Replacing a Beckhoff EL4032: Wiring and Output Checks
A field checklist for replacing a Beckhoff EL4032, covering the ±10 V load, terminal map, power contacts, EtherCAT state, and watchdog behavior.
Manufacturer: BECKHOFF
Product No.: CX1020-0022
Country of origin:Germany
Product Type: Industrial Computers
Payment: T/T, Western Union
Weight: 550g
Dimensions: 9.6 x 11.2 x 9.9 cm
Shipping port: Xiamen
Warranty: 12 months
The BECKHOFF CX1020-0022 is a basic CPU module designed for the modular CX1020 Embedded PC series. Serving as the central processing unit for DIN rail-mounted industrial automation systems, this unit coordinates real-time control, logic processing, and communication tasks within modular machine configurations. It integrates an Intel Celeron M ULV processor running at a 1 GHz clock frequency paired with 256 MB of DDR RAM and a 128 MB Compact Flash card for system storage.
Engineered for industrial environments, the module supports standard Ethernet communication via dual RJ45 ports and connects to modular I/O systems through internal system buses. It operates on Windows Embedded operating systems and executes TwinCAT automation software to manage machine control, PLC functions, and motion control tasks. The hardware accommodates expansion cards and includes integrated diagnostic LEDs for monitoring power, network traffic, system states, and storage media access.
| Parameter | Specification |
|---|---|
| Manufacturer | BECKHOFF |
| Exact Model | CX1020-0022 |
| Processor | Intel Celeron M ULV |
| Clock Frequency | 1 GHz |
| Processor Cores | 1 |
| Main Memory | 256 MB DDR RAM |
| Flash Memory | 128 MB Compact Flash card included |
| Country of Origin | Germany |
| Parameter | Specification |
|---|---|
| Interfaces | 2 x RJ45 10/100 Mbit/s (internal switch) |
| System Bus | 16-bit ISA (PC/104) |
| Expansion Slot | 1 x Compact Flash type I and II insert with eject mechanism |
| Parameter | Specification |
|---|---|
| Max. Power Consumption | 11 W |
| Power Supply | Via system bus (through CX1100 power supply modules) |
| I/O Connection | Via power supply module (E-bus, K-bus, K-bus/IP-Link) |
| Parameter | Specification |
|---|---|
| Operating System | Windows Embedded CE 6, Windows Embedded Standard 2009 |
| Control Software | TwinCAT 2 PLC runtime, NC PTP runtime, NC I runtime |
| Parameter | Specification |
|---|---|
| Dimensions (W x H x D) | 96 mm x 112 mm x 99 mm |
| Weight | Approx. 550 g |
| Operating Temperature | 0 to +50 degC |
| Storage Temperature | -25 to +85 degC |
| Relative Humidity | 95 percent, no condensation |
| Protection Rating | IP20 |
| EMC Immunity / Emission | Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Vibration / Shock Resistance | Conforms to EN 60068-2-6 / EN 60068-2-27 |
| Approvals | CE, UL |
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Returns & Warranty

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Returns & Warranty
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| Country of origin |
Germany
|