RPM Transmitter

Features :

• 4 Digit seven segment LED display
• Wide range 10 – 9999 RPM / RPS / RPH
• 3 to 30V DC Input Pulse from any type Sensor
• Opto isolated Re-transmission analog output 4-20mA or 0-10V DC
• Optional RS 485 (2 wire) MODBUS RTU Protocol communication
• Allows Maximum 3.5 kHz Input Pulse Speed
• 12 V DC Sensor Supply
• Universal Supply Voltage 90 to 270V AC / DC
• RPM / Rate / Frequency Front Key Scalable
• Scale factor & Exponential are Pre-settable
• 2 Relay Output with Front Key Set table Hi & Lo Set points
• Power ON Delay & Hysteresis for Relay Output is Provided
• Speed Monitoring
• Speed Control High & Low Speed Alarm
• Length Measurement & Control
• Line Frequency Monitor & Alarm
• All types of Speed / Rate / Frequency Monitoring & Control Applications

Specification :

• Model: RP 491
• Display: 4 Digit 0.5” 7 segment Red LED
• Accuracy: ± 0.05 % (± 1 count)
• Range: 10 - 9999 RPM / RPS / RPH
• Resolution: 0.001, 0.01, 0.1, 1 RPM / RPS / RPH (selectable)
• Input: 3 - 30V DC from Proximity Sensor, Photoelectric Non Contact Sensor, Encoder, Potential Free Contacts, Limit Switch etc.,.
• Input speed: 3.5 kHz (Max.)
• Scale factor: 0.001 to 9.999
• Exponential: 10n = -3, -2, -1, 0, 1, 2
• Relay output: 2 NO , 2 NC 5A rated Relays(power ON Delay & Hysteresis provided)
• Re-transmission (optional): Opto isolated analog output 4-20mA or 0-10V DC
• Communication (optional): RS 485 (2 wire) MODBUS RTU Protocol
• Sensor supply: 12V DC (±10%) 50mA
• Working temperature: 0 – 50°C
• Power Supply: 90 to 270V AC / DC 50Hz
• Dimension: 96 x 96 x 65 mm
• Weight: 350 grams (Approx.)