ABB Industrial IT enabled REX 521 - Page 39

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