ABB RET 541, Product Manual

Page: 35 / 68

Transformer Terminal RET 541, RET 543, RET 545
1MRS755543
35
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) power supply 4 kV, common mode
2 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
Voltage dips and short
interruptions, IEC 61000-4-11 30%, 10 ms
>90%, 5000 ms
Electromagnetic emission tests
EN 55011 and EN 50081-2 conducted RF emission (mains
terminal) EN 55011, class A
radiated RF emission EN 55011, class A
CE approval Complies with the EMC directive 89/336/EEC and the LV directive
73/23/EEC
Table 18: Data communication
Rear interface, connector X3.1 not used, reserved for future purposes
Rear interface, connector X3.2 RS-232 connection
the fibre-optic interface module RER 123 for SPA and IEC_103
protocol
SPA, IEC_103
RS-485 connection
the RS-485 interface module RER 133 for DNP 3.0 and Modbus
protocol
DNP 3.0, Modbus
data transfer rates DNP 3.0 and Modbus:
300 bps...19.2 kbps, selectable
Rear interface, connector X3.3 RS-485 connection
LON bus or SPA bus, selectable
the fibre-optic interface module RER 103 is needed for galvanic
isolation
data transfer rates
SPA bus: 4.8/9.6/19.2 kbps
LON bus: 78.0 kbps/1.2 Mbps
protocol SPA, LON
Rear interface, connector X3.4 RJ45 connection
galvanically isolated RJ45 connection for an external display module
communication cable
1MRS 120511.001 (1 m)
1MRS 120511.002 (2 m)
1MRS 120511.003 (3 m)
Front panel optical connection
protocol
SPA
serial communication cable 1MRS 120511.001 (1 m)
SPA protocol baud rates 4.8/9.6/19.2 kbps
start bits 1
data bits 7
parity even
stop bits 1
LON protocol bit rates 78.0 kbps/1.2 Mbps
IEC_103 protocol baud rates 9.6/19.2 kbps
data bits 8
parity even
stop bits 1
DNP 3.0 bit rates 300, 600, 1200, 2400, 4800,
9600, 19200 bps
data bits 8
stop bits 1, 2
parity none, odd, even
Table 17: Electromagnetic compatibility tests