Specifications

Bulletin No. VVDED397044US R12/00 Introduction

December 2000 MODBUS PLUS Communication Option

INTRODUCTION

The VW3A58302U MODBUS

PLUS Communication Option allows the

connection of an ALTIVAR

58 (ATV58) drive controller to MODBUS

PLUS networks. This allows a remote host to control the drive through the

network.

To build a MODBUS PLUS network, you must supply the following

equipment (available from Square D):

• Drop cable, 8 or 20 feet (see Table 1)

• MODBUS PLUS tap 990NAD230 00

• MODBUS PLUS trunk cable. See Table 2. Cable length depends on

your installation.

• Hand/Off/Auto operator must be installed as illustrated on pages 52

and 52. See Table 3 on page 4 for recommended operators.

Table 1: MODBUS PLUS Drop Cables

Length of Cable Catalog No.

8 ft (2.4 m) 990NAD219 10

20 ft (6 m) 990NAD219 30

Table 2: MODBUS PLUS Trunk Cable Catalog Numbers

Length of Cable on Reel Catalog No.

100 ft (30.5 m) 490NAA271 01

500 ft (152.5 m) 490NAA271 02

1,000 ft (305 m) 490NAA271 03

1,500 ft (457 m) 490NAA271 04

5,000 ft (1,525 m) 490NAA271 05