2708326 datasheet, PDF - EEWORLD Datasheet

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2708326: Descriptionfiber optic transmitters, receivers, transceivers psi-mos-rs485w2/ FO 850 T; CategoryLED optoelectronic/LED; File Size1011KB，18 Pages; ManufacturerPHOENIX CONTACT; Websitehttps://www.phoenixcontact.com; Environmental Compliance

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fiber optic transmitters, receivers, transceivers psi-mos-rs485w2/ FO 850 T

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PSI-MOS-RS485W2/FO…

Fiber optic converter for RS-485 2-wire bus systems

INTERFACE

Data sheet

101973_en_04

Description

PSI-MOS-RS485W2/FO…

fiber optic

T-couplers

convert

to two fiber optic cables.

Virtually any cascadable star and tree structures can be

created using integrated bit retiming, even in a redundant

version if required. In this case, the required devices are

snapped onto DIN rail connectors, which ensure that the

supply voltage and data signals are routed through.

Devices with different transmission technologies (polymer,

HCS, and glass fiber) can be freely combined within a star

coupler.

PSI-MOS-RS485W2/FO 660...

devices are networked

using polymer fiber cable for distances up to 100 m and

HCS fiber cable for up to 800 m. They are connected via

F-SMA quick mounting connectors, which can be

assembled locally within a few minutes.

PSI-MOS-RS485W2/FO 850 ...

devices are available for

longer paths and can be used for distances up to 2800 m

using HCS fiber cable and B-FOC (ST

) fast connection

technology and up to 4200 m using multi-mode glass fiber

cable.

The PSI-MOS system can be used with input voltages from

18 V DC to 32 V DC and in a temperature range from -20°C

to +60°C.

PSI-MOS-RS485W2/FO…

devices can be used to convert

RS-485 2-wire bus systems to fiber optics.

All bus systems with 10/11-bit UART data format and NRZ

data encoding are supported. This includes popular bus

systems such as:

– Modbus ASCII/Modbus RTU

– SUCONET K

– S-BUS

– DH-485

– Various other company-specific bus systems

A transparent protocol is used to convert all common

transmission speeds up to a maximum of 500 kbps. The

integrated optical diagnostics enable fiber optic paths to be

monitored continuously during installation and even during

operation. The floating switch contact is activated when the

signal output on the fiber optic paths drops to a critical level.

This early alarm generation enables critical system states to

be diagnosed before they result in failure.

PSI-MOS-RS485W2/FO…

E termination devices

convert

an RS-485 interface to a fiber optic cable. They are ideal for

point-to-point connections.

If you have any technical problems, which you cannot resolve with the aid of this documentation, please contact

us during the usual office hours at:

Phone: +49 - 52 35 - 31 98 90

Fax: +49 - 52 35 - 33 09 99

E-mail: interface-service@phoenixcontact.com

Make sure you always use the latest documentation.

It can be downloaded at

www.phoenixcontact.net/catalog.

This data sheet is valid for all products listed on the following page:

PSI-MOS-RS485W2/FO…

Table of contents

Description..................................................................................................................................

Ordering data..............................................................................................................................

Technical data ............................................................................................................................

Safety regulations and installation notes.....................................................................................

4.1

4.2

Installation and operation ............................................................................................................................... 7

Installation in zone 2 ...................................................................................................................................... 7

Supported network structures.....................................................................................................

5.1

5.2

5.3

5.4

Point-to-point connections.............................................................................................................................. 8

Linear structures............................................................................................................................................. 8

Star structures ................................................................................................................................................ 8

Tree structures ............................................................................................................................................... 9

Function elements ......................................................................................................................

Definition of fiber optic diagnostics ............................................................................................

Configuration .............................................................................................................................

8.1

8.2

8.3

8.4

8.5

8.6

8.7

Setting the transmission speed .................................................................................................................... 11

10/11-bit selection (DIP 5) ............................................................................................................................ 11

Connection to fiber optic interfaces from third-party suppliers (DIP 6/7) ....................................................... 12

Activating the redundancy function (DIP 8)................................................................................................... 12

Disabling the second fiber optic port (DIP 9) ................................................................................................ 12

Switch with no function (DIP 10) ................................................................................................................... 12

Mixed operation of PSI-MOS and PSM-EG .................................................................................................. 12

Connection notes ......................................................................................................................

9.1

9.2

9.3

9.4

Combined assembly with a system power supply unit (modular star coupler) .............................................. 13

Assembly as an individual device in the control cabinet (stand-alone) ......................................................... 14

Assembly in potentially explosive areas ....................................................................................................... 14

Removal ....................................................................................................................................................... 14

10 Cabling notes.............................................................................................................................

10.1

10.2

10.3

10.4

Connecting the supply voltage ..................................................................................................................... 15

Connecting the data cables/bus termination................................................................................................. 15

Wiring the switch contact.............................................................................................................................. 16

Connecting the fiber optic cables ................................................................................................................. 17

11 Signal delay ...............................................................................................................................

101973_en_04

PHOENIX CONTACT

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