Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor, 1FK7-HD |
|---|---|
| Order number | 1FK7043-4CH71-1FH2 |
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 2.6 Nm |
| Encoder system | Absolute encoder AM22DQ, 22 bits + 12 bits multi-turn |
| Interface | DRIVE-CLiQ |
| Mounting design | IM B5 (IM V1, IM V3) |
| Protection rating | IP65 and DE flange IP67 |
| Holding brake supply | DC 24 V ± 10 % |
Key Features
- Product designation: SIMOTICS S synchronous motor, 1FK7-HD family, product code 1FK7043-4CH71-1FH2.
- Power and speed: Optimum power: 1.2 kW; rated speed (100 K): 4,500 rpm; rated torque (100 K): 2.6 Nm.
- Encoder system: Absolute encoder AM22DQ with 22 bits, 4,194,304 resolution, encoder-internal 2048 S/R, and 12 bits multi-turn over 4096 revolutions; DRIVE-CLiQ interface.
- Mechanical configuration: Natural cooling, IM B5 (IM V1, IM V3) design, plain shaft, and permanent-magnet holding brake.
- Connections and protection: Rotatable M23 power connector and rotatable signal and power connectors; protection rating IP65 and DE flange IP67.
- Holding brake supply: DC 24 V ± 10 % supply, 4.0 Nm holding torque, 0.5 A coil current, 70 ms opening time, and 30 ms closing time.
Frequently Asked Questions
What product does Siemens 1FK7043-4CH71-1FH2 identify?
It identifies a SIMOTICS S 1FK7-HD permanent-magnet synchronous motor.
Which specifications distinguish this exact motor variant?
The listed variant has 1.2 kW optimum power, a 22-bit absolute encoder with 12-bit multi-turn, a DRIVE-CLiQ interface, a holding brake, plain shaft, IM B5 (IM V1, IM V3) design, and IP65 protection with DE flange IP67.
What encoder and connection details should be checked?
Check encoder AM22DQ, 22 bits + 12 bits multi-turn, the DRIVE-CLiQ interface, and the rotatable M23 power connector.
What code and nameplate details are needed for quotation?
Provide the complete order number 1FK7043-4CH71-1FH2 together with the nameplate details and required quantity and destination.
