Replacing Yokogawa AAI835: Wiring and Barrier Checks Before Swap
Before replacing a Yokogawa AAI835, verify the 4-in/4-out channel map, power-loss loop behavior, barrier type, output load, cable, and redundancy.
Manufacturer: BECKHOFF
Product No.: EP7041-2002
Country of origin:Germany
Product Type: Stepper Motor Controllers
Payment: T/T, Western Union
Weight: 165g
Shipping port: Xiamen
Warranty: 12 months
Designed for direct connection of stepper motors in demanding industrial environments, the Beckhoff EP7041-2002 EtherCAT Box serves as a compact, IP67-rated stepper motor interface module. This unit integrates a complete control system with encoder feedback capabilities within a robust, field-mountable enclosure. It enables decentralized motion control without requiring an electrical cabinet, reducing cabling complexity and space requirements on the machine frame.
The EP7041-2002 provides a comprehensive drive solution, supporting 2-phase stepper motors in both unipolar and bipolar configurations. With integrated 64-fold microstepping technology, it ensures extremely smooth and precise motor operation. The module features an integrated 24 V DC encoder interface, enabling closed-loop position control and travel distance monitoring. Distributed Clocks (DC) support ensures highly precise synchronization with other EtherCAT devices within the automation network.
| Manufacturer | Beckhoff Automation |
| Part Number / Model | EP7041-2002 |
| Protocol | EtherCAT |
| Bus Interface | 2 x M8 socket, shielded, screw-type |
| Number of Outputs | 1 stepper motor, 1 digital 24 V DC output |
| Number of Inputs | 2 digital inputs, encoder system (24 V DC encoder) |
| Connection Method | M12 x 1, 5-pin, a-coded |
| Load Type | 2-phase stepper motor (unipolar or bipolar) |
| Nominal Voltage | 8 to 48 V DC |
| Output Current | 2 x 3.5 A (continuous), 2 x 5 A peak (overload- and short-circuit proof) |
| Step Pattern | 64-fold micro stepping |
| Step Frequency | Configurable up to 8000 full steps/s |
| Current Controller Frequency | Approximately 30 kHz |
| Electrical Isolation | 500 V |
| Current Consumption (US) | 120 mA |
| Operating Temperature | -25 to +60 degC |
| Storage Temperature | -40 to +85 degC |
| Protection Rating | IP65, IP66, IP67 (conforms to EN 60529) |
| Vibration Resistance | Conforms to EN 60068-2-6 |
| Shock Resistance | Conforms to EN 60068-2-27 |
| Weight | Approximately 165 g |
| Connection Type | Connector Style | Function |
|---|---|---|
| EtherCAT IN / OUT | M8 socket, 4-pin, shielded | EtherCAT network communication and daisy-chaining |
| Power Feed | M8 male socket, 4-pin | Control supply voltage (US) and peripheral supply voltage (UP) |
| Power Downstream | M8 female socket, 4-pin | Power distribution to subsequent EtherCAT Box modules |
| Motor / Encoder | M12, 5-pin, a-coded | Stepper motor phases, digital IO, and encoder feedback connections |
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Returns & Warranty
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| Country of origin |
Germany
|