We developed a custom solution for the POG10 D 2500 I encoder, intended for heavy-duty drive systems where 2500 PPR HTL incremental feedback must stay stable under high pulse frequency, shaft vibration, terminal-box wiring, and EMC noise. This is a POG 10 D-output configuration, so it should be treated as K1 / K2 feedback only, not a DN version with K0 zero pulse.
Typical production lead time: 15 working days.
Model reading is direct:
- D = K1, K2 output signals
- 2500 = 2500 pulses per revolution
- I = 9–30 VDC, HTL output with inverted signals
- POG10 = Ø11 mm shaft, EURO flange B10, terminal-box heavy-duty encoder body
At 2500 PPR, the first weak point is usually counter frequency margin. The encoder supports ≤120 kHz output frequency, but the PLC or drive counter must still match the real shaft speed. If the controller side cannot process the pulse stream cleanly, the system loses counts before the encoder itself shows a hardware fault.
Where the System Fails First
This version is more sensitive than 500 / 512 / 600 PPR versions. The higher pulse density makes shielding, grounding, and edge quality more critical.
Typical failure points:
- Counter bandwidth too low → missed pulses
- Poor terminal grounding → false HTL edges
- Shield interruption → unstable high-frequency feedback
- Loose terminal wiring → intermittent pulse loss
- Wrong K1/K2 phase interpretation → reversed direction
- Rigid coupling → torsional vibration and phase jitter
Because this is a D version, there is no K0 reference pulse. Do not use it where index referencing is required unless the machine has a separate home signal.
Mechanical Boundary
POG10 has strong mechanical margins: ≤300 N axial load, ≤450 N radial load, IP66 protection, 20 g vibration, 200 g shock, and -40 °C to +100 °C operating temperature. These numbers do not cancel poor coupling alignment. At 2500 PPR, torsional vibration becomes visible as counting instability earlier than it appears as bearing damage.
Installation Notes
- Keep the model format as POG10 D 2500 I
- Do not add K0 logic; D = K1 / K2 only
- Confirm counter frequency at actual RPM
- Keep terminal-box grounding continuous
- Separate encoder wiring from inverter and motor power cables
- Verify K1 / K2 phase direction before startup
- Use a flexible coupling suitable for Ø11 mm shaft
- Check counter margin before blaming the encoder
Key Data
- Model: POG10 D 2500 I
- Type: Heavy-duty incremental encoder
- Resolution: 2500 PPR
- Output: HTL with inverted signals
- Signals: K1, K2 + inverted
- Supply voltage: 9–30 VDC
- Output frequency: ≤120 kHz
- Shaft: Ø11 mm stainless steel
- Flange: EURO flange B10
- Protection: IP66
- Operating temperature: -40 °C to +100 °C
- Optional temperature range: -50 °C to +100 °C
- Shaft load: ≤300 N axial / ≤450 N radial
- Vibration: 20 g, 10–2000 Hz
- Shock: 200 g, 6 ms
- Connection: Terminal box
- Weight: Approx. 1.9 kg
