1756-L8SPXT

Technical specifications

Manufacturer

Allen-Bradley

Manufacturer part no.

1756-L8SPXT

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

• Occupies one slot right of the primary controller
• Safety memory configured to match primary controller
• Operating range -25 °C to +70 °C for SIL 2/PLd
• Conformal coated, open-style enclosure with no rating
• Embedded, non-removable energy storage module

About the Allen-Bradley 1756-L8SPXT

The Allen-Bradley 1756-L8SPXT is the GuardLogix 5580 XT Partner, and Rockwell Automation lists its lifecycle status as Active. According to Rockwell technical data 1756-TD001, it draws 1.20 A at 5.1V DC and 5.0 mA at 1.2V DC, dissipates 6.2 W (21.2 BTU/hr) and weighs approximately 0.394 kg. Rockwell rates it for 80,000 power cycles, with a T4 temperature code and an operating range of -25 °C to +70 °C for SIL 2/PLd. Rockwell lists the chassis as 1756-A7XT, 1756-A10XT, Series C 1756-A7ZXT and 1756-A10ZXT.

What is the 1756-L8SPXT used for?

Rockwell describes the 1756-L8SPXT as the GuardLogix 5580 XT Partner, which sits in the chassis slot immediately to the right of the primary controller. Its safety memory is configured to match the primary controller. It is conformal coated and has an open-style enclosure with no enclosure type rating.

Lifecycle and successor

Active.

Before you order

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

Check the catalog number 1756-L8SPXT, the series letter and the firmware revision on the label before ordering. Send us a photo of the label and we will help confirm the part.