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Siemens SIMATIC TDC 6DD1607-0EA2 EXM 448-2 Expansion Module
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- Overview
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Overview
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6DD1607-0EA2 EXM 448-2 communications expansion module
Universal communications expansion for FM 458-1 DP with up to two SIMOLINK fiber-optic connections and synchronous coupling.
At a Glance
| Manufacturer | Siemens |
|---|---|
| Article Number | 6DD1607-0EA2 |
| Product Type | EXM 448-2 communications expansion module |
| Core Function | Adds SIMOLINK and synchronous-coupling communication to FM 458-1 DP |
| Application / Compatible Series | FM 458-1 DP high-performance control configurations |
Product Overview
The EXM 448-2 is a plug-in expansion module for the FM 458-1 DP application module. It extends the controller with SIMOLINK fiber-optic communication and synchronous-coupling functions for high-performance control systems.
Before installation, verify the FM 458-1 DP hardware configuration, option-slot assignment, fiber topology and whether another SIMOLINK option is already fitted.
Key Functions
Communications Expansion
Extends an FM 458-1 DP through its option-module interface.
SIMOLINK Connectivity
Supports as many as two SIMOLINK fiber-optic connections.
Synchronous Coupling
Provides hardware support for deterministic controller coupling.
Official Specifications
| Module Designation | EXM 448-2 |
|---|---|
| Module Function | Universal communications expansion |
| Host Module | FM 458-1 DP |
| SIMOLINK Connections | Up to 2 |
| Transmission Medium | Fiber optic |
| Synchronous Coupling | Supported |
| Supply Voltage | 5 V DC |
| Slot Requirement | 1 option slot |
| Approximate Weight | 0.9 kg |
| Installation Type | Plug-in expansion module |
| Option Interaction | A second SIMOLINK link is unavailable with a MASTERDRIVES option board fitted |
| System Platform | SIMATIC TDC / FM 458-1 DP |
Frequently Asked Questions
Which controller accepts the 6DD1607-0EA2 expansion module?
It installs in an FM 458-1 DP application module using the designated option interface.
How many SIMOLINK links can 6DD1607-0EA2 provide?
The hardware supports up to two fiber-optic SIMOLINK connections when no conflicting option-board arrangement is present.
What limitation applies when 6DD1607-0EA2 is used with a MASTERDRIVES option board?
The second SIMOLINK connection is not available in that combined configuration.
What should be checked before inserting 6DD1607-0EA2?
Isolate the system, observe ESD precautions and verify the host module, option slot, firmware and planned fiber topology.
How should the fiber links on 6DD1607-0EA2 be commissioned?
Check transmit and receive direction, optical connectors, ring or line topology, node assignments and configured communication timing.
Where is synchronous coupling used with 6DD1607-0EA2?
It supports deterministic data exchange between high-performance controllers in coordinated drive and process-control applications.
Which diagnostics help verify 6DD1607-0EA2 after installation?
Review the host-module diagnostics, communication status, optical link state and configured data exchange under safe operating conditions.
