For systems using HMG11 S13 Z0 20H7 ST-M23, a custom compatible solution can be engineered for maintenance, retrofit, replacement, and upgrade work. Typical production lead time: 15 working days. The solution is intended to preserve 20 mm hollow-shaft installation continuity together with SSI signal transmission through the radial M23 connector interface.
Technical Overview of the HMG11 S13 Z0 20H7 ST-M23 Encoder
This model is a singleturn SSI absolute encoder with 13-bit resolution, 20 mm blind hollow shaft, and radial M23 flange connector. Compared with terminal-box versions, this configuration places more emphasis on connector pin mapping, cable harness compatibility, and enclosure clearance around the radial plug connection. SSI transmission follows defined clock/data timing and Gray-code output logic.
Industrial Integration Considerations
For this variant, retrofit success depends on both shaft fit and connector continuity. The 20 mm hollow shaft must align with the original mechanical arrangement, while the M23 cable side must preserve the correct pin assignment and cabinet routing. The receiving controller should also be checked for SSI bit handling, clock frequency, and logic expectations.
Field Installation and Wiring Notes
Before installation, the M23 pin assignment should be verified against the original cable set, especially Clock, Data, GND, +UB, and any reserved SSI-related pins. Because the cable exits radially, bend radius and side clearance should be considered in tight spaces. Signal cables should be routed separately from power conductors, and shield continuity should follow the existing EMC method. During mounting, the 20 mm shaft fit and torque arm position should be checked to avoid eccentric loading.
Custom Compatible Encoder Solution
The custom compatible solution generally centers on SSI singleturn data continuity, 20 mm shaft fit, radial M23 connector matching, preserved cable exit direction, and original mounting envelope. Project-specific coded details should be confirmed during engineering review.
Custom Solution Photos


Lead Time and Custom Development
Typical production lead time: 15 working days. Custom development is available where the original installation requires preserved M23 connector layout and 20 mm shaft geometry.
Typical Technical Parameters
| Parameter | Specification |
|---|---|
| Interface | SSI |
| Singleturn Resolution | 13 bit / 8192 steps |
| Multiturn Resolution | Not included in this coded version |
| Output Code | Gray |
| Clock Frequency | 100...800 kHz |
| Additional Output | Without additional output |
| Shaft Type | Blind hollow shaft, 20H7 |
| Connection | Flange connector M23, radial |
| Voltage Supply | 9...30 VDC |
| Protection | IP67 |

