Product Overview
Technical Summary
| Product designation | SIMATIC S7-400 FM 451 positioning module for rapid/slow traverse drives |
|---|---|
| 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) |
| Typical input current | 550 mA |
| Configuration package | Included on CD |
| Front connector | 1x 48-pin |
| Product lifecycle | Announcement of product phase-out |
Key Features
- Product designation: SIMATIC S7-400 FM 451 positioning module for rapid/slow traverse drives, with 3 channels.
- Supply and consumption: Rated supply voltage: 24 V DC. Typical input current: 550 mA.
- Digital I/O: 12 digital inputs and 12 digital outputs, with 4 inputs and 4 outputs per axis.
- Encoder interfaces: Supports symmetrical incremental, asymmetrical incremental, and absolute encoder (SSI) connections.
- Encoder supply: 5 V encoder supply: 210 mA maximum with 35 m maximum cable length; 24 V encoder supply: 300 mA maximum with 100 m maximum cable length.
- Configuration and connection: Includes a configuration package on CD and requires 1x 48-pin front connector.
Applications
- Positioning control: Supports reference cams, reversing cams, flying actual value setting, and start/stop positioning.
Frequently Asked Questions
What does Siemens order number 6ES7451-3AL00-0AE0 identify?
It identifies a SIMATIC S7-400 FM 451 positioning module for rapid/slow traverse drives with 3 channels.
Which specifications distinguish this FM 451 variant?
The listed configuration has 24 V DC rated supply, 12 digital inputs, 12 digital outputs, and support for symmetrical incremental, asymmetrical incremental, and absolute encoder (SSI) connections.
What connector is required?
The module requires 1x 48-pin front connector.
What should be checked before requesting a quotation?
Check the complete order number, the module name and supplied configuration, required quantity, and destination.
