BECKHOFF KS3448 Bus Terminal

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Manufacturer: BECKHOFF
Product No.: KS3448
Country of origin:Germany
Product Type: Bus Terminals
Payment: T/T, Western Union
Weight: 55g
Dimensions: 12 mm x 100 mm x 68 mm
Shipping port: Xiamen
Warranty: 12 months

Description

Processing analog input signals in compact industrial control setups requires reliable, high-density I/O interfaces. The BECKHOFF KS3448 analog input terminal processes up to eight signals in the 0 to 20 mA range with 12-bit resolution. Designed with single-ended technology, this module features a highly compact design form and pluggable wiring levels, easing installation and maintenance in dense control cabinets. It operates directly via the K-bus backplane connection, transmitting digitized process signals to the higher-level automation controller without requiring manual address or hardware configuration.

Features

Provides 8 single-ended analog inputs optimized for 0 to 20 mA current loops.
Features pluggable wiring levels (KSxxxx series) allowing rapid module exchange without disturbing existing field wiring.
Features a compact housing design with high packing density for maximum space utilization in control cabinets.
Delivers 12-bit conversion resolution with a fast conversion time of approximately 4 ms.
Equipped with 500 V electrical isolation between the K-bus and the process signal voltage.
No address or software configuration parameters needed for standard integration.

Applications

Industrial process control monitoring analog current loops.
Factory automation environments using K-bus controller architectures.
Machine manufacturing requiring high-density analog sensor interfaces.
Water treatment, environmental monitoring, and building automation installations.

Technical Specifications

Manufacturer	BECKHOFF
Part Number	KS3448
Module Type	Analog Input Bus Terminal
Number of Inputs	8
Signal Current	0...20 mA
Input Technology	Single-ended
Internal Resistance	< 85 Ohm
Resolution	12 bit
Conversion Time	~ 4 ms
Measuring Error	< +/-0.3 % (relative to full scale value)
Surge Voltage Resistance	30 V DC
Electrical Isolation	500 V (K-bus / signal voltage)
Power Supply	Via K-bus
Current Consumption K-bus	typ. 105 mA
Process Image Bit Width	Input: 8 x 16-bit data (8 x 8-bit control/status optional)
Operating Temperature	-25 to +60 degC
Storage Temperature	-40 to +85 degC
Relative Humidity	95 %, non-condensing
Vibration/Shock Resistance	Conforms to EN 60068-2-6 / EN 60068-2-27
EMC Immunity/Emission	Conforms to EN 61000-6-2 / EN 61000-6-4
Protection Rating	IP20
Housing Material	Polycarbonate
Installation	35 mm DIN rail (EN 60715) with locking mechanism
Wiring Type	Spring actuation by screwdriver (pluggable connection level)
Connection Cross-Section	Solid/Stranded: 0.08...1.5 mm² (AWG 28...16), Flexible: 0.14...1.5 mm² (AWG 26...16)
Stripping Length	9...10 mm
Dimensions (W x H x D)	12 mm x 100 mm x 68 mm
Weight	0.055 kg

Installation Guidelines

Always isolate all power supplies to the K-bus station and field devices before installing or removing the terminal.
Mount the terminal securely onto a standard 35 mm DIN rail conforming to EN 60715. Ensure the locking mechanism engages completely.
Maintain clear ventilation space around the terminal stack to prevent localized heat buildup, ensuring operation remains within -25 to +60 degC.
To insert field wires, actuate the spring-clamp using a standard terminal screwdriver. Strip wire insulation to a length of 9 to 10 mm.
Maintain proper system grounding and shield terminations to protect sensitive analog inputs from electromagnetic interference.

Compliance and Certifications

CE
UL
ATEX: II 3 G Ex nA IIC T4 Gc
DNVGL

Key Features:

#Bus Terminals #KS Series

What is the primary function of the Beckhoff KS3448?

The Beckhoff KS3448 is an 8-channel analog input bus terminal designed to process 0 to 20 mA current signals using single-ended technology with 12-bit resolution.

What is the main advantage of the KS series compared to the standard KL series?

The KS series (such as the KS3448) features a pluggable wiring design level, which allows the terminal housing to be removed and replaced without disconnecting the pre-wired terminal blocks.

Does the KS3448 require external power supply configuration?

No, the KS3448 is powered directly via the K-bus backplane and does not require manual address or hardware configuration.

What are the environmental operating limits for this module?

The KS3448 operates in temperatures ranging from -25 to +60 degC and with non-condensing relative humidity up to 95%.

Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin

BECKHOFF KS3448 Bus Terminal