Encoders

Dunkermotoren AFS58 Functional Safety Encoder

Name: AFS58 Dunkermotoren AFS58 Functional Safety Encoder
SKU: AFS58

The Dunkermotoren AFS58 is a functional safety encoder certified to SIL 2 and PL d, built for applications where a feedback fault must be detected and handled as part of the machine's safety function rather than by a separate safety device.It mounts directly to Dunkermotoren's BG brushless DC motor range, adding safety-rated position feedback to...

It mounts directly to Dunkermotoren's BG brushless DC motor range, adding safety-rated position feedback to the drive without a separate sensor package. An IP 65 housing is available on request for the larger BG frames, so the same encoder moves from a clean cabinet-side installation to a wash-down or dust-laden environment.

Typical use is in automated machinery and motion-control systems that must meet functional-safety requirements — where the drive has to sense a feedback failure and bring the axis to a safe state.

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Features

SIL 2 and PL d certification lets the encoder be designed into a rated safety function instead of bolting on a separate safety device
sin/cos output supports fine interpolation downstream, giving smoother control than square-wave feedback alone
6,000 rpm maximum speed keeps the encoder clear of the operating range on most BG motor duties
M12x1 8-pin connector is a standard industrial fitting — field-replaceable without splicing or rewiring
Vibration-resistant construction suits machines that run hard, reducing the risk of feedback dropouts from mechanical stress
Optional IP 65 housing (on request, BG 75 and BG 95) extends the same encoder into wash-down and dusty installations

Specifications

Dunkermotoren AFS58 Functional Safety Encoder Specifications
Encoder Type	Functional Safety Encoder
Compatible Motor Series	BG 66, BG 75, BG 95
Safety Rating	SIL 2 / PL d
Resolution
Pulses per Revolution	1,024 ppr (incremental)
Electrical
Supply Voltage	5 V
Max. Input Current	70 mA
Output Signal	sin/cos
Connector	M12x1, 8-pin
Performance
Max. Speed	6,000 rpm
Environmental
Protection Class	Up to IP 65
IP 65 Housing	Available on request for BG 75 and BG 95 series
Vibration Resistance	Yes
Dimensions (AFS58)
Total Length	75.5 mm
Body Diameter	Ø 58 mm
Cable Length	500 ± 20 mm

Technical Drawings

Downloads

dunkermotoren-afs-58-functional-safety-encoder-datasheet.pdf

Warranty & Returns

Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.

FAQs

What is a functional safety encoder, and how does the AFS58 differ from a standard encoder?

The AFS58 is certified to SIL 2 and PL d, so its feedback can be used directly inside a machine's safety function — a standard incremental encoder cannot. It delivers 1,024 ppr incremental sin/cos feedback and is the safety-rated feedback option for Dunkermotoren's BG brushless DC motors, suited to applications where a feedback fault must be detected and acted on as part of a rated safety loop.

Which motors is the AFS58 compatible with?

The AFS58 is designed for the Dunkermotoren BG 66, BG 75 and BG 95 brushless DC (EC) motor series and mounts directly to the motor. On the BG 75 and BG 95 it can be supplied in an IP 65 housing on request.

What resolution and output signal does the AFS58 provide?

It provides 1,024 ppr incremental resolution with a sin/cos output, runs from a 5 Vdc supply drawing up to 70 mA, and connects via an M12x1 8-pin connector.

What is the maximum speed of the AFS58?

The AFS58 is rated to a maximum 6,000 rpm, covering the operating range of the BG 66, BG 75 and BG 95 motors it is designed to run with.

What safety rating does the AFS58 hold, and what does it mean in practice?

It is certified to SIL 2 and PL d — the functional-safety levels used to rate machinery safety functions — which lets the encoder be designed into a rated safety loop rather than adding a separate safety-rated feedback device.

Can the AFS58 be used in wash-down or dusty environments?

Yes — an IP 65 housing is available on request for the BG 75 and BG 95 series, sealing the encoder for wash-down and dust-laden installations. The AFS58 is also of vibration-resistant construction for demanding industrial environments.

What are the physical dimensions of the AFS58?

The AFS58 body is Ø 58 mm with an overall length of 75.5 mm, and it is supplied with a 500 ± 20 mm pre-wired cable terminated in an M12x1 8-pin connector.

How do I order the AFS58 with an IP 65 housing, or get help selecting it?

The IP 65 housing is a build option on the BG 75 and BG 95 motor series, quoted on request. For selection help, motor pairing, or IP 65 configuration for your Australian or New Zealand installation, contact Powerbox at sales@powerbox.com.au.

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