Programmable Logic Controller PLC Featuring Pluggable KS4438 Terminal Blocks for Simplified Maintenance and 8 Channel Output

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Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd.

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I. Core Basic Information

Brand / Model: Beckhoff KL4438
Product Category: K-bus terminal block, 8-channel single-ended analog output module
Signal Type: ±10 V voltage signal (industrial standard bipolar voltage)
Power Supply: K-bus power supply + external 24 V power contacts
Mounting: 35 mm DIN rail (EN 60715), 12 mm width
Product Status: In production, regularly supplied
Pluggable Version: KS4438 (pluggable terminal blocks for easy maintenance) Beckhoff

II. Key Technical Parameters

Parameter	Value
Number of Output Channels	8 channels (Single-ended) Beckhoff
Signal Range	-10 V ～ +10 V Beckhoff
Resolution	12 bit Beckhoff
Output Accuracy	< ±0.2% FS (Full Scale)
Conversion Time	Approx. 8 ms / channel
Output Load	> 5 kΩ (Short Circuit Protection)
Electrical Isolation	K-bus / Signal Side: 500 V DC
K-bus Current Consumption	Typical 20 mA (5 V)
External Power Consumption	Typical 20 mA (24 V)
Process Mapping	Output: 8 * 16 bits data (optional 8 * 8 bits control / status)
Weight	Approx. 75 g
Dimensions	12 mm * 100 mm * 68 mm
Operating Temperature	0 ～ +55°C; Storage: -25 ～ +85°C
Relative Humidity	95%, non-condensing

III. Functions and Features

Single-ended common ground output: 8 outputs share a common 0 V reference ground, simplifying Beckhoff wiring.
Plug and Play: No address or configuration settings required, power-on and it's operational.
Status Indication: Independent RUN LED for each channel, clearly displaying the output status (Beckhoff).
Short-circuit protection: Built-in short-circuit protection at the output prevents damage to the module due to load failure.
High-density design: 8 channels, only 12 mm wide, suitable for dense installation in control cabinets.
Application scenarios: Used for controlling inverters, servo drives, proportional valves, recorders, and other equipment requiring ±10 V control signals.

Product Tags:

PLC with pluggable terminal blocks

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