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TECH FASS s.r.o.
Věštínská 1611/19
153 00, Prague
Czech Republic

 
tel.: +420 257 224 398
tel.: +420 257 224 399
e-mail: techfass@techfass.cz

APS 400 - Hardware

The design of all standard APS 400 hardware components comes out from unified structure defining the demands on functionality and availability of peripheral circuits. Hardware components can be divided into 4 following categories; although the boarder between the second and the third item is not strictly done:

• MCA 168 controller
• Network modules and terminals
• Network interfaces (WIEGAND, ABA Track II, RS 232), I/O modules
• System power suppliers

MCA 168 controller

The core of APS 400 identification system is the controller; it determines the behavior of the whole system according to the user defined program. The system control program is stored in the memory of the controller as well as all the data necessary for evaluation of access rights, and the buffer of transactions. So the system operation is not conditioned by online connection to a superior server.

If there is necessary to operate more than 15,000 users it is possible to delegate the authorization process to the superior PC server (online operating mode is required). The other system functions stay unchanged. In this case it is possible to extend the number of the users up to tens of millions.

Integration of third party technologies to the APS 400 system can be created via inputs/outputs interconnection or through the serial data connection (using a communication interface for PC server). The upstream connection to the host PC can be carried out via Ethernet (TCP/IP protocol).

The MCA 168 controller itself is equipped with communication interface for APS BUS, Ethernet interface for superior PC, 8 logical inputs, 8 relays, tamper input, beeper, and LED indicators. Up to 64 slave reader modules and/or interfaces with a functionally unified architecture and 8 system power suppliers.

The memory configuration is given by the ACS license stored in the module. The event archive memory and the user data memory is shared, therefore the larger part of a memory is assigned to the users, the smaller part is assigned to the archive and vice versa.

Controller memory configuration
License	IDs count	Operation events memory
		MCA 168.1 (256 KB RAM)	MCA 168.2 (1 MB RAM)
ACS.0	10	8.158	57.728
ACS.1	50	8.126	57.310
ACS.6	100	8.078	57.230
ACS.2	500	7.726	56.878
ACS.3	1.000	7.294	56.446
ACS.4	5.000	3.790	52.942
ACS.5	15.000	-	44.190

Network reader modules

The network modules for the APS 400 system are delivered in various designs. Irrespective of a module’s specific design or ID technology used the functions provided by the modules are the same or very similar.

The contact less reading part of the reader module (the reader itself) is set by circuits capable to decode the ID stored in the token (card, key fob, etc.). This part is normally integrated (reader module) or could be external (mostly wiegand interfaced) and connected to the APS BUS by means of appropriate interface. The interface and external readers keep the reader module philosophy. When a higher security is demanded the card ID can be combined with a PIN code or any biometric sensor. The keypad reader can also be used for entering a function code (e.g. a reason of work interruption in time and attendance systems, various control functions etc.) The keypad can be used also for entering the ID directly (mostly for one-time codes).

The reader module is normally equipped with two digital inputs. Generally, the first one is being used for door status monitoring and the second one for request-to-exit button or handle contact. The function of both inputs is defined by a user program. The module standardly also contains two outputs, which are also program-driven. The first ones (mostly a relay outputs) are generally used for door lock control, the second outputs of the reader module (LEDs, open collectors, relays) can be used for alarm state signaling or other auxiliary functions.

The cabinet tamper signals an attempt to disassemble the module. Depending on the version of the module the micro switch or opto-electronic element or reed contact are used for this purpose. The tamper activity system response can be also pre-programmed by a user.

The beeper makes the communication between the system and the user friendly. It clearly acknowledges the validity of enclosed cards and can be also user pre-programmed. The signaling LEDs carry out similar functions and moreover indicate the operational mode of the reader module (APS BUS communication, emergency mode, etc.)

An important part of every reader module is the serial interface which serves to data communication between the module and the controller (APS Bus).

In case of higher security demands, when the door control elements have to be out of reach, the versions of reader modules with an external antenna are available. The electronic part of the module is mounted in the secure area and the external antenna module outside the protected area.

For a case of missing communication between the reader module and the controller, an optional "emergency mode" can be set on a reader module. The reader module then performs standard "Door open" function in standalone mode (for last 750 valid cards).

Network interfaces and I/O modules

Network interfaces and I/O modules ensures the connection of non-system components to the APS 400 system. It concerns mostly the readers equipped with WIEGAND, ABA Track II or RS 232 interface. Frequently used readers can be connected in this way, e.g. HID iClass, Philips Mifare or Mifare DESFire, Motorola and others. The block structure of the interface is the same as the reader module one; some peripheries contain indicators (LEDs, beepers), the interface can directly control these indicators. The system function with interface is the same as with reader modules.

Some interfaces are delivered in a "dual" design. They are occupying 2 successive addresses on APS Bus and are equipped by twofold number of inputs, outputs and other peripheral circuits. These interfaces (without connected readers) can be used also as I/O network expanders.

Power suppliers

The integral part of the APS 400 system is power suppliers. The back-up power suppliers/chargers with APS BUS connectivity and tamper input are available. PSU 71E system power suppliers are controlled and monitored via the APS BUS and are advisable for large scaled systems. Responses for their status changes can be pre-programmed by user program.

APS 400 system
System topology
Programming the controller
Macro-language contructions overview
APS 400 product catalogue