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                                                                                                                                                                                              • ABB 2TLA010028R2000 RT7A 1.5s 24DC Safety Relay

                                                                                                                                                                                                Product Overview

                                                                                                                                                                                                The ABB 2TLA010028R2000 is an RT7A 1.5s 24DC Safety Relay from ABB Jokab Safety. It is designed for monitoring and controlling safety circuits in industrial machinery, providing reliable safety switching for devices such as emergency stops, safety interlock switches, safety light curtains, safety mats, and enabling devices.

                                                                                                                                                                                                This module provides time-delayed safety outputs and is used to achieve high-level machine safety protection in accordance with industrial safety standards.

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                                                                                                                                                                                                Main Specifications

                                                                                                                                                                                                • Manufacturer: ABB
                                                                                                                                                                                                • Model: 2TLA010028R2000
                                                                                                                                                                                                • Series: Jokab Safety RT7A
                                                                                                                                                                                                • Product Type:
                                                                                                                                                                                                  • Safety Relay
                                                                                                                                                                                                  • Safety Monitoring Relay
                                                                                                                                                                                                  • Machine Safety Control Module
                                                                                                                                                                                                • Supply Voltage: 24 VDC
                                                                                                                                                                                                • Mounting: DIN Rail Mount
                                                                                                                                                                                                • Connection Type: Screw Terminals
                                                                                                                                                                                                • Protection Rating: IP20
                                                                                                                                                                                                • Safety Category: Category 4 (ISO 13849-1)
                                                                                                                                                                                                • Operating Temperature: -10°C to +55°C
                                                                                                                                                                                                • Weight: Approx. 0.4 kg

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                                                                                                                                                                                                Output Specifications

                                                                                                                                                                                                • Safety Outputs:
                                                                                                                                                                                                  • 2NO + 2NO delayed outputs
                                                                                                                                                                                                  • 1NC auxiliary output
                                                                                                                                                                                                • Time Delay:
                                                                                                                                                                                                  • 1.5 seconds delayed output
                                                                                                                                                                                                • Safety Applications:
                                                                                                                                                                                                  • Emergency stop circuits
                                                                                                                                                                                                  • Safety door switches
                                                                                                                                                                                                  • Light curtains
                                                                                                                                                                                                  • Safety mats
                                                                                                                                                                                                  • Enabling switches

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                                                                                                                                                                                                Technical Functions

                                                                                                                                                                                                The ABB RT7A safety relay provides:

                                                                                                                                                                                                • Monitoring of dual-channel safety inputs
                                                                                                                                                                                                • Safety circuit evaluation
                                                                                                                                                                                                • Emergency stop monitoring
                                                                                                                                                                                                • Safety device fault detection
                                                                                                                                                                                                • Delayed machine shutdown control
                                                                                                                                                                                                • Safe interruption of hazardous motion

                                                                                                                                                                                                Working principle:

                                                                                                                                                                                                Safety Device (E-stop / Light Curtain / Door Switch) → RT7A Safety Relay → Contactor / Drive Enable → Machine Safety Control

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                                                                                                                                                                                                Features & Advantages

                                                                                                                                                                                                • Original ABB Jokab Safety component
                                                                                                                                                                                                • Supports Category 4 safety applications
                                                                                                                                                                                                • Compatible with multiple safety devices
                                                                                                                                                                                                • Provides delayed safety outputs
                                                                                                                                                                                                • DIN rail installation for easy cabinet mounting
                                                                                                                                                                                                • Reliable safety monitoring function
                                                                                                                                                                                                • Reduces wiring complexity
                                                                                                                                                                                                • Suitable for industrial machine protection

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                                                                                                                                                                                                Applications

                                                                                                                                                                                                Used in:

                                                                                                                                                                                                • Industrial automation equipment
                                                                                                                                                                                                • Robot cells
                                                                                                                                                                                                • CNC machines
                                                                                                                                                                                                • Packaging machinery
                                                                                                                                                                                                • Conveyor systems
                                                                                                                                                                                                • Manufacturing production lines

                                                                                                                                                                                                Typical applications:

                                                                                                                                                                                                • Emergency stop monitoring
                                                                                                                                                                                                • Safety door protection
                                                                                                                                                                                                • Light curtain monitoring
                                                                                                                                                                                                • Machine access control
                                                                                                                                                                                                • Motor shutdown safety circuits

The structure and details of the product：