1. Product Overview

2. Main Features

1. Support standard IEC 60870-5-103 communication protocol, fully match power industry communication specification

2. Equipped with two independent configurable serial communication ports

3. Support RS-232, RS-422, RS-485 multi-type electrical interface switching

4. Maximum support 32 sets of 103 protocol slave devices access at the same time

5. Complete timestamp information transmission function, accurate record equipment event time

6. Support spontaneous event message upload, realize fast alarm response without polling

7. Adopt M0 and M1 data file mode to exchange data with SLC controller

8. Equipped with complete sample ladder program, convenient for rapid project development

9. Support ProSoft Configuration Builder software unified configuration and management

10. Industrial grade design, stable and reliable for long-term operation in power station site

3. Technical Specifications

Communication Parameters

Power Supply Parameters

Environmental Parameters

Physical Parameters

4. LED Status Definition

5. Installation and Configuration Steps

1. Cut off the total power supply of SLC 500 system

2. Insert MVI46-103M module into vacant single slot position of 1746 chassis

3. Connect on-site 103 protocol power equipment to module serial port correctly

4. Restore system power supply to confirm module is normally identified by controller

5. Open configuration software to set communication parameters and slave station address

6. Define uplink and downlink data mapping area according to on-site signal demand

7. Import supporting ladder logic program and complete internal data matching

8. Download configuration and program, carry out full data communication debugging

9. Verify real-time data collection and remote control output function

6. Application Scope

1. Substation relay protection equipment data acquisition and monitoring system

2. Power distribution room intelligent switch and circuit breaker automatic control system

3. Electric power industry traditional 103 protocol equipment and Rockwell system integration transformation

4. Power plant auxiliary equipment remote monitoring and data transmission system

5. Urban power grid decentralized power monitoring signal centralized collection project

6. Unattended substation automatic data uploading and alarm management system

7. Product Advantages

1. Professional power dedicated protocol module, perfect compatibility with various 103 slave devices

2. Dual serial port design can build two independent 103 communication networks simultaneously

3. Spontaneous message mechanism ensures power fault alarm information is uploaded quickly

4. Standard SLC chassis installation, simple wiring and easy system expansion

5. Rich debugging and diagnosis functions, convenient for daily operation and fault maintenance

6. Mature stable protocol parsing mechanism, strong anti-interference ability adapting to complex power site environment

8. Safety Precautions

1. All module plugging and wiring operations must be finished under power-off condition

2. Strictly distinguish serial port wiring mode to avoid communication interface burnout

3. Unified communication baud rate, parity check and other parameters of master and slave stations

4. Reasonably plan slave station address number to avoid address conflict causing communication failure

5. Regularly check communication line connection firmness to prevent power signal interruption

6. Keep the module working within specified temperature range to ensure long-term stable operation