ICS系列 SST-SR4-CLX-RLL 是罗克韦尔自动化（Rockwell Automation）ControlLogix 系统中使用的一款通信模块，由 Molex 制造。这款模块是 SST 串行机箱模块，提供串行 Modbus RTU/ASCII 主站/从站通信能力，共有 4 个通道 。

技术参数方面，SST-SR4-CLX-RLL 模块支持多种配置和协议，能够与多种工业设备进行数据交换。模块具有以下特点：

适用于多种应用，包括工厂自动化、过程控制和复杂机器等。

支持 Modbus Serial 主站 RTU 或 ASCII 模式以及从站操作。

每个 SR4 模块都有 4 个串行通信通道，这些通道相互独立且电气隔离。

模块支持直接 I/O 映射，无需编写梯形逻辑，可以与 ControlLogix CPU 共享高达 32,000 个输入/输出字。

配置和诊断可以通过 EtherNet/IP 或 RSLinx 远程完成，节省时间。

模块交付时附带自定义的 Add-On-Profile (AOP)，方便集成到 RSLogix 5000 软件中。

支持两种数据传输模式：“直接模式”和“分页模式”，后者可以共享更多的 I/O 数据。

CLXT 模块设计用于高温和恶劣、腐蚀性环境，满足广泛的应用需求 。

此外，SST-SR4-CLX-RLL 模块还具备以下规格：

物理配置：PLC 模块槽。

网络连接类型：串行 D-Sub 公头（9针）。

端口数量：4 个。

系统位置：ControlLogix。

配置软件：Rockwell Automation RS5000 或 SST 控制台软件。

支持的操作系统：Windows 7、8/8.1、Windows Server 2003、Vista、XP。

模块的净重为 700.000 克 。

The ICS Series SST-SR4-CLX-RLL is a communication module used in Rockwell Automation's ControlLogix system, manufactured by Molex. This module is an SST Serial chassis module that provides serial Modbus RTU/ASCII master/slave station communication capability with a total of 4 channels.

In terms of technical parameters, the SST-SR4-CLX-RLL module supports a variety of configurations and protocols, enabling data exchange with a variety of industrial equipment. Modules have the following features:

Suitable for a variety of applications, including factory automation, process control and complex machines.

Support Modbus Serial master station RTU or ASCII mode and slave station operation.

Each SR4 module has four serial communication channels that are independent of each other and electrically isolated.

The module supports direct I/O mapping without writing ladder logic and can share up to 32,000 input/output words with the ControlLogix CPU.

Configuration and diagnostics can be done remotely via EtherNet/IP or RSLinx, saving time.

Modules are delivered with a custom Add-On Profile (AOP) for easy integration into RSLogix 5000 software.

Two data transfer modes are supported: "Direct mode" and "paging mode", the latter can share more I/O data.

CLXT modules are designed for use in high temperature and harsh, corrosive environments for a wide range of applications.

In addition, the SST-SR4-CLX-RLL module is available in the following specifications:

Physical configuration: PLC module slot.

Network connection type: Serial D-Sub male head (9 pins).

Number of ports: 4.

System location: ControlLogix.

Configuration software: Rockwell Automation RS5000 or SST console software.

Supported operating systems: Windows 7, 8/8.1, Windows Server 2003, Vista, XP.

The net weight of the module is 700.000 grams.