– INT 4 TO 20MA POSITIONER – BASIC NAME: POSITIONER; TYPE: SMART; ACTION: SINGLE ACTION; ACTION MODE: DIRECT/REVERSE ACTION; PRESSURE GAUGE: WITH PRESSURE GAUGE (BAR/PSI); APPLICATION: DIAPHRAGM/SPRING ACTUATOR; LIMIT SWITCH: WITH LIMIT SWITCH; POSITION TRANSMITTER: WITH POSITION TRANSMITTER; AMPLIFIER RELAY: WITH AMPLIFIER RELAY; SUPPLY CONNECTIONS: 1/4” BSP; ELECTRICAL CONNECTION: 1/2” NPT; ROTATION ANGLE STROKE: 18 TO 140 DEGREES; COMMUNICATION PROTOCOL: HART; SUPPLY: WITHOUT MOUNTING KIT; ELECTRICAL PROTECTION: IP-66/NEMA 4X; MAXIMUM SUPPLY PRESSURE: 20 TO 120 PSI; INPUT SIGNAL: 4 TO 20 MA; OUTPUT SIGNAL: 0 TO 120 PSI; ADDITIONAL REQUIREMENTS: SEE OBS; COMMERCIAL REFERENCE: MASONEILAN-SVI3-31121214; NOTES: – HART 7 COMMUNICATION PROTOCOL; – 1 INPUT FOR EXTERNAL POSITION SENSOR RPS FOR REMOTE MOUNTING; – 1 INPUT FOR DISCRETE DIGITAL SIGNAL 0-30 VDC; – 1 PROCESS VARIABLE INPUT 1-5 VDC, 4-20MA/250 OHMS; – ANALOG AIR SUPPLY AND ACTUATOR OUTPUT PRESSURE GAUGE; – 4 LOCAL BUTTONS FOR CONFIGURATION, CALIBRATION, ADJUSTMENTS AND LOCAL DIAGNOSTICS WITHOUT THE NEED FOR AN EXTERNAL CONFIGURATOR; – LOCAL DISPLAY WITH 4 ALPHANUMERIC LINES FOR VIEWING INFORMATION WITH ALERT INDICATION ACCORDING TO NAMUR 107 STANDARD; – ACCURACY: +/- 0.5% OF TOTAL STROKE; – HYSTERESIS + DEAD BAND: +/- 0.3% OF TOTAL STROKE; – REPEATABILITY: +/- 0.3% OF TOTAL STROKE; – ADVANCED DIAGNOSTIC LEVEL FOR PERFORMING AND COLLECTING THE CONTROL VALVE SIGNATURE THUS ENABLING THE COMPLETE ANALYSIS OF THE ASSEMBLY”S HEALTH; – VALVE/ACTUATOR/POSITIONER/ACCESSORIES BEING THE MAIN ONES: – STEP TEST: CALCULATION OF OVERSHOOT RESOLUTION OF THE DEAD BAND ASSEMBLY; – RAMP TEST: CALCULATION OF HYSTERESIS, DEAD BAND, ACCURACY, LINEARITY, EVALUATION OF ACTUATOR SEAL INTEGRITY, OPENING AND CLOSING TIME; – VALVE SIGNATURE: SPRING RANGE, ACTUATOR BENCH SET CALIBRATION, FRICTION, PLUG/SEAT SEATING PROFILE, VALVE STROKE, POSITIONER CALIBRATION, PLUG/SEAT SEATING FORCE. – ONLINE DIAGNOSTICS (OVD) COLLECTED AUTOMATICALLY DURING NORMAL VALVE OPERATION (VALVE IN SERVICE); – STORAGE OF 1 YEAR OF HISTORY OF THE MAIN ONLINE DIAGNOSTICS (OVD) IN THE POSITIONER ITSELF FOR FUTURE COLLECTION; – 19 INDICATORS (KPIS) WITHIN THE OVD ESSENTIAL FOR MONITORING ASSEMBLY PERFORMANCE