Circutor RGU-10 B - 5�1�3�- Positive Security Setting of the Main Relay; 5 �1�4�- Setting the Prealarm Relay

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RGU-10 B, RGU-10 B RCM
Instruction Manual
5.1.3.- POSITIVE SECURITY SETTING OF THE MAIN RELAY
“Std”, contacts are on standby, terminals 14 - 15 (NC) and 13 - 15 (NO).
“+”, contacts change status on powering the device, the + sign is displayed. Terminals 14 -15 (NO) and
13 -15 (NC).
Figure 16: Positive security setting.
5.1.4.- SETTING THE PREALARM RELAY
The PROG/PAG key control the prealarm relay and main relay settings.
If the button is pressed for a short time the prealarm setting is entered. “Alarm” appears on the dis-
play. Also the prealarm threshold appears as a % of the sensitivity setting and the prealarm delay. To
exit press PROG.
Figure 17: Setting the prealarm relay.
5.1.4.1.- Setting of the prealarm current
This is in terms of the program value in the main relay. Pressing Id enters to change the value. Relative
values are shown as a % of the present trip current. Pressing Id changes the values: OFF, 50, 60, 70,
80 and MAIN.
Where:
OFF: prealarm disabled
MAIN: the prealarm continues to trip the main channel.
Figure 18: Setting of the prealarm current.