Product Description
Key Features
- Positioning module identity: SIMATIC S7-400 FM 451 positioning module for rapid/slow traverse drives with 3 channels.
- Digital I/O capacity: 12 digital inputs and 12 digital outputs, with 4 inputs and 4 outputs per axis.
- Encoder interfaces: Connectable encoders: incremental encoder (symmetrical), incremental encoder (asymmetrical), and absolute encoder (SSI).
- Supply and current: Rated supply voltage: 24 V DC. Typical input current: 550 mA.
- Configuration package: Includes a configuration package on CD.
- Product lifecycle: Announcement of product phase-out.
Applications
- Positioning with rapid/slow traverse drives: Supports reference cams, reversing cams, flying actual value setting, and start/stop positioning.
Technical Summary
| Order number | 6ES7451-3AL00-0AE0 |
|---|---|
| Module | SIMATIC S7-400 FM 451 positioning module |
| Channels | 3 |
| Rated supply voltage | 24 V DC |
| Digital inputs | 12; 4 per axis |
| Digital outputs | 12; 4 per axis |
| Connectable encoders | Incremental encoder (symmetrical), incremental encoder (asymmetrical), absolute encoder (SSI) |
| Input frequency, max. | 1 MHz |
| Front connector | 1x 48-pin |
| Product lifecycle | Announcement of product phase-out |
Frequently Asked Questions
What order number should be confirmed for this FM 451 module?
Confirm the complete order number 6ES7451-3AL00-0AE0 on the nameplate or installed-part documentation.
How many channels and digital I/O points does the module have?
It has 3 channels, 12 digital inputs, and 12 digital outputs; there are 4 inputs and 4 outputs per axis.
Which encoder types can be connected?
It supports incremental encoder (symmetrical), incremental encoder (asymmetrical), and absolute encoder (SSI).
What connector is required?
The required front connector is 1x 48-pin.
What lifecycle information should be considered?
The supplied lifecycle data is Announcement of product phase-out; confirm quantity, destination, requested date, and condition preference for the inquiry.
