Product Details
Overview
The 1756-TIME (1756-TIME) is a precision time synchronization module designed for the ControlLogix® platform. It serves as a highly accurate time reference for industrial networks, utilizing Global Positioning System (GPS) technology or Precision Time Protocol (PTP) to synchronize controllers across a distributed architecture. This module is essential for applications requiring precise sequence-of-events (SOE) recording, coordinated motion control, or synchronized data logging across multiple chassis. By providing a unified "Grandmaster" clock, the 1756-TIME (1756-TIME) eliminates time drift and ensures data integrity throughout the enterprise.
Detailed Technical Specifications
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Primary Function: System Time Coordination and Clock Synchronization
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Backplane Power Requirements: 1.01A @ 5.1V DC and 2.64 mA @ 1.2V DC
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Thermal Management: Max surrounding air temp of +50 °C (+122 °F) in Series B Chassis; +60 °C (+140 °F) in Series C Chassis
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Environmental Humidity: 5% to 95% (non-condensing) per IEC 60068-2-30
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EMI/RFI Emissions: Compliant with IEC 61000-6-4 standards
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ESD Immunity (IEC 61000-4-2): 4 kV contact; 8 kV air discharge
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EFT/B Immunity (IEC 61000-4-4): ±2 kV at 5 kHz on both signal and communication ports
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Radiated/Conducted RF Immunity: 10V rms with 1 kHz sine-wave 80% AM (150 kHz…80 MHz)
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Wiring Classification: Category 2 for signal and communication ports
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Physical Enclosure: Open-style (None)
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Module Dimensions: 14.52cm x 3.46cm x 13.96cm
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Shipping Mass: Approximately 3 kg
Operational Capabilities and Precision
The 1756-TIME (1756-TIME) module provides a versatile interface for time distribution, supporting NTP (Network Time Protocol) as well as the high-precision IEEE 1588 PTP standard. It is equipped with an onboard battery-backed real-time clock to maintain synchronization during power cycles. In large-scale systems, this module acts as the synchronization anchor, ensuring that all 1756-series I/O and controllers share a nanosecond-resolution time stamp, which is critical for fault analysis and power utility applications.
Technical FAQ
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Does this module require an external antenna?Yes, when utilized as a GPS time source, the 1756-TIME (1756-TIME) requires a compatible external GPS antenna and a clear line of sight to the sky to lock onto satellite signals.
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Can the module function without a GPS signal?Yes, it can act as a PTP slave, synchronizing its clock to another Grandmaster clock on the Ethernet/IP network, or it can operate based on its internal high-stability oscillator.
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Is there a difference in thermal performance between chassis series?Correct. The improved airflow and design of the ControlLogix Series C chassis allow the 1756-TIME (1756-TIME) to operate at a higher ambient temperature (+60 °C) compared to the Series B chassis (+50 °C).
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.