Siemens TX-I/O Manual de usuario

Installation Instructions

Document No. 553-142

June 4, 2010

TX-I/O Power Supply and Bus Modules

Item Number 553-142, Rev. CA Page 1 of 4

Product Description

The TX-I/O™ product range includes Power Supply,

Bus Connection, and Island Bus Expansion

modules.

Power Supply Module

The TX-I/O Power Supply bridges communication

and power from one DIN rail to another and

generates 28.8 W (1.2A at 24 Vdc) to power TX-I/O

modules and peripheral devices.

24V24V

CS CD

24V

CS CD

TXIO0088R1

Figure 1. Power Supply Module.

Bus Connection Module

The Bus Connection Module bridges communication

and power from one DIN rail to another. It provides

the bus signal, module supply voltage, and field

device supply voltage to TX-I/O modules on an

additional DIN.

2 3

CS CD

TXIO0087R1

Figure 2. Bus Connection Module.

Island Bus Expansion Module

The TX-I/O Island Bus Expansion (IBE) module

increases the distance between the primary field

panel enclosure and expansion field panel

enclosures on the island bus. Each IBE supports two

segments of up to 200 ft (50 m) each.

TXIO0086R1

COM

TXA1.IBE

2 3

Figure 3. Island Bus Expansion Module.

Product Numbers

TXS1.12F4 TX-I/O Power Supply

TXS1.EF4 Bus Connection Module

TXA1.IBE Expansion module with RS-485

connection.

Warning/Caution Notation

WARNING

Personal injury or property

damage may occur if you do not

follow a procedure as specified.

CAUTION:

Equipment damage or loss of

data may occur if you do not

follow a procedure as specified.

Required Tools and Materials

Wire stripper/side cutter

Small flat-blade screwdriver

Digital multimeter (DMM)

Expected Installation Time

7 minutes

Document No. 553-142

Installation Instructions

June 4, 2010

Prerequisites

CAUTION:

No power wiring is connected to the field

panel controller or other TX-I/O

components at this time.

CAUTION:

The TX-I/O island bus must be mounted

on a DIN rail (1.38" × 0.3" × 0.04"

(35 mm × 7.5 mm × 1 mm)).

For energy management installations,

NEMA Type 1 or better enclosure with DIN

rails and source of 24 Vac.

For smoke control installations, PX Series

enclosures and service boxes. See the PX

Series Service Box Installation Instructions

(553-131).

TX-I/O™ Power Supply or Bus Connection

Module.

If mounting in an enclosure:

Enclosure is installed.

The power source is installed, as

applicable.

The power is OFF.

All necessary wiring is pulled and terminated

per the layout drawing.

Power and communication wiring is

terminated to the removable plugs supplied

with the devices.

Power Requirements

1. One of the following power sources is pulled to

the enclosure:

120 Vac, 60 Hz and terminated at the 115V

PX Series Service Box.

230 Vac, 50/60 Hz and terminated at the

230V PX Series Service Box.

24 Vac, 50/60 Hz Class 1 power limited from

a third-party transformer and connected to

a terminal block.

2. If powering a TX-I/O expansion panel, power

wiring is run from the transformer in the primary

panel to the expansion panel, if needed.

CAUTION:

For information on extending the TX-I/O

island bus outside the enclosure, see the

APOGEE Wiring Guidelines for Field

Panels and Equipment Controllers

(125-3002).

NOTE: Depending on the module types and point

configurations used, one service box

transformer may have insufficient power for

more than two TX-I/O Power Supplies. More

power may be required if using a Modular

Series with the maximum number of TX-I/O

modules.

General Installation Requirements

CAUTION:

All devices not isolated by a Trunk

Isolator/Extender (TIE) or isolation

transformer must be connected to the

same grounding point.

CAUTION:

Do not connect TX-I/O components to a

floating system neutral. Otherwise,

equipment damage will occur.

System Neutral ( ) must be

continuous throughout the TX-I/O

Bus.

System Neutral must be connected

to building approved earth-ground

() at a single point only at the 24

Vac transformer.

Page 2 of 4 Siemens Industry, Inc.

Document No. 553-142

Installation Instructions

June 4, 2010

Siemens Industry, Inc. Page 3 of 4

Installation 3. Using a flat blade screwdriver, push in each

mounting tab until it clips onto the DIN rail.

WARNING:

Turn OFF AC power at the ON/OFF

switch in the Service Box or

transformer enclosure.

CAUTION:

UL Listings require NEC Class I and

Class II wiring be kept separate from

each other. Use separate conduit and

cable tie bars to separate Class I

Digital Output (DO) wires from all other

Class II wiring.

CAUTION:

The TX-I/O™ island bus must extend

from the male bus connector of the TX-

I/O Power Supply or Bus Connection

Module.

The TX-I/O Power Supply and Bus

Connection Module only supply 24

Vac to I/O modules on the male

bus connector.

I/O modules on the female bus

connector of the TX-I/O Power

Supply or Bus Connection Module

do not receive power and have a

fault condition.

CAUTION:

Only insert or remove the field panel

controller, TX-I/O Power Supply, and

Bus Connection Module when the

power is OFF.

This device includes electrical and

electronic components and must not be

disposed of as domestic waste. Product

recovery and disposal must comply with

all national and local regulations.

4. Align an I/O module with the Power Supply or

Bus Connection Module, and slide the I/O

module down over the TX-I/O island bus

connector.

5. Push in each mounting tab until it clips onto the

DIN rail.

TXIO0064R1

Figure 3. Connecting Devices to the TX-I/O Island Bus.

Completing the Installation

CAUTION:

For RS-485 ALN or FLN, terminate

only one end of the shield wire on the

enclosure earth ground.

For a 3-wire system, terminal is

connected to reference wire. Protective

ground terminal may be connected to

earth ground.

For a 2-wire system, terminal is not

connected. Protective ground terminal

must be connected to earth ground.

Basic Steps for Connecting Devices to

the DIN Rail NOTE: Do not connect the power or network

communication cable until instructed to do

so during start-up.

The island bus establishes its own connection when

TX-I/O™ devices are plugged into one another on a

DIN rail. 1. Terminate power wiring to the 24 Vac

removable plug.

1. Slide out the mounting tabs. 2. If necessary, terminate wires to the

communications terminals (CS and CD).

2. Align the channel on the back of the device with

the DIN rail. The installation is now complete.

Document No. 553-142

Installation Instructions

June 4, 2010

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CS CD

24V

CS CD

BCM

24V24V

CS CD

24V

CS CD

13579111315

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PXC0009WDR1

3-WIRE

COMMUNICATION

TO COMPACT

(IF REQUIRED)

2-WIRE

COMMUNICATION

2-WIRE POWER

WIRING DIAGRAM IF ALL COMPONENTS ARE INSIDE THE SAME ENCLOSURE.

24V~ CS CD

24V~

Figure 5. TX-I/O Power Supply to Bus Connection Module Wiring.

Information in this document is based on specifications believed correct at the time of publication. The right is reserved to make changes as

design improvements are introduced. APOGEE and Insight® are registered trademarks of Siemens Industry, Inc. Other product or company

Siemens Industry, Inc.

Building Technologies Division

1000 Deerfield Parkway

Buffalo Grove, IL 60089-4513

U.S.A

Your feedback is important to us. If you have

comments about this document, please send them

to SBT_technical.editor.[email protected].

Document No.

Printed in the USA

Page 4 of 4

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