M6C-4S8HX51ZTZ00 is a hollow shaft incremental encoder designed for end-of-shaft mounting. For equipment still using this model, we can develop a customized product based on the original mechanical installation and output signal configuration while retaining the key shaft, pulse, and reference-signal characteristics.
The encoder uses a 1 inch (25.4 mm) hollow shaft bore and is secured to the machine shaft with a clamping collar. In the model code, 51 corresponds to a 512 base PPR, while the H high-range output results in 1024 PPR. The encoder also includes a Z Marker reference signal that provides one reference pulse per revolution.
One important feature of M6C-4S8HX51ZTZ00 is the “8” Line Driver in the model code. This configuration corresponds to an original input voltage range of 5–24 VDC. For this reason, the replacement should not be selected based on 1024 PPR alone; the output level and the input requirements of the existing control system also need to be confirmed.


The electrical connection uses a T-style terminal box with a 3/4" NPT cable entry. The signal configuration includes A/B incremental channels and the Z Marker. During replacement, the phase sequence, direction, and reference-signal wiring should be checked against the existing installation to avoid incorrect direction or reference-position feedback.
The customized encoder operates from 10–30 VDC, which is a clear difference from the original 5–24 VDC range associated with Line Driver 8. The actual machine supply voltage and controller input conditions should therefore be confirmed before installation.
For M6C-4S8HX51ZTZ00, the main customization points are the 1 inch hollow shaft, 1024 PPR, Z Marker, and the original electrical characteristics of Line Driver 8. Once these points are confirmed, the final customized configuration can be matched to the existing mechanical installation and wiring arrangement.

