电子计数器，JC20S

产品概述

JC20S电子计数器是一款高性能预置式智能计数设备，采用微电脑控制技术，具有计数范围宽、数字显示清晰、操作简便等特点。该产品适用于多种工业场景的计数需求，能稳定记录输入脉冲信号并实时显示数值，支持断电数据保存功能，确保数据长期不丢失。其结构设计兼顾实用性与美观性，面板布局直观，便于用户快速掌握操作逻辑。35

核心功能与技术特点

JC20S电子计数器支持加/减计数模式，最高计数频率可达5000次/秒（高速模式），适应触点信号、无触点信号（如接近开关、光电开关）及TTL脉冲等多种输入方式。产品内置轻触按键，可灵活设定预置值（0~999999），并具备四种控制输出模式（持续计数、停止计数、自动清零延时等），满足不同场景的自动化控制需求。其抗干扰能力达到工业级标准，工作温度范围0~50℃，适合复杂环境下的稳定运行。56

应用场景

该计数器广泛应用于包装、印刷、纺织、造纸、石油化工及冶金等行业，适用于生产线产量统计、设备转数监测、材料长度计量等场景。例如在自动化包装线上实时记录产品数量，或在纺织机械中精确控制布匹长度。其模块化设计兼容盘装与插座式安装，适配48×48mm标准开孔尺寸，便于集成到各类设备中。210

设计优势

JC20S采用双排LED数码管显示，数值清晰可视。外壳材质坚固，按键布局符合人机工程学，简化操作流程。内部电路通过软件优化实现低功耗（≤4.5VA），并提供12VDC传感器供电接口，方便外接检测装置。产品支持面板按键复位、端子复位及单稳延时自动复位三种清零方式，满足多样化操作需求。69

Introduction to JC20S Electronic Counter

The JC20S is a high-performance preset electronic counter featuring microprocessor control technology, with wide counting range (0-999999), clear digital display and user-friendly operation. It reliably records pulse signals and displays real-time values, equipped with power-off data retention function to prevent data loss. The intuitive panel layout ensures quick mastery of operational logic. 313

Key Features

This counter supports both increment/decrement modes with max 5000 counts/sec (high-speed mode), compatible with contact signals, non-contact sensors (e.g. proximity switches) and TTL pulses. The tactile buttons allow flexible preset value configuration, while four output control modes (continuous counting, stop counting, auto-reset delay, etc.) meet diverse automation needs. Industrial-grade anti-interference capability and 0~50℃ operating temperature ensure reliability. 516

Applications

Widely used in packaging, printing, textiles, papermaking, petrochemical and metallurgical industries for production line counting, equipment rotation monitoring and material length measurement. Typical scenarios include real-time product counting on automated packaging lines or precise fabric length control in textile machinery. Modular design supports both panel-mount and socket installation. 1014

Design Highlights

Features dual-row LED display for clear visibility, rugged housing and ergonomic key layout. Low-power circuitry (≤4.5VA) integrates 12VDC sensor power supply. Three reset methods (manual button, terminal trigger, monostable delay) provide operational flexibility. The compact 36×76mm front panel suits standard industrial control cabinets. 615

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