BECKHOFF CX2100-0014 Power Module Guide

BECKHOFF CX2100-0014 Power Module Full Integration and Diagnostic Guide

Module positioning and system value

In the Beckhoff CX2000 series embedded PC system, the power module is not only the power supply unit, but also the status display and diagnostic center of the entire control platform. CX2100-0014, as the passive ventilation version in this series, is designed specifically for high-performance multi-core embedded PCs such as CX2020, CX2030, CX2040, etc. It provides 24 V DC power supply, K-bus/E-bus automatic recognition, 2 × 16 character LCD display, navigation buttons, and comprehensive I/O terminal power management. For engineers who are migrating from outdated controllers (such as Woodward, Honeywell, and other discontinued modules) to PC based controls, understanding the installation, wiring, display programming, and fault diagnosis process of CX2100-0014 is a crucial step in ensuring reliable system operation.

This article is based on the hardware manual of CX2100-0014 power module, combined with common requirements on the engineering site, providing a complete set of engineering deployment and troubleshooting guidelines from mechanical installation, power wiring, LCD display control, button operation, K-bus/E-bus diagnosis, passive EtherCAT terminal processing, and other aspects.

Product Overview and Technical Specifications

1.1 Hardware Architecture

CX2100-0014 is a DIN rail mounted power module with external dimensions of 60 mm (width) x 100 mm (height) x 91 mm (depth), weighing approximately 550 g. Its housing adopts IP20 protection level and is suitable for installation in control cabinets. The right side of the module integrates power terminal blocks and bus interfaces (K-bus or E-bus), supporting direct connection to Beckhoff bus terminals or EtherCAT terminals. The left side is connected to the CX20x0 basic CPU module through a multipole connector, providing power to the entire system.

The main technical parameters are as follows:

Input voltage: 24 V DC (-15%/+20%), which allows for 19.2~28.8 V

Maximum output power: 130 W

Maximum power consumption: 3.5 W (self), E-bus/K-bus power supply maximum 10 W (5 V/2 A)

Terminal power supply capability: maximum 10 A through power contacts, maximum 2 A through I/O terminals

K-bus process data: maximum 2048 byte input+2048 byte output, supports up to 64 terminals (up to 255 through expansion)

E-bus: Supports up to 65534 EtherCAT terminals

Working temperature: -25 ° C~+60 ° C

Storage temperature: -40 ° C~+85 ° C

Relative humidity: 95%, no condensation

Certification: CE, UL

1.2 Differences from other power modules

The CX2100 series has four types of power modules:

CX2100-0004: Standard version, automatic switching between K-bus/E-bus

CX2100-0014: Passive ventilation version (protagonist of this article), with additional heat dissipation openings added

CX2100-0904: Integrated Capacitive UPS

CX2100-0914: Integrated external battery charging unit, supporting UPS function

CX2100-0014 is suitable for scenarios where the total load does not exceed 45 W (such as USB devices or CX25xx modules), and the installation location must meet ventilation requirements. For CX2020/CX2030 with active fan cooling, vertical installation is also allowed.

Mechanical installation and location requirements

2.1 Installation steps

Connect CPU module: Align the multipole connector on the right side of CX2100-0014 with the interface on the left side of the CX20x0 basic CPU module, and push horizontally until the two module housings are flush without gaps.

Install bar clips: To prevent the module from loosening due to vibration, insert the accompanying metal clips between the upper and lower heat dissipation fins. Push the clip in until it does not protrude and is level with the fins.

Hanging DIN rails: Use TS35/7.5 or TS35/15 rails that comply with DIN EN 60715. First, pry open the lock buckle at the bottom of the module (using a screwdriver to pry outward), hang the module onto the guide rail from the front, press down until you hear a "click" sound to lock it, and then reset the lock buckle.

2.2 Installation position and ventilation distance

CX2100-0014 must maintain at least 30mm of free space above and below the connected embedded PC to ensure air convection. The installation direction depends on the CPU model:

Embedded PC model, horizontal installation, vertical installation, working temperature range

CX2020 does not allow -25~+60 ° C

CX2030 does not allow -25~+60 ° C

CX2040 does not allow -25~+60 ° C

CX2020 with fan allows -25~+60 ° C

CX2030 with fan allows -25~+60 ° C

CX20x2 multi-core allows -25~+50 ° C

Important: When installing vertically, an additional fixing bracket must be installed below the embedded PC to prevent it from slipping off the DIN rail. At the same time, the connected bus terminals must also allow for vertical installation.

2.3 Passive EtherCAT Terminal Installation Taboos

The manual emphasizes that passive EtherCAT terminals (such as EL9195) should not be directly installed on the right side of the power module. Passive terminals refer to terminals that do not participate in active data exchange, have no process mapping, and do not consume E-bus current. If it is installed tightly against the power module, it will weaken the E-bus signal quality. The correct approach is to insert at least one active terminal (a conventional terminal that consumes E-bus current, such as a digital input module) between the power module and the passive terminal. Identification method: In the TwinCAT tree structure, the passive terminal does not display process data, and the value in the "E-bus (mA)" column is the same as the previous terminal.