Siemens 6ES7452-1AH00-0AE0
FM 452 electronic cam controller, 16 cam tracks
Image is for illustrative purposes only. Please refer to product description.
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Siemens SIMATIC S7-400 FM 452 electronic cam controller: 16 cam-track outputs, 11 digital inputs, incremental or SSI absolute encoder, configuration package on CD.
- Manufacturer
- Siemens
- Manufacturer part no.
- 6ES7452-1AH00-0AE0
- Product family
- SIMATIC S7-400 PLC CPUs, I/O and Function Modules
- Type
- Cam controller module
- Lifecycle
- Discontinued
- OEM successor
- Not stated
- Technical datasheet
- Data sheet
Technical specifications
- Manufacturer
- Siemens
- Manufacturer part no.
- 6ES7452-1AH00-0AE0
- Type
- Cam controller module
- Application
- Electronic cam controller
- Used with
- SIMATIC S7-400 rack
- Supply voltage / Rated value (DC)
- 24 V
- Input current / Current consumption, max.
- 500 mA
- 5 V encoder supply / 5 V
- Yes
- 5 V encoder supply / Output current, max.
- 300 mA
- 5 V encoder supply / Cable length, max.
- 32 m
- 24 V encoder supply / 24 V
- Yes
- 24 V encoder supply / Output current, max.
- 300 mA
- 24 V encoder supply / Cable length, max.
- 100 m
- Power loss, typ.
- 8.1 W
- Number of digital inputs
- 11
- Digital inputs / Functions
- Reference point switch, flying actual value setting/length measurement, brake release, enable track output no. 3 to 10
- Input voltage / Rated value (DC)
- 24 V
- Input voltage / for signal "0"
- -28.8 ... +5V
- Input voltage / for signal "1"
- +11 to +28.8V
- Input current / for signal "0", max. (permissible quiescent current)
- 2 mA
- Input current / for signal "1", typ.
- 9 mA
- Number of digital outputs
- 16
- Digital outputs / Functions
- Cam track
- Digital outputs / Short-circuit protection
- Yes
- Output voltage / Rated value (DC)
- 24 V
- Output voltage / for signal "1", min.
- UP - 0.8 V
- Output current / for signal "1" permissible range for 0 to 55 °C, max.
- 600 mA; with UPmax
- Output current / for signal "0" residual current, max.
- 0.5 mA
- Connectable encoders / Incremental encoder (symmetrical)
- Yes
- Connectable encoders / Incremental encoder (asymmetrical)
- Yes
Show all 58 specificationsShow fewer
- Connectable encoders / Absolute encoder (SSI)
- Yes
- Connectable encoders / 2-wire sensor
- Yes
- Encoder signals, incremental encoder (symmetrical) / Trace mark signals
- A, notA, B, notB
- Encoder signals, incremental encoder (symmetrical) / Zero mark signal
- N, notN
- Encoder signals, incremental encoder (symmetrical) / Input voltage
- 5 V difference signal (phys. RS 422)
- Encoder signals, incremental encoder (symmetrical) / Input frequency, max.
- 1 MHz
- Encoder signals, incremental encoder (asymmetrical) / Trace mark signals
- A, B
- Encoder signals, incremental encoder (asymmetrical) / Zero mark signal
- N
- Encoder signals, incremental encoder (asymmetrical) / Input voltage
- 24 V
- Encoder signals, incremental encoder (asymmetrical) / Input frequency, max.
- 50 kHz; 50 kHz for 25 m cable length; 25 kHz for 100 m cable length
- Encoder signals, absolute encoder (SSI) / Input signal
- 5 V difference signal (phys. RS 422)
- Encoder signals, absolute encoder (SSI) / Data signal
- DATA, notDATA
- Encoder signals, absolute encoder (SSI) / Clock signal
- CL, notCL
- Encoder signals, absolute encoder (SSI) / Telegram length, parameterizable
- 13 or 25 bit serial
- Encoder signals, absolute encoder (SSI) / Clock frequency, max.
- 1 MHz
- Encoder signals, absolute encoder (SSI) / Gray code
- Yes
- Encoder signals, absolute encoder (SSI) / Cable length, shielded, max.
- 300 m; at max. 125 kHz
- Potential separation digital inputs / Potential separation digital inputs
- No
- Potential separation digital outputs / Potential separation digital outputs
- No
- Ambient temperature during operation / min.
- 0 °C
- Ambient temperature during operation / max.
- 55 °C
- Ambient temperature during storage/transportation / min.
- -40 °C
- Ambient temperature during storage/transportation / max.
- 70 °C
- required front connector
- 1x 48-pin
- Width
- 25 mm
- Height
- 290 mm
- Depth
- 210 mm
- Weight, approx.
- 650 g
Technical documents (1)
Key features
- 16 cam-track outputs, up to 600 mA
- 11 digital inputs, such as reference point switch, length measurement and brake release
- Incremental encoders up to 1 MHz or SSI absolute encoders
- 5 V and 24 V encoder supplies
- Discontinued by Siemens on 1 October 2026
About the Siemens 6ES7452-1AH00-0AE0
The Siemens 6ES7452-1AH00-0AE0 is the FM 452, the electronic cam controller of the S7-400, with 16 cam-track outputs; the S7-300's FM 352 (6ES7352-1AH02-0AE0) has 13. Siemens's data sheet gives 11 digital inputs, incremental encoders up to 1 MHz or SSI absolute encoders, 5 V and 24 V encoder supplies and 8.1 W typical power loss. SiePortal shows its phase-out announced on 1 October 2025 and its product cancellation on 1 October 2026.
What is the 6ES7452-1AH00-0AE0 used for?
It switches outputs at set positions of a machine shaft or axis, read from an encoder.
Lifecycle and successor
Discontinued.
Before you order
What to photograph or confirm so the right unit is quoted.
Check the order number and firmware version on the module, and note the encoder type connected.
Other parts in the Siemens SIMATIC S7-400 family
Listed for reference. They differ from the 6ES7452-1AH00-0AE0 in rating, supply, interface or function and are not interchangeable with it unless Siemens says so. Match the part number on your unit.
| Product | Type | Lifecycle | Qty Available | Price | Action |
|---|---|---|---|---|---|
| Siemens 6ES7431-7QH00-0AB0SM 431 analog input, 16 AI, 16 bit, universal, diagnostics | Analog input module | Discontinued | On Request | On request | View |
| Siemens 6ES7431-7KF00-0AB0SM 431 analog input, 8 AI, 16 bit, U/I/thermocouple | Analog input module | Discontinued | On Request | On request | View |
| Siemens 6ES7431-7KF10-0AB0SM 431 analog input, 8 AI, 16 bit, resistance thermometers | Analog input module | Discontinued | On Request | On request | View |
| Siemens 6ES7431-0HH00-0AB0SM 431 analog input, 16 AI, 13 bit, non-isolated | Analog input module | Discontinued | On Request | On request | View |
| Siemens 6ES7432-1HF00-0AB0SM 432 analog output, 8 AO, 13 bit, U/I | Analog output module | Discontinued | On Request | On request | View |
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| Siemens 6ES7492-1AL00-0AA0Front connector for S7-400 signal modules, 48-pole, screw contacts | Front connector | Discontinued | On Request | On request | View |
| Siemens 6ES7492-1BL00-0AA0Front connector for S7-400 signal modules, 48-pole, spring-loaded contacts | Front connector | Discontinued | On Request | On request | View |
| Siemens 6ES7492-1CL00-0AA0Front connector for S7-400 signal modules, 48-pole, crimp contacts | Front connector | Discontinued | On Request | On request | View |
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