IC697VAL304 数字输入模块 PDF资料
1.产 品 资 料 介 绍：
IC697VAL304 数字输入模块说明
IC697VAL304 是 GE Fanuc 90-70 系列 PLC 系统中的 数字量输入模块（Digital Input Module），用于接收来自现场开关量设备的离散信号，并将这些信号传送给 PLC CPU 进行处理。
一、模块定位
类型：数字输入模块
系列：90-70 PLC
作用：采集现场设备的开关状态（如按钮、限位开关、继电器触点等）
安装方式：插入 PLC 机架 I/O 插槽，通过背板与 CPU 通信
二、主要功能
采集离散信号输入
接收现场设备的开/关状态
信号转化为 PLC 系统可以处理的逻辑数据
实时状态响应
适合实时控制和监测
输入状态变化快速反馈给 CPU
背板通信
通过 PLC 机架背板传输数据给 CPU
与控制程序同步运行
三、典型电气参数
输入类型：开关量离散输入
适用电压等级：通常适用于 PLC 系统背板标准电压
通道数量：模块上具有多路独立输入通道
输入状态指示：模块上带有 LED 状态指示（视具体产品版本而定）
隔离与抗干扰：具备输入与背板之间的隔离设计，提高噪声抗扰性
IC697VAL304 数字输入模块 英文介绍
IC697VAL304 Digital Input Module Description
IC697VAL304 is a digital input module in the GE Fanuc 90-70 series PLC system, used to receive discrete signals from on-site switch devices and transmit these signals to the PLC CPU for processing.
1、 Module positioning
Type: Digital Input Module
Series: 90-70 PLC
Function: Collect the switch status of on-site equipment (such as buttons, limit switches, relay contacts, etc.)
Installation method: Insert into the PLC rack I/O slot and communicate with the CPU through the backplane
2、 Main functions
Collect discrete signal input
Receive the on/off status of on-site equipment
Convert signals into logical data that can be processed by PLC systems
Real time status response
Suitable for real-time control and monitoring
Fast feedback of input status changes to CPU
Backplane communication
Transfer data to CPU through PLC rack backplane
Run synchronously with the control program
3、 Typical electrical parameters
Input type: Discrete switch input
Applicable voltage level: usually suitable for PLC system backplane standard voltage
Number of channels: The module has multiple independent input channels
Input status indication: The module is equipped with LED status indication (depending on the specific product version)
Isolation and anti-interference: Equipped with isolation design between input and backplane to improve noise immunity