Configuration
3.14 Alarms Set Up Group
Introduction
An alarm is an indication that an event that you have configured (for
There are two alarm output selections, High and Low. You can configure each setpoint to alarm either High or Low. These are called single alarms.
You can also configure the two setpoints to alarm on the same event and to alarm both high and low. A single adjustable Hysteresis of 0 % to 100 % is configurable for the alarm setpoint.
See Table
The prompts for the Alarm Outputs appear whether or not the alarm relays are physically present. This allows the Alarm status to be shown on the display and/or sent via communications to a host computer.
Function Prompts
Table
Function Prompt | Selection or Range of Setting | Parameter | ||
Lower Display | Upper Display | Definition | ||
English | Numeric | English | Numeric |
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| Code |
| Code |
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A1S1TY | 1101 |
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| ALARM 1 SETPOINT 1 |
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| you want Setpoint 1 of Alarm 1 to represent. |
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| It can represent the Process Variable, |
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| Deviation, Input 1, Input 2, Output, and if you |
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| have a model with communications, you can |
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| configure the controller to alarm on SHED. If |
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| you have setpoint programming, you can |
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| alarm when a segment goes ON or OFF. |
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| NONE | 0 | NO ALARM |
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| IN 1 | 1 | INPUT 1 |
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| IN 2 | 2 | INPUT 2 |
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| PROC | 3 | PROCESS VARIABLE |
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| DE | 4 | DEVIATION |
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| OUT | 5 | OUTPUT (NOTE 1) |
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| SHED | 6 | SHED FROM COMMUNICATIONS |
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| 7 | EVENT ON (SP PROGRAMMING) | |
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| 8 | EVENT OFF (SP PROGRAMMING) | |
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| MAN | 9 | ALARM ON MANUAL MODE (NOTE 2) |
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| RSP | 10 | REMOTE SETPOINT |
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| FSAF | 11 | FAILSAFE |
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| PrRT | 12 | PV RATE OF CHANGE |
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| DI 1 | 13 | DIGITAL INPUT 1 ACTUATED (NOTE 7) |
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| DI 2 | 14 | DIGITAL INPUT 2 ACTUATED (NOTE 7) |
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| BRAK | 15 | LOOP BREAK (NOTE 4) |
76 | UDC2500 Universal Digital Controller Product Manual | 4/07 |