Functional Diagram; Al.pw - Select The Power Alarm To Configure; Pv.bnd - Process Variable Stability Band; Pw.bnd - Power Stability Band - gefran 850 Installation And Instruction Manual

4.13.1. Functional diagram

Stability band
PV
PW.BND page. 110
PV.x
Power
stability band
PW.BND page. 110
OUT.Px

4.13.2. AL.PW - Select the Power alarm to configure

Acronym
AL.PW.N POWER ALARM NUMBER
The parameter shows and sets the alarm to be configured, identified by its number.
Unit of measurement:
Options: 1
2
4.13.3. PV.BND – Process variable stability band
Acronym
PV.BND AL.PW.1 (or AL.PW.2) PV STABILITY BAND
The parameter shows and sets the value of the process variable stability band within which the alarm is assessed.
If the parameter is "0.0" the power alarm is disabled.
Unit of measurement:
Options: 0.0...100.0
4.13.4. PW.BND – Power stability band
Acronym
PW.BND AL.PW.1 (or AL.PW.2) PW STABILITY
The parameter shows and sets the value of the power stability band. When the process variable is in PV.BND stability
band and average power exits PW.BND power stability band, the alarm activates after TIME. When the power alarm is
active, it is automatically cancelled if the setpoint is changed, or by setting parameter AL.ACK = On on the user configu-
ration menu, or by switching to Manual mode.
Unit of measurement:
Options: 0.0...100.0
Stability
State
Stability PV
control
PV
Media
Average power
Scrolling message
Number
= Select alarm referring to PID.1
= Select alarm referring to PID.2 (only with auxiliary input option)
Scrolling message
%
Scrolling message
%
80209C_MHW_850-1650-1850_02-2020_ENG_pag. 110
Stability
state
Stability
power
control
power page. 111
automatically
PV in error
Blinking
display
Stato
BLK.PW page. 111
Delay AL.PWx
TIME
Scrolling
message
MSG.PW page. 111
power
Submenu
AL.PW
Submenu
AL.PW
Submenu
AL.PW
Attributes
R W
Attributes
R W
Attributes
R W