Product Short Description
Product Name: Allen-Bradley 1440-TB-H Direct Vibration Terminal Base
Product Introduction:
The 1440-TB-H is a specialized terminal base within the Rockwell Automation XM series, engineered specifically for XM-160, XM-161, and XM-162 Overall Vibration monitoring modules. It provides a structured, reliable field-wiring interface that preserves dynamic vibration signal integrity from the sensor to the monitoring module.
Description
Technical Specifications:
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Brand: Allen-Bradley / Rockwell Automation
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Series: XM
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Type: Direct vibration terminal base
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Compatible Modules: XM-160, XM-161, XM-162
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Mounting: DIN rail / panel mount
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Dimensions: 97 mm × 94 mm × 94 mm
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Weight: 0.172 kg (supplier data); approximately 1 kg (alternative listing)
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Supply (with paired module): 24V DC, 0.19A to 0.31A depending on module variant
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Rated Extra-Low Voltage I/O: 4–20 mA
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Maximum Ambient Temperature: 65 °C
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Temperature Code: T4A
Certifications:
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Hazardous Location Rating: Class I, Division 2, Groups A, B, C, D
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Standards: CAN/CSA-C22.2 No. 0-10
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Marking: CSA Mark (C and US indicators)
Material & Structural Features:
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Open-type equipment designed to be mounted inside a suitable end-use system enclosure
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Screw-clamp termination for secure field wiring
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Dedicated vibration signal terminals optimized to minimize signal loss and interference
Working Principle:
The terminal base receives dynamic analog signals from vibration sensors (accelerometers, proximity probes, velocity pickups) via screw terminals. It routes these signals directly to the seated XM vibration monitoring module without intermediate conditioning, preserving signal fidelity. The 4–20 mA outputs and relay contacts are then available for integration with higher-level control systems.
Application Scenarios:
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Rotating machinery vibration monitoring
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Bearings fault diagnosis
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Machinery performance analysis
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Power generation, petrochemical, steel, paper, and food processing industries
Installation Requirements:
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Must be installed inside a tool-accessible enclosure suitable for Class I, Div 2 hazardous locations
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Field wiring leaving the enclosure must use wiring methods appropriate for Class I, Div 2
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DIN rail mounting recommended for secure mechanical fixation
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Follow control drawings specified in the certification documentation (e.g., 51263, 51264)
Usage Notes:
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This is an open-type device — it must not be operated without a protective enclosure
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Maximum ambient temperature must not exceed 65 °C
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Verify the paired XM module variant (XM-160/XM-161/XM-162) before installation
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The terminal base alone does not perform measurement; it operates only with the compatible XM module seated on top
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