Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Optimum power | 1.2 kW |
| Optimum speed | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Encoder system | Absolute Encoder AM20DQI: 20 bits + 12 bits multi-turn |
| Encoder interface | DRIVE-CLiQ |
| Cooling | Natural cooling |
| Mounting design | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Holding brake | Permanent-magnet brake; holding torque 4.0 Nm |
| Degree of protection | IP65 and DE flange IP67 |
Key Features
- Motor designation: SIMOTICS S synchronous motor 1FK7-HD with 1.2 kW optimum power.
- Performance: Optimum speed: 3,000 rpm; rated speed (100 K): 3,000 rpm; rated torque (100 K): 3.7 Nm.
- Encoder feedback: Absolute Encoder AM20DQI with 20 bits (resolution 1048576, encoder-internal 512 S/R) plus 12 bits multi-turn (traversing range 4096 revolutions), with DRIVE-CLiQ interface.
- Mechanical configuration: Naturally cooled, design IM B5 (IM V1, IM V3), with a rotatable flange 1 power connector, fitted Feather key, and holding brake.
- Connections and protection: M23 connectors for rotatable signals and power; degree of protection IP65 and DE flange IP67.
Frequently Asked Questions
Which specifications distinguish Siemens 1FK7044-4CF71-1RB2?
The variant has 1.2 kW optimum power, 3,000 rpm optimum speed, an absolute Encoder AM20DQI with 20 bits plus 12 bits multi-turn, a holding brake, natural cooling, IM B5 (IM V1, IM V3) design, M23 connectors, and IP65 with DE flange IP67.
What encoder and interface should be checked for this exact code?
Check the absolute Encoder AM20DQI: 20 bits with resolution 1048576 and encoder-internal 512 S/R, plus 12 bits multi-turn with a traversing range of 4096 revolutions and a DRIVE-CLiQ interface.
What brake and shaft details identify the configuration?
It has a permanent-magnet holding brake with 4.0 Nm holding torque and a shaft end with fitted Feather key.
What quantity and destination should be provided for a quotation?
Provide the required quantity and destination together with the complete order number 1FK7044-4CF71-1RB2.
