EIP Solution for Industrial DACS

System Introduction

The DACS (Data acquisition and control system) in this particular case is based on EVOC EIPs (Embedded Intelligent Platforms). Composed of PICMG1.0 devices and FPGA devices, the system can acquire and manage the data from different sensors, switches, relay, pump and so on. The communication between the subsystem and the server is based on TCP/IP protocol.

 

 

In a factory, various subsystems are required to be integrated together, such as substation, railway, process control in production line, equipment monitoring and so on. EVOC’s DACS is widely used in the detection, control, optimization, scheduling, management to improve product quality and output. It mainly consists of three parts: software, hardware and operating system.

 

You can easily configure a DACS to meet your needs for monitoring and control. The DACS is set up to handle many different digital/analog signal inputs/outputs. The PICMG1.0 backplane has 11 expansion slots to install data acquisition modules, supporting up to 1024-channel digital input/output.

 

System Principle

DACS can be structurally divided into three parts: Upper Computer, Lower Computer and
The Upper Computer is composed of high-stability and high-reliability EIPs; while the Lower Computer consists of PCI data acquisition and control card, accompanied terminal board and signal lines between them, all of which can be selected to meet customers’ specific requirements for the quantity and type of acquisition signals and control signals. The Server adopts high-reliability All-in-one Compact PCI Platform.

 

Signal Flow: After acquiring digital or analog signals, terminal board transfers them to PCI data acquisition and control card. After being amplified, the processed signals are to be transferred via PCI bus to the Upper Computer for DACS software analysis and processing, during which corresponding control commands can be generated. If the signals analyzed and processed are abnormal ones, the alarm would be triggered, thus achieving monitoring of terminal devices. Or after analyzing the abnormal signals directly, the system generates a series of commands to control PCI data acquisition and control card which generates TTL control signals. After being amplified, the TTL control signals are transmitted via terminal boards to corresponding terminal devices, thus realizing control of terminal devices.

 

The information processed by the Upper Computer are real-time transmitted to the Server via network for data backup, which upgrades the reliability of the system. Each substation in the system can be monitored and controlled by the Server, thus realizing real-time monitoring and control of the whole system, and facilitating software upgrade.

 

Block Diagram

System Configuration

1) Upper Computer
Small System
Chassis: IPC-810E
Backplane: IPC-6113LP4
System Board: FSC-1815V2NA
Processor: Supports Core™ 2 Duo CPU with FSB 800MHz
Memory: 2GB of DDRⅢ 800/1066 memory
Hard Disk: 320G SATA HDD
Power Supply: ATX 350W
Big System
Chassis: IPC-810E
Backplane: PCI-6113E4
System Board: FSC-1817
Processor: Supports Core™ I7 CPU LGA1155
Memory: 4GB of DDRⅢ 1066/1333 memory
Hard Disk: 320G SATA HDD
Power Supply: ATX 500W
All-In-One Compact PCI Server
Chassis: CPC-8404
System Board: CPC-1814
Processor: Onboard Intel Core 2 Duo L7500 1.6GHz CPU with FSB 800MHz
Memory: Onboard 2GB DDRⅡ667 memory
Power Supply: 350W ATX Power supply


2) Lower Computer
Data Acquisition Card
PCI-96DIO: 96-Channel digital input/output, 3-Channel Timer/Counter, 3-Channel PWM output
PCI-192DIO: PCI-96DIO + PCI-96DIOE, 192-Channel digital input/output, 3-Channel Timer/Counter 3-Channel PWM output
PCI-16MFP: 16-Channel single-end/8-Channel analog input, 16-Channel digital input/output, 2-Channel Analog output, 1-Channel Timer/Counter
Terminal Board:
PCLD-8710: Connect to PCI-16MFP via Signal cable PCL-10168-2M
PCLD-8750: Connect to PCI-96DIO/PCI-96DIOE via signal cable PCL-101100-1M
PCLD-8751: Connect to PCI-96DIO/PCI-96DIOE via signal cable PCL-10268-1M
PCLD-8752: Connect to PCI-96DIO/PCI-96DIOE via signal cable PCL-10268-1M

 

System Evaluation

This server can be widely applied in electric power control system, automatic control system of flow production line, etc.


 

 

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