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Technical data and diagnostics

Technical data and diagnostics

FMBA-01 Modbus Adapter module

Enclosure:

Mounting:

Into the option slot on the drive

Degree of protection:

IP20

Ambient conditions:

The applicable ambient conditions specified

for the drive in its manuals are in effect.

Indicators:

Three LEDs (HOST, RXD, TXD)

Connectors:

• 20-pin connector to drive (X2)

• 4-pin detachable screw connector to bus (X1)

• 6-pin jumper block for bus termination configuration (J1)

Power supply:

• +3.3 V ±5% max. 150 mA (supplied by the drive)

21.3

3.3

20.5

74.4

Содержание FMBA-01

Страница 1: ...ABB Drives User s Manual Modbus Adapter Module FMBA 01 ...

Страница 3: ...ive and adjoining equipment must be properly earthed Do not attempt any work on a powered drive After switching off the mains always allow the intermediate circuit capacitors 5 minutes to discharge before working on the frequency converter the motor or the motor cable It is good practice to check with a voltage indicating instrument that the drive is in fact discharged before beginning work The mo...

Страница 4: ...dience 9 Before you start 9 What this manual contains 9 Terms used in this manual 10 Overview 11 Overview 11 RS 485 standard 11 The FMBA 01 Modbus Adapter module 12 Compatibility 13 Delivery check 13 Mechanical installation 15 Mounting 15 Electrical installation 17 Overview 17 General cabling instructions 17 RS 485 connection 17 Bus termination 18 ...

Страница 5: ...Table of contents 8 Technical data and diagnostics 19 FMBA 01 Modbus Adapter module 19 RS 485 link 20 LED indications 20 ...

Страница 6: ... have the drive manuals available during the installation as they contain important information not included in this manual The drive manuals are referred to at various points of this document What this manual contains This manual contains information on the wiring configuration and use of the FMBA 01 Modbus Adapter module Safety instructions are featured on the first few pages of this manual Over...

Страница 7: ... manual Communication Module Communication Module is a name for a device e g a fieldbus adapter through which the drive is connected to an external communication network e g a fieldbus The communication with the module is activated with a drive parameter FMBA 01 Modbus Adapter module The FMBA 01 Modbus Adapter module is one of the optional fieldbus adapter modules available for ABB drives The FMBA...

Страница 8: ... system The communication protocol and communication speed depend on the used application For example the electrical characteristics of the PROFIBUS and MODBUS are based on the RS 485 standard The RS 485 transmission line consists of two wires A and B The signal transmission is based on the voltage difference between the wires Minimum detected voltage difference is 200 mV The potential difference ...

Страница 9: ...he connection of the drive to a RS 485 network The FMBA 01 provides galvanic isolation between the drive and RS 485 network and converts serial communication signals of the drive to RS 485 signal levels The FMBA 01 has a built in bus termination with fail safe circuitry The termination can be activated with a jumper The adapter module is mounted into an option slot on the motor control board of th...

Страница 10: ...lity The FMBA 01 Modbus Adapter module is compatible with all stations that comply with RS 485 Delivery check The option package for the FMBA 01 Modbus Adapter module contains Modbus Adapter module type FMBA 01 this manual ...

Страница 11: ...rovides the earthing of the fieldbus cable shield connected to the module On installation of the module the signal and power connection to the drive is automatically made through a 20 pin connector All drives do not use all the available signals so the connector on the drive may have fewer pins Mounting procedure Insert the module carefully into its position on the drive Fasten the screw Note Corr...

Страница 12: ...Switch off all dangerous voltages connected from external control circuits to the inputs and outputs of the drive General cabling instructions Arrange the bus cables as far away from the motor cables as possible Avoid parallel runs Use bushings at cable entries RS 485 connection RS 485 cable is connected to connector X1 on the FMBA 01 Modbus Adapter module X1 Description 1 SHLD Bus cable shield Co...

Страница 13: ...s termination which is configurable with jumper J1 pins Termination should be activated on devices located at bus ends and deactivated on other devices See the figure below RS 485 device ON RS 485 device OFF RS 485 device ON OFF Term Term Term Term RS 485 bus termination J1 Termination activated Termination activated Termination deactivated Termination deactivated J1 J1 J1 RS 485 device ...

Страница 14: ... IP20 Ambient conditions The applicable ambient conditions specified for the drive in its manuals are in effect Indicators Three LEDs HOST RXD TXD Connectors 20 pin connector to drive X2 4 pin detachable screw connector to bus X1 6 pin jumper block for bus termination configuration J1 Power supply 3 3 V 5 max 150 mA supplied by the drive 65 63 21 3 5 13 3 3 20 5 74 4 ...

Страница 15: ...e FMBA 01 Modbus Adapter module Topology Trunk line drop lines allowed Transfer rate 5 Mb s max Serial communication type Asynchronous half duplex RS 485 Protocol Depends on the used application Typically Modbus LED indications The FMBA 01 Modbus Adapter module is equipped with three green diagnostic LEDs The LEDs are described below Name Colour Function HOST Green The module is powered up RXD Bli...

Страница 16: ...lephone 358 10 22 11 Fax 358 10 22 22681 Internet http www abb com ABB Inc Automation Technologies Drives Motors 16250 West Glendale Drive New Berlin WI 53151 USA Telephone 262 785 3200 800 HELP 365 Fax 262 780 5135 3AFE68586704 REV A EN EFFECTIVE 27 06 2005 ...

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