The full name of the AFC system is the Automatic Fare Collection System. It is an automated system based on computer, communication, network, and automatic control technology to realize rail transit ticketing, ticket checking, billing, charging, statistics, clearing, and management. Rail transit in developed cities abroad has generally adopted this type of management system and has developed to a fairly advanced technological level. The automatic ticket issuing equipment for urban rail transit stations in China is originally from foreign countries. In recent years, China has carried out a large number of development and research work, proposed various forms of products, and the level of technology has been continuously improved. The development of domestic rail transit AFC system has experienced a process from scratch. With the development of computer technology and software, the technology of China's urban rail transit AFC has been integrated with the city's one card to achieve a card for urban and even urban areas.

The structure of the AFC system has been divided into five levels, namely, ticket, station terminal equipment, station computer system, line central computer system, and clearing system.

System Requirements

As the AFC terminal master control system, it is necessary to control and integrate a variety of field devices. For example, automatic ticket outlets, non-contact IC cards, display screens for displaying prompt information, blocking device controllers, central controllers, alarms, and the like. In addition, the on-site main control system is required to be built into the terminal equipment, so the requirements of the main control system and the adaptability to the environment are raised.

Combining the above-mentioned application field characteristics system has the following requirements

Dust-proof and wide-voltage input requirements Low-power consumption Fanless heat dissipation Good demand for multi-channel serial ports Multi-channel digital I/O applications High stability and high demand requirements System maintainability is efficient and convenient

Features

Fanless and low power design: The chassis adopts sheet metal + aluminum alloy structure, compact size, compact structure, with excellent sealing dust, heat dissipation and vibration performance. Modular design: CPU card cooling through the bottom of the box cooling The module supports the pull function, and the board module and the bottom of the box are tightly combined with the angle aluminum block to achieve a perfect heat dissipation effect.
Digital isolation technology: support 16-channel isolated digital output, output voltage: 5 ~ 40V, isolation voltage: 2,500Vdc; support 16-channel isolated digital input, input voltage: 5 ~ 24V, isolation voltage: 2,500Vdc, electrical characteristics: non-polarity Optocoupler input.
Wide voltage DC input: Supports DC12-24V direct power supply, suitable for changing wave of different voltages in the field. Active mounting bracket: Supports movable brackets that can be flipped by 90° to facilitate user maintenance.

Environmental adaptability

Power module: DC12V ~ DC24V input, output DC12V, support S0, S1, S5.
Hardware monitoring: System Temperature, CPU Temperature, Vcore, V12.0, V3.3, V5.0, VBAT, fault diagnosis digital display code function.
Dimensions: 200 mm (D) × 245 mm (W) × 102 mm (H)
Working environment: temperature: -20 °C ~ 60 °C;
Storage environment: -40°C~+80°C
Heat and humidity alternating: Temperature: -40°C～60°C; Humidity: RH=85%～90%, 48H.
Electromagnetic Compatibility:
— GB 9254-2008 Radiation disturbance (A) level;
— GB 9254-2008 Conducted disturbance (A) level;
— GB/T 17626.2.2006 Electrostatic discharge (2) class;
- GB/T 17626.4-2006 burst immunity (2);
— GB/T 17626.5-2008 Surge (impact) immunity (2) class;
— GB/T 17626.6-2008 Conducted immunity class (2).
— GB/T 17626.11-2008 Voltage dips, voltage short interruptions.
Reliability: average failure-free working time: MTBF ≥ 50000h; average maintenance time: MTTR ≤ 20 minutes.
Safety: Meet the basic requirements of GB4943-2001.
Anti-vibration: 5-17Hzs period/1.0mm amplitude; 17-200Hz/1.0g acceleration;
Impact resistance: acceleration (10g) duration (11ms).


Summary of the plan

EVOC ERP-1005 AFC equipment terminal for rail transit is an embedded machine for the main control unit of terminal equipment for rail transit AFC system. The system architecture adopts a modular board + backplane design scheme. The connection between the modules adopts a European pin connection to ensure a highly reliable operating environment. The fanless and low power consumption design uses a sheet metal + aluminum alloy structure as the housing. Small size, compact structure, excellent heat dissipation performance; rich interface functions, easy maintenance and expansion; excellent seal dust, heat dissipation and vibration resistance. It is a revolutionary product of AFC system terminal application field.

Product specification

Microprocessor: Onboard Intel® AtomTM N455 CPU, 1.66GHZ, DMI2.5GT/S, 512KB
Chipset: Intel® ICH8M
Memory: Onboard DDR3800MHZ2GB RAM Network Function: Provides 2 10/100/1000Mbps network interfaces, LAN1 supports Wake-up on LAN Function: Supports 2VGA+LVDS display, VGA1 analog output supports up to 1400x1050, VGA2 and LVDS support Maximum resolution is 1366×768, LVDS digital video output uses DVI-I (24+4) connector Audio function: Adopt HD standard, support MIC-IN/LINE-OUT
Watchdog function: support 255 levels, programmable by minute or second; support watchdog timeout interrupt or reset system External IO interface:
4 USB ports;
10 serial ports, including COM1, COM2, and COM3 are isolated serial ports. COM2 and COM9.COM10 support RS-232/RS-422/RS-485 switching. COM9 supports Modem wake-up.
1 parallel port;
Two 16-way GPIO ports, of which: GPIO1 is a digital GPIO, and GPIO2 is an isolated GPIO;
Two VGA display interfaces; one LVDS interface (DB24+4);
1 AUDIO interface (1 MIC-IN, 1 LINE-OUT);
1 CF card slot
Two 10/100/1000Mbps network interfaces;
1 PS/2 keyboard/mouse interface

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