Westermo ODW-730-F1 - Manual (Page 12)

12 6651-2241
RS-422/485
Electrical specification EIA RS-485, 2-wire or 4-wire twisted pair
Data rate 300 bit/s – 1.5 Mbit/s
Data format 9 – 12 bits
Protocol Start-bit followed by 8-11 bits
Retiming Yes
Turning time
(2-wire RS-485) One t
bit
t
bit
= 1 / Baud rate (Baud rate in bit/s)
Transmission range < 1200 m, depending on data rate and cable type (EIA RS-485)
Settings 120 W termination and failsafe biasing 680 W
Protection Installation Fault Tolerant (up to ±60 V)
Isolation to Status and Power port
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 13)
Shielded cable Not required
LED Indicators(for details see page 15)