes (client/server) Yes (client) –
– Yes –
– Server –
Yes Yes (agent) –
Yes –
Yes –
– Yes, IEC101/104 and DNP3
– Interrogation via polling and exchanges on change of status (RBE), unsolicited messaging
– Yes, IEC101/104 and DNP3
– Yes, IEC101/104 and DNP3 
– Yes, IEC101/104 and DNP3
Buffer holding 10,000 events (per connected client, 4 clients max.)
– Yes, on SD 128 MB memory card, in CSV files, access via FTP or sent by e-mail
Standard and Performance (see page 1/2)
BMX NOC 0401
BMX NOR 0200H 
BMX NOR 0200H
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