Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CU240E-2 USS |
| Drive control | V/f control with linear/square parameterization; V/f control with ECO mode linear/square; V/f control with flux current control; vector control without encoder |
| Digital inputs | 6; optically isolated; NPN/PNP logic selectable via wiring |
| Fail-safe input | 1; use of 2x DI Standard |
| Digital outputs | 1 transistor; 2 relay change-over contacts |
| Analog inputs | 2 differential inputs; switchable between -10 … +10 V and 0/4 … 20 mA |
| Analog outputs | 2 |
| Communication interface | 1 RS-485 with USS protocol |
| Additional interfaces | USB and SD/MMC |
| External supply | 20.4 V to 28.8 V |
| Protection | IP20; conformal coating |
Applications
- V/f control: Provides V/f control with linear/square parameterization capability, ECO mode linear/square, and flux current control.
- Sensorless vector control: Provides vector control without encoder.
Key Features
- Drive control functions: Has V/f control with linear/square parameterization, V/f control with ECO mode linear/square, V/f control with flux current control, and vector control without encoder.
- Digital I/O: Has 6 optically isolated digital inputs with selectable NPN/PNP logic and 1 fail-safe input using 2x DI Standard. Digital outputs provide 1 transistor output and 2 relay change-over contacts.
- Analog I/O: Has 2 differential analog inputs, switchable between -10 … +10 V and 0/4 … 20 mA using a DIP switch, plus 2 analog outputs. The analog inputs can also be configured as supplementary digital inputs.
- Interfaces and protocol: Has 1 RS-485 interface with USS protocol, plus USB and SD/MMC interfaces. PROFINET interfaces: 0; PROFIBUS: No.
- Supply and electrical data: Operating voltage from the Power Module: 24 V. External power supply: 20.4 V to 28.8 V. Maximum current consumption: 0.5 A; maximum power loss: 5.5 W.
- Protection and configuration: Has Safety Integrated STO, PELV according to EN 50178 with safe disconnection from the mains by double/reinforced isolation, IP20 protection, conformal coating, and no included Power Module.
Frequently Asked Questions
1. What control functions does the CU240E-2 USS provide?
It provides V/f control with linear/square parameterization, V/f control with ECO mode linear/square, V/f control with flux current control, and vector control without encoder.
2. How many I/O channels does this control unit have?
It has 6 digital inputs, 1 fail-safe input using 2x DI Standard, 1 transistor output, 2 relay change-over contacts, 2 analog inputs, and 2 analog outputs.
3. Which communication and service interfaces are included?
It has 1 RS-485 interface with USS protocol, plus USB and SD/MMC interfaces. PROFINET interfaces: 0; PROFIBUS: No.
4. What external supply range does it support?
The external power supply range is 20.4 V to 28.8 V. Operating voltage from the Power Module is 24 V.
5. Is the Power Module included?
It is without a Power Module.
