User guide and technical documentation
Page
25
of
29
4.6
RS-485 Interface
4.7
RS-232 Interface
4.8
Storage, installation and working conditions
Terminal
RS485-A, RS485-B
Galvanic isolation
Yes
Isolation voltage
1000 V
ESD protection
±15 kV
Communication speeds
2400 bps
4800 bps
9600 bps
19200 bps
38400 bps
57600 bps
115200 bps
Input impedance
12 k
Ω
Input voltage hysteresis
70 mV
Output characteristic
±2.5 V
Terminals
RXD, TXD, GND
Galvanic isolation
No
ESD protection
±15 kV
Communication speeds
2400 bps
4800 bps
9600 bps
19200 bps
38400 bps
57600 bps
115200 bps
Input impedance
5 k
Ω
Input voltage hysteresis
0,5 V
Output characteristic
±7.8 V
Working temperature
0 °C ... +55 °C
Rated voltage – SELV
24 V
⎓
(±5 %)
Reverse polarity protection
Yes
Storage conditions
Temperature: −25 °C … +70 °C
Humidity: 10 % ... 95 %, w/o aggressive substances,
condensing vapours or fog
Electric strength
According to EN 60950
Ingress protection (IEC 529)
IP20
Working position
Vertical
Installation
To a 35 mm DIN rail in an electrical distribution box
Connection
Pluggable screw terminals
Wire gauge
Max. 1.5 mm
2
for 1-Wire
Max. 2.5 mm
2
for other terminals
Terminal spacing
3.5 mm for 1-Wire
5.08 mm for other terminals
Terminal tightening torque
Max. 0,4 Nm