Hengstler Absolute Rotary Encoders
SSI & BiSS

Hengstler Absolute shaft encoders comprise a series known as ACURO. All are CE marked, RoHS compliant, and the standard AC58 (58mm housing) is UL approved. You have a choice of 3 body sizes, with the widest range of shaft options and highest IP rating available within the AC58 model.

SSI & BiSS

SSI (Synchronous Serial Interface) was the original standard used for the exchange of digital data between an encoder and a controller. BiSS (Bi-directional Synchronous Serial Interface) supercedes this protocol, and is reverse compatible with SSI. The bi-directional feature enables a BiSS enabled controller to address internal registers in the encoder itself, i.e. temperature or acceleration and allows recovery of data drop out. BiSS masters can communicate with up to 8 slaves over longer cable runs, and at higher baud rates than SSI.

The physical layer of SSI and BiSS is identical, using 2 twisted pairs of cables for clock and data and 2 wires for power.

Description File Size
AC36 - BiSS/SSI - Details PDF 428Kb
AC58 - BiSS/SSI - Details PDF 540Kb
AC58 - BiSS/SSI - Dimensions PDF 720Kb
AC58 - SSI-Programmable - Details PDF 184Kb
AC110 - BiSS/SSI - Details PDF 425Kb

ACURO Encoders

AC36 Hengstler AC36 BiSS/SSI
6mm solid shaft - IP64
37.5mm dia body
Single turn and multiturn
5VDC or 10 - 30VDC
Maximum 10,000 rpm continuous

Hengstler AC58 BiSS/SSI
10, 12mm hollow shaft - IP64 or IP67
58mm dia body
Single turn and multiturn
5VDC or 10 - 30VDC
Maximum 10,000 rpm continuous

Hengstler AC58 BiSS/SSI
6, 10mm solid shaft - IP64 or IP67
58mm dia body
Single turn and multiturn
5VDC or 10 - 30VDC
Maximum 10,000 rpm continuous

Hengstler AC58 SSI-Programmable
10, 12mm hollow shaft - IP64 or IP67
58mm dia body
Single turn and multiturn
5VDC or 10 - 30VDC
Maximum 10,000 rpm continuous

Hengstler AC58 SSI-Programmable
6, 10mm solid shaft - IP64 or IP67
58mm dia body
Single turn and multiturn
5VDC or 10 - 30VDC
Maximum 10,000 rpm continuous

Hengstler AC110 BiSS/SSI
Hollow shaft up to 50mm 110mm dia body
Single turn 11 - 17Bit
5VDC or 10 - 30VDC
Max 3600rpm (IP50)
Max 1500rpm (IP64)

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