2x14 4x13bit SIMATIC S7-1200 PLC 6ES7234-4HE32-0XB0

SIMATIC S7-1200 PLC 6ES7234-4HE32-0XB0

I. Product Description:

The SIMATIC 6ES7234-4HE32-0XB0 is an analog input/output expansion module for the SIMATIC SIMATIC S7-1200 series; its full model number is SM 1234, AI 4x13 bit / AQ 2x14 bit. It integrates 4 analog input and 2 analog output channels onto a single module, providing flexible expansion of the S7-1200 PLC’s analog processing capabilities.

This module is one of the few in the S7-1200 series to integrate both AI and AO channels, making it suitable for small- and medium-sized equipment that requires simultaneous acquisition of analog sensor signals and output of analog control signals.

II. Product Specifications:

SIMATIC 6ES7234-4HE32-0XB0｜SIMATIC S7-1200 SM 1234 Analog I/O Module

Input Signal Ranges: ±2.5 V, ±5 V, ±10 V, 0–20 mA, 4–20 mA;
Output Signal Ranges: ±10 V, 0–20 mA, 4–20 mA;
Input Resolution: 14 bit for voltage signals, 13 bit for current signals;
Output Resolution: 14 bit;
Input Type: Differential analog inputs;
Input Resistance for Voltage Signals: ≥9 MΩ;
Input Resistance for Current Signals: Approximately 250 Ω;
Output Load for Voltage Signals: ≥1 kΩ;
Output Load for Current Signals: ≤500 Ω;
Input Conversion Time: Approximately 625 μs per channel;
Output Settling Time: Approximately 300 μs;
Rated Supply Voltage: 24 V DC;
Typical Current Consumption: Approximately 60 mA;
Backplane Bus Current Consumption: Approximately 80 mA at 5 V DC;
Typical Power Loss: Approximately 2 W;
Electrical Isolation: Field signals electrically isolated from the backplane bus;
Wire-Break Detection: Supported for applicable 4–20 mA input configurations;
Overrange / Underrange Detection: Supported;
Analog Value Processing: Configurable signal ranges, filtering, and diagnostic functions;
Engineering Software: STEP 7 / TIA Portal;
Configuration: Parameterizable through the TIA Portal engineering environment;
System Compatibility: SIMATIC S7-1200 automation systems;
Mounting: Direct mounting to the right side of a compatible S7-1200 CPU or signal module;
Required Front Connector: Yes;
Protection Rating: IP20;
Operating Temperature: -20 to 60 °C;
Operating Temperature for Vertical Installation: -20 to 50 °C;
Storage / Transport Temperature: -40 to 70 °C;
Maximum Relative Humidity: 95% at 25 °C, non-condensing;
Dimensions (W × H × D): Approximately 45 × 100 × 75 mm;
Net Weight: Approximately 179 g;
Typical Applications: Analog sensor signal acquisition, pressure measurement, flow measurement, level monitoring, process control, valve control, actuator control, PID applications, machine automation, and industrial automation systems based on the SIMATIC S7-1200 platform

III. Technical Parameters:

SIMATIC S7-1200, analog I/O SM 1234, 4 AI/2 AO, +/-10 V, 14-bit resolution or 0 (4)-20mA, 13-bit resolution

IV. Industries Served:

The S7-1200 SIMATIC 6ES7234-4HE32-0XB0 (SM 1234) is designed for applications and fields that are highly consistent with the S7-1200 platform itself, primarily covering small- and medium-sized automation projects that require simultaneous acquisition of analog signals and output of control commands 

It is widely used in various production line controls, parameter adjustments for machining equipment, and chemical reaction process controls.

It can be used in smart buildings, energy management systems, and applications requiring precise temperature and humidity control, such as constant temperature and humidity systems.

In industries such as food and beverage, water treatment, and packaging machinery, it provides flexible analog signal processing solutions for equipment.

V. Why choose us?

We source directly from China’s Tier 1 channels, eliminating all middleman markups. This means you get competitive prices close to factory cost, and we pass those savings on to you as profit or budget flexibility for your projects. 

Don’t let stockouts slow down your project schedule. For popular models like the S7-1500 and G120, which are frequently purchased, we always maintain high levels of in-stock inventory. The moment you place your order, the goods are already ready in our warehouse. Within 1–3 business days, you’ll receive the tracking number for your international express shipment. Whether your factory is in the Middle East, Southeast Asia, or across Europe and the Americas, our global logistics network helps you reclaim valuable time.

We don’t just sell products—we provide the technical support that keeps your equipment running smoothly. Whether you’re facing challenges with product selection, encountering commissioning errors, or dealing with unexpected failures, our technical team is always on standby to ensure your production line issues receive a professional response—not just a voicemail.

VI. FAQ:

1,How to buy the product?

Contact our sales professionals online. A variety of contact options are available: 

WhatsAPP: +8619731602085

WeChat: Susan20241118

E-mail: contact@szlyzn.com

Or click on the Contact Us page, enter your name, email, phone number and specific request, submit it to our customer service and we will contact you within 24 hours. 

2,Are the products all genuine? Is the quality guaranteed?

Our products are 100% guaranteed quality, 100% guaranteed authentic, regular channel, you can buy with confidence. Each product can be checked for authenticity, all from major genuine brands, if you have any questions, please feel free to contact our after-sales service. 

3. What should I do if I can't find what I want?

You can do an exact/fuzzy search based on the product model or brand. If you still can't find it, you can feedback the model number or brand of the desired product to our sales staff. 

4. How is the product delivered? Is it safe?

Various delivery methods and regular delivery channels, we will make different packages for different products and strictly guarantee the safety of the products.

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