Comtrol UP DeviceMaster Filtering and Data Extraction Manuale Utente Scaricare il pdf (Pagina 5)

Chapter 1. Introduction DeviceMaster UP Filtering and Data Extraction Reference Guide: 2000470 Rev. B - 5

Chapter 1. Introduction

Programming complicated tasks on a PLC can be very difficult and time consuming. Quite simply, what may

be relatively easy to program in a high-level programming language can be very difficult in ladder logic. The

filtering and data extraction functions in the DeviceMaster UP are intended to help solve those problems for

string, RFID and barcode data.

The data extraction and filtering processes in the DeviceMaster UP are designed to offload as much work as

possible from the PLC and/or application and provide a very simple and easy to use interface for standard

RFID and barcode data. This functionality and interface is designed to save dozens, possibly hundreds of lines

of ladder logic in a typical PLC program.

1.1. Data Type Definitions

The following data type definitions apply:

UINT Unsigned Integer (16 bit)

UDINT Unsigned Double Integer (32 bit)

STRING Character String (1 byte per character)

BYTE Bit String (8 bit)

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Comtrol UP DeviceMaster Filtering and Data Extraction Manuale Utente Pagina 5