Circutor CBS-400B, Instruction Manual, Page: 20 / 58

20
CBS-400B
Instruction Manual
4�3�- KEYBOARD FUNCTIONS
The
CBS-400B
has 3 keys to browse through the different screens and program the device.
Function of the keys (
Table 9
):
Table 9: Function of the keys on display screens�
Key Short keystroke Long keystroke (3s)
Previous screen Performs a TEST on the channel that is displayed
Next screen If tripped, the displayed channel's relay is RESET
-
Access to the direct settings, the setup menu or the event
menu, depending on the screen being displayed.
4�4�- DIGITAL OUTPUTS
The device has a digital output (terminals 19 and 20 of
Figure 3
) that is activated when a prealarm is
generated, see
"6.2.- PREALARM"
.
4�5�- RELAYS
The CBS-400B has 4 output relays, one per channel (terminals 1... 6 of
Figure 3
) to carry out a trip on
each of the channels. See
"5.6.- DIRECT SETTINGS"
to configure the trip parameters.
4�6�- DIGITAL INPUT
The device has a digital input, TRIP , (terminals 21 and 22 of
Figure 3
) to carry out a global external trip.
If this input is activated, all the installation's channels are tripped.