Y Advantech UNO-2053E Spezifikationen PDF herunterladen (Seite 15)

Pay-off with Constant Tension

Machine Automation

China

Project Introduction:

Tram systems have been advancing each year by incorporating the latest innovative technologies.

Recently, tram systems have been working provide steady and consistent tension on the cable, which

allows them to increase speed and improve stability. To manage this technology, the pulley requires a

PC to monitor and maintain constant tension while the pulley is in operation. Cable pulley systems are

built into very space constrained housings, which makes them difficult to maintain and repair. Therefore,

our customer needed a versatile and powerful industrial PC system which could be installed in a space

limited area, which was easily accessible, and which could function in harsh environments. Advantech's

UNO-3074 was the perfect choice, with its powerful CPU, versatile I/O interfaces, and its compact, fanless

design. Moreover, Advantech's PCI cards feature plug & play functionality, which reduces maintenance

time and costs over traditional ISA cards.

System Requirements:

In the past, the pay-off process was controlled by IPC's with an ISA card solution, which required a large

chassis and manually set resources (Address, IRQ). The increasing demand for high-speed railway

transportation has given way to new construction methods and standardized processes to maintain speed

rate and consistent tension. Therefore, computing calculations, mechanization, programmed operations,

and a real-time database are necessary. Furthermore, the customer was seeking a robust and compact-

sized solution, since the environment is very harsh with extreme temperatures, and the space within the

cable pulley system is limited.

Advantech provided the customer with the UNO-3074 with 4 x PCI cards to fulfill these strict requirements.

The UNO-3074 is a powerful and rugged fanless computer with rich I/O expansions. With compact

dimensions (180x177x237 mm) and wide operating temperature range (-10~55° C), the UNO-3074 is an

optimal choice for harsh and space-limited industrial applications.

System Description:

The UNO-3074 allows the insertion of 4 PCI cards to handle the sensors, actuators, switches or on/off

buttons, and also motor encoders to integrate 3rd party equipment for monitoring.

There are 4 PCI cards installed in the system; with the PCI-1713 and PCI-1723 working as isolated AI and

AO cards with closed-loop function for monitoring and providing constant cable tension for engineering.

Moreover, the PCI-1753 works as DI/O function to control sensors and push buttons to ensure the system

is on track. The PCI-1784 is an encoder, counter add-on card for PCI bus; and its flexible interrupt sources

are suitable for motor control and position monitoring.

System Diagram

Project Implementation:

Conclusion:

Advantech's UNO-3074 is an x86 platform that offers 4 x PCI card slots, 2 x LANs, 4 x serial ports, 4 x USB ports, a

CompactFlash card, a PC card and a Pentium 1.4G CPU. System integrators can reduce implementing time by leveraging a

PC-based open architecture. Also, the UNO-3074 provides a CompactFlash for data storage, and its compact size is suitable

for space limited devices. With UNO-3074, PCI cards are easy to install and operate, and with their plug & play feature, they

are easy to maintain and remove when necessary. By adopting the UNO-3074 with Advantech's PCI cards, a total solution for

monitoring and maintaining consistent tension for the cable pulley system was achieved.

UNO-3074

UNO-3074 Pentium M 1.4 GHz Embedded Automation Computer with 4xPCI and 1xPC Card Slot

PCI-1713 100 kS/s, 12-bit, 32-ch Isolated Analog Input Card

PCI-1723 12-bit, 8-ch Isolated Analog Output Card

PCI-1753 96-bit Digital I/O Card

PCI-1784 4-axis Quadrature Encoder and Counter Card

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