描述
产品概述
GE IC697MDL653是通用电气（GE）旗下的一款24 VDC正/负逻辑离散输入模块，属于90-70系列可编程逻辑控制器（PLC）的核心组件。该模块由GE Fanuc制造，现由艾默生自动化公司收购，主要用于工业自动化系统中接收和处理数字信号，支持传感器、接近开关、按钮等设备的监控与控制。
技术参数
输入通道
通道数量：32个离散输入点，分为4组（每组8点），提供组隔离设计。
逻辑类型：支持正逻辑（高电平有效）和负逻辑（低电平有效）接线方式。
电气特性
输入电压范围：-3 VDC至+30 VDC（额定24 VDC）。
导通电压：13.5 V至30 V（逻辑1）。
关断电压：0 V至5 V（逻辑0）。
输入电流：导通状态6-15 mA，关断状态0-2 mA（5 V输入时最小2 mA）。
隔离等级：
背板通道隔离：1500 V DC。
组间隔离：500 V DC。
滤波与响应
输入延迟时间：可配置1 ms或10 ms滤波器，减少信号抖动。
响应时间：≤2 ms（部分型号）。
供电与兼容性
总线供电：从5 VDC总线汲取电流，最大300 mA。
通信标准：兼容VME标准C.1，支持与GE IC696系列PLC配合使用。
核心功能特点
高密度与隔离设计
每组输入通道独立隔离，防止不同信号源间的电气干扰，适用于复杂工业环境。
支持多组公共端子配置，灵活适配正/负逻辑接线需求。
状态监控与调试
LED指示灯：顶部状态LED显示每个输入通道的开/关状态，便于现场调试。
软件配置：通过MS-DOS或Windows 95兼容软件进行参数设置，无需DIP开关或跳线。
工业级可靠性
采用抗干扰电路设计，支持宽温工作（部分型号适应-40°C至85°C）。
兼容24 VDC工业标准供电，适用于高噪声环境。
扩展性与兼容性
可与其他PLC系统（如西门子、施耐德）兼容，但部分高级功能受限。
支持冗余配置或级联扩展，适用于大规模控制系统集成。
Product Overview
GE IC697MDL653 is a 24 VDC positive/negative logic discrete input module under General Electric(GE),and is a core component of the 90-70 series programmable logic controller(PLC).This module is manufactured by GE Fanuc and is now acquired by Emerson Automation.It is mainly used to receive and process digital signals in industrial automation systems,and supports the monitoring and control of sensors,proximity switches,buttons and other equipment.
Technical parameters
Input channel
Number of channels:32 discrete input points,divided into 4 groups(each group of 8 points),providing group isolation design.
Logic type:Supports positive logic(active high)and negative logic(active low)wiring methods.
Electrical characteristics
Input voltage range:-3 VDC to+30 VDC(rated 24 VDC).
On-voltage:13.5 V to 30 V(logic 1).
Shutdown voltage:0 V to 5 V(logic 0).
Input current:6-15 mA on state,0-2 mA off state(minimum 2 mA for 5 V input).
Isolation level:
Backplane channel isolation:1500 V DC.
Group isolation:500 V DC.
Filtering and response
Input delay time:1 ms or 10 ms filter can be configured to reduce signal jitter.
Response time:≤2 ms(some models).
Power supply and compatibility
Bus power supply:draw current from the 5 VDC bus,up to 300 mA.
Communication standard:compatible with VME standard C.1,supports use with GE IC696 series PLC.
Core functional features
High density and isolation design
Each set of input channels is isolated independently to prevent electrical interference between different signal sources,and is suitable for complex industrial environments.
Supports multiple sets of common terminal configurations,and flexibly adapts to positive/negative logic wiring requirements.
Status monitoring and debugging
LED indicator:The top status LED displays the on/off status of each input channel for easy on-site debugging.
Software configuration:Parameter settings are performed through MS-DOS or Windows 95-compatible software,no DIP switches or jumpers are required.
Industrial-grade reliability
It adopts anti-interference circuit design and supports wide temperature operation(some models are suitable for-40°C to 85°C).
Compatible with 24 VDC industry standard power supply,suitable for high noise environments.
Extensibility and compatibility
It can be compatible with other PLC systems(such as Siemens,Schneider),but some advanced functions are limited.
Supports redundant configuration or cascading expansion,suitable for large-scale control system integration.
