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EC20 Series PLC
User Manual
Version
Revision date
BOM
Emerson Network Power provides customers with technical support. Users may contact the nearest
Emerson local sales office or service center.
Copyright © 2005 by Emerson Network Power Co., Ltd.
All rights reserved. The contents in this document are subject to change without notice.
Emerson Network Power Co., Ltd.
Address: No.1 Kefa Rd., Science & Industry Park, Nanshan District 518057, Shenzhen China
Homepage: www.emersonnetworkpower.com.cn
E-mail: support@emersonnetwork.com.cn
V1.1
June 26, 2006
31011166
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Table of Contents
Related Manuals for Emerson EC20 Series
Summary of Contents for Emerson EC20 Series
- Page 1 Revision date June 26, 2006 31011166 Emerson Network Power provides customers with technical support. Users may contact the nearest Emerson local sales office or service center. Copyright © 2005 by Emerson Network Power Co., Ltd. All rights reserved. The contents in this document are subject to change without notice.
- Page 2 When operating Emerson PLC products, the safety rules in the industry, the general safety points and special safety instructions specified in this manual must be strictly observed.
- Page 3 Do not wire, inset or pull out the cable plug with power applied. Otherwise there is a danger of electric shock or circuit damage. Installation and wiring must be fastening and reliable. Bad contact may result in faulty operation of equipment.
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Page 4: Table Of Contents
Contents Chapter 1 Preface ................................1 Chapter 2 Product Introduction............................2 2.1 Outline................................2 2.2 Maximum Configuration ............................. 2 2.3 Internal Memory Capacity Of User Program ...................... 2 2.4 Resource Configuration Of System Soft-device ....................2 2.5 High-speed Input/Output Function........................3 2.6 Filter Function Of Input Port .......................... - Page 5 4.7.5 Power Consumption Of Expansion Module................... 12 4.7.6 Power Capacity Calculation In Expansion Connection................12 4.8 Programming Tool Of User Program........................ 12 Chapter 5 Input Characteristic ............................13 5.1 User Ports Of Main Module ..........................13 5.2 Input Port Characteristic And Signal Specification ................... 14 5.3 Inner Equivalent Circuit Of Input Port .......................
- Page 6 10.4.2 How To Stop (RUN → STOP) ......................30 10.5 Routine Maintenance ............................. 30 Chapter 11 Troubleshooting ............................32 Chapter 12 Instruction List.............................. 33 Chapter 13 Special Register............................38 13.1 Special Intermediate Register ........................38 13.2 Special Data Register............................. 42...
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Page 7: Chapter 1 Preface
This book contains text, diagrams and explanations that will guide the reader in the correct installation and operation of the EC20 series PLC and should be read and understood before attempting to install or use the product. The book describes the hardware, features and applications of the EC20 series PLC, also includes the options introduction, troubleshooting guide and instruction quick reference. -
Page 8: Chapter 2 Product Introduction
2.4 Resource Configuration Of System Soft-device Component Name Quantity Serial No. Note Input relay X000~X377 The soft-device numbering is octal code Output relay Y000~Y377 The soft-device numbering is octal code Auxiliary relay 2000 M0~M1999 Local relay LM0~LM63 EC20 Series PLC User Manual... -
Page 9: High-Speed Input/Output Function
Permit the most 128 bit-registers and 16 word-registers. 2.10 Support Online Modification Users can modify the program online during operation, which is greatly convenient for modifying and upgrading the user program in important production situation. EC20 Series PLC User Manual... -
Page 10: Multiple Password Protection Function
The main module has two asynchronism serial communication ports (COM1 provides RS232 and RS485 level), for communication with personnel computer, HMI and other equipment; and the main module has an inner standard Modbus protocol to compose 1:N network; and supports freedom protocol. Provide Profibus module to compose the Profibus network. EC20 Series PLC User Manual... -
Page 11: Chapter 3 Installation
3. Snap the clip closed, carefully checking to ensure that the clip has fastened the PLC securely onto the rail. 4. At last, install two DIN rail stops at the two sides of the PLC to avoid slippage around. Other EC20 series modules can be mounted using the same procedures. EC20 Series PLC User Manual... -
Page 12: Installation Dimensions
3. The dimensions for the outline and mounting holes of EC20-0808ER are shown in the Figure 3-6. And the dimensions for the outline and mounting holes of the analog signal expansion module such as EC20-4AD, EC20-4DA, EC20-4AM, and EC20-4TC are the same with that of EC20-0808ER. EC20 Series PLC User Manual... - Page 13 Chapter 3 Installation Figure 3-6 Dimensions of outline and mounting holes of EC20-0808ER and the analog signal expansion module EC20 Series PLC User Manual...
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Page 14: Chapter 4 Product Specifications
32/1(2)” in the table: Represent only one common port in logic, but two common ports in structure, and the two are connected inside the PLC. 4.2.2 I/O Expansion Module Table 4-2 I/O expansion module and configuration of EC20 series PLC Model Power Supply Vac... -
Page 15: Special Function Module
2-channel analog signal input module, 2-channel analog signal output module 4.3 Product Size The main modules of EC20 series PLC have the same height and width, but their lengths are related to the I/O ports. The size of each module is listed in Table 4-4. -
Page 16: Reliability
1,200,000 times 220Vac, 60VA, inductive load 1sec. ON / 1sec. OFF 300,000 times 4.7 Power Supply Specifications 4.7.1 Inner Power Supply Of Main Module Table 4-9 Power supply circuit character of EC20 series PLCs Item Unit Min. Typ. Max. Note... -
Page 17: Power Specifications Provided By Main Module To Expansion Module
5V/24V/GND and 24V/COM) by the main module to the expansion module must be derating. The derating relation is shown in Figure 4-3. Power load % Operation ambient °C temperature -5°C 50°C 55°C Figure 4-3 Derating curve between power output capacity and work temperature EC20 Series PLC User Manual... - Page 18 4.8 Programming Tool Of User Program ControlStar programming system provides the programming, up/down-loading, debugging and monitoring the user program of the EC20 series PLC. The system also provides abundant help information, which can use ladder diagram, instruction list and sequence functional diagram to program.
- Page 19 Control output port, group 3 isolated one another Y10~Y13, COM4 Control output port, group 4 The outline, port layout and function definition of EC20-3232BR and EC20-3232BT are the same. The port layout is shown in Figure 5-2: EC20 Series PLC User Manual...
- Page 20 The highest counting frequency of X0 and X1 port is high up to 50KHz The highest counting frequency of X2~X5 port is high up to 10KHz Input Only has one common port: COM Common port Output Have multi isolated common ports according to different point configuration. EC20 Series PLC User Manual...