gefran 850 User Manual

80209C_MHW_850-1650-1850_02-2020_ENG_pag. 106
4.12.1. Functional diagram
Blinking
display
BLK.HB page. 108
Scrolling
message
MSG.HB page. 108
Alarm
Load type
LOAD page. 108
Delay
TIME page. 107
Output selection
contro
OUT page. 107
Alarm due to
insufficient
current draw
LOW.ON page. 106
Alarm due to
excessive
current draw
HIG.ON page. 106
Alarm due to
excessive
current draw
HIG.OFF page. 107
Current input
CURR.1
Current input
CURR.2
Alarm
state
AL.HBx
Output
OUT.1
OUT.2
OUT.3
OUT.4
4.12.2. LOW.ON - Alarm due to insufficient current draw
Acronym Scrolling message Submenu Attributes
LOW.ON LOW LOAD CURR THRESH ON TIME AL.HB R W
The parameter shows and sets the current draw value below which the Heater Break alarm trips when the control output
is ON.
If the draw is too low it is assumed that the heating element is broken. The signal may also be caused by a power failure
on the heating element supply line.
Unit of measurement: A
Options: 0.0...999.9
4.12.3. HIG.ON - Alarm due to excessive current draw
Acronym Scrolling message Submenu Attributes
HIG.ON HIGH LOAD CURR THRESH ON TIME AL.HB R W
The parameter shows and sets the current draw value above which the Heater Break alarm trips when the control output
is ON.
If the draw is too high it is assumed that the heating element or its supply line is in short circuit.
Unit of measurement: A
Options: 0.0...999.9

gefran 850 Specifications

General

Brand	gefran
Model	850
Category	Temperature Controller
Language	English