3500/72M

Overview

3500/72M is a four-channel Recip Rod Position Monitor that processes proximity transducer signals for dynamic and static position measurements with user-programmable alarms.

Inputs

• Signal: Accepts 1 to 4 proximity probe signals
• Input Impedance: 10 kΩ
• Nominal Scale Factor:
  • Rod Position: 0.79 mV/µm (20 mV/mil), 3.94 mV/µm (100 mV/mil), 7.87 mV/µm (200 mV/mil)
  • Rod Position 2, Rod Drop, Hyper Compressor: 3.94 mV/µm (100 mV/mil), 7.87 mV/µm (200 mV/mil)

Power

• Consumption: 7.7 watts, nominal

Outputs

• Front Panel LEDs:
  • OK LED: Indicates proper operation
  • TX/RX LED: Shows communication status within the 3500 rack
  • Bypass LED: Indicates Bypass Mode activation
• Front Buffered Outputs:
  • Buffered Transducer Outputs: Coaxial connectors for each channel, short-circuit protected
  • Output Impedance: 510 Ω
  • Transducer Power Supply: -24 VDC

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