VFD vs Servo Drive: Key Differences
A side-by-side comparison of VFD and servo drive motor type, feedback, dynamic response, overload rating, cost, and applications for industrial engineers.
- Part number
- 6ES7453-3AH00-0AE0
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SIMATIC S7-400Siemens 6ES7453-3AH00-0AE0 SIMATIC S7-400 FM 453 3-Channel Servo/Stepper Motion Controller
SIMATIC S7-400 FM 453 positioning module, 3 channels for servo and stepper motors.
Description
About the 6ES7453-3AH00-0AE0
About the 6ES7453-3AH00-0AE0
The Siemens 6ES7453-3AH00-0AE0 is a SIMATIC S7-400 FM 453 function module for positioning with servo and stepper motors, with 3 independent channels. Each channel outputs a -10 V to +10 V analog setpoint for servo drives or a differential stepper-drive pulse train up to 200 kHz, and accepts incremental or absolute SSI encoder feedback.
Selection Notes
Choose the FM 453 over a rapid/slow traverse positioning module in the same family when the drive needs a continuous analog setpoint or a stepper pulse train rather than discrete run/creep outputs, since this module drives servo amplifiers directly at -10 V to +10 V or steppers at up to 200 kHz. Each of the 3 channels runs independently with its own encoder feedback loop, so mixed servo and stepper axes can share one module.
Applications
Analog servo setpoints combined with a 200 kHz stepper output on 3 channels suit machines that mix servo and stepper axes, such as packaging or converting equipment, controlled directly from an S7-400 rack without a separate motion controller.
Specification
Full specification
Supply voltage 3
| Auxiliary voltage 1L+, load voltage 2L+: Rated value (DC) | 24 V |
|---|---|
| Auxiliary voltage 1L+, load voltage 2L+: permissible range, lower limit (DC) | 20.4 V; Dynamic 18.5 V |
| Auxiliary voltage 1L+, load voltage 2L+: permissible range, upper limit (DC) | 28.8 V; dynamic 30.2 V |
Input current 3
| from load voltage1L+, max. | 1 A; with 24 V position encoder; 1 A for 5 V position encoder |
|---|---|
| from load voltage 2L+ to 4L+, max. | 2 A; Per channel |
| from backplane bus 5 V DC, max. | 1.6 A; Rated current |
5 V encoder supply 5
| ●5V | Yes |
|---|---|
| Output current, max. | 300 mA |
| Cable length, max. | 35 m; at max. 210 mA; 25 m at max. 300 mA |
| 24 V encoder supply: 24 V | Yes |
| 24 V encoder supply: Cable length, max. | 100 m; at max. 300 mA |
Show all 81 specifications ↓ Show less ↑70 more values in Identification, Power loss, Digital inputs, Digital outputs, Encoder, Drive interface, Potential separation, Ambient conditions, Connection method, Dimensions, Version Classification, Approvals / Certificates, China RoHS Miscellaneous Manufacturer Declara- FM tion, Logistics.
Identification 7
| Part number | 6ES7453-3AH00-0AE0 |
|---|---|
| Brand | Siemens |
| Condition | New, factory sealed |
| Source | Siemens and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Phase-out announced by the manufacturer |
| EAN | 4025515129509 |
Power loss 1
| Power loss, typ. | 8 W |
|---|
Digital inputs 6
| Number of digital inputs | 6; for each channel/axis |
|---|---|
| Functions | configurable |
| Input voltage: Rated value (DC) | 24 V |
| Input voltage: for signal "0" | -3 to +5 V (max. 3 mA) |
| Input voltage: for signal "1" | 11 to 30 V (max. 7 mA) |
| Input delay (for rated value of input voltage) for standard inputs: at "0" to "1", max. | 15 µs; via input voltage range, 8 µs at 24 V DC |
Digital outputs 11
| Number of digital outputs | 4; for each channel/axis |
|---|---|
| Functions | configurable |
| Short-circuit protection | Yes |
| Output voltage: Rated value (DC) | 24 V |
| Output voltage: for signal "1", min. | UP - 0,3 V |
| Output current: for signal "1" rated value | 0.5 A; at 40 °C; 0.1 A at 60 °C |
| Output current: for signal "1" permissible range for 0 to 40 °C, min. | 5 mA |
| Output current: for signal "1" permissible range for 40 to 60 °C, min. | 5 mA |
| Output current: for signal "0" residual current, max. | 2 mA |
| Switching frequency: with resistive load, max. | 100 Hz |
| Switching frequency: with inductive load, max. | 0.25 Hz |
Encoder 7
| Connectable encoders: Incremental encoder (symmetrical) | Yes |
|---|---|
| Connectable encoders: Absolute encoder (SSI) | Yes |
| Encoder signals, incremental encoder (symmetrical): Input voltage | 5 V difference signal (phys. RS 422) |
| Encoder signals, incremental encoder (symmetrical): Input frequency, max. | 1 MHz; for 10 m cable length; 0.5 MHz for 35 m cable length |
| Encoder signals, absolute encoder (SSI): Input signal | 5 V difference signal (phys. RS 422) |
| Encoder signals, absolute encoder (SSI): Clock frequency, max. | 1.25 Mbit/s at 10 cable length (2.5 Mbit/s available soon) |
| Encoder signals, absolute encoder (SSI): Cable length, shielded, max. | 250 m; At max. 156 kbit/s |
Drive interface 15
| Signal Input: Type | Drive interface step, signal input "READY 1" |
|---|---|
| Signal Input: Function | "Power section ready" where Ui < 1 V, Ii = 2 mA |
| Analog drive Setpoint signal: Rated voltage range | -10 to +10V |
| Analog drive Setpoint signal: Output current | -3 to +3 mA |
| Analog drive Setpoint signal: Cable length, max. Output controller enable | 30 m |
| Analog drive Setpoint signal: Switching voltage, max. | 50 V |
| Analog drive Setpoint signal: Switching current, max. | 1 A |
| Analog drive Setpoint signal: Switching capacity, max. | 30 V·A |
| Stepper drive: Differential output voltage, min. | 2 V; RL = 100 Ohm |
| Stepper drive: Differential output voltage for signal "0", max. | 1.1 V; Io = 30 mA |
| Stepper drive: Differential output voltage for signal "1", min. | 3.7 V; Io = -30 mA |
| Stepper drive: Load resistance, min. | 55 Ω |
| Stepper drive: Output current, max. | 60 mA |
| Stepper drive: Pulse frequency | 200 kHz; 500 kHz available soon |
| Stepper drive: Cable length, shielded, max. | 35 m; 35 m with symm. transmission; 10 m with asymm. transmission |
Potential separation 2
| Potential separation digital inputs: Potential separation digital inputs | Yes; Optocoupler |
|---|---|
| Potential separation digital outputs: Potential separation digital outputs | Yes; Optocoupler |
Ambient conditions 4
| 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 |
Connection method 1
| required front connector | 1x 48-pin |
|---|
Dimensions 3
| Width | 50 mm |
|---|---|
| Height | 290 mm |
| Depth | 210 mm |
Version Classification 4
| eClass | 16 27-24-22-05 |
|---|---|
| ETIM | 10 EC001422 |
| IDEA | 4 3567 |
| UNSPSC | 15 32-15-17-05 |
Approvals / Certificates 2
| General Product Approval Miscellaneous | For use in hazard- |
|---|---|
| General Product Approval EMV | ous locations |
China RoHS Miscellaneous Manufacturer Declara- FM tion 1
| For use in hazard-Maritime application ous locations | NK / Nippon Kaiji Ky- okai |
|---|
Logistics 6
| Net weight | 1.81 kg |
|---|---|
| Country of origin | DE |
| Shipping weight | 2.31 kg |
| Ships from | Türkiye |
| Dispatch | — |
| Stock | On request |
Source: manufacturer data · Last verified: 01 Nov 2026
Documents
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Quick answers
Questions about the 6ES7453-3AH00-0AE0
What is the rated current of 6ES7453-3AH00-0AE0?
The rated current of 6ES7453-3AH00-0AE0 is 0.5 A.
Which supply voltage is 6ES7453-3AH00-0AE0 rated for?
The rated operational voltage of 6ES7453-3AH00-0AE0 is 24 V AC.
What is the HS code of 6ES7453-3AH00-0AE0 for customs?
The tariff (HS) code on file for 6ES7453-3AH00-0AE0 is 85389091.
What is the EAN of 6ES7453-3AH00-0AE0?
The EAN (GTIN) of 6ES7453-3AH00-0AE0 is 4025515129509.
Where does 6ES7453-3AH00-0AE0 ship from, and how fast?
6ES7453-3AH00-0AE0 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival.
Guides
Guides for servo drives
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Reviews
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Series
Siemens SIMATIC S7-400
- Brand
- Siemens
- Series
- SIMATIC S7-400
