We provide a custom compatible solution for CEV65M-01700, built to keep the original Profibus-DP position feedback stable when replacing the encoder in a larger ZB80 UNI mechanical layout. The main risk is not only the bus interface; it is whether the replacement preserves the same station address, S3/S4 termination state, DataA/DataB wiring, PG radial shielding, and 12FL / 24 shaft fit at the same time. Typical production lead time: 15 working days.
Where the System Fails First
The controller reads CEV65M-01700 as a Profibus-DP absolute encoder with PNO Profile Class 2 behavior. The document specifies 12 Mbaud, RS485 output level, 3 × PG9 radial connection, and the pinout reference TR-ECE-TI-GB-0017. In field replacement, the first checkpoint is the Profibus topology, not the encoder resolution.
The failure points are direct:
- Wrong station address → PLC cannot identify the encoder
- S3/S4 termination wrong → intermittent bus fault
- DataA / DataB reversal → unstable or missing communication
- Weak shield bonding in the PG hood → telegram errors
- Preset input mismatch → wrong machine reference
- ZB80 UNI / 12FL fit mismatch → mechanical installation stress
For CEV65M-01700, the practical replacement boundary is Profibus termination discipline plus ZB80 mechanical matching. A replacement can match the electrical interface and still fail if the station address or terminal resistance is wrong.
Fieldbus Hood and Mechanical Boundary
The drawing shows a larger ZB80 UNI flange, 12FL / 24 shaft, and 3 × PG9 radial cable entries. The hood is the control point for bus-in, bus-out, supply, preset inputs, shielding, and termination. A loose shield contact or incorrect cable path can make the PLC report a Profibus fault even when the encoder body is not the root cause.
The document states that when the encoder is the last Profibus station, S3 and S4 must be switched on; otherwise they must remain off. Station address is set from 3 to 99 using BCD address switches. These two checks should be completed before judging the replacement hardware.
Installation Notes
- Keep the model format as CEV65M-01700
- Match the alternative reference 110-01700 where required
- Set the Profibus station address before commissioning
- Use S3/S4 termination only at the last bus station
- Wire DataA / DataB exactly as defined
- Keep PG radial hood shielding continuous
- Confirm the ZB80 UNI flange and 12FL / 24 shaft fit
- Check bus topology before replacing the encoder body
Key Data
- Model: CEV65M-01700
- Alternative reference: 110-01700
- Type: Absolute rotary encoder
- Interface: Profibus DP
- Profile: PNO Profile Class 2
- Resolution: 4096 steps / revolution
- Multiturn range: 4096 revolutions
- Code: Programmable
- Output level: RS485
- Supply voltage: 11–27 VDC
- Option: 12 Mbaud
- Flange: ZB80 UNI
- Shaft: 12FL / 24
- Connector: 3 × PG9
- Connector position: PG radial
- Protection: IP65
- Temperature range: -20 °C to +70 °C
- Pinout: TR-ECE-TI-GB-0017
- Drawing: 04-CEV65M-M0086
- Firmware: 4376AA
