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Siemens 6ES7234-4HE32-0XB0 SIMATIC S7-1200 Analog I/O SM 1234
The Siemens 6ES7234-4HE32-0XB0 is a SIMATIC S7-1200 SM 1234 analog input/output module combining 4 analog input channels and 2 analog output channels in one compact module. It supports ±10 V, ±5 V, ±2.5 V, 0–20 mA, and 4–20 mA input signals, while its outputs support −10 V to +10 V, 0–20 mA, and 4–20 mA signals with up to 14-bit voltage resolution and 13-bit current resolution. Its combined input and output capability makes it suitable for applications requiring both analog measurement and analog control within a single S7-1200 expansion module.
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Categories: PLC I/O Modules
Description
The Siemens SIMATIC S7-1200 SM 1234, AI 4×13 bit/AQ 2×14 bit combines 4 differential analog inputs with 2 analog outputs in a single compact module. The analog inputs support voltage ranges of ±10 V, ±5 V, and ±2.5 V, together with current ranges of 0–20 mA and 4–20 mA. The module provides 13-bit input resolution including sign, while the analog outputs provide 14-bit voltage resolution and 13-bit current resolution. This combination allows the module to acquire signals from sensors and transmitters while simultaneously generating analog control signals for connected actuators. It is well suited to applications where both analog monitoring and control functions are required in one S7-1200 expansion module.
The analog outputs support −10 V to +10 V, 0–20 mA, and 4–20 mA signals, while the inputs provide high input impedance for voltage signals and defined resistance for current signals. Siemens specifies ≥9 MΩ input resistance for voltage inputs and 280 Ω for current inputs, with output load capabilities of 1 kΩ minimum for voltage and 600 Ω maximum for current. The module supports shielded cables up to 100 m, configurable signal processing, and diagnostic functions including supply-voltage monitoring and wire-break detection. Its combined I/O configuration makes it suitable for process instrumentation, machine automation, feedback monitoring, valve control, drive applications, and closed-loop analog control systems.
QTech Safety is a leading supplier of Siemens 6ES7234-4HE32-0XB0 SIMATIC S7-1200 Analog I/O SM 1234 in Ireland, offering competitive prices and fast worldwide shipping across United Kingdom (UK), Germany, France, Italy, Spain, United States USA, Canada, Mexico, and Western Australia (Perth). Buy Siemens PLC I/O Modules from one of Ireland’s most trusted industrial safety equipment suppliers.
Features of Siemens 6ES7234-4HE32-0XB0 SIMATIC S7-1200 Analog I/O SM 1234
- SIMATIC S7-1200 SM 1234 analog input/output module.
- Combines 4 analog inputs and 2 analog outputs.
- Provides differential analog input channels.
- Supports ±10 V, ±5 V, and ±2.5 V voltage inputs.
- Supports 0–20 mA and 4–20 mA current inputs.
- Supports −10 V to +10 V voltage output.
- Supports 0–20 mA and 4–20 mA current output.
- Provides 13-bit input resolution.
- Provides 14-bit voltage output resolution.
- Provides 13-bit current output resolution.
- Input voltage impedance is ≥9 MΩ.
- Input current impedance is 280 Ω.
- Voltage output load impedance is ≥1 kΩ.
- Current output load impedance is ≤600 Ω.
- Supports shielded twisted-pair cables up to 100 m.
- Provides diagnostic functions and diagnostic alarms.
- Includes supply-voltage monitoring.
- Supports wire-break detection.
Technical Specifications of Siemens 6ES7234-4HE32-0XB0
- Product Type: SM 1234, AI 4×13 bit / AQ 2×14 bit
- Product Family: SM 1234 analog input/output modules
- Article Number: 6ES7234-4HE32-0XB0
- Number of Analog Inputs: 4
- Number of Analog Outputs: 2
- Input Type: Differential voltage or current
- Output Type: Voltage or current
- Input Voltage Ranges: ±10 V, ±5 V, ±2.5 V
- Input Current Ranges: 0–20 mA, 4–20 mA
- Output Voltage Range: −10 V to +10 V
- Output Current Ranges: 0–20 mA, 4–20 mA
- Analog Input Resolution: 13 bit
- Analog Output Voltage Resolution: 14 bit
- Analog Output Current Resolution: 13 bit
- Permissible Input Voltage, Destruction Limit: 35 V
- Permissible Input Current, Destruction Limit: 40 mA
- Input Resistance, Voltage: ≥9 MΩ
- Input Resistance, Current: 280 Ω
- Voltage Output Load Impedance: ≥1,000 Ω
- Current Output Load Impedance: ≤600 Ω
- Maximum Input Cycle Time: 625 µs, all channels
- Maximum Shielded Cable Length: 100 m
- Cable Type: Shielded twisted pair
- Rated Supply Voltage: 24 V DC
- Typical Current Consumption: 60 mA
- Typical Current from 5 V Backplane Bus: 80 mA
- Typical Power Loss: 2 W
- Measurement Principle: Integrating
- Measured-Value Smoothing: Parameterizable
- Diagnostics: Yes
- Diagnostic Alarm: Yes
- Supply-Voltage Monitoring: Yes
- Wire-Break Detection: Yes
- Required Front Connector: Yes
- Degree of Protection: IP20
- Operating Temperature, Horizontal Installation: −20°C to 60°C
- Operating Temperature, Vertical Installation: −20°C to 50°C
- Storage/Transport Temperature: −40°C to 70°C
- Relative Humidity: Up to 95% at 25°C, non-condensing
- Dimensions (W × H × D): 45 × 100 × 75 mm
- Weight: Approx. 190 g
Applications
The Siemens 6ES7234-4HE32-0XB0 SIMATIC S7-1200 Analog I/O SM 1234 is commonly used in:
- Process monitoring and control
- Analog sensor signal acquisition
- 0–20 mA and 4–20 mA instrumentation
- ±10 V process and machine signals
- Valve and actuator control
- Drive speed and setpoint control
- Machine automation
- Combined analog input and output applications in SIMATIC S7-1200 systems
Why Choose QTech Safety?
At QTech Safety, we’re more than just a safety supplier we’re your trusted partner in workplace protection and compliance.
Here’s why companies across UK and Ireland (EU) choose us for safety products and training:
- Comprehensive Range of Safety Equipment:
From gas detection and PPE to industrial safety tools, we offer one of the widest selections of trusted brands all at competitive Irish market prices. - Test & Measurement Instruments You Can Trust:
We supply a wide range of test and measurement instruments from the most leading and trusted brands, including industrial sensors, multimeters, oscilloscopes, accelerometers, proximity sensors, and other advanced measurement tools to support accurate diagnostics, condition monitoring, calibration, and maintenance applications. - Expert Health & Safety Training:
We provide professional health and safety training programmes designed to help your workforce stay compliant and confident on the job. - Fast, Reliable Delivery Worldwide:
Whether you’re in Texas United States or Perth Western Australia, our fast delivery service ensures you get your safety equipment quickly and efficiently. - Trusted by European Businesses:
We’re proud to support industries across Europe (UK) with certified safety solutions, expert advice, and responsive customer service.
We Ship Worldwide
At QTech Safety, we supply industrial sensors and instrumentation across Ireland, offering fast and reliable worldwide delivery. Through strong global logistics partnerships, we ensure efficient shipping and professional support for customers in Europe, North America, and Australia.
🡆 Europe (United Kingdom, Ireland, Germany, France, Italy, Spain, and the rest of European Union)
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