Ethernet-модуль Omron CV500-ETN01

Это 10 Mbps Ethernet communication module for CV-series PLCс. Он поддерживает TCP/IP, UDP/IP, Протоколы FINS и функции FTP-сервера, обеспечение обмена данными между ПЛК, хост-компьютеры и другие устройства ПЛК.

Пояснение кода модели

Сегмент кода	Описание
CV500	Omron SYSMAC CV-series PLC module, compatible with CPU units of CV500, CV1000, CV2000 and CVM1 series
ETN	Identifier for Ethernet communication function
1	Product version number, basic Ethernet unit

Основные характеристики

Элемент	Технические характеристики	Примечания
Basic Features
Communication Standard	Ethernet Version 2 (IEEE 802.3 compliant)	CSMA/CD access method supported
Transmission Rate	10 Мбит/с (baseband transmission)	Fixed speed
Transmission Medium	Coaxial cable (10БАЗА5)	Maximum segment length: 500 м
Макс. Nodes per Segment	100 nodes	Node spacing must be a multiple of 2.5 м
Коммуникационные порты	8 concurrent communication ports	Supports simultaneous operation of multiple applications
Supported Protocols	TCP/IP, UDP/IP, FINS, FTP Server	Socket interface communication available
Электрические характеристики
Источник питания	Powered by PLC backplane	Макс. current consumption: 1.7 А (including transceiver)
Transceiver Power Output	12 В постоянного тока, Макс. 0.35 А	Powers external transceivers
Разъем	15-pin D-sub (IEEE 802.3 compliant)	Equipped with slide lock mechanism
Physical Dimensions
Размеры	34.5×250×98.1 mm (Ш×В×Г)	Standard size for CV-series modules
Масса	500 г (приблизительно. 1.1 фунт)	Weight including housing
Mounting Position	Designated slots on CPU rack or expansion CPU rack	Depends on backplane type; максимум 4 units per PLC
Функциональные особенности
Network Diagnostics	PING response, inter-node test, error logging	Self-diagnosis and network status monitoring supported
FTP Function	File read & write (for RAM/EEPROM cards)	Requires V1-version CPU and PLC in PROGRAM mode
Data Buffer	TCP: 4 КБ (Tx/Rx); UDP: 9 КБ (Tx) / 9.016 КБ (Rx)	Refer to Appendix F for detailed configuration
Макс. Communication Distance	2.5 km per system (multiple segments via repeaters)	Single segment: Макс. 500 м

Full Model List (CV-series Ethernet Units)

Модель	Имя	Ключевые особенности	Сценарии применения
CV500-ETN01	Ethernet Unit	Базовый 10 Mbps Ethernet, 8 порты, FINS/FTP supported	Standard industrial Ethernet communication, ЧМИ & host monitoring
CV500-ETN11	Enhanced Ethernet Unit	More protocols, более высокая производительность	Complex network environments, multi-system integration
CV500-MC221	Ethernet Module	Rich integrated functions, Modbus TCP supported	Communication with third-party devices, SCADA integration
CV500-ETN21	High-speed Ethernet Unit	10/100 Mbps auto-negotiation	High-volume data transmission, real-time monitoring systems

> Примечание: Orders for CV500-ETN01 were suspended in March 2012, and full production ceased around 2017.

Сменные модели & Сравнение конкурентов

4.1 Official Omron Replacement Solutions

Оригинальная модель	Рекомендуемая замена	Совместимость	Improvements
CV500-ETN01	CS1W-ETN21	PLC needs to be upgraded to CS1 series	10/100 Mbps auto-negotiation, extended protocol support
CV500-ETN01	CJ1W-ETN21	PLC needs to be upgraded to CJ1 series	Компактный размер, более высокая производительность, PROFINET supported
CV500-ETN01	Built-in Ethernet of NJ/NX Series	Full PLC upgrade required	ЭтерНет/IP & Gigabit Ethernet supported, integrated motion control

4.2 Cross-brand Competitor Comparison (Совместимость функций)

Бренд	Модель	Transmission Rate	Supported Protocols	Ценовой диапазон
Сименс	CP 343-1	10/100 Мбит/с	TCP/IP, UDP, ПРОФИНЕТ	Medium-High
Мицубиси	QJ71E71-100	10/100 Мбит/с	TCP/IP, UDP, MC Protocol	Середина
Шнайдер Электрик	140NOE77101	10/100 Мбит/с	TCP/IP, UDP, Модбус	Medium-High
Роквелл Автоматизация	1756-ENBT	10/100 Мбит/с	TCP/IP, UDP, ЭтерНет/IP	Высокий
Омрон	CV500-ETN01	10 Мбит/с	TCP/IP, UDP, FINS, FTP	Низкий (Снято с производства)

Application Environment & Industry Cases

5.1 Применимые сценарии

Industrial Automation Production Lines: Communication between PLCs and host monitoring systems for production data acquisition and remote control.

Системы управления процессами: Data exchange among multiple PLCs for distributed control in chemical and power industries.

Логистика & Warehousing Systems: Control of AGVs and conveyors, data interaction with WMS.

Автоматизация зданий: Integration of HVAC and security systems for centralized monitoring and management.

Semiconductor Equipment: Precision control and data collection; FTP-based program update.

5.2 Not Recommended Scenarios

High-speed Real-time Control: Limited to 10 Мбит/с, not suitable for millisecond-level response requirements.

Modern Industrial Networks: Does not support Gigabit Ethernet, EtherNet/IP and other new protocols.

New Equipment Development: Снято с производства; no official technical support or spare parts supply.

Long-distance Communication: Single segment limited to 500 м; additional repeaters increase costs for long-range transmission.

5.3 Типичные случаи применения

Случай 1: Monitoring System for Automotive Component Production Lines

Конфигурация: 3 sets of CV1000 PLC + CV500-ETN01, connected via coaxial cables

Функции: Real-time collection of stamping, welding and assembly data, uploaded to SCADA system

Преимущества: 8 concurrent connections for simultaneous communication with HMI, database server and remote monitoring terminals

Key Technology: FINS for inter-PLC data sharing; FTP for remote program update

Случай 2: Data Acquisition for Food & Beverage Filling Lines

Конфигурация: CV500 PLC + CV500-ETN01 + Barcode Reader + Weighing Sensor

Функции: Collect bottle weight, production date and batch information, transmit to MES via Ethernet

Преимущества: UDP for high-speed data transmission; TCP ensures reliability of critical data

Поиск неисправностей: PING command and inter-node test for quick network fault diagnosis

Поиск неисправностей & Руководство по техническому обслуживанию

6.1 LED Indicator Diagnosis

Индикатор	Цвет	Статус	Значение	Решение
RUN	Зеленый	Выключенный	Module not running	Check power supply and restart PLC
ERC	Красный	On	Invalid node address (out of 1–126) or hardware failure	Reset node address; check module connection
ERH	Красный	On	PC error, wrong unit number or I/O table setting	Verify unit number; reconfigure I/O table
ERH	Красный	Мигает	IP address unset or invalid	Reconfigure IP address
SD/RD	Orange	Выключенный	No data transmission/reception	Check network wiring and communication parameters
FTP	Orange	On	FTP server active	Нормальное состояние
ТС	Orange	On	Inter-node test in progress	Нормальное состояние

6.2 Распространенные неисправности & Решения

Явление неисправности	Возможные причины	Решения
Communication failure	1. Conflicting unit/node number	1. Power off and reset unit number (00–15) & node number (1–126)
	2. Incorrect IP address	2. Check for IP address conflict
	3. Loose cable connection	3. Inspect locking of 15-pin D-sub connector
	4. Defective transceiver	4. Replace with a functional transceiver
FTP transmission failure	1. Non-V1 CPU version	1. Confirm V1 CPU (например. CV500-CPU01-EV1)
	2. PLC not in PROGRAM mode	2. Switch PLC to PROGRAM mode
	3. Memory card write-protected	3. Disable write protection on memory card
	4. Unsupported card type	4. Use RAM or EEPROM card (EPROM is read-only)
Slow communication speed	1. Overloaded network	1. Reduce concurrent connections (≤8)
	2. Buffer overflow	2. Optimize data volume and expand buffer
	3. Excessive transmission distance	3. Shorten transceiver cable (≤50 m)
Intermittent disconnection	1. Power fluctuation	1. Stabilize PLC power supply
	2. Electromagnetic interference	2. Separate communication cables from power cables; use shielded cables
	3. Overheated transceiver	3. Ensure good ventilation for transceivers

6.3 График технического обслуживания & Примечания

Maintenance Item	Cycle	Примечания по эксплуатации
Module Cleaning	Каждый 3 месяцы	Power off first; remove dust with dry compressed air. Do not use liquid cleaners.
Connector Inspection	Каждый 6 месяцы	Check for loose connection and pin oxidation; clean if necessary.
Network Test	Каждый 1 month	Run PING test and inter-node test to verify network quality.
Firmware Check	Каждый 1 год	Confirm firmware version; update with professional tools if required.
Spare Parts Preparation	Для критических систем	Prepare replacement modules or overall upgrade plans due to product discontinuation.

Рекомендации по выбору & Quick Reference

7.1 Three Key Points for CV500-ETN01 Selection

PLC Compatibility: Only for CV/CVM1 series; not compatible with CS/CJ series.
Communication Demand: 10 Mbps speed and 8 concurrent ports for basic Ethernet communication.
Product Lifecycle: Снято с производства. Select replacement models for new projects.

7.2 Troubleshooting Tips

LED off → Check power; LED blinking → Check IP address; steady red LED → Check parameter settings

Data transfer failure → Verify PROGRAM mode; unstable connection → Check EMI shielding; low speed → Reduce network load

7.3 Priority of Replacement Solutions

Series upgrade path: CV500 → CS1 → CJ1 → NJ/NX
Сопоставление функций: Ensure compatibility with original protocols (FINS/FTP) and new requirements
Cost evaluation: Balance the cost of module replacement and full system upgrade

Supplementary Content: Application Environment & Industry Cases

Application Environment (Совместимость & Restrictions)

1.1 Аппаратное обеспечение & Совместимость системы

PLC Platform: Exclusive to CPU racks and expansion racks of Omron CV500/CV1000/CV2000/CVM1 series. Макс. 4 units per PLC.

Network Topology: 10BASE5 thick coaxial cable. Single segment: Макс. 500 м; node spacing: multiple of 2.5 м; Макс. 100 nodes per segment. Total distance up to 2.5 km with repeaters.

Протоколы связи: TCP/IP, UDP/IP, FINS, FTP Server. 8 concurrent ports for multi-device communication.

Electrical Environment: Backplane power supply (1.7 А); external transceiver: 12 В постоянного тока / 0.35 А. Рабочая температура: 0–55 °С. Keep away from inverters and large motors to avoid strong electromagnetic interference.

1.2 Применимые сценарии (Преимущества)

✅ Renovation & Maintenance of Old Production Lines: Network upgrade for legacy CV-series PLCs (replacing traditional RS-232/422).

✅ Medium & Low-speed Data Acquisition: For non-real-time applications such as production status, temperature and pressure monitoring.

✅ Multi-PLC Networking: Networking of 3–10 CV-series PLCs in one workshop for FINS-based data exchange.

✅ Host Monitoring (SCADA): Data exchange between PLCs, industrial PCs and HMIs for process visualization and remote operation.

✅ Remote Program Update: Read/write CPU programs via FTP (RAM/EEPROM card), reducing on-site card plugging operations.

1.3 Restricted Scenarios (Ограничения)

❌ High-speed Real-time Control: 10 Mbps bandwidth insufficient for motion control, servo synchronization and high-frequency closed-loop control (например. упаковочные машины, high-speed machine tools).

❌ New Equipment Development: Discontinued since 2012; risk of spare parts shortage and no official support.

❌ Modern Industrial Networks: Incompatible with 100 Mbps/Gigabit Ethernet, ЭтерНет/IP, ПРОФИНЕТ, Modbus TCP and other mainstream industrial protocols.

❌ Long-distance & Complex Topology: Complicated cabling for coaxial cables, poor anti-interference performance and high maintenance costs.

Major Industry Applications (Popular in 2000–2010)

2.1 Automotive Component Production Lines (Самый распространенный)

Конфигурация: 3 × CV1000-CPU01-EV1 + CV500-ETN01 + 10BASE5 coaxial network + SCADA industrial PC

Процесс: Stamping, welding, assembly and inspection. Collect equipment status, output and yield data and upload to MES. FINS for inter-PLC safety interlock (например. welding stations).

Improvement: Replaced old RS-485 multi-drop network to solve slow speed and frequent disconnection. 8 concurrent ports support connection with HMI, MES and remote maintenance terminals simultaneously.

2.2 Еда & Beverage Filling Lines

Конфигурация: CV500-CPU01 + CV500-ETN01 + Weighing Sensor + Barcode Reader + FTP Server

Процесс: Bottle washing, filling, capping, labeling and inspection. UDP for high-speed transmission of bottle weight, batch number and production date; TCP guarantees reliability of yield and alarm data. FTP for remote recipe update.

Ценить: Cost-effective PLC-Ethernet-MES closed-loop system, meeting product traceability requirements for food industry.

2.3 Chemical Process Control (Взрывозащищенный & Высокая надежность)

Конфигурация: Redundant CVM1-CPU21-V2 + 2 × CV500-ETN01 (main/backup) + Redundant coaxial network + DCS host

Процесс: Reactor temperature & pressure control, pipeline flow monitoring and valve interlock. FINS for data exchange with DCS. PING and inter-node test for fast fault location.

Экологическая адаптивность: Wide temperature range and vibration resistance, suitable for dusty and humid chemical workshops.

2.4 Автоматизация зданий (ОВК & Безопасность)

Конфигурация: CV2000-CPU01 + CV500-ETN01 + Air-conditioning Controller + Fire Alarm System + Access Control System

Функции: Centralized temperature & humidity control for central air conditioning, fire alarm linkage and access data upload. 8 concurrent ports manage multiple subsystems simultaneously.

Преимущества: Cost-effective and reliable Ethernet solution for large buildings in the 2000s with easy maintenance.

2.5 Semiconductor Equipment (Legacy Non-critical Processes)

Конфигурация: CV500-CPU01-EV1 + CV500-ETN01 + Wafer Inspection Station + Data Server

Процесс: Status monitoring and data recording for non-critical processes such as wafer cleaning and packaging. FTP for inspection report upload and remote program download.

Примечание: Only applied to legacy equipment and non-high-speed processes. New devices adopt EtherNet/IP or Gigabit Ethernet.