ABB Industrial IT enabled REX 521 Technical Reference Manual, General page 39

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Technical Reference Manual, General
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Fast transient disturbance test
IEC 60255-22-4 and IEC 61000-4-4
Surge immunity test
IEC 61000-4-5 and
IEC 60255-22-5
Power frequency (50 Hz)
magnetic field
IEC 61000-4-8
Voltage dips and
short interruptions
IEC 61000-4-11
Electromagnetic emission tests
EN 55011 and
EN 60255-25
CE approval
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Rear interface, connector X3.2 and
X3.3
Rear interface,
connector X3.1:9,10
Front panel
SPA protocol
IEC_103 protocol
Modbus protocol
LON protocol
power supply
I/O ports
power supply
I/O ports
100 A/m continuous
300 A/m 1 to 3 s
30%, 10 ms; 60%, 100 ms; 60%, 1000 ms
>90%, 5000 ms
conducted RF emission
(mains terminal)
radiated RF emission
Complies with
the EMC directive 89/336/EEC and
the LV directive 73/23/EEC.
Fibre-optic interface
protocol
RS-485 connection
protocol
optical RS 232 connection
protocol
communication cable
baud rates
start bits
data bits
parity
stop bits
baud rates
data bits
parity
stop bits
baud rates
data bits
parity
stop bits
Modbus modes
bit rates
5(; 
4 kV
2 kV
2 kV, common mode
1 kV, differential mode
2 kV, common mode
1 kV, differential mode
EN 55011, class A,
EN 60255-25
EN 55011, class A
EN 60255-25
EN 50263
EN 50081-2
EN 61000-6-2
EN 60255-6
SPA, IEC_103, Modbus
Also LON in the
REX 521 xxxxL versions.
SPA, Modbus
SPA
1MCK 9500011
4.8/9.6/19.2 kbps
1
7
even
1
9.6/19.2 kbps
8
even
1
0.6/1.2/2.4/4.8/9.6/19.2 kbps
7/8 (ASCII/RTU)
no parity/odd/even
1/2
ASCII, RTU
78.0 kbps/1.25 Mbps
39