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REC 523
7.2.
64
Remote Monitoring and Control Unit
Technical Reference Manual
Table 7.1.-11 Electromagnetical compatibility tests (Continued)
Electromagnetic
conducted RF emission (mains terminal)
emission tests
EN 55011
radiated RF emission
IEC 60255-25
CE approval
Complies with the EMC directive 89/336/EEC and the LV directive 73/23/
EN 50263
EEC
Table 7.1.-12 Data communication
Front interface,
RS485 connection
connector X5.3
LON bus or SPA bus, selectable
the fibre-optic interface module RER 103 is needed for galvanic isolation
data transfer rates
Communication
remote communication protocol
interface, connector X5.1
Communication
parametrization, SPA
interface, connector X5.2
Communication
Refer to Section 9.2. Software configuration and software number .
protocols
Table 7.1.-13 General
Toolboxes
CAP 501
CAP 505
Event recording
500 latest events are recorded
the events are recorded in higher level syntax: reason, time, date
Data recording
records operate values
Control functions
see "Technical Descriptions of Functions", CD-ROM (1MRS750889-MCD)
Condition monitoring
functions
Measurements
see "Technical Descriptions of Functions", CD-ROM (1MRS750889-MCD)
temperature of enclosure
battery voltage
Self-supervision
all analogue reference voltages
automatic test sequences for I/Os, batteries and flash memory
Mechanical dimensions
Width: 261 mm
Height: 265 mm
Depth: 250 mm
Weight of the unit
5...7.2 kg
Terminal connections
All external circuits are connected to the terminal blocks on the rear panel. Terminal
block X1.1 for the measuring transformers consists of fixed screw terminals
fastened to the energizing input module. Each terminal is dimensioned for one max.
2
6 mm
or two max. 2.5 mm
ABB sensors (Rogowski coil or voltage divider) are connected to the connectors
X2.1...X2.9. A special type of shielded twin BNC connector (for example type AMP
332225 or Amphenol 31-224) is used to improve reliability and protection against
disturbances. The current sensor and/or voltage divider used must have a connector
2
wires.
1MRS750881-MUM
EN 55011, class A
IEC 60255-25
EN 55011, class A
IEC 60255-25
SPA bus: 4.8/9.6 kbps
LON bus: 78.0 kbps/1.25 Mbps
-40°...+60°C, ±3°C
15...35 V DC, ±3%
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