Triconex PI3381 PI 3381 TMR Pulse Input Module

Triconex PI3381  Pulse Input Module Specifications

Feature	Specification
Points	6, channel-isolated, commoned ground
Input Type	Differential
Sensor Compatibility	Magnetic, active, open collector
Maximum Operating Voltage	±33 VDC
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
Maximum Continuous RPM Slew Rate	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 VDC, minimum
Functional-to-Functional-Earth Isolation	800 VDC, minimum

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