A‑B 1440‑TB‑H

Product Introduction: The 1440‑TB‑H is a dedicated terminal base unit for Allen‑Bradley XM series machinery condition monitoring modules. It provides standardized field wiring termination interfaces for vibration transducers, tachometer sensors, relay outputs, DeviceNet communication and 24 VDC power supply, realizing physical connection and signal conditioning between XM measurement modules and field‑side equipment.

Category:
Description

Technical Specifications: Power Supply: 24 VDC, maximum backplane current 350 mA; Relay Output Rating: 120 V AC 0.5 A, 30 V DC 1.5 A; Communication Interface: DeviceNet + RS‑232 auxiliary port; Wire Gauge Range: 0.34 mm²‑2.1 mm²; Operating Temperature: ‑40 °C ~ +85 °C; Dimensions: 97mm×94mm×94mm; Weight: 0.42kg.

Function Features: Supports DIN‑rail and panel dual mounting modes; side inter‑connector realizes bus signal cascading; channel‑to‑backplane electrical isolation; compatible full XM plug‑in modules; supports hot‑swap of upper measurement modules.

Application Scenarios: Rotating machinery vibration monitoring for fans, pumps, turbines and compressors; industrial plant predictive maintenance cabinet; workshop machinery fault early warning system.

Performance Parameters: Isolation voltage 250V continuous; backplane total inter‑connect max current 3A; DeviceNet bus max current 300mA.

Material Composition: UL94‑V0 flame‑retardant polycarbonate housing; copper alloy screw terminals; FR‑4 industrial PCB; tin‑plated contact pins.

Structural Features: Open rack‑mount structure; front wiring terminals; upper module slot; side interlocking connectors for cascading; integrated status LED indicators.

Working Principle: Distribute 24VDC power to upper modules and relay circuits after power input; transmit field sensor signals to XM modules via terminals; realize system data interaction through side DeviceNet bus connectors.

Installation Requirements: Install on standard 35mm DIN‑rail with reliable cabinet grounding; use class‑2 isolated 24VDC power; separate power and signal wiring; reserve 20mm surrounding clearance for heat dissipation.

Precautions: Do not exceed specified terminal screw torque; use copper field wires only; avoid corrosive gas and strong vibration environment; configure bus terminating resistors at both ends of DeviceNet bus.

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