Datasheet > DTL-IFB-485

DTL-IFB-485

更新时间： 2024-11-28 06:54:51

品牌	Logo	应用领域
村田 - MURATA		电子
页数	文件大小	规格书
14页	450K
描述
Interface Board for Serial-Input Electronic Loads

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DTL-IFB-485 数据手册

Preliminary

Data Sheet

11/19/03

INNOVATION and EXCELLENCE

DTL-IFB-485

Interface Board

for Serial-Input Electronic Loads

General Description

Features

The DTL-IFB-485 uses a microcontroller with a 4-wire RS-485

interface to facilitate programming the DTL2A/2A-LC/3A/4A

serial-input (isolated) loads using simple ASCII command

strings through the serial port of a PC. THE DTL-IFB-485

plugs in to a DTL2/3/4 load and provides an address for the

load (range 0 to 255) set by two rotary hexadecimal switches

on the DTL-IFB-485. The standard RS-485 specification

provides for up to 32 devices connected up to 4,000 feet of

cable length. The DTL-IFB-485 operates at either 9600 or

1200 baud. The DTL-IFB-485 uses special high-input

impedance receivers, allowing 256 devices to be driven by a

single RS-485 port. A driver card can be installed in a PC, just

as a COM port (RS-232) would be and is programmed

identically to a normal RS-232 port. RS-232/RS485 interface

adapters can also be used. The DTL-IFB-485 provides a

convenient way to manage up to 256 electronic loads

dispersed over a large area, such as might be typically

encountered in a burn-in system or battery load/life test

system. The DTL-IFB-485 provides a 12-bit A/D option that

can read back the load voltage.

• Simplifies interfacing to DATEL's DTL2A, DTL2A-LC,

DTL3A & DTL4A, 100W serial-input electronic loads

• Connects to PC's serial port using RS485 adapter card

• Simplifies burn-in rack and load bank connections•

Microcontroller with a four-wire RS-485 interface

• Update loads individually or simultaneously

• Red/Green LEDs for fault/unit enabled

• WinBurn™ ActiveX Controls

Ordering Information

MODEL

DESCRIPTION

DTL-IFB-485

RS-485 serial Interface Board with A/D for

serial-input electronic loads. WinBurn™

Active X Control available upon request

(DTLx485)

DTL-DB10-6

6' Cable from RS-485 port to DTL-IFB-485

+Vcc

12-Bit

A/D

Set

Range

A1/B1A

RS-485

Receive

+ Load

- Load

DTLXA

Four

Digital

Micro-controller

Array/EEPROM

I/O lines

A2/B2

RS-485

Transmit

Series

Electronic

Load

Fault

Green LED

Board

Board in

Fault

Red LED

Figure 1. Simplified Schematic

DATEL, Inc. Mansfield, MA 02048 (USA) * Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 * Email: sales@datel.com * Internet: www.datel.com

12 3 4 5 6 7...14

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