Eurotherm Drives 590 DRV Digital, Product Manual

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Appendix C Setup Parameters
590 DRV Digital DC Drive Product Manual App. C - 10
C
RAISE/LOWER
RAISE/LOWER provides electronic motor operated potentiometer (MOP)
functionality.
Note: This block is ignored by the drive unless SYSTEM::
CONFIGURE I/O:: BLOCK DIAGRAM:: RAISE/LOWER DEST is
connected to a non-zero tag.
Inputs and Outputs
The default configuration has no inputs or outputs connected.
Description
RAISE INPUT, when TRUE, increases the output at the rate determined by IN-
CREASE RATE. LOWER INPUT decreases the output as determined by DE-
CREASE RATE. MIN VALUE and MAX VALUE limits the total change by the
amounts set.
When EXTERNAL RESET is TRUE, the output is set to RESET VALUE.
Parameters
Tag Parameter Description Range Default
255 RESET VALUE Loaded into the output on power-up or when EXTERNAL ±300.00% 0.00%
RESET is TRUE.
256 INCREASE RATE Rate of change of an increasing output value. 0.1 to 600.0 Secs 10.0 Secs
257 DECREASE RATE Rate of change of a decreasing output value. 0.1 to 600.0 Secs 10.0 Secs
261 RAISE INPUT Command to raise the output value. TRUE/FALSE FALSE
262 LOWER INPUT Command to lower the output value. TRUE/FALSE FALSE
258 MIN VALUE Minimum ramp output clamp. ±300.00% -100.00%
259 MAX VALUE Maximum ramp output clamp. ±300.00% +100.00%
307 EXTERNAL RESET When TRUE, sets the output to the RESET VALUE. TRUE/FALSE FALSE
DIGITAL DC DRIVE
MENU LEVEL
MENU LEVEL
DIAGNOSTICS
MENU LEVEL
SETUP PARAMETERS
SETUP PARAMETERS
RAMPS
SETUP PARAMETERS
AUX I/O
SETUP PARAMETERS
JOG/SLACK
SETUP PARAMETERS
RAISE/LOWER
M
M