FERRAZ controller Germany FERRAZ model FERRAZ price

The FERRAZ controller is the core of the access control system, the system brain that manages entrance and exit channels. It has evolved from traditional door locks. The door controller is an access control product that integrates card reading and control, available in standalone and networked types. Simply put, the access control controller is a machine that integrates the access control board and card reader; higher-end models also include a keyboard and display. It can be used as a complete access control system simply by connecting to a power supply. If a door uses card swipe for entry and button press for exit, the controller can connect to only one card reader per door, called a unidirectional controller. If a door uses card swipe for both entry and exit (an exit button can also be connected), each controller can connect to two card readers per door: one entry card reader and one exit card reader, called a bidirectional controller.

FERRAZ controller classification

1) Non-networked door controller: a single unit manages one door. It cannot be controlled via computer software, nor can records be viewed; control is performed directly through the controller. Features include low price and simple installation and maintenance. However, records cannot be viewed. It is not suitable for locations with more than 50 people or frequent staff turnover (referring to frequent hiring and resignations), nor for projects with more than 5 doors. 2) Networked door controller: an access control type that can communicate with a computer, allowing direct management via software, including card and event control. Benefits include convenient management, centralized control, record viewing, and analysis of records for other purposes. Features include higher price and increased difficulty in installation and maintenance, but training is simple, and value-added services such as attendance tracking are possible. Suitable for projects with many people, high mobility, and many doors. 3) TCP/IP network door controller: also known as Ethernet networked access control, this is a networkable access control system that connects computers and controllers via network cables. In addition to all the advantages of networked access control, it offers faster speed, simpler installation, greater networking capacity, and cross-regional or cross-city networking. However, equipment prices are high, and computer networking knowledge is required. Suitable for large projects, locations with many people, speed requirements, and cross-regional installations.

FERRAZ controller functions

1) Motion control: In the machining industry, programmable controllers are integrated with Computer Numerical Control (CNC) to perform motion control of machine tools. Many PLC manufacturers provide single-axis or multi-axis position control modules for driving stepper motors or servo motors. In most cases, the PLC sends data describing the target position to the module, which moves one or several axes to the target position. As each axis moves, the position control module maintains appropriate speed and acceleration to ensure smooth motion. It has been used in centerless grinding, stamping, segmented punching of complex parts, roll grinding, and grinding applications. 2) Timing control: The PLC provides users with a certain number of timers and sets timer instructions. For example, OMRON's CPM1A allows each timer to achieve timing control from 0·1 to 999·9s or 0·01 to 99·9s. SIEMENS's S7-200 series provides timers with time base units of 0·1s/0`01s and 0·00s, achieving timing from 0·001s to 3276·7s. Timer duration can be extended in specific ways. High timing precision and convenient, flexible timer setting. The PLC also provides high-precision clock pulses for accurate real-time control.

FERRAZ controller faults

The three conditions for microcontroller operation are power supply, clock crystal oscillator, and reset. When the microcontroller does not operate normally, we must first check these three conditions. Use a voltmeter or multimeter to detect the voltage between the power and ground pins to see if it is around 5V. To check if the clock crystal oscillator is working properly, it is best to use an oscilloscope to see if a sine wave pulse of the corresponding frequency can be detected. Reset detection is relatively simple. The microcontroller reset level is generally a high-level reset. When the microcontroller is powered on, a high level of around 5V usually appears on the reset pin. Additionally, when the reset button is pressed, a high level also appears on the reset pin. This can be detected using a standard voltmeter or multimeter.

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