ABB FMBA-01 사용자 설명서 - 페이지 15

{카테고리_이름} ABB FMBA-01에 대한 사용자 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. ABB FMBA-01 16 페이지. Modbus adapter module

General:

• Estimated min. lifetime: 100 000 h

• All materials UL/CSA-approved

• Complies with EMC standards EN 50081-2 and EN 50082-2

• Bus interface functionally isolated from drive

RS-485 link

Compatible devices: All RS-485 compliant devices

Medium: Shielded twisted pair cable, impedance 100 to 150 ohm

• Termination: 120 ohms (built in the 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.

Technical data and diagnostics

Name

Colour

HOST

RXD

Blinking

TXD

Blinking

Function

Green

The module is powered up.

The module receives data from the

bus. The LED blinks whether the

received data is address to the unit

or not.

The module sends data to the bus.