3381 Triconex PI3381 Pulse Input Module

Feature Specifications:

• Points: 6, channel-isolated, commoned ground
• Input Type: Differential
• Sensor Compatibility: Magnetic, active, open collector
• Maximum Operating Voltage: ±33 V DC
• Minimum Operating Voltage:
  • Differential: 500 mV P-P (2 Hz to 32,000 Hz), 1 V P-P (0.5 Hz to 2 Hz)
  • Single-ended: 1 V P-P (2 Hz to 32,000 Hz), 2 V P-P (0.5 Hz to 2 Hz)
• Speed Range: 0 to 32,000 RPM
• Input Frequency Range: 0.5 Hz to 32 kHz
• Duty Cycle: 20% to 80%, or 10 µs minimum pulse width
• Maximum Continuous Slew Rate:
  • 4,000 Hz/sec with 60 gear teeth
  • 4,000 RPM/sec with 60 gear teeth
• Number of Gear Teeth: 1–255
• Termination Resistor: Baseplate configurable
• Pull-up Resistor: Baseplate configurable
• Resolution: 24 bits
• Absolute Error:
  • ± 0.01% (2,000 to 32,000 Hz)
  • ± 0.1% (0.5 to 2,000 Hz)
• Measurement Algorithm: Gear multiple tracking
• Diagnostic: Precision reference test
• Minimum Scan Update Rate: 20 ms
• Functional-to-Protective-Earth Isolation: 500 V DC, minimum
• Functional-to-Functional-Earth (Logic) Isolation: 800 V DC, minimum