Eurotherm 590+ Series, Product Manual, Page: 193 / 308

Trips and Fault Finding
7-9
590+ Series DC Digital Converter
Viewing Trip Conditions
The following parameters in the ALARM STATUS menu can be viewed to investigate trip
conditions:
LAST ALARM
HEALTH WORD
HEALTH STORE
THERMISTOR STATE
SPEED FBK STATE
STALL TRIP
REMOTE TRIP
Inhibiting Alarms
The following alarms can be inhibited in the INHIBIT ALARMS menu.
SPEED FBK ALARM
ENCODER ALARM
FIELD FAIL
5703 RCV ERROR
STALL TRIP
TRIP RESET
REM TRIP INHIBIT
Note: The STALL TRIP parameter in the DIAGNOSTICS menu is set regardless of the state of
STALL TRIP inhibit. The flag is set after the stall time-out expires. The relevant bit (bit 12) in
the HEALTH WORD and HEALTH STORE parameters is only set when STALL TRIP is
enabled.
Test Points
The following test points are located on the control board and can be accessed through the
Technology Option housing. When used with a meter, they will provide valuable information in
the event of a fault. Refer to Eurotherm Drives for further information.
Technology Box
Option
IF
IA
0V
VA
PEEK
Test Point
Test Point Test Point
Test Point Description
Description Description
Description
IF Field current feedback 0.0V = 0% 4.0V =100% (mean voltage),
value of FIELD I FBK diagnostic, Tag No. 300
IA
Armature current feedback ± 1.1V ≡ ± 100% (mean current),
value of CURRENT FEEDBACK diagnostic, Tag No. 298
VA Armature volts feedback ± 10V ≡ ± 100% calculated VA (mean voltage),
value of TERMINAL VOLTS diagnostic, Tag No. 57
0V 0V
PEEK PEEK software (Eurotherm Drives use)