gefran 2500 User Manual

General Notes on Operation
To solve the problem, see: Guide to the Solution of Problems in Section 6 Maintenance.
Switching on and operating the controller
Self-diagnostics
8888
SV
F
PV
8888
Normal operation
Level 1
Errors during operation
SV
F
PV
Lo
SV
F
PV
Xi
SV
F
PV
Sbr
SV
F
PV
Err
SV
F
PV
Ebr
SV
F
PV
399
400
SV
F
PV
Ebr.Lo
SV
F
PV
Er.rtd
SV
F
PV
E.(AL.1
• Whenswitchedon,thecontrollerrunsaself-diagnosticstest.
During the test, all segments of the display and the 7 lighted indicators flash.
• Ifself-diagnosticsdetectsnoerrors,thecontrollerentersnormaloperatingstate
(Level 1)
• Anyerrorsdetectedbyself-diagnosticsarestoredinaregisterandcanbe
displayed with the ERR function on the INF menu.
PV displays the Process Variable value.
SV displays the Setpoint value (if parameter dS.SP = 0).
F displays the control output 1 value (if parameter dS.F = 5)
• Pushbrieflytosee,insequence,onthePVdisplay(andchangeif
necessary) the significant values that influence operation of the controller at
Level 1 (Setpoint, Alarm Setpoint, Control Output, etc.)
• Whenthebuttonremainspushedfor3seconds,youenterthe
Programming/Configuration menu – see Navigating the Controller Menus for
details.
• PushtotheSetpointvalueuntilreachingtherequiredvalue.
In case of errors during normal operation:
PV Displays error code.
SV Continues to display Setpoint value or Control Output value.
LO Process Variable < min. scale limit (parameter LOS on INP menu
of selected Process Variable)
KI Process Variable < max. scale limit (parameter K
’
S on INP menu
of selected Process Variable)
SBR probe broken or input values exceed maximum limits
ERR PT100 in short circuit and input values below minimum limits
(ex. for CT with wrong connection)
4...20mA transmitter broken or not powered
EbR absence of probe power supply (strain-gauge) due to broken or
unconnected probe
Ebr.Lo no voltage in probe power supply
Er.rtd third wire for PT100 broken or not connected
E.(AL.1 calibration error on input x (x = 1...4)
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gefran 2500 Specifications

General

Brand	gefran
Model	2500
Category	Controller
Language	English