Product Overview

SIMATIC DP Interface Module IM 151-3 PN HF – 6ES7151-3BA23-0AB0
A spare-part interface module for the SIMATIC ET 200S distributed I/O system, providing robust PROFINET connectivity. Delivers high performance with a maximum transmission rate of 100 Mbit/s, supports up to 63 I/O modules across a 2 m-wide I/O configuration, and includes dual RJ45 bus connections with termination.
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Technical Specifications
Attribute Details
Module Type IM 151-3 PN HF for ET 200S
Transmission Rate Up to 100 Mbit/s
Supported I/O Modules Up to 63 modules, spanning 2 m rear-panel bus
Bus Connections Dual RJ45 ports, includes termination capability
Configuration Method Via dataset support
Power Supply Characteristics Mains buffering—stored energy for voltage failures (~20 ms)
Input Current (1L+) Max. 200 mA
Typical Power Loss ~3.3 W
Addressing Capacity Inputs: 256 bytes; Outputs: 256 bytes
PROFINET Interface Features Auto-negotiation, auto-crossing, integrated 2-port switch
Diagnostics & Messaging Features Supports interrupts for diagnostics, errors, insert/remove, maintenance
Configuration Compatibility Maintains backward compatibility with earlier module versions
Firmware Management Updateable via Micro Memory Card or PROFINET IO
Ambient Temperature (Operating) 0 °C to 60 °C (based on broader ET 200S guidelines)
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Product Lifecycle & Ordering Info

Lifecycle Status: Cancelled—designated as a spare part only; product cancellation effective since 1 October 2023.
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Availability: Only available via Siemens spare-parts channels—consult your local Siemens service or support network for ordering.
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Engineering Insight

Reliable PROFINET Integration: Ideal for maintaining legacy ET 200S installations; it delivers secure, high-bandwidth I/O connectivity with robust diagnostics and redundancy features.

Efficient Data Handling: Compact addressing footprint (256 bytes each for input/output) ensures smooth data transmission with efficient communication overhead.

Smart Fail-Safe Design: Built-in mains buffering provides a brief power hold-up (~20 ms), helping to prevent abrupt failure during voltage fluctuations.

Seamless Upgrade Path: Module is firmware-upgradable and compatible with previous versions—simple replacement without reconfiguration maintains operational continuity.

End-of-Life Planning Required: While still supported as a spare part, engineering teams should begin identifying successor solutions as project lifecycles continue beyond 2023.