The FGH6K-2000G-90G-NG-J/50P can be supported with a custom compatible encoder solution for replacement programs, retrofit execution, maintenance support, and controlled upgrade projects. Where the installed machine uses a Ø50 hollow-shaft encoder with terminal-box connection and a defined incremental signal structure, the compatible version can be developed to follow the original installation logic, and the standard production lead time is 30 working days.
Technical Overview of the FGH6K-2000G-90G-NG-J/50P Encoder
This model is a heavy-duty incremental encoder from the FGH(I) 6 series. In the coding structure, K denotes a terminal box version, while 50P specifies a Ø50 H7 hollow shaft. The code 2000G identifies the pulse count, and 90G / NG define the signal format as a 90° pulse channel with inverted signals together with a reference pulse and inverted reference signal. The FGH(I) 6 platform is listed for 12–30 V DC operation, with optional 5 V DC versions, and belongs to an incremental encoder family intended for harsh industrial conditions.
Within this group of Ø50 hollow-shaft models, the 2000 ppr version occupies a more intermediate position between standard 1024-class feedback and higher-density 2500 or 5000 ppr variants. That gives it a practical role in retrofit projects where the control system needs more feedback granularity than basic incremental formats, but without moving to the highest pulse-count option in the same mechanical family.
Industrial Integration Considerations
For this model, the integration review should balance both the electrical and mechanical sides of the installation. On the control side, the 2000 ppr output should be checked against the receiving counter or control input to confirm acceptable pulse processing, signal level compatibility, shielding continuity, and reference pulse interpretation. This is especially relevant in older drive systems where the original electronics may be more sensitive to pulse-count changes than the mechanics themselves.


Mechanically, the Ø50 H7 hollow shaft remains the primary compatibility point. Bore fit, shaft surface condition, anti-rotation support, axial clearance, and installation depth should all be verified before the compatible version is released. Because this is a single terminal-box configuration, wiring access is generally more straightforward than in dual-box layouts, but cable routing and grounding still need to be planned carefully to preserve signal stability in industrial environments.
Custom Compatible Encoder Solution
For the FGH6K-2000G-90G-NG-J/50P, a custom compatible encoder solution can be engineered to match the original hollow-shaft arrangement, terminal-box connection concept, pulse count, and signal behavior. The compatible design can be configured around the Ø50 H7 shaft interface, the required 2000 ppr output, and the existing mounting envelope so that replacement work can be completed with limited modification to the machine structure.
This model also includes the J coded option, which should be checked and retained correctly during engineering review. In practical retrofit work, preserving that coded configuration matters because the installed system may rely on more than just the basic shaft size and pulse count. Maintaining the coded operating structure helps keep commissioning predictable and reduces integration risk.
Lead Time and Custom Development
Typical production lead time: 30 working days.
Before production, the engineering review should confirm the hollow-shaft diameter, mounting arrangement, pulse requirement, supply voltage, signal format, controller input expectations, and field wiring conditions. The J-coded configuration should also be verified in advance so the custom compatible encoder solution can remain consistent with the installed machine layout and electrical logic.
Typical Technical Parameters
| Parameter | Specification |
|---|---|
| Encoder Type | Incremental encoder |
| Resolution | 2000 ppr |
| Output Type | Incremental output |
| Signal Format | 90° pulse channel with inverted signals, reference pulse with inverted signal |
| Supply Voltage | 12–30 V DC, optional 5 V DC |
| Connection Type | Terminal box connection |
| Electrical Arrangement | Single terminal box |
| Shaft Type | Hollow shaft |
| Shaft Diameter | Ø50 H7 |
| Mounting Style | Heavy-duty hollow-shaft industrial design |
| Protection Rating | Up to IP66 |
| Operating Temperature | -25 °C to +85 °C |
| Option Code | J option included |
| Application Orientation | Maintenance, retrofit, replacement, upgrade |

