19
6643-22701
RS-232/422/485
Electrical specification
Configurable for EIA RS-232 or EIA RS-422/485
Data rate
RS-232
50 bit/s - 115.2 kbit/s
RS-422/485 50 bit/s - 2 Mbit/s
Data format
7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits
(2 stop bits only when no parity is set)
Circuit type
TNV-1
Transmission range
RS-232
15 m / 49 ft
RS-422/485 Up to 1200 m / 0.74 mi, depending on data rate and cable
type
Isolation to
All other
Connection
RS-232
RJ-45 according to EIA-561
RS-422/485 RJ-45
Shielded cable
RS-232
Recommended
RS-422/485 Not required, but recommended in railway installations close
to the rails.*
Conductive housing
Yes
Number of ports
1
* To minimise the risk of interference, a shielded cable is recommended when the cable is located inside 3 m
boundary or the cable is longer than 30 m and inside 10 m boundary to the rails and connected to this port.
I/O / Relay output
Maximum voltage/current
60 VDC / 80 mA
Contact resistance
Max 30 Ω
Isolation to
All other
Connection
Detachable screw terminal
Conductor cross section
0.14 - 1.5 mm
2
(AWG 28 - 16)
Stripping length cable
7 mm
Tightening torque, terminal screw 0.22 -0.25 Nm
Tightening torque, screw flange
0.3 Nm
I
/O / Digital input
Maximum voltage/load current
60 VDC / 2 mA
Voltage levels
Logic one: >12V
Logic zero: <1V
Isolation to
All other
Connection
Detachable screw terminal
Conductor cross section
0.14 - 1.5 mm
2
(AWG 28- 16)
Stripping length cable
7 mm
Tightening torque, terminal screw 0.22 -0.25 Nm
Tightening torque, screw flange
0.3 Nm
