Stage/Setpoint / Hysteresis; Delay Time On Or Off; Control Mode; Assigned Sp Fault To Relay - Intec MGC2-12 User Manual

PolyGard Multi-Point Controller
®
User Manual - MGC2-12
3.6.5

Stage/Setpoint / Hysteresis

Each sensor point can have five stages with set point values. If the measured level is greater than the defined
stage/set point, the associated stage is set. If the level falls below the stage/setpoint plus the hysteresis then the
stage returns to original condition.
It is recommended that the unused stages be set to max of sensor range to avoid the alarm light from false
reporting.
For O measurement on depletion consider when defining stage setpoints that stages will be set on a falling
2
measuring signal!
Symbol Description
SP 01 Sensor Point
100
Threshold
ppm
3.6.6

Delay time ON or OFF

Delay ON time begins when the Stage is exceeded and/or Delay OFF time when the Stage returns to normal
condition.
Symbol Description
SP 01 Sensor point
0 s Delay Time ON
0 s Delay Time OFF 0
3.6.7

Control Mode

Definition of the alarm evaluation by Current value (CV) or Average value (AV).
Symbol Description
SP 01 Sensor Point
CV Evaluation
Current / Average Value Function See: 3.7.4
3.6.8

Assigned SP Fault to Relay

Define which stages are activated with a failure of the sensor point.
Symbol
SP 01
Stage - 1 2 3 4 5
Fault - 1 1 0 0 0
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Default
Status
100 Stage/setpoint1
100 Stage/setpoint2
200 Stage/setpoint3
200 Stage/setpoint4
300 Stage/setpoint5
15 Hysteresis
Default
Function
Status
Selection SP No.
Concentration > Stage Threshold: Relay is only activated at
0
expiration of the defined time (sec.). 0 sec. = No Delay
Concentration < Stage Threshold: Relay is only deactivated at
expiration of the defined time (sec.). 0 sec. = No Delay
Default
Function
Status t
Selection SP No.
CV = Control the Current value
CV
AV = Control the Average value
Default
Description
Status
Sensor Point
Failure SP 1 1 0 0 0
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Function
Selection SP No.
Sensor Value > Stage/Set point1 = Stage 1
Sensor Value > Stage/Set point1 = Stage 2
Sensor Value > Stage/Set point1 = Stage 3
Sensor Value > Stage/Set point1 = Stage 4
Sensor Value > Stage/Set point1 = Stage 5
Sensor Value < (Stage/Set pointX –Hysteresis)
Function
Selection SP No.
0 = Stage not ON at SP Failure
1 = Stage ON at SP Failure
Specification subject to change without notice.
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Page 17
= Stage X OFF
MGC2-12
Printed in USA 131119