Eurotherm Drives 590 DRV Digital, Product Manual, Page: 68 / 318

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590 DRV Digital DC Drive Product Manual
5
Chapter 5 Troubleshooting
Parameter Description Tag Range
PID ERROR Displays the difference between the setpoint (INPUT 1) and the feedback signal
(INPUT 2) in the PID function block.
415 ± 105.00%
PID OUTPUT Output of the PID function block. 417 ± 315.00%
POS I CLAMP Positive current clamp 87 ± 200%
PROGRAM STOP State of program stop (terminal B8). When B8 is at 24V then "PROGRAM STOP"
is FALSE and the program stop front panel LED is also ON
80 TRUE /FALSE
RAISE/LOWER O/P Value of the raise / lower ramp function 264 ± 300%
RAMP OUTPUT Setpoint ramp output 85 ± 100%
RAMPING If the difference between the ramp input and the ramp output is greater than the
"RAMP THRESHOLD", then "RAMPING" is TRUE
113 TRUE /FALSE
SPEED DEMAND Speed loop total setpoint after the ramp-to-zero block 89 ± 105%
SPEED ERROR Speed loop error 297 ± 150%
SPEED FEEDBACK Speed loop feedback 207 ± 150%
SPEED SETPOINT Speed loop total setpoint including the ramp ouput before the ramp-to-zero
function
63 ± 150%
SPT. SUM OUTPUT Setpoint summation output 86 ± 200% (default 105%)
STALL TRIP Armature current is above "STALL THRESHOLD" and "AT ZERO SPEED" but not AT
ZERO SETPOINT
112 OK / FAILED
START (C3) Start / Run terminal 68 ON / OFF
TACH INPUT [B2] Scaled analog tachogenerator feedback 308 ± 110%
TERMINAL VOLTS Scaled terminal volts 57 ± 125%
Figure 5.13 - Diagnostic Parameters (Continued)