L3447
Emax DC
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L3728
Model
Scale
Page No.
Doc. No.
Apparatus
1SDH000635R0002
12.8 Accessories
12.8.1 ABB SACE PR010/T test and configuration unit
Testing by the SACE PR010/T unit allows checking correct operation of thresholds and trip times of L, S, I protection functions. The test unit is
connected to the relay through a dedicated connector (see par. 12.4).
12.8.2 BT030 communication unit
Through a BT030 wireless communication unit, the PR122/DC can be connected via wireless to a Pocket PC (PDA) or a standard PC, extending
the range of information available to user. By means of the ABB SACE SD-Pocket communication software, the values of the currents flowing through
the circuit-breakers, the value of the latest 20 interrupted currents and protection settings, can be read.
12.8.3 PR021/K and HMI030 units
The PR122/DC can also be connected to the optional external PR021/K unit (see par. 15.1) to indicate through potential-free power contacts alarms
and protection trips, and to the HMI030 switchboard front unit to display a number of information.
12.8.4 PR030/B power supply unit
The PR030/B power supply unit is an external unit allowing powering of Relay, Autotest and Trip Test, checking with CB open and installation of
new replacement units.