EncoderWorks can supply PSM58N-F1AAGR0BN-1213 as a custom compatible replacement focused on the PROFIBUS terminal compartment, bus termination, and 10 mm recessed hollow-shaft boundary. The failure boundary is defined by address setting, A/B bus wiring, scaling data, binary position format, torque-rest loading, and the terminal-side continuity of the RS-485 segment. Typical production lead time: 15 working days.
This model is used where a multiturn absolute position value must remain consistent after replacement without changing the controller program or mechanical shaft arrangement. The compatible unit must preserve the expected 12-bit multiturn and 13-bit singleturn code combination, the PROFIBUS communication behavior, and the installed terminal wiring path.


System Limits
The first system limit is the PROFIBUS parameter and terminal wiring boundary. PSM58N-F1AAGR0BN-1213 uses binary position data with a 12-bit multiturn and 13-bit singleturn code combination, so the controller scaling, rotation direction, preset behavior, and device class must remain aligned with the installed configuration. If the address is duplicated, the A/B data lines are reversed, the bus termination is wrong, or the parameter length does not match the controller setup, the system can fail with communication loss, configuration error, data timeout, wrong direction, or proportional position error across the machine travel.
The second limit is the hollow-shaft and terminal-cover installation boundary. This version uses a 10 mm recessed hollow shaft and a removable terminal compartment, so the replacement must match shaft insertion depth, torque-rest position, radial cable exit space, and the cabinet-side cable routing. Excessive shaft offset, rigid torque-rest preload, poor shield termination, terminal strain, or moisture exposure at the cover can create bearing stress, unstable bus exchange, intermittent signal dropout, water or dust ingress, and early mechanical failure.
Wiring & Installation
Before replacement, confirm the full installed model code, PROFIBUS address, terminal assignment, Bus In and Bus Out routing, power supply range, rotation direction, scaling parameters, preset use, diagnostic settings, and whether the controller uses Class 1 or Class 2 functionality. The terminal version must not be treated like a connector-only replacement because the field wiring, shield landing, and outgoing bus continuity are part of the installed system.
During installation, mount the hollow shaft squarely on the machine shaft and allow the torque rest to prevent housing rotation without adding side load. Keep the bus cable shield continuous through the terminal area, separate PROFIBUS wiring from motor power cables, avoid sharp cable bends at the radial exit, and verify that the terminal cover is sealed after wiring. Any change in impedance, grounding path, or mechanical preload can turn a correct parameter match into an unstable field replacement.
Custom Compatible Solution
- Match the PROFIBUS interface, binary data format, 12-bit multiturn range, and 13-bit singleturn resolution
- Preserve address setting, bus termination logic, terminal wiring path, rotation direction, and preset-related behavior
- Adapt the 10 mm recessed hollow shaft, radial cable exit, housing envelope, and torque-rest mounting boundary
- Review shield continuity, Bus In / Bus Out routing, shaft offset, terminal sealing, IP exposure, and commissioning risk before shipment
Key Data
| Item | Data |
|---|---|
| Model | PSM58N-F1AAGR0BN-1213 |
| Device type | Multiturn absolute rotary encoder |
| Interface | PROFIBUS, RS-485 |
| Data format | Binary |
| Singleturn resolution | 13 bit, 8192 steps |
| Multiturn resolution | 12 bit, 4096 turns |
| Overall resolution | 12-bit multiturn + 13-bit singleturn code combination |
| Supply voltage | 10–30 V DC |
| Connection | AG, removable housing cover with terminal compartment |
| Cable exit | Radial |
| Shaft / bore | F1A, recessed hollow shaft, Ø10 mm × 30 mm |
| Housing material | N, aluminium, powder coated |
| Option code | 0, no option |
| 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, scaling, rotation direction, preset use, hollow-shaft fit, torque-rest preload |

