1756-L8XTSP

Technical specifications

Manufacturer

Allen-Bradley

Manufacturer part no.

1756-L8XTSP

Type

Safety partner module

Application

PLC controller

Used with

ControlLogix 1756 chassis

Safety memory

Configured to match primary controller

Energy storage module

Embedded in controller, non-removable

Number of power cycles

80,000

Current draw @ 1.2V DC

5.0 mA

Current draw @ 5.1V DC

1.20 A

Power dissipation

6.2 W

Thermal dissipation

21.2 BTU/hr

Weight, approx

0.394 kg (.868 lb)

Slot width

1

Module location

Chassis slot immediately to the right of the primary controller

Chassis

1756-A7XT, 1756-A10XT, Series C 1756-A7ZXT, 1756-A10ZXT

Temperature code

T4

Enclosure type rating

None (open-style)

Temperature, operating (SIL 2/PLd)

-25 °C ≤ Ta ≤ +70 °C (-13°F ≤ Ta ≤ +158 °F)

Temperature, nonoperating

-40…+85 °C (-40…+185 °F)

Relative humidity

5…95% noncondensing

Conformal coated

Yes

Vibration

IEC 60068-2-6 (Test Fc, Operating)

Shock, operating

IEC 60068-2-27 (Test Ea, Unpackaged Shock)

Emissions

IEC 61000-6-4

ESD immunity

IEC 61000-4-2

Radiated RF immunity

IEC 61000-4-3

EFT/B Immunity

IEC 61000-4-4

Surge Transient Immunity

IEC 61000-4-5

Conducted RF Immunity

IEC 61000-4-6

Technical documents (1)

• Rockwell Automation technical data 1756-TD001

Key features

• Fits the slot immediately right of the primary controller
• Safety memory configured to match primary controller
• Embedded, non-removable energy storage module
• Conformal coated, temperature code T4
• Rated for 80,000 power cycles

About the Allen-Bradley 1756-L8XTSP

The Allen-Bradley 1756-L8XTSP is the GuardLogix 5580 XT Partner, according to Rockwell Automation. Rockwell lists it as one slot wide, with an approximate weight of 0.394 kg and power dissipation of 6.2 W. Rockwell gives the operating temperature as -25 °C to +70 °C (SIL 2/PLd), with temperature code T4 and a conformal coating. Rockwell names the 1756-L8SPXT as a Direct Replacement.

What is the 1756-L8XTSP used for?

It works as the partner module to a primary controller and is fitted in the chassis slot immediately to the right of it. Its safety memory is configured to match the primary controller. Rockwell lists the chassis 1756-A7XT, 1756-A10XT, Series C 1756-A7ZXT and 1756-A10ZXT for this module.

Lifecycle and successor

Phased out.

OEM successor: 1756-L8SPXT

Before you order

What to photograph or confirm so the right unit is quoted.

Check the catalog number 1756-L8XTSP, the series letter and the firmware revision on the module label. Send us a photo of the label if you want us to confirm the details.