M111-FD-8202

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The M111-FD-8202 from Danaher is part of the Slo-Syn Stepping Motors series and features a round flange design. It operates at approximately 2.3 VDC and has a nominal current rating of 6.1 A. The motor's shaft diameter is 0.375 inches and its operating temperature range is –10°C to +80°C.

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Product Description:

The M111-FD-8202 stepping motor, with its precise design, stands out as a reliable component for varied industrial applications. It operates at a supply voltage of approximately 2.3 VDC, which is common across many automation systems, making it easy to integrate. The motor also delivers a consistent performance through its round flange design. With a nominal current rating of 6.1 A, and capable of reaching 8.6 A at peak in a parallel winding configuration, this motor offers sufficient torque for many movements, even with incremental encoder options.

The M111-FD-8202 provides flexible interface choices so it can adjust properly to distinct automation setups. It has a winding resistance of approximately 0.37 Ω, with inductance measures of 2.3 mH for unipolar and 4.3 mH for bipolar configurations, also at 0.19 mH for secondary parallel winding. These electrical properties enable specific drive circuits that need to be carefully designed, through the use of distinct drivers. Mounting is greatly made simpler, with two #4-40 holes arranged on a 1.812 inch bolt circle. It even boasts a shaft perpendicularity with a 0.005 inch Total Indicator Runout (TIR). This is important for applications needing low wobble or runout. Users should ensure that the shaft endplay ranging from –0.010 in. to –0.060 in..

The M111-FD-8202 is designed to last under different situations. It has an operating temperature range from –10 °C to +80 °C, and it can go even up to +100 °C with the encoder complements. The storage should range from –20 °C to +100 °C, or even at lower if using encoder complements. Along with this, its standard frequency response rests at 100 kHz, giving it a higher responsiveness to control signals.

Encoder type
Incremental, 200/400/500/1250 lines/rev
Flange type
R (round)
Frequency response
100 kHz
Minimum usable shaft length
0.56 in
Mounting holes
2×#4-40 on 1.812 in bolt circle
Nominal current
6.1 A
Operating temperature
-10°C to +80°C (max +100°C with encoder)
Output format
Dual quadrature channels; optional index/complement
Parallel winding inductance
0.19 mH
Peak current (parallel winding)
8.6 A
Shaft diameter
0.375 in
Shaft endplay
-0.060 to -0.010 in
Shaft insertion depth required
0.70 in
Shaft perpendicularity (TIR)
0.005 in
Storage temperature
-20°C to +100°C
Supply voltage
~2.3 V DC
Winding inductance (bipolar)
4.3 mH
Winding inductance (unipolar)
2.3 mH
Winding resistance
0.37 Ω

Frequently Asked Questions about M111-FD-8202:

Q: What is the typical supply voltage for the M111-FD-8202 Slo-Syn Stepping Motor?

A: The typical supply voltage for the M111-FD-8202 Slo-Syn Stepping Motor is approximately 2.3 VDC.

Q: What is the current rating for the M111-FD-8202 Slo-Syn Stepping Motor?

A: The nominal current rating for the M111-FD-8202 Slo-Syn Stepping Motor is 6.1 A, but it can reach up to 8.6 A peak with the parallel winding option.

Q: What are the operating and storage temperature ranges for the M111-FD-8202 Slo-Syn Stepping Motor?

A: The operating temperature range for the M111-FD-8202 Slo-Syn Stepping Motor is –10 °C to +80 °C, and the storage temperature range is –20 °C to +100 °C.

Q: What encoder options are available for the M111-FD-8202 Slo-Syn Stepping Motor?

A: Incremental encoder options are available for the M111-FD-8202 Slo-Syn Stepping Motor, with options for 200, 400, 500, or 1250 lines per revolution.

Q: What is the diameter and minimum usable length of the shaft on the M111-FD-8202 Slo-Syn Stepping Motor?

A: The shaft diameter of the M111-FD-8202 Slo-Syn Stepping Motor is 0.375 inches, and the minimum usable shaft length is 0.56 inches (with 0.70 inches required).


Internal Product Review

  • ‘‘M111-FD-8202 Slo-Syn Stepping Motor impresses with its precise 6.1 A current rating and round flange design. Its ability to support incremental encoders up to 1250 lines ensures accurate positioning in diverse applications.’’

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