EncoderWorks can supply PSS58N-F3AAGR0BN-0016 as a custom compatible replacement solution where the PROFIBUS 16-bit singleturn scaling, terminal wiring, and Ø15 mm recessed hollow-shaft boundary must remain stable together. The failure boundary is defined by 65536 steps per revolution, address setting, bus termination, Bus In / Bus Out continuity, preset behavior, rotation direction, shaft concentricity, and torque-rest loading. Typical production lead time: 15 working days.
This model is used as a singleturn absolute rotary encoder where a high-resolution angular value is transmitted through a PROFIBUS network. A compatible replacement must preserve the controller’s expected position structure and the installed hollow-shaft mounting path so that the machine does not restart with angular offset, communication loss, or mechanical preload.
System Limits
The first system boundary is the 16-bit singleturn scaling and PROFIBUS terminal relationship. PSS58N-F3AAGR0BN-0016 uses binary position data with 65536 angular steps per revolution, so the controller expects the same scaling value, rotation direction, preset behavior, address, device-class configuration, and diagnostic response. If the replacement is configured as a lower-resolution unit, uses the wrong parameter length, has a duplicated address, reversed A/B data lines, incorrect termination, or mismatched preset handling, the result can be wrong angular position, proportional angle error, direction reversal, configuration error, communication loss, or data timeout. Terminal-side Bus In and Bus Out continuity are part of the same boundary because the outgoing PROFIBUS segment can be affected by wiring error or termination switch position.
The second boundary is the Ø15 mm recessed hollow-shaft and removable terminal-cover installation. A larger bore changes how shaft fit, insertion depth, concentricity, torque-rest position, radial cable exit, shield landing, cable strain relief, and cover sealing must be controlled. Excessive shaft offset, rigid torque-rest preload, poor shield termination, terminal strain, or water and dust exposure at the cover can cause bearing stress, unstable bus exchange, signal dropout, ingress failure, or early mechanical damage even when the electronic configuration is correct.
Wiring & Installation
Before replacement, confirm the full installed model code, PROFIBUS address, terminal assignment, Bus In and Bus Out routing, controller device class, 16-bit singleturn scaling, preset use, rotation direction, diagnostic settings, termination position, and Ø15 mm shaft interface. The “00” position in this singleturn code should not be treated as a multiturn value; the replacement boundary is the angular resolution and terminal-side bus behavior expected by the controller.
During installation, the Ø15 mm recessed hollow shaft should slide onto the machine shaft without forcing the encoder body into alignment. The torque rest should stop housing rotation while avoiding side load on the bearings. Keep PROFIBUS shield continuity through the terminal compartment, route bus wiring away from motor and brake cables, avoid sharp bending at the radial exit, and close the terminal cover so sealing, grounding, and cable strain relief remain stable during machine motion.
Custom Compatible Solution
- Match the PROFIBUS interface, binary data format, and 16-bit singleturn resolution
- Preserve address setting, bus termination logic, terminal mapping, Bus In / Bus Out continuity, preset behavior, and rotation direction
- Adapt the Ø15 mm recessed hollow shaft, radial cable exit, terminal cover, housing envelope, and torque-rest boundary
- Review shield continuity, terminal sealing, shaft concentricity, IP exposure, and commissioning risk before shipment
Key Data
| Item | Data |
|---|---|
| Model | PSS58N-F3AAGR0BN-0016 |
| Device type | Singleturn absolute rotary encoder |
| Interface | PROFIBUS, RS-485 |
| Data format | Binary |
| Singleturn resolution | 16 bit, 65536 steps |
| Overall resolution | 16-bit singleturn code combination |
| Multiturn resolution | Not applicable |
| Supply voltage | 10–30 V DC |
| Connection | AG, removable housing cover with terminal compartment |
| Cable exit | R, radial |
| Shaft / bore | F3A, recessed hollow shaft, Ø15 mm × 30 mm |
| Housing material | N, aluminium, powder coated |
| Option code | 0, no option |
| Temperature / expansion code | N, not expanded |
| Protection class | IP65 / IP66 sealing boundary requires confirmation against installed version |
| Key replacement checks | PROFIBUS address, bus termination, terminal mapping, Bus In / Bus Out continuity, 16-bit scaling, preset use, rotation direction, Ø15 mm hollow-shaft fit, torque-rest preload |
