1. Main Specifications| Product Type | S7-1200 Simulation Module | | Product Model | 6ES7234-4HE32-0XB0 | | power supply voltage | Rated value (DC) 24 V | | Product Dimensions | 45 MM × 100 MM × 75 MM | | Input current | Current consumption, typical value 60 mA
Incoming backplane bus DC 5 V, typical value 80 mA | | Weight | 220 g |
2. Key Selling PointsAnalog Input/Output Hybrid Module for S7-1200 Series: Model SM 1234 AI4/AO2, designed for the SIMATIC S7-1200 PLC system, provides 4 analog inputs + 2 analog outputs, ideal for process automation applications requiring closed-loop
control. 4-Channel Analog Inputs: Supports voltage (±10 V) and current (0/4–20 mA) input signals,
compatible with sensors for pressure, temperature, flow, and other
process variables—enabling high-precision data acquisition. 2-Channel Analog Outputs: Provides voltage (±10 V) and current (0/4–20 mA) output signals
to drive control valves, frequency inverters, or actuators for
accurate process regulation. High Resolution & Accuracy: Features 13-bit + sign A/D and D/A conversion (effective
resolution up to ~16 bits), ensuring precise and stable signal
measurement and output. Individually Configurable Channels: Each input and output channel can be independently configured for
signal type and range, offering maximum flexibility for diverse
field devices. Advanced Diagnostics: Supports channel-level diagnostics for wire break, over-range,
and short-circuit detection, with fault alarms via CPU or TIA
Portal—improving system availability and maintenance speed. Galvanic Isolation: Analog channels are electrically isolated from the backplane bus,
reducing noise interference and enhancing system reliability in
electrically noisy environments.
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