6DD1645-0AE1

Product Overview

Siemens 6DD1645-0AE1 is a high-performance EP3.1 Signal Processor Module designed for the SIMADYN D Digital Control System.

Technical Specifications

Core Processing & Memory
Clock Frequency: 66 MHz (EP3 variant operates at 54 MHz)
Working Memory: 128k × 24-bit RAM
Logic/Pre-processing: 3 XC4013 FPGA units for interrupt handling, signal conditioning, and hardware logic functions

Interfaces & Communication
Backplane Bus: L-Bus with 4k × 16-bit dual-port RAM for rack communication
Serial Communication: 85C30 dual-channel serial controller
Technology Card Slots: X51 and X52 expansion interfaces for plug-in technology modules
Service Port: 9-pin Sub-D diagnostic interface (X5)

Onboard Input / Output
Binary I/O (X6): 8 digital inputs and 4 digital outputs via 15-pin micro Sub-D connector
Analog Outputs (X7): 8 analog outputs via 20-core ribbon connector

System Diagnostics & Safety
Watchdog Timer: Hardware monitoring with RDYIN control for fault protection
Status Indication: H10 and H11 LED indicators for system diagnostics
Manual Control: S1 reset and acknowledge pushbutton
Memory Expansion: External memory card slot support

Physical Characteristics
Slot Width: Single-slot module for SIMADYN D subrack systems
Origin: Germany
System Family: SIMADYN D / SIMATIC TDC platform

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