Rockwell Automation 1790-TXXXX User Manual

Installation Instructions

Digital Expansion Terminal Block
CompactBlock LDX I/O

(Cat. Nos. 1790-T16BV0X, -T8BV8VX, -T8BV8BX, -T0B16X,

-T0V16X, -T0W8X, -T8A0X, -T0A8X)

What This Document Describes

This document describes how to install your CompactBlock
LDX I/O.

For information on: Refer to page:

Important User Information 2

Installing CompactBlock LDX I/O 5

Connecting an Expansion Block to a Base Block 8

Wiring the Expansion Blocks 10

Troubleshooting with the Indicators 13

Specifications 14

1PRE Publication 1790-IN005B-EN-P - April 2003

2

WARNING

!

WARNING

!

Important User Information

Because of the variety of uses for the products described in this
publication, those responsible for the application and use of these
products must satisfy themselves that all necessary steps have been
taken to assure that each application and use meets all performance
and safety requirements, including any applicable laws, regulations,
codes and standards. In no event will Rockwell Automation be
responsible or liable for indirect or consequential damage resulting
from the use or application of these products.

Any illustrations, charts, sample programs, and layout examples
shown in this publication are intended solely for purposes of
example. Since there are many variables and requirements associated
with any particular installation, Rockwell Automation does not
assume responsibility or liability (to include intellectual property
liability) for actual use based upon the examples shown in this
publication.

Allen-Bradley publication SGI-1.1, Safety Guidelines for the

Application, Installation and Maintenance of Solid-State Control

(available from your local Rockwell Automation office), describes
some important differences between solid-state equipment and
electromechanical devices that should be taken into consideration
when applying products such as those described in this publication.

Reproduction of the contents of this copyrighted publication, in
whole or part, without written permission of Rockwell Automation, is
prohibited.

Throughout this publication, notes may be used to make you aware
of safety considerations. The following annotations and their
accompanying statements help you to identify a potential hazard,
avoid a potential hazard, and recognize the consequences of a
potential hazard:

Publication 1790-IN005B-EN-P - April 2003

Identifies information about practices or
circumstances that can cause an explosion in a
hazardous environment, which may lead to
personal injury or death, property damage, or
economic loss.

3

ATTENTION

!

IMPORTANT

ATTENTION

!

Identifies information about practices or
circumstances that can lead to personal injury or
death, property damage, or economic loss.

Identifies information that is critical for
successful application and understanding of the
product.

Preventing Electrostatic Discharge

This equipment is sensitive to electrostatic
discharge, which can cause internal damage and
affect normal operation. Follow these guidelines
when you handle this equipment:

• Touch a grounded object to discharge
potential static.

• Wear an approved grounding wriststrap.

• Do not touch connectors or pins on

component boards.

• Do not touch circuit components inside the
equipment.

• If available, use a static-safe workstation.

• When not in use, store the equipment in

appropriate static-safe packaging.

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4

ATTENTION

!

Environment and Enclosure

This equipment is intended for use in a Pollution
Degree 2 industrial environment, in overvoltage
Category II applications (as defined in IEC
publication 60664-1), at altitudes up to 2000 meters
without derating.

This equipment is considered Group 1, Class A
industrial equipment according to IEC/CISPR
Publication 11. Without appropriate precautions,
there may be potential difficulties ensuring
electromagnetic compatibility in other
environments due to conducted as well as radiated
disturbance.

This equipment is supplied as "open type"
equipment. It must be mounted within an
enclosure that is suitably designed for those
specific environmental conditions that will be
present and appropriately designed to prevent
personal injury resulting from accessibility to live
parts. The interior of the enclosure must be
accessible only by the use of a tool. Subsequent
sections of this publication may contain additional
information regarding specific enclosure type
ratings that are required to comply with certain
product safety certifications.

See NEMA Standards publication 250 and IEC
publication 60529, as applicable, for explanations
of the degrees of protection provided by different
types of enclosure. Also, see the appropriate
sections in this publication, as well as the
Allen-Bradley publication 1770-4.1 ("Industrial
Automation Wiring and Grounding Guidelines"),
for additional installation requirements pertaining
to this equipment.

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WARNING

!

WARNING

!

Installing CompactBlock LDX I/O

Follow these steps to install the expansion block:

1. Mount the block.

2. Connect an expansion block to a base block.

3. Wire the expansion blocks.

These steps are explained in detail in the following sections.

When used in a Class I, Division 2,
hazardous location, this equipment must be
mounted in a suitable enclosure with the
proper wiring method that complies with
the governing electrical codes.

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Compact

PULL

PULL

Compact

PULL

PULL

Compact

PULL

PULL

Compact

PULL

PULL

Compact

PULL

PULL

Compact

PULL

PULL

Compact

PULL

PULL

Mount the Expansion Block

Mount the expansion block and connect it to a
previously-installed CompactBlock LDX I/O base or expansion
block.

Beginning with the base block, you can mount your
CompactBlock LDX I/O blocks either horizontally or vertically:

• horizontally (left to right) - add expansion blocks in an
end-to-end configuration

• vertically (up or down) - add expansion blocks either up or
down in a back-to-back configuration. In this configuration,
you must use the optional 15cm ribbon cable
(1790-15CMCBL) and alternately position the blocks in a
right-side up, upside-down fashion.

Compact

Block LDX

Compact

Block LDX

EXPANSION UNIT

PULL

RIGHT SIDE UP

Horizontal mounting

EXPANSION UNIT

PULL

PULL

RIGHT SIDE UP

Vertical mounting

Compact

Block LDX

PULL

PULL

PULL

PULL

Compact

EXPANSION UNIT

RIGHT SIDE UP

UPSIDE DOWN

Compact

Block LDX

Compact

EXPANSION UNIT

RIGHT SIDE UP

EXPANSION UNIT

PULL

RIGHT SIDE UP

Block LDX

PULL

EXPANSION UNIT

Block LDX

PULL

Compact

Block LDX

The longer expansion cable
(1790-15CMCBL) will allow
up to 7cm of space in between
blocks.

PULL

EXPANSION UNIT

PULL

PULL

PULL

RIGHT SIDE UP

You can mount your blocks on a panel or DIN rail as
described in the following section.

Publication 1790-IN005B-EN-P - April 2003

Panel Mounting

1. On the panel, position the expansion block next to your
previously-installed base block.

2. Gently pull and position the expansion covers inward.

3. Place a center punch, nail or similar device through the

mounting holes in the block (lower left and upper right
corners of the module) and make two marks on the
panel.

4. Remove the block and drill two holes in the panel to
accommodate each of the mounting screws.

5. Replace the block on the panel and place a screw

through each of the two mounting holes. Tighten the
screws until the block is firmly in place.

95 mm

3.74 in

7

41 mm

1.6 in

EXPANSION UNIT

0

CompactBlock LDX

1790-16BVOX

16 INPUTS-DCPOWER

0

7

7

Expansion
Cover

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ATTENTION

!

DIN Rail Mounting

1. On the DIN rail, position the expansion block next to
your previously-installed base block.

2. Hook the top slot of the block over the DIN rail.

3. Pull down on the locking lever while pressing the block

against the rail.

f

Locking Lever

4. Push up on the locking lever when block is flush
against the rail. This secures the block to the rail.

Connect an Expansion Block to a Base Block

Expansion blocks should not be installed
when power is applied to the base.

1. Pull and position the expansion covers inward on both
the base and expansion blocks.

Publication 1790-IN005B-EN-P - April 2003

2. Position the expansion block with proper spacing.

Base Block Expansion Block

95 mm

3.74 in

25 mm

1 in

95 mm

3.74 in

9

41 mm

1.6 in

lock LDX

CompactB

X

O

V
B
6

0-1

9

7

1
IT
N

U

N

IO

S

AN

P

X

E

S

T

PU

IN
C
D

0

R

E

W
O
P

C

-D

TS

PU

IN

16

7

S
T
U

TP
U

O

C

D

0

7

EXPANSION UNIT

0

Expansion cover

CompactBlock LDX

1790-16BVOX

16 INPUTS-DCPOWER

7

DC OUTPUTS

0

7

DC INPUTS

Expansion cover

3. Mount the expansion block using panel or DIN rail
mounting, as described in the previous section.

4. Plug the expansion cable into the base and expansion
blocks.

IMPORTANT

The expansion cable can only be
connected to the modules so that the red
stripe on the cable is on the bottom as
shown below.

To install plug, gently pull

and swing cover inward

CompactBlock LDX

EXPANSION UNIT

DC INPUTS

0

CompactBlock LDX

1790-8BV8V

MOD NET

DC INPUTS

0

STATUS

8 INPUTS/8OUTPUTS-DC POWER

7

DC OUTPUTS

0

7

Red strip must be on bottom
of expansion cable

16 INPUTS-DCPOWER

DC OUTPUTS

0

7

1790-16BVOX

41 mm

1.6 in

7

5. Replace the expansion covers on all blocks.

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Wire the Expansion Blocks

The following figures show the wiring information for the
expansion blocks.

1790-T16BVOX Input Expansion Block Wiring Diagram

IN0

1

• For inputs 0-7: Sinking inputs - wire COM 0 (pin 9) to Field Power (-) GND
Sourcing inputs - wire COM 0 (pin 9) to Field Power (+) 24V dc

• For inputs 8-15: Sinking inputs - wire C OM 1 (pin 11) to Field Power (-) GND
Sourcing inputs - wire COM 1 (pin 11) to Field Power (+) 24V dc
Note: both COM 0 are internally connected - COM 0 is used for inputs 0-7, COM

1 is used for inputs 8-15. Both COM 1 are internally connected.

1790-T8BV8VX Input/Output Expansion Block Wiring Diagram

IN0

1

• Sinking inputs - wire COM (pin 9) to Field Power (-) GND
Sourcing inputs - wire COM (pin 9) to Field Power (+) 24V dc
Note: both COM (pins 9 and 10) are in te rna ll y connected.

• Sinking outputs -wire VDC (pin 11) to Field Power (+) 24Vdc,
wire GND (pin 12) to Field Power (-) GND

IN1

2

IN1

IN4

IN2

3

2

4

COM0

IN6

5

7

9

6

8

IN5

IN3

IN2

3

4

IN4

5

IN7

COM

IN6

7

9

6

8

IN5

IN3

IN7

COM1

10

COM0

VDC

10

COM

11

COM1

11

12

12

GND

IN8

13

OUT0

13

14

IN9

OUT2

14

OUT1

IN10

15

15

16

IN11

OUT4

16

OUT3

IN12

17

17

OUT5

18

IN13

OUT6

18

IN14

19

20

IN15

19

20

OUT7

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1790-T8BV8BX Input/Output Expansion Block Wiring Diagram

IN0

1

• Sinking inputs - wire COM (pin 9) to Field Power (-) GND
Sourcing inputs - wire COM (pin 9) to Field Power (+) 24Vdc
Note: both COM (pins 9 and 10) are in te rna ll y connected.

• Sourcing outputs -wire VDC (pin 11) to Field Power (+) 24Vdc,
wire GND (pin 12) to Field Power (-) GND

2

IN1

IN2

IN4

COM

IN6

3

5

7

4

6

8

IN5

IN3

IN7

9

10

COM

VDC

11

12

GND

OUT0

13

OUT2

14

OUT1

15

OUT4

16

OUT3

17

OUT6

18

OUT5

19

20

OUT7

1790-T0B16X Output Expansion Block Wiring Diagram

OUT0

• Sourcing outputs - wire VDC0 (pin 9) and VDC1 (pin 11) to Field Power (+)
24V dc, wire GND0 (pin 10) and GND1 (pin 12) to Field Power (-) GND

1

OUT1

OUT2

2

3

OUT3

OUT4

4

5

OUT5

OUT6

6

7

OUT7

VDC0

8

9

GND0

VDC1

10

11

GND1

12

OUT8

13

OUT10

14

OUT9

OUT12

15

16

OUT11

17

OUT13

OUT14

18

19

20

OUT15

1790-T0V16X Output Expansion Block Wiring Diagram

OUT0

• Sinking outputs - wire VDC0 (pin 9) and VDC1 (pin 11) to Field Power (+) 24V
dc, wire GND0 (pin 10) and GND1 (pin 12) to Field Power (-) GND

1

OUT1

OUT2

2

3

OUT3

OUT4

4

5

OUT5

OUT6

6

7

OUT7

VDC0

8

9

GND0

VDC1

10

OUT8

11

12

GND1

13

OUT10

14

OUT9

15

16

OUT11

OUT12

17

OUT13

OUT14

19

18

OUT15

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12

1790-T0W8X Relay Output Expansion Block Wiring Diagram

VDC

1

OUT0

2

GND

3

COM0

OUT1

4

5

COM1

OUT2

6

7

8

COM2

OUT3

9

OUT4

10

COM3

11

COM4

OUT5

12

13

COM5

OUT6

14

15

COM6

OUT7

16

17

COM7

18

NC

19

20

NC

• Wire VDC (pin 1) to Field Power (+) 24Vdc

Wire GND (pin 2) to Field Power (-) GND

1790-T8A0X AC Input Expansion Block Wiring Diagram

VAC

1

• Wire 120Vac Field Power t o VAC (pin 1) and COM (pin 2)

Note: all VAC are internally connected. All COM are internally connected.

2

COM

VAC

3

4

COM

IN0

5

6

COM

IN1

7

8

COM

IN2

9

COM

10

IN3

11

12

COM

IN4

13

14

COM

IN5

15

16

COM

IN6

17

18

COM

IN7

19

20

COM

1790-T0A8X AC Output Expansion Block Wiring Diagram

VAC

• Wire 120Vac Field Power t o VAC (pin 1) and COM (pin 2)

Note: all VAC ar e internally connec te d . Al l C O M are internally connected.

1

2

COM

VAC

3

4

COM

0UT0

5

6

COM

0UT1

7

8

COM

0UT2

9

10

COM

0UT3

11

12

COM

0UT4

13

0UT5

14

COM

15

16

COM

OUT6

17

OUT7

18

COM

19

20

COM

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Troubleshoot with the Indicators

Use the I/O status indicators to troubleshoot your expansion
blocks:

I/O Status Indicators

Function: LED Color: Module Illumination: Condition:

Outputs Each output:

Inputs Each Input:

Green

Green

None
Green

None
Green

Output not energized
Output energized

No valid input
Valid input

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Digital Expansion Block Specifications

The following table contains specifications that are common to
all of the expansion blocks in this document. Individual

expansion block specifications are detailed after this table.

Environmental Specifications

Operating Temperature 0 to 55°C (32 to 131°F) - Analog I/O

Storage Temperature -40 to 85°C (-40 to 185°F)

Relative Humidity 5-90% non-condensing

Operating Altitude 2000m

Vibration 2g @ 10-500Hz

Shock
Operating
Non-operating

Emissions Group 1, Class A

ESD Immunity 8kV air discharges

Radiated RF Immunity 10V/m with 1kHz sine-wave 80%AM from 80MHz to 1000MHz

EFT/B Immunity 1kV @ 5kHz on power ports

Surge Transient Immunity +

Conducted RF Immunity 10Vrms with 1kHz sine-wave 80%AM from 150kHzto 80MHz

Enclosure Type Rating None (open style)

Mounting DIN rail or screw

Dimensions 52x104x42mm (2.03x4.07x1.64in)

Weight 0.3lb (0.1kg)

IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock)

IEC 60068-2-1 (Test Ab, Un-packaged Non-operating Cold),
IEC 60068-2-2 (Test Bb, Un-packaged Non-operating Dry

Heat),

IEC 60068-2-14 (Test Na, Un-packaged Non-operating Thermal

Shock)

IEC 60068-2-30 (Test Db, Un-packaged Non-operating)

IEC60068-2-6 (Test Fc, Operating)

10g
30g
EC60068-2-27 (Test Ea, Unpackaged Shock)

CISPR 11

IEC 61000-4-2

10V/m with 200Hz 50% Pulse 100%AM @ 900Mhz

IEC 61000-4-3

+

2kV @ 5kHz on signal ports

IEC 61000-4-4

1kV line-line(DM) and +2kV line-eath(CM) on power ports

+

1kV line-line(DM) and +2kV line-eath(CM) on signal ports

EC 61000-4-5

IEC 61000-4-6

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DeviceNet Specifications

Network protocol I/O Slave messaging:

Network length 500 meters maximum @ 125Kbps

Indicators 1 red/green module status

Number of nodes 64 maximum - rotary switch type node address setting

Communication rate 125Kbps, 250Kbps, 500Kbps - auto baud rate selection

Isolation Type test 1250Vac rms for 60 seconds between field power and

Wiring Refer to publication DN-6.7.2

General Specifications

Wiring Category

Product
Certifications
(when product is
marked)

1

Refer to publication 1770-4.1, Programmable Controller Wiring and Grounding Guidelines.

2

See the Product Certification link at www.ab.com for Declarations of Conformity, Certificates, and other

certification details.

- Poll command

- Bit Strobe command

- Cyclic command

- COS command

100 meters maximum @ 500Kbps

1 red/green network status

DeviceNet (I/O to logic)

1

2

c-UL-us UL Listed for Class I, Division 2 Group A,B,C,D Hazardous

Locations, certified for U.S. and Canada

2

CE

European Union 89/336/EEC EMC Directive, compliant

with:

EN 50082-2; Industrial Immunity
EN 61000-6-4; Industrial Emissions

EN61326; Meas./Control/Lab., Industrial Requirements

EN 61000-6-2; Industrial Immunity

2

C-Tick

ODVA ODVA conformance tested to DeviceNet specifications

Australian Radiocommunications Act, compliant with:
AS/NZS CISPR11; Industrial Emissions

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Universal DC Input Expansion Block Specifications

1790-T16BVOX

Inputs per expansion block 16 points, sinking or sourcing

On-state voltage 9.6V dc minimum

Off-state voltage 5.0V dc maximum

On-state current 8mA maximum per channel @ 28.8V dc

Nominal input impedance 4.8K

Input signal delay Off to On: 10ms maximum

Indicators 16 green input status

Common type 8 points/2COM (non-polarity)

General Specifications

Isolation I/O to logic: photocoupler isolation

Wiring Terminal block (M3.0)

Field Power Power dissipation - 3.68W maximum @ 28.8V dc

24V dc nominal

28.8V dc maximum

Ω

On to Off: 10ms maximum

Isolation voltage: 1250V ac rms
DeviceNet to logic: non-isolated
DeviceNet power: non-isolated

- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors

DC Input/Output Combination Expansion Block Specifications

1790-T8BV8VX, -T8BV8BX

INPUT SPECIFICATIONS

Inputs per expansion block 8 points non-isolated, sinking or sourcing

On-state voltage 9.6V dc minimum

On-state current 8mA maximum per point @ 28.8V dc

Off-state voltage 5V dc maximum

24V dc nominal

28.8V dc maximum

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Nominal input impedance 4.8K

Input signal delay Off to On: 10ms maximum

Indicators 8 green status

Common type 8 points/2 COM (non-polarity) - 1790D-T8BV8VX

OUTPUT SPECIFICATIONS

Outputs per expansion block 8 points non-isolated, sinking - 1790D-T8BV8VX

On-state voltage 10V dc minimum

On-state voltage drop 0.5V dc maximum

On-state current 1mA minimum per channel

Off-state leakage 0.5mA maximum

Output signal delay Off to On: 0.5ms maximum

Indicators 8 green status

Output current rating Maximum 0.5A per output

Common type 8 points/2 COM - 1790D-T8BV8VX

General Specifications

Field Power Supply voltage - 24V dc nominal

Isolation I/O to logic: photocoupler isolation

Wiring Terminal block (M3.0)

Ω

On to Off: 10ms maximum

8 points/2 COM (non-polarity) - 1790D-T8BV8BX

8 points non-isolated, sourcing - 1790D-T8BV8BX

24V dc nominal

28.8V dc maximum

On to Off: 1.0ms maximum

4.0A maximum per common

8 points/2 COM - 1790D-T8BV8BX

Voltage range - 10-28.8V dc
Power dissipation - 3.22W @ 28.8V dc

Isolation voltage: 1250V ac rms
DeviceNet to logic: non-isolated
DeviceNet power: non-isolated

- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors

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DC Output Expansion Block Specifications

1790-TOV16X and -TOB16X

Outputs per expansion block 16 points non-isolated, sinking:

On-state voltage 10V dc minimum

On-state voltage drop 0.5V dc maximum

On-state current 1mA minimum per channel

Off-state voltage 28.8V dc maximum

Off-state leakage 0.5mA maximum

Output signal delay Off to On: 0.5ms maximum

Indicators 16 green status

Output current rating Maximum 0.5A per output

Common type 8 points/2COM for 1790D-TOV16X

General Specifications

Field Power Supply voltage - 24V dc nominal

Isolation I/O to logic: photocoupler isolation

Wiring Terminal block (M3.0)

1790D-T0V16X
16 points non-isolated, sourcing:
1790D-T0B16X

24V dc nominal

28.8V dc maximum

On to Off: 1.0ms maximum

4.0A maximum per common

8 points/8COM for 1790D-T0B16X

Voltage range - 10-28.8V dc
Power dissipation - 2.76W @ 28.8V dc

Isolation voltage: 1250V ac rms

- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors

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AC/DC Relay Output Expansion Block Specifications

1790-TOW8X

Relay type Form A, normally open

Output voltage range (load dependent) 5-28V dc @ 2.0A resistive

Minimum load 100µA, 100mV dc per point

Maximum on-state voltage drop 0.5V @ 2.0A, resistive load, 24V dc

Initial Contact Resistance 30m

Expected contact life 300K cycles resistive

Maximum off-state leakage 1.5mA maximum

Output delay time 10ms maximum on to off

Indicators 8 green status

Common type 1 point/1COM

General Specifications

Field Power Supply voltage - 24V dc nominal

Isolation I/O to logic: photocoupler isolation

Wiring Terminal block (M3.0)

Single pole, single throw

48V dc @ 0.8A resistive
125V ac @ 2.0A resistive
250V ac @ 2.0A resistive

Ω

100K cycles inductive

10ms maximum off to on

Voltage range - 19.2-28.8V dc
Power dissipation - 2.3W @ 28.8V dc

Isolation voltage: 1250V ac rms

- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors

19

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AC Input Expansion Block Specifications

1790-T8AOX

Inputs per expansion block 8 points non-isolated

On-state voltage range 79V ac minimum

Input impedance 18K

On-state current 9mA maximum @132V ac

Off-state voltage 45V ac maximum

Input signal delay 10ms off to on

Indicators 8 green input status

Common type 8 points/8COM

General Specifications

External AC power supply Supply voltage - 110V rms, 60Hz

Isolation I/O to logic: photocoupler isolation

Wiring Terminal block (M3.0)

110V ac nominal
132V ac maximum

Ω

30ms maximum on to off

Voltage range - 85-132Vrms, 47-63Hz
Power dissipation - 3W @ 132Vac

Isolation voltage: 1250V ac rms/V ac
Field power: non-isolation

- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors

Publication 1790-IN005B-EN-P - April 2003

110V AC Output Expansion Block Specifications

1790-T0A8X

Outputs per expansion block 8 points non-isolated

Load voltage range 15-132Vrms

Maximum load current 0.5Arms

Minimum load current 10mArms

Max off-state leakage current 1.0mArms @ 100Vrms 60Hz

Max on-state voltage drop 1.3Vrms @ max load

Maximum operate time 1mS

Maximum release 1/2 cycle + 1mS

Insulation resistance Minimum 1,000M

Dielectric strength 2500 Vrms 1 minute (for input-output)

Input signal delay 10ms off to on

Indicators 8 green input status

Common type 8 points/8COM

General Specifications

External AC power supply Supply voltage - 110V rms, 60Hz

Isolation I/O to logic: photocoupler isolation

Wiring Terminal block (M3.0)

30ms maximum on to off

Voltage range - 15-132Vrms, 60Hz
Power dissipation - 5.2W @ rated current

Isolation voltage: 1250V ac rms/V ac
Field power: non-isolation

- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors

Ω (for input-output)

21

IMPORTANT

Input and output wiring must be in accordance
with Class 1, Division 2 wiring methods and in

accordance with the authority having jurisdiction.

Publication 1790-IN005B-EN-P - April 2003

22

The following information applies
when operating this equipment in
hazardous locations:

Products marked “CL I, DIV 2, GP A, B, C, D” are
suitable for use in Class I Division 2 Groups A,
B, C, D, Hazardous Locations and nonhazardous
locations only. Each product is supplied with
markings on the rating nameplate indicating the
hazardous location temperature code. When
combining products within a system, the most
adverse temperature code (lowest “T” number)
may be used to help determine the overall
temperature code of the system. Combinations
of equipment in your system are subject to
investigation by the local Authority Having
Jurisdiction at the time of installation.

EXPLOSION HAZARD

• Do not disconnect

WARNING

!

equipment unless
power has been
removed or the area
is known to be
nonhazardous.

• Do not disconnect

connections to this
equipment unless
power has been
removed or the area
is known to be
nonhazardous.
Secure any external
connections that
mate to this
equipment by using
screws, sliding
latches, threaded
connectors, or other
means provided
with this product.

• Substitution of

components may
impair suitability for
Class I, Division 2.

• If this product

contains batteries,
they must only be
changed in an area
known to be
nonhazardous.

Informations sur l’utilisation de cet
équipement en environnements
dangereux :

Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne
conviennent qu’à une utilisation en environnements
de Classe I Division 2 Groupes A, B, C, D dangereux
et non dangereux. Chaque produit est livré avec des
marquages sur sa plaque d’identification qui
indiquent le code de température pour les
environnements dangereux. Lorsque plusieurs
produits sont combinés dans un système, le code de
température le plus défavorable (code de
température le plus faible) peut être utilisé pour
déterminer le code de température global du
système. Les combinaisons d’équipements dans le
système sont sujettes à inspection par les autorités
locales qualifiées au moment de l’installation.

RISQUE D’EXPLOSION

• Couper le courant ou

AVERTISSEMENT

!

s’assurer que
l’environnement est
classé non dangereux
avant de débrancher
l'équipement.

• Couper le courant ou

s'assurer que
l’environnement est
classé non dangereux
avant de débrancher
les connecteurs. Fixer
tous les connecteurs
externes reliés à cet
équipement à l'aide
de vis, loquets
coulissants,
connecteurs filetés ou
autres moyens fournis
avec ce produit.

• La substitution de

composants peut
rendre cet

équipement inadapté
à une utilisation en

environnement de
Classe I, Division 2.

• S’assurer que

l’environnement est
classé non dangereux
avant de changer les
piles.

Publication 1790-IN005B-EN-P - April 2003

23

This product has been tested at an Open Device Vendors
Association, Inc. (ODVA) authorized independent test
laboratory and found to comply with ODVA Conformance
Test. Please contact the ODVA website (http://www.odva.org)
for listing of products tested by ODVA independent test labs
for further details.

CompactBlock LDX and RSNetWorx are trademarks of Rockwell Automation.

Publication 1790-IN005B-EN-P - April 2003

Publication 1790-IN005B-EN-P - April 2003 PN 957782-57

Supersedes Publication 1790-IN005A-EN -P - April 2001 © 2003 Rockwell Automation. Printed in USA