L0520
RH0170.001
18/24
ABB SACE
SACE PR212
2.2. User interface
In its front part, the unit has three pushbuttons, four LEDs and two terminal boxes.
2.2.1. Use of the pushbuttons
·
Neuron service:
Press for a few seconds, until the Tx LED flashes for logic
installation of the PR212/D-L (node) on LON
®
network.
·
Reset:
Press to reset the PR212/D-L hardware
·
Remote disabled:
Press to pass from the Remote to Local condition and vice
versa. In the Local condition, remote opening and closing commands are not
accepted, nor variations to the parametrisation of the PR212/P protection unit
connected. The Local or Remote condition can be seen by checking the state of the
Rem Dis / IB fault LED (see par. 2.2.2).
2.2.2 Optic signals
·
Any lighting up of LEDs, other than those described above, indicates probable
malfunction of the SACE PR212/D-L unit.
·
The signals indicated in the table are intended with Vaux present.
·
For further details regarding possible malfunctioning conditions see par. 2.4
2.2.3.
Terminal boxes
·
Connections 1 19:
inputs and outputs of the PR212/D-L (see par. 2.3.2)
·
RS232:
connector reserved exclusively for ABB SACE personnel.
