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3. Key Technical Specifications
- Model: CX1100-0001
- Compatible Systems: Beckhoff CX1010 and CX1020 Embedded PCs
- Power Supply: 24 V DC (–15 % / +20 %)
- E-Bus Connection: None
- K-Bus Connection: None
- IP-Link Connection: None
- NOVRAM: 8 kbytes (fail-safe process data storage)
- Display: Illuminated FSTN LCD, 2 lines × 16 characters
- Diagnostic LED: 1 × PWR
- Max. Power Consumption: 2.5 W
- Connection: 1 × open-style 5-pin connector
- Dimensions (W × H × D): 45 × 100 × 91 mm
- Weight: Approx. 180 g
- Operating Temperature: 0 °C to +55 °C
- Protection: IP20
4. Product Introduction
The Beckhoff CX1100-0001 is the basic power supply module for the CX1010 and CX1020 Embedded PC series. It supplies 24 V DC power to the system via the internal PC/104 bus and includes an 8 kB NOVRAM for fail-safe storage of process data plus a two-line illuminated LCD for system and user messages.
Unlike the CX1100-0002 (K-Bus) or other variants, the -0001 has no local I/O bus interface. It is used when the Embedded PC does not require directly attached Bus Terminals or Fieldbus Box modules. The module can be replaced in the field. Available units are typically New Surplus or residual stock from the service phase.
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5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No power / PWR LED off | 24 V DC supply missing or out of range | ✅ High | Measure voltage at the 5-pin connector | Verify 24 V DC supply within –15 % / +20 % |
| Display blank | Power issue or module fault | ✅ High | Check PWR LED status | Confirm power and try power cycle |
| Process data lost after power cycle | NOVRAM failure | ✅ Medium | Test data retention | Replace module if NOVRAM does not retain data |
| System does not recognize power module | Seating or hardware revision issue | ✅ Medium | Reseat module on PC/104 bus | Ensure proper mechanical connection |
| Overheating or instability | Overloaded system or poor ventilation | ✅ Low | Check total system power draw | Verify overall CX system power budget |
If the issue persists, record the exact LED status and system configuration before contacting support.
6. Frequently Asked Questions (FAQ)
Q: What is the difference between CX1100-0001 and CX1100-0002?
A: The CX1100-0001 is the basic power supply with display and NOVRAM only. The -0002 adds a K-Bus interface for connecting Beckhoff Bus Terminals and has higher power consumption.
Q: Can I replace a -0001 with a -0002?
A: Yes, in most cases. The -0002 is form-factor compatible and adds K-Bus capability. The reverse (using -0001 where K-Bus is required) will not work.
Q: Does the -0001 supply power to Bus Terminals?
A: No. It has no K-Bus or E-Bus interface. Local I/O must be handled by another variant or remote fieldbus.
Q: I still in active production?
A: It is in the service phase. New production is limited; available units are primarily New Surplus or residual stock.
Q: What is the purpose of the NOVRAM?
A: The 8 kB NOVRAM stores critical process data so that values are retained during power loss.
Q: Why is pricing lower than a current Beckhoff power module?
A: This is a legacy/service-phase product sold as New Surplus or residual stock. Pricing reflects remaining inventory rather than current production cost. All units are functionally verified before shipment. Standard warranty is typically 12 months.
Q: Can the power supply module be changed without replacing the Embedded PC?
A: Yes. Beckhoff designed the series so that the power supply/interface module can be swapped in the field.
