ABB 500NMD20 User Manual

Connections Device description
Pin allocation serial interface RS-485 half duplex (RJ-12)
RS-485 half duplex / 2-wire
Pin Signal Direction
1
2
3 B (-) bi-directional
4 GND -
5
6
1
6 A (+) bi-directional
Pin allocation serial interface RS-485 full duplex (RJ-12)
RS-485 full duplex / 4-wire
Pin Signal Direction
1
2 B (-) Input
3 B (-) Output
4 GND -
5 A (+) Input
6
1
6 A (+) Output
4.7.5 Power connector (X1)
The EDS500 devices are equipped with a wide range power supply for voltages between 24
and 60 Volts DC (power consumption see device label). The connector is a 4-pin Phoenix plug
with screw terminals.
Power supply input (X1)
Operating voltage 24... 60 V DC -20%... +20%
Power consumption (typical) specific for device, see device label
Current demand (peak) specific for device, see device label
Plug type Phoenix Contact MSTBT 2.5/4-ST
Reverse polarity protection yes
Circuit classification SELV (acc. IEC 60950-1)
Galvanic isolation 1.5 kV isolation voltage
Overvoltage protection line to earth ±4 kV, line to line ±2 kV
Electrical fast transient / Burst, IEC 61000-4-4 4 kV line to earth, 2 kV line to line (level 4), cri-
terion A
Surge 1.2/50 µs, IEC 61000-4-5 4 kV line to earth, 2 kV line to line (level 4), cri-
terion A
Conducted, common mode disturbances
in the frequency range 0 Hz to 150 kHz,
IEC 61000-4-16
30 V continuous disturbance/ 300 V short
duration disturbance (level 4), criterion A
Conducted emissions - asymetrical DC ports,
common mode (0.15 MHz to 30 MHz)
EN 55032/ CISPR 32 class A
IEC 61000-6-4
34 1KGT150966 V0001

ABB 500NMD20 Specifications

General

Brand	ABB
Model	500NMD20
Category	Network Router
Language	English