Emerson EPRO MMS 6410 Dual Channel Measuring Amplifier

Technical Data:

Sensor Inputs:

• Number of Inputs: Two independent inputs for inductive sensor in half- or full-bridge configuration and for differential transformers.
• Signal Input Type: Differential inputs, galvanically isolated from the system supply, open circuit, and short circuit proof.
• Max. Input Voltage: 3.6 V (protected against over voltages)
• Nominal Input Voltage Range: 2.5V rms
• Input Impedance: 200 kOhm
• Measuring Ranges:
  • Measuring Frequency Range: 0 to 100 Hz (-3dB)
  • Measuring Range Displacement Measurement: Depending on transducer measuring range; one or both outputs may be inverted.

Sensor Supply:

• Each input includes a separate, buffered output to supply inductive sensors.
• Carrier Frequency: 4.75 kHz
• Nominal Supply Voltage: 4 Vrms
• Permissible Load: 120 to 600 Ohm
• The outputs are balanced to ground, open-circuit, and short-circuit proof.

Control Inputs:

• Common logical binary inputs for the two channels.
• Optocoupler Mode:
  • "Pre-alarm (ALERT)": Open circuit or closed circuit mode
  • "Main alarm (DANGER)": Open circuit or closed circuit mode
  • Channel or module inhibit
• Limit value multiplier for changing alarm limits during run-up and run-down of the machine. The multiplier is adjustable in the range: 1.000 to 4.999
• 24 V logic
• Input Resistance: > 10 kOhm

Key Pulse Input:

• 1 pulse per revolution for analysis purposes of the system:
• 24 V logic
• Input Resistance: > 30 kOhm
• Pulse Duration: min. 10µs (edge-triggered)