IM-P343-35 CTLS Issue 5
9
SP500 Electropneumatic Smart Positioner
3.4 Programmable functions
Autostroke Automatic commissioning routine
Valve type 2-port or 3-port
% travel Selectable 0 - 100% or 100% - 0% depending on valve/actuator configuration
Control action Direct or reverse action (4 - 20 or 20 - 4 mA)
Travel limits Setting of minimum and maximum travel limits
Signal span 4 - 20 mA or split ranged (minimum span 4 mA)
Deadband Positional accuracy (minimum 0.2% to max. 10% of valve travel)
Tight shut-off Fully vent or inflate at preset input signals
Characteristic Linear, = % or fast opening input signal to valve travel relationship
Travel time Slows down valve opening or closing
Travel switches Software configured travel switch setting (range 0 - 100%)
Reset Resets all programmed values
Calibrate Centering
Input signal Visualisation of input mA signal
Auto operation/vent Option of automatic operation or vent (actuator) whilst reprogramming
Data logging Diagnostic record of total number of valve strokes and completed hours run time