1FK7105-5AC71-1DG5 Siemens 1FK7 servo motor

The exact source identifies 1FK7105-5AC71-1DG5 as a Siemens 1FK7 servo motor. The servo motor supplies controlled rotary motion to a machine axis when driven by a compatible servo drive.

Verified system role

Rebuilt from individual evidence

Evidence and limits

The exact source identifies 1FK7105-5AC71-1DG5 as a Siemens 1FK7 servo motor.

The servo motor supplies controlled rotary motion to a machine axis when driven by a compatible servo drive.

Unknown: installation-specific drive compatibility, firmware, wiring, condition, and replacement suitability.

Exact reference: 1FK7105-5AC71-1DG5
Category: Motors / Servo
Evidence checked: 2026-09-11

System role

This section explains what the product does and where it acts in the surrounding system.

Function: The servo motor supplies controlled rotary motion to a machine axis when driven by a compatible servo drive.
System position: The servo motor sits between the compatible servo drive and the machine load in the motion chain.
Upstream / inputs: The compatible servo drive supplies controlled electrical input to the motor.
Downstream / outputs: The motor shaft transfers controlled rotary motion to the machine load.
Limitations: Unknown: installation-specific drive compatibility, firmware, wiring, condition, and replacement suitability.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The exact source identifies 1FK7105-5AC71-1DG5 as a Siemens 1FK7 servo motor.
Confidence: medium
- www.radwell.com — retrieved 2026-09-11; medium confidence
The servo motor supplies controlled rotary motion to a machine axis when driven by a compatible servo drive.
Confidence: medium
- www.radwell.com — retrieved 2026-09-11; medium confidence

Inferences

Inferred system position: the servo motor sits between the compatible servo drive and the machine load in the motion chain.
Confidence: medium
Rationale: The exact-reference evidence identifies a servo motor and documents its controlled-motion role; the adjacent drive-to-load position is an explicit system inference.
- www.radwell.com — retrieved 2026-09-11; medium confidence

Unknowns

Unknown: installation-specific drive compatibility, firmware, wiring, condition, and replacement suitability.
Confidence: low
Missing evidence: No installed-system drive, firmware, wiring, condition, or replacement assessment was captured in this individual lookup.

System position diagram

A compatible servo drive sends controlled input to the 1FK7105-5AC71-1DG5 servo motor, which transfers rotary motion to a machine load. — The servo motor is shown between the compatible servo drive and the machine load.

View Mermaid source

flowchart LR; Drive[Compatible servo drive] --> Motor[1FK7105-5AC71-1DG5 servo motor]; Motor --> Load[Machine load]

View diagram labels

Nodes: Compatible servo drive; 1FK7105-5AC71-1DG5 servo motor; Machine load
Edges: Controlled electrical input; Controlled rotary motion

Next action

The captured evidence supports the documented Siemens 1FK7 servo-motor role; confirm the installed system before replacement.

Unknown: confirm the installed drive, firmware, wiring, condition, and replacement suitability before purchase or installation.

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