Altus AL-2005 Multitask Processor Module

Altus AL-2005 Multitasking Processor Module

New product out of manufacturer's box

Brand: Altus

Model: AL-2005

 

 

The Real-Time Multitasking Processor AL-2005 is a communication and algorithm processor that operates in conjunction

with AL-2003 or AL-2004 CPUs.

The AL-2005 processor can perform various tasks such as communicating with other equipment using

any protocols, mathematical calculations, and application programs written in high-level language ("C" language).

It can be used to perform highly complex tasks, freeing up the main processor to perform its conventional tasks,

such as scanning and actuation, allowing for a more balanced distribution of the processing load

between the two processors.

The AL-2005 processor supports writing traditional sequential applications or multitasking applications.

The latter allows for more efficient use of processor time, as

any task that does not require the CPU at a given moment can release it for another

task or application.

The executive program of the AL-2005, also called BIOS, is a preemptive real-time multitasking operating system,

that supports the simultaneous execution of several application programs. To do this,

it provides a library of functions to the application designer.

Through the support of this function library, it is possible to:

. develop multitasking applications using functions for task creation, event waiting,

resource waiting, semaphores, task identification, etc.;

. use floating-point arithmetic;

. perform dynamic memory allocation;

. access CP operands, through read and write functions for simple operands and

tables;

. access serial boards connected to the AL-2005 hardware, in RS-485 or RS-232C standard.

Serial communication with other equipment is done through optional modules coupled to the

AL-2005/RTMP. Each of these modules implements a different physical communication standard

(RS-485 or RS-232).

The photo shows the AL-2005 module with a communication interface coupled.

From the perspective of the CPU application program, all communication between the AL-2005/RTMP and the

CP or Remote CPU is performed through shared operand memory, in a user-transparent manner.

For this communication, the F-2005.016 function module is used, supplied along with the AL-2005/RTMP product.

The AL-2005/RTMP architecture is based on the 16-bit Intel 80C186 microprocessor, which has high integration of hardware resources and is especially suitable for industrial applications. The instruction code of this microprocessor is compatible with that of other Intel microprocessors used in compatible PC computers (80386, 80486, and others).

of the AL-2003

 

Module type Real Time Multitasking Processor

Processor 80C186 20 MHz 16 bits

RAM Memory 256 Kb (64 Kb occupied by BIOS)

Flash Memory for

applications

256 Kb (64 Kb occupied by BIOS)

Program loading

applications on the processor

Via serial channel through the AL-3860 loader

Operating system Preemptive multitasking

Programming Language

of applications

"C" language

Communication with the CP Through an F module called by means of a CHF instruction.

Access to CP operands Via image memory

Internal data buses

16 bits

Serial channel speed With only one serial channel: 38400 bauds

With two channels: 19200 bauds

Maximum time for

RTS signal shutdown

With one AL-2405 board: 150uS

With two AL-2405 boards: 950uS

Maximum number of tasks in

each AL-2005

8

Data transfer rate with

CPU image memory

Better than 1 Mbyte/s

Serial Ports COM1 and COM2 RS232C or RS-485 depending on the communication interface

AL-2405

Consumption 850 mA @ 5 Vdc

consider consumption of additional boards connected to the

AL-2005 Processor

Severity level of

electrostatic discharges (ESD)

According to IEC 1131 level 3 standard

Immunity to electrical noise type

oscillatory wave

 According to IEC1131 standard, severity level A and IEEE

 C37.90.1 (SWC)

Protection against electric shock

electric shock

According to IEC-536 (1976) standard, class I, when installed in

rack

Weight Without packaging: 500 g

With packaging: 700 g

Relative air humidity 5 to 95% non-condensing

Status indication 4 status indicator LEDs.

Maximum operating temperature

operation

60 °C

Storage temperature -25 to 70 °C

 

Date 26/05/2022

Weight: 0.420

Measurements 5x17x26

Locator: GP04CL38P5

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