EncoderWorks configures the HOG163 DN 1024 I 38H7 custom compatible replacement solution around heavy-duty incremental feedback where 1024 PPR scaling, K1/K2/K0 channel logic, 9–30 VDC HTL output behavior, complementary inverted signals, terminal-box wiring, torque-arm restraint, and Ø38 mm blind-hollow-shaft fit must remain matched to the installed counter and machine shaft. The failure boundary is not a fieldbus telegram or an absolute position word, but wrong HTL level, missed high-speed edges, shifted zero-pulse timing, inverted-channel mismatch, shield noise, torque-arm movement, blind-bore seating error, and hollow-shaft misalignment. Typical production lead time: 15 working days.
This model is used where the controller reads speed, direction, and reference position from K1 and K2 quadrature channels with K0 zero pulse. A compatible replacement must preserve the 1024 pulses per revolution, 90° phase relationship, 40–60% duty-cycle boundary, K0 reference-pulse behavior, HTL signal level, inverted K1/K2/K0 channels, terminal-box assignment, Ø38 H7 blind-bore interface, housing ground path, and heavy-duty mounting boundary.
System Limits
The first system boundary is the HTL counter interface. HOG163 DN 1024 I 38H7 must be checked against the controller’s HTL input requirement, 9–30 VDC supply range, maximum input frequency, edge evaluation mode, expected K1/K2 direction logic, K0 zero-pulse width, inverted-channel use, cable length, and noise margin. If the replacement is supplied as TTL, another PPR, another bore type, or without the required complementary signals, the counter may still detect motion while speed scaling, direction recognition, reference repeatability, or index capture becomes unreliable.
The second boundary is the terminal box, torque arm, and Ø38 mm blind-hollow-shaft installation. The +UB, 0V, K1, inverted K1, K2, inverted K2, K0, inverted K0, housing earth, shield path, cable gland, and terminal-box orientation must match the installed harness. A correct 1024 PPR encoder can still fail if the shield is terminated through high impedance, the feedback cable runs beside brake or drive wiring, the torque arm allows body movement, or the Ø38 H7 blind bore is not seated to the correct insertion depth. Shaft runout, axial movement, corrosion exposure, IP sealing, and grounding continuity should be checked together.
Wiring & Installation
Before replacement, confirm the complete installed model code, 1024 PPR requirement, HTL supply and output level, K1/K2 phase relationship, K0 zero-pulse use, inverted-channel wiring, terminal-box layout, cable-entry direction, shield termination method, torque-arm length, shaft diameter, insertion depth, and machine-side bore tolerance. This 38H7 version should not be inferred from 50H7 or larger through-shaft versions because the electrical code is similar while the shaft interface, seating depth, torque-arm geometry, and mounting tolerance are different.
During installation, verify supply, 0V, K1, K2, K0, all inverted signals, housing earth, and shield continuity before powering the system. Keep the feedback cable away from motor, brake, SCR, and VFD wiring, and avoid using the shield as a load-carrying ground conductor. The Ø38 mm blind hollow shaft must seat concentrically and must not bottom out against the machine shaft shoulder. Eccentric seating or axial preload can appear as phase jitter, bearing stress, intermittent zero-pulse repeatability, or high-speed count loss.
Custom Compatible Solution
- Match 1024 PPR incremental feedback, K1/K2 quadrature, K0 zero pulse, HTL output level, 9–30 VDC supply range, and inverted signal requirements
- Preserve terminal-box wiring, +UB / 0V reference, shield continuity, housing earth, cable-entry direction, and counter input compatibility
- Adapt the Ø38 H7 blind hollow shaft, insertion-depth boundary, torque-arm restraint, light-metal housing boundary, corrosion exposure, and IP56 sealing requirement
- Review 120 kHz frequency margin, 90° phase tolerance, 40–60% duty cycle, zero-pulse timing, shaft load, vibration, and commissioning checks before shipment
Key Data
| Item | Data |
|---|---|
| Model | HOG163 DN 1024 I 38H7 |
| Encoder type | Heavy-duty hollow-shaft incremental encoder |
| Feedback type | K1 / K2 quadrature with K0 zero pulse |
| Pulse count | 1024 PPR |
| Output signals | K1, K2, K0 with inverted signals |
| Output stage | I, HTL with inverted signals |
| Supply voltage | 9–30 VDC |
| Phase shift | 90° ±20° boundary |
| Duty cycle | 40–60% |
| Reference signal | K0 zero pulse, 90° width |
| Output frequency | ≤120 kHz, counter margin must be checked |
| Connection | Terminal box |
| Shaft interface | 38H7, Ø38 mm blind hollow shaft |
| Protection rating | IP56 sealing boundary |
| Mechanical speed | ≤6000 rpm, application check required |
| Shaft load | ≤350 N axial / ≤500 N radial |
| Key replacement checks | HTL level, 1024 PPR scaling, K1/K2 direction, K0 zero pulse, inverted channels, terminal mapping, shield grounding, torque arm, Ø38 blind-bore fit |
