· Product Introduction

The SPC series communication signal conversion modules are primarily designed for signal interference processing and conversion in industrial settings. Their core functions include ground loop isolation, electromagnetic interference elimination, enhanced circuit load capacity, and support for device signal sharing and monitoring. They are widely used in measurement and control systems and various automatic control systems in industrial automation, medical electronics, automotive manufacturing, power engineering, petrochemicals, aerospace, railways, and PLCs.

The SPC8060-MA series multi master to one slave RS485 serial communication module utilizes high-speed optical isolation protection and allows multiple masters to access a single slave, enabling communication at different baud rates between masters and slaves. When industrial sites require multiple masters to communicate with the same slave, direct connection can lead to communication conflicts. This module resolves this issue by providing conversion. It also amplifies and isolates RS-485 signals to extend communication distances.

This product requires a separate power supply and is mounted on a standard 35mm DIN rail, offering simple on-site installation and flexible use, suitable for a variety of field applications.

· Basic Parameters

Power Supply DC12～36V

(DC24V recommended)

Current Consumption ≤80mA @DC24V

Power Protection Reverse Voltage <-40V

Isolation DC1500V (Master, Slave)

Insulation Resistance ≥100MΩ (Master, Slave)

Electromagnetic Compatibility Complies with GB/T182681 (IEC 6132-1)

Applicable Field Devices Devices with multiple masters communicating with the same slave

· Serial Port Parameters

Master Channels 4/6

Slave Channels 1

Signal Type RS485 Communication Signal

Signal Level Standard RS485 differential level

Baud Rate 1200-115200 (Default: 9600, software-settable)

Data Bits  7-8 (software-settable)

Parity None, Odd, Even (software-settable)

Stop Bits      1 or 2 (software-settable)

Buffer Size 256 bytes

Protection Level 600W TVS

Communication distance   1200m (typical)

· Environmental Conditions

Operating Temperature -40℃～+80℃

Storage Temperature -40℃～+85℃

Relative Humidity 10%～90%RH (non-condensing)

Atmospheric Pressure 80kPa～106kPa