DI-8B45

www.DataSheet4U.com DI-8B45 Frequency Input Modules FEATURES Accepts Frequency Input Signals 0 to 100kHz TTL or Zero-Crossing Signal Inputs High Level Voltage Outputs 1500Vrms Transformer Isolation ANSI/IEEE C37.90.1 Transient Protection Input Protected up to 240VAC Continuous 100dB CMR 70dB NMR at 60Hz ±0.10% Accuracy ±0.05% Linearity Low Drift with Ambient Temperature UL, CSA, FM and CE Certifications Pending Mix and Match Module Types SPECIFICATIONS Input Range Input Threshold Typical at TA = +25ºC and +5V Power DI-8B45 0Hz to 100kHz Zero Crossing 200mVp-p 350Vp-p TTL, 170Vp-p Zero Crossing 4µs 0.8V max 2.4V min ±50mV 1.5V 200kΩ 200kΩ 200kΩ 240Vrms max ANSI/IEEE C37.90.1 +5V at 8mA max 1500Vrms max ANSI/IEEE C37.90.1 100dB ±0.10% Span ±0.05% Span ±25ppm/ºC ±100ppm/ºC <10mVp-p at Input >2% Span 300ms (-01); 175ms (-02); 50ms (-03); 30ms (-04); 30ms (-05); 15ms (-06); 15ms (-07); 2ms (-08) 0 to +5V Continuous Short to Ground ANSI/IEEE C37.90.1 +5VDC ±5% 110mA ±50ppm/% 1.11" × 1.65" × 0.40" (28.1mm × 41.9mm × 10.2mm) DESCRIPTION DI-8B modules are an optimal solution for monitoring real-world process signals and providing high level signals to a data acquisition system. Each DI-8B45 module isolates and conditions a frequency input signal and provides an analog voltage output. The frequency input signal can be either a TTL level or zero crossing with as little as ±100mV amplitude. Input circuitry for each signal type has built-in hysteresis to pr...