A custom compatible replacement for GXM7W.1101101 can be supplied by EncoderWorks with the main check placed on RS485 axial cable routing, address-coded bus identity, and Ø6 mm synchro-flange alignment. This model should not be treated as the same case as the radial cable version. The communication protocol is identical, but axial cable exit changes rear clearance, cable strain, shield routing, and how the bus cable enters the cabinet.
The GXM7W.1101101 is an RS485 multiturn absolute encoder configuration with optical sensing, 13-bit singleturn resolution, 12-bit multiturn range, binary code, 10–30 VDC supply, Ø58 mm housing, Ø6 mm synchro flange, IP54 mechanical execution, and 1 m axial cable connection. Its data structure should be handled as 8192 steps per turn and 4096 turns.
The first failure boundary is RS485 bus continuity. The interface uses master/slave communication at 38.4 kBaud, with address selection coded by connection. T/R IN and T/R OUT wiring must be reproduced correctly. If the arriving and outgoing data pairs are reversed, if the final-user termination is missing, or if a stub line is created during cable replacement, the encoder may power up but fail to return a stable position reply.
This replacement fails when the encoder has supply voltage, but the controller receives no valid position because T/R IN/OUT wiring, Ident 1/2 address coding, termination, or serial settings do not match the original installation. That is a bus-chain failure, not a sensing failure.
The second boundary is axial cable handling. Axial exit needs enough rear clearance so the cable does not bend sharply or pull the encoder body out of alignment. For longer extensions, the RS485 pair structure and shield continuity should be preserved. A clean low-speed test may not expose intermittent bus errors caused by cable stress or poor shield grounding.
Zero setting and UP/DOWN direction must also be checked. A high zero-setting pulse can change the electrical reference, while UP/DOWN changes the counting direction. If either line is tied differently from the original machine, the bus reply may be valid while the reported position is wrong.
The replacement decision should first confirm Ø6 mm synchro-flange geometry, IP54 requirement, axial cable route, RS485 38.4 kBaud setting, T/R IN and OUT wiring, final-node termination, Ident 1/2 address coding, 13-bit singleturn and 12-bit multiturn mapping, zero-setting input, UP/DOWN direction, supply voltage, shielding, rear cable clearance, and coupling load. EncoderWorks treats GXM7W.1101101 as an industrial encoder custom compatible solution where RS485 bus wiring and axial synchro-shaft mechanics decide field reliability.
Typical production lead time: 15 working days.
Key Data
| Item | Data |
|---|---|
| Model | GXM7W.1101101 |
| Encoder type | Multiturn absolute encoder |
| Interface | RS485 bus interface |
| Transmission rate | 38.4 kBaud |
| Sensor technology | Optical |
| Resolution | 13-bit singleturn + 12-bit multiturn |
| Steps / turns | 8192 steps per turn / 4096 turns |
| Code | Binary |
| Supply voltage | 10–30 VDC |
| Housing | Ø58 mm steel housing |
| Shaft / flange | Ø6 mm synchro flange |
| Protection class | IP54 |
| Connection | 1 m axial cable |
| Control inputs | Zero setting, UP/DOWN direction, Ident 1/2 address coding |
| Main engineering anchor | RS485 axial cable and synchro flange |
| Main failure boundary | Wrong IN/OUT wiring, address mismatch, zero-set error, cable strain |
Related Models
GXM7W.1102101 RS485 Multiturn Absolute Encoder
GXM7W.110A001 RS485 Multiturn Encoder Solution
GXM7W.110A101 RS485 Absolute Encoder
