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BIFFI FAIL SAFE ELECTRIC ACTUATORS, MODEL EFS2000V4
InstructIon and operatIng Manual
10.3 Description of variables and reports
☐ Torque: Output torque in % of the nominal torque stated in the NAMEPLATE menu
☐ Motor speed: RPM of electrical motor
☐ Main voltage: Voltage (V) and frequency (Hz) of mains
☐ Current: Current (A) absorbed by the motor
☐ Temperature: Temperature (°C), inside the electronic compartment
☐ Time: Present time
☐ Date: Present date
☐ Alarm: List of present alarms (see chapter ‘Maintenance’ and ‘Troubleshooting’)
☐ Warning: List of present warnings (see chapter ‘Maintenance’ and ‘Troubleshooting’)
☐ Ktemp: Temperature factor
☐ Mot temp: Temperature (°C) of the electrical motor
☐ Term temp: Temperature (°C) inside the terminal board compartment
☐ Log status: Data logger status (off, ready, in progress: E: event number - n° of memory cycle or R: sample number - n° of memory cycle)
☐ Wireless report: Bluetooth™ interface status (available, not available)
☐ Node report: Report of BUS interface card (only present if the bus card is present) (see the relevant instruction manual)
☐ FDI report: Report of FDI function (only present if the LonWorks bus card is present) (see the relevant instruction manual)
☐ Base report: Base card report
• Card code
• Manufacturing week and year
• Electrical diagram, etc
☐ Term report: Terminal board card report
• Card code
• Manufacturing week and year
• Electrical diagram, etc
☐ Ain/aout report: Ain/Aout card report (only present if the card is present)
• Card code
• Manufacturing week and year
• Electrical diagram, etc.
☐ EFS report: EFS card report
• Card code
• Manufacturing week and year
• Electrical diagram, etc
• EFS status: ready, not ready
• Base-EFS error counter
• Coil of clutch: ON,OFF
• Manual switch: AUTO, MANUAL
• Last PST result: passed, reset, failed, OV-TR, T-PST, T-RET
• Next PST: date
• Temperature: °C
• Mushroom push button: ON, OFF
• Heater: ON, OFF
• T-PST: (T-PST-baseline), last-T-PST, in sec
• T-RET: (T-RET-baseline), last-T-RET, in sec
• OV-TR: (OV-TR-baseline), last-OV-TR, in % of opening
The warning condition occurs when a variable reaches a critical value and/or a maintenance action is required, but the actuator control functions
are still available. The alarm condition occurs when a variable is out of the acceptable range and the actuator control functions are not available.
Thealarm and warning lists only contain the present alarms and warnings. When the fault condition disappears, the corresponding alarm or
warning disappears from the list. A reset routine is provided to clear the type of alarm/warning that are memorized (overtorque, jammed valve, etc.).
The following drawing shows the use of the OPEN/YES, CLOSE/NO and STOP push buttons in function of the local selector position.