A1 Output Alarm Intervention Modes; Band Alarm (Setpoint-Process); Deviation Alarm (Setpoint-Process); General Alarm (Process) - Pixsys ATR 900 Manual Instalador

11 A1 output alarm intervention modes

Band alarm (setpoint-process)

PROCESS
SETPOINT
HYSTERESIS
A1
ON
OFF

Deviation alarm (setpoint-process)

COMPARISION VALUE
P-13
PROCESS
SETPOINT
HYSTERESIS
A1
ON
OFF

General alarm (process)

PROCESS
A1
ON
OFF

12 Table of anomaly signs

In case the plant does not work properly, the controller stops the program
running and shows a fault condition, activating the internal buzzer. To stop the
buzzer press any key. Controller will signal a thermocouple failure showing
(fl ashing) on display.
GB 20
COMPARISON VALUE
P-13
HYSTERESIS
TIME
TIME
COMPARISION VALUE
P-13
HYSTERESIS
TIME
The alarm can be:
• working outside
• working inside
Example: Outside
N.B: Alarm treshold is set on
Hysteresis is fi xed as 1°C/°F.
• Upper deviation
• Lower deviation
Example: Upper deviation.
N.B. Hysteresis is fi xed as 1°C/°F.
The alarm can be:
• working over
• working under
Example: working over
N.B. Hysteresis is fi xed as 1°C/°F.
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