Digital Watchdog x39 Manuel de service télécharger pdf (Page 12)

Introduction

10 VIPA GmbH CP486 ⋅ 4/94

1.5 Special Components

Interface Modules

The four serial interfaces are configurable by plugin modules. As a standard, the following

assignment is supplied: COM1 and COM3 as V24 interface, COM2 as 20mA interface and COM4

as RS422/485 interface.

Diagnostic Interface

All serial communications can be acquired by menas of the diagnostic terminal UPI-FOX via the

diagnostic interface. This interface makes available sending and receiving signals of the individual

interfaces as TTL signals.

Keyboard Extension

The module is equipped with special electronics enabling a keyboard cable extension up to 250m.

VGA Mode with Industrial RGB Monitors

The module includes in addition to the standard VGA signal an RGB signal for monitor connections

up to a distance of 250m.

Battery Backup

CP486 data are buffered by means of the battery in the PC (programmable controller). It has a

supplementary Lithium accumulator protecting the CP486 against overrun in removed mode

approx. 1/2 year.

Silicon Disk

Silicon disk is a storage medium without flexible components. It is suitable to application in rough

environment. Silicon disk is fixed installed and exchangeable only for servicing purposes. There are

following silicon disk versions:

- Chip Silicon Disk (IC3, IC4):

The module avails of two IC slots (IC3 and IC4) for the chip silicon disk. Different memory

modules (EPROMs, SRAMs or PEROMs) can be inserted into these slots. This chip silicon disk

has a capacity of 256KB or 1 MB respectively.

- Memory Card Silicon Disk

There is a plugin slot for the memory card silicon disk. The memory card is contrary to the

silicon disk an exchangeable medium based upon the cheque card memory. Memory cards have a

capacity of 128KB, 512KB and 1MB. OTP-ROM and SRAM memory cards are available.

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Digital Watchdog x39 Manuel de service Page 12