Omron CV500-ETN01 Ethernet Unit

هذا هو 10 Mbps Ethernet communication module for CV-series PLCق. It supports TCP/IP, UDP/IP, FINS protocols and FTP server functions, enabling data communication between PLCs, host computers and other PLC devices.

شرح كود النموذج

مقطع الكود	وصف
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

Main Specifications

غرض	تحديد	ملاحظات
Basic Features
Communication Standard	Ethernet Version 2 (IEEE 802.3 متوافق)	CSMA/CD access method supported
Transmission Rate	10 Mbps (baseband transmission)	Fixed speed
Transmission Medium	Coaxial cable (10BASE5)	Maximum segment length: 500 م
الأعلى. Nodes per Segment	100 nodes	Node spacing must be a multiple of 2.5 م
Communication Ports	8 concurrent communication ports	Supports simultaneous operation of multiple applications
Supported Protocols	TCP/IP, UDP/IP, FINS, FTP Server	Socket interface communication available
الخصائص الكهربائية
مزود الطاقة	Powered by PLC backplane	الأعلى. current consumption: 1.7 أ (including transceiver)
Transceiver Power Output	12 VDC, الأعلى. 0.35 أ	Powers external transceivers
موصل	15-pin D-sub (IEEE 802.3 متوافق)	Equipped with slide lock mechanism
الأبعاد المادية
أبعاد	34.5×250×98.1 mm (العرض × الارتفاع × العمق)	Standard size for CV-series modules
وزن	500 ز (تقريبا. 1.1 lb)	Weight including housing
موقف التركيب	Designated slots on CPU rack or expansion CPU rack	Depends on backplane type; maximum 4 units per PLC
الميزات الوظيفية
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 KB (Tx/Rx); UDP: 9 KB (Tx) / 9.016 KB (Rx)	Refer to Appendix F for detailed configuration
الأعلى. مسافة الاتصالات	2.5 km per system (multiple segments via repeaters)	Single segment: الأعلى. 500 م

قائمة النماذج الكاملة (CV-series Ethernet Units)

نموذج	اسم	الميزات الرئيسية	سيناريوهات التطبيق
CV500-ETN01	Ethernet Unit	أساسي 10 Mbps Ethernet, 8 ports, FINS/FTP supported	Standard industrial Ethernet communication, واجهة المستخدم البشرية & host monitoring
CV500-ETN11	Enhanced Ethernet Unit	More protocols, higher performance	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

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

نماذج الاستبدال & Competitor Comparison

4.1 Official Omron Replacement Solutions

النموذج الأصلي	Recommended Replacement	التوافق	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	حجم صغير, higher performance, PROFINET supported
CV500-ETN01	Built-in Ethernet of NJ/NX Series	Full PLC upgrade required	إيثرنت/IP & Gigabit Ethernet supported, integrated motion control

4.2 Cross-brand Competitor Comparison (التوافق الوظيفي)

ماركة	نموذج	Transmission Rate	Supported Protocols	نطاق السعر
سيمنز	سي بي 343-1	10/100 Mbps	TCP/IP, UDP, بروفينت	Medium-High
ميتسوبيشي	QJ71E71-100	10/100 Mbps	TCP/IP, UDP, MC Protocol	واسطة
شنايدر إلكتريك	140NOE77101	10/100 Mbps	TCP/IP, UDP, مودبوس	Medium-High
روكويل أتمتة	1756-ENBT	10/100 Mbps	TCP/IP, UDP, إيثرنت/IP	عالي
اومرون	CV500-ETN01	10 Mbps	TCP/IP, UDP, FINS, FTP	قليل (توقف)

بيئة التطبيق & حالات الصناعة

5.1 السيناريوهات القابلة للتطبيق

خطوط إنتاج الأتمتة الصناعية: Communication between PLCs and host monitoring systems for production data acquisition and remote control.

أنظمة التحكم في العمليات: Data exchange among multiple PLCs for distributed control in chemical and power industries.

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

أتمتة البناء: 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 Mbps, not suitable for millisecond-level response requirements.

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

New Equipment Development: توقف; no official technical support or spare parts supply.

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

5.3 حالات التطبيق النموذجية

قضية 1: Monitoring System for Automotive Component Production Lines

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

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

المزايا: 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

قضية 2: Data Acquisition for Food & Beverage Filling Lines

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

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

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

استكشاف الأخطاء وإصلاحها: PING command and inter-node test for quick network fault diagnosis

استكشاف الأخطاء وإصلاحها & دليل الصيانة

6.1 LED Indicator Diagnosis

Indicator	لون	Status	معنى	حل
يجري	أخضر	Off	Module not running	Check power supply and restart PLC
ERC	أحمر	On	Invalid node address (out of 1–126) or hardware failure	Reset node address; check module connection
ERH	أحمر	On	PC error, wrong unit number or I/O table setting	Verify unit number; reconfigure I/O table
ERH	أحمر	Blinking	IP address unset or invalid	Reconfigure IP address
SD/RD	Orange	Off	No data transmission/reception	Check network wiring and communication parameters
FTP	Orange	On	FTP server active	Normal status
TS	Orange	On	Inter-node test in progress	Normal status

6.2 الأخطاء الشائعة & الحلول

ظاهرة الخلل	الأسباب المحتملة	الحلول
فشل الاتصالات	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 (على سبيل المثال. 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 Maintenance Schedule & ملحوظات

عنصر الصيانة	دورة	ملاحظات العملية
Module Cleaning	كل 3 شهور	Power off first; remove dust with dry compressed air. Do not use liquid cleaners.
Connector Inspection	كل 6 شهور	Check for loose connection and pin oxidation; clean if necessary.
Network Test	كل 1 month	Run PING test and inter-node test to verify network quality.
Firmware Check	كل 1 سنة	Confirm firmware version; update with professional tools if required.
Spare Parts Preparation	For critical systems	Prepare replacement modules or overall upgrade plans due to product discontinuation.

إرشادات الاختيار & مرجع سريع

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: توقف. 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
مطابقة الوظيفة: Ensure compatibility with original protocols (FINS/FTP) and new requirements
Cost evaluation: Balance the cost of module replacement and full system upgrade

Supplementary Content: بيئة التطبيق & حالات الصناعة

بيئة التطبيق (التوافق & Restrictions)

1.1 Hardware & توافق النظام

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

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

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

Electrical Environment: Backplane power supply (1.7 أ); external transceiver: 12 VDC / 0.35 أ. درجة حرارة التشغيل: 0–55 °C. Keep away from inverters and large motors to avoid strong electromagnetic interference.

1.2 السيناريوهات القابلة للتطبيق (المزايا)

✅ 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 (القيود)

❌ High-speed Real-time Control: 10 Mbps bandwidth insufficient for motion control, servo synchronization and high-frequency closed-loop control (على سبيل المثال. packaging machines, 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, إيثرنت/IP, بروفينت, 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 (الأكثر شيوعًا)

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

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

تحسين: 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 طعام & Beverage Filling Lines

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

Process: Bottle washing, تعبئة, 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.

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

2.3 Chemical Process Control (مقاومة للانفجار & موثوقية عالية)

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

Process: 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.

القدرة على التكيف البيئي: Wide temperature range and vibration resistance, suitable for dusty and humid chemical workshops.

2.4 أتمتة البناء (التدفئة والتهوية وتكييف الهواء & Security)

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

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

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

2.5 Semiconductor Equipment (Legacy Non-critical Processes)

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

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

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