Brainchild P91 User Manual

: A deviation band high/low alarm presets two trigger levels
relative to set point value. The two trigger levels are SV+ASP1 and
SV-ASP1 for alarm. When the process is higer than SV+ASP1 or
lower than SV-ASP1, a deviation band alarm occurs. When the
process is within the trigger levels SV+ASP1-A1HY and SV-ASP1+
A1HY (where ASP1 must be positive value ). Figuree 3.8 shows the
deviation band alarm 1 opertion.
Figure 3.8 Deviation band alarm 1 operationFigure 3.8 Deviation band alarm 1 operation
Output 2
on
off
Process value
Alarm value
SV+ASP1
SV+ASP1-A1HY
Output 2
on
off
Alarm value
SV-ASP1
SV-ASP1+A1HY
SV(set point value)
The above description is based on alarm 1 which is selected for
output 2, the operations of alarm 2 and alarm 3 are same as alarm1.
In the above description SV denotes the current set point value for
control which is different from SP1 as the profile mode is performed.
UM0P411A
53
OUT2=ALM1
OUT2=rAL1

Brainchild P91 Specifications

General

Brand	Brainchild
Model	P91
Category	Controller
Language	English