Product image is representative; revision or series may vary.
Contact us to request a specific version.

6ES7531-7KF00-0AB0 Siemens

Name: 6ES7531-7KF00-0AB0 Siemens
Brand: Siemens
SKU: 6ES7531-7KF00-0AB0
Price: 599.97 USD
Availability: InStock

$599.97 - $1,025.67

$599.97

$599.97 - $1,025.67

$599.97

Ships today if ordered by 1 PM CST

Overnight shipping available

Qty Available: (3) ✓ Verified Stock every 24hrs

Questions? (833) 800-7748

All products listed are sold by PLC Department, an independent supplier — not an authorized Siemens distributor. Covered by our 1-year warranty. By purchasing you acknowledge our full disclaimer. Read & agree ↓

Ships from Texas, USA

Same-day by 1 PM CST

Tested & inspected

Every unit, before it ships

1-year warranty

Backed direct by us

30-day returns

Hassle-free RMA

Stock verified / 24 hrs

Real-time availability

Photos on request

Your exact unit, ~5 min

Trusted By

Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The Siemens SIMATIC S7-1500 analog input module, AI 8xU/I/RTD/TC ST (part number 6ES7531-7KF00-0AB0), integrates into the SM 531 module family of S7-1500 PLC systems. It provides eight analog input channels capable of measuring voltage, current, RTD, resistance, and thermocouple signals with 16-bit resolution and up to 0.3 % accuracy. The module supports diagnostics and hardware interrupts, and is suitable for industrial measurement tasks such as temperature monitoring, multi-sensor acquisition, and signal consolidation in distributed control systems. 6ES7531-7KF00-0AB0 is intended for installation in standard industrial cabinets, offering in-run calibration and diagnostics function for maintenance visibility.

Best Suited For

Multi-channel analog measurement (voltage/current/RTD/TC)
Temperature monitoring via RTDs or thermocouples
Integration into S7-1500 rack-based control systems
Applications requiring I&M data and diagnostics

Channels

8

Resolution

16 bit

Accuracy

±0.3 %

Supply voltage

24 V (19.2-28.8 V); reverse-polarity protected

Power consumption

0.7 W (bus); power loss 2.7 W typical

Technical Specifications

I/O & Electrical

Input types

Voltage, current, resistance, RTD, thermocouple

Input resolution

16 bit (with overrange, including sign)

Accuracy (operational)

±0.3 % of input range

Input resistance (voltage ±80 mV)

10 MΩ

Input resistance (0-20 mA)

25 Ω + ≈42 Ω PTC protection

Communication & Power

Supply voltage

24 V DC (19.2-28.8 V), reverse-polarity protected

Current consumption

255 mA max at 19.2 V

Power consumption

0.7 W from backplane bus

Power loss (typical)

2.7 W

Physical & Environmental

Operating temperature

-25 °C to +60 °C (horizontal)

Mounting dimensions (W × H × D)

35 mm × 147 mm × 129 mm

Weight

≈310 g

Isolation tested

707 V DC (type test)

Certifications

CCCCEUKCAAMS 2750CQI-9

Includes CCC, EU Declaration of Conformity, UK Declaration of Conformity. Suitable for AMS 2750 and CQI-9 applications (Declaration of Conformity available).

1-Year Warranty

Every tested unit is backed by our free 1-year PLC Department warranty, direct from us.

Fast Shipping

Free ground shipping. Orders by 1 PM CST ship same-day, with overnight available.

USA Stock

Sourced and shipped from Texas, USA. Never anonymous overseas marketplace stock.

30-Day Returns

Hassle-free RMA. If the part is not right for your application, send it back within 30 days.

Reseller Options →

Resellers welcome. Reach out for volume pricing and we will get you set up.

Talk to a Real Person

Fast answers on stock, revisions, and shipping. (833) 800-7748 or live chat.

PLC Department customer reviews from maintenance and engineering teams

Trusted by 1000s of teams who keep plants running

From maintenance managers and controls engineers to Fortune 500 manufacturers, teams across America count on PLC Department. Years of customer care, every unit bench-tested before it ships, and real people on the phone when a line is down. Our job is simple: get you back up and running, fast.

Read customer reviews →

We're here to support your business
Call, email, or chat anytime

(833) 800-7748

Live chat support

contact@plcdepartment.com

Rockwell Automation documentation

Access official manuals, datasheets, and lifecycle information for this part directly from Rockwell Automation.

Visit RockwellAutomation.com →

Must Read: Disclaimer

PLC Department sells surplus and refurbished industrial automation products, including but not limited to programmable logic controllers (PLCs), which are sourced exclusively through independent third-party channels. PLC Department is not an authorized distributor, reseller, or representative of any manufacturer listed on this website, including Rockwell Automation or its Allen-Bradley brand. All product warranties, where offered, are provided solely by PLC Department and not by the original manufacturer.

Any reference to manufacturer names, logos, trademarks, or product identifiers is for identification and compatibility purposes only. All such trademarks and brand names are the property of their respective owners, and this website is not affiliated with, endorsed by, or approved by any manufacturer referenced herein.

The products offered for sale may be used or surplus and may contain older date codes, be of earlier series or versions, or differ in appearance or features compared to products available through factory-authorized distribution channels. The presence, version, or functionality of firmware, if any, on programmable devices such as Allen-Bradley PLCs is not guaranteed. PLC Department makes no representation or warranty regarding:

PLC Department does not obtain or supply firmware on behalf of customers. It is solely the customer's responsibility to ensure legal and compliant use of any firmware or software associated with products purchased through this site, including compliance with any applicable license agreements or manufacturer policies.

Products listed on this site may vary in country of origin, packaging, language, accessories, and included materials. Any quality control, testing, certification, or warranty previously associated with the manufacturer does not apply unless explicitly stated by PLC Department.

By purchasing through this website, you acknowledge and agree to these terms.