Shanghai Shijie Electronic S3303E 16-Channel Isolated Open-Collector Output Module User Manual

This manual describes the S3303E, a 16-channel isolated open-collector output module with RS485 bus and Modbus protocol support, featuring up to 100mA…

Brand: Shanghai Shijie Electronic
Category: Industrial Supply
Document type: User Manual
Language: Chinese
Pages: 8
File format: PDF
File size: 197 KB
Published: 22 October, 2026
Updated: 22 October, 2026
MD5 checksum: EF557148A3576A64C301818E34FD5611
PDF: Shanghai Shijie Electronic S3303E 16-Channel Isolated Open-Collector Output Module User Manual PDF

About this manual

The S3303E is a 16-channel isolated open-collector output module designed for industrial control applications. It features an output current of up to 100mA with no heating issues, optical coupling isolation, and RS485 output bus support. The module includes standard Modbus protocol support, lightning and static protection, and utilizes internal and external dual watchdog timers to improve system stability. This manual is written in Chinese.

What's inside

Overview
Technical Parameters
Wiring Instructions
Register List
Modbus Communication Protocol
CRC Checksum

Specifications

Output Channels	16
Output Type	Isolated Open-Collector
Output Current	<=100mA
Isolation Voltage	> 3000V
Output Bus	Optically Isolated RS485
Power Supply	9~24V (AC/DC)
Operating Temperature	0 ℃~+70℃
Dimensions	1006925mm

Frequently asked questions

What is the maximum output current of the S3303E?

The maximum output current is 100mA.

What is the default baud rate of the S3303E?

The default baud rate is 19200.

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