8. KEYBOARD AND DISPLAY
8.1. MENU TREE.
The DBF has different menus divided into levels. The Level 0 is the steady state screen. The Level 1 of the different menus is accessed by pressing the corresponding group key (SET, INF, etc.). The scrolling within a given level is done by using the UP and DOWN arrows. It is possible to go down to levels 2 and 3 by pressing the ENT key. Press CLR to go up a level within the menu tree. The Level 1 for each of the five groups is shown in the following table :
Group | Level 1 | Description | ||
SET | VIEW SETTINGS | View settings | ||
CHANGE SETTINGS | Change settings |
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CHANGE COUNTER | Change counters | |||
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INF | STATUS | Shows the status of the relay | ||
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ACT | SET DATE/TIME | Change date and time | ||
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TRIGGERING | Triggers the oscillography | |||
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| Ia | Ia current in primary Amps | ||
| In | In current in primary Amps |
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| I2t A COUNTER | Accumulated kA2 sec. for phase A |
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| Nº OPENINGS | Accumulated number opens |
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| Shows logic for 50BF High Set. |
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ENT | 50BF Pickup | Shows status of 50BF |
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Relay ON/OFF | Relay ON/OF condition |
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52A Status | Breaker Pole A (open/closed) | |||
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| 52B Status | Breaker Pole B (open/closed) |
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| 52C Status | Breaker Pole C (open/closed) |
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| LATCHING RELAY 1 Status | Latching Relay 1 (open/closed) |
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| LATCHING RELAY 2 Status | Latching Relay 2 (open/closed) |
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| DATE & TIME | Shows date and time |
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| NETWORK SPEED | PORT3 (remote) comm. Speed | ||
this | NETWORK STOP BITS | PORT3 (remote) Stop bits |
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LOCAL SPEED | PORT1&2 (local) comm. Speed | |||
menu, typing code: 7169 | ||||
LOCAL STOP BITS | PORT1&2 (local) Stop bits |
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LOCAL SETTINGS | Local settings change allowed |
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REMOTE SETTINGS | Remote settings change allowed |
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LOCAL OPERATION A | Local operations allowed |
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REMOTE OPERATIONS | Remote operations allowed | |||
Hidden | ||||
UNIT NUMBER | Number of the unit |
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PASSWORD | View/Change comm. Password |
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t | Max. t between 2 synch signals (only for | |||
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| relays in DDS integrated systems) |
42 | DBF Breaker Failure Protection |