Allen-Bradley 1756-TIME | ControlLogix Time Synchronization Module

Overview

The Allen-Bradley 1756-TIME is a ControlLogix Time Synchronization Module. It provides precise time via Global Positioning System (GPS) and integrates seamlessly into industrial automation systems. This module occupies a single chassis slot and supports multiple synchronization protocols including IRIG-B, PTP, NTP, CST, and UTC.

Technical Specifications

• Model Number: 1756-TIME

• Module Type: Time Synchronization Module

• Brand: Allen-Bradley

• Series: ControlLogix

• Slot Width: 1

• Clamp Type: Spring-Clamp

• Pins: 20-Pin Connection

• Built-in Communication Ports: Ethernet, IRIG-B, Antenna

• Status Indicators: PPS, SYNCH, OK

• Weight: 0.3 lb (0.1 kg)

• Backplane Current: 1,200 mA at 5 V DC, 2.5 mA at 24 V DC

• Power Dissipation (Max): 6.19 Watts

• Voltage and Current Rating: 1.01A @ 5.1V DC, 2.64 mA @ 1.2V DC

• Wire Size: 20 AWG

• Isolation Voltage: 30 V continuous, basic insulation, tested 1,000V AC for 60 s

• Enclosure: Open (None)

• Dimensions: 5.51 × 4.41 × 5.71 in (140 × 112 × 145 mm)

• Operating Temperature: 32–140°F (0–60°C)

Key Features

The 1756-TIME supports multi-protocol time synchronization, including IRIG-B over backplane, PTP on Ethernet, NTP over Ethernet, and ControlLogix time conversion for CST and UTC. Its GPS interface ensures highly accurate timing for critical industrial processes.

This module provides flexible connectivity via integrated Ethernet, IRIG-B, and antenna terminals. The 1-slot form factor allows simple installation into any ControlLogix chassis.

Industrial Applications

The Allen-Bradley 1756-TIME is ideal for applications requiring precise time coordination across distributed ControlLogix systems, including manufacturing, energy management, and industrial process automation. Its robust design ensures reliability in standard industrial environments.