Chapter
4
Alarm Bits - 9 bits used to determine which alarm condition is detected.
High Capacity and Low Capacity Alarm bits - Channel 1 & Channel 2
Rung 3:8
| |
| |
| CH1 HIGH CH1 HIGH |
| CAPACITY CAPACITY |
| ALARM BIT ALARM |
| I:4 N10:16 |
|----] [--------------------------------------------------------------------------------------------------------+----(L)-----+-|
| 0 | 0 | |
| | CH'S 1&2 | |
| | MODULE | |
| | ALARM BIT | |
| | N10:16 | |
| +----(L)-----+ |
| 11 |
Rung 3:9
| |
| |
| CH1 LOW CH1 LOW |
| CAPACITY CAPACITY |
| ALARM BIT ALARM |
| I:4 N10:16 |
|----] [--------------------------------------------------------------------------------------------------------+----(L)-----+-|
| 1 | 1 | |
| |
+++ +++
+++ +++
| |
| | CH'S 1&2 | |
| | MODULE | |
| | ALARM BIT | |
| | N10:16 | |
| +----(L)-----+ |
| 11 |
Rung 3:10
| |
| |
| CH2 HIGH CH2 HIGH |
| CAPACITY CAPACITY |
| ALARM BIT ALARM |
| I:4 N10:16 |
|----] [--------------------------------------------------------------------------------------------------------+----(L)-----+-|
| 2 | 2 | |
| | CH'S 1&2 | |
| | MODULE | |
| | ALARM BIT | |
| | N10:16 | |
| +----(L)-----+ |
| 11 |
Rung 3:11
| |
| |
| CH2 LOW CH2 LOW |
| CAPACITY CAPACITY |
| ALARM BIT ALARM |
| I:4 N10:16 |
|----] [--------------------------------------------------------------------------------------------------------+----(L)-----+-|
| 3 | 3 | |
| | CH'S 1&2 | |
| | MODULE | |
| | ALARM BIT | |
| | N10:16 | |
| +----(L)-----+ |
| 11 |
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