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Siemens S7-1200 SM1231 Analog AI 4xTC x 16 bits
SKU: 6ES7231-5QD32-0XB0
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Short Description
Pricing available on request
Description:
This module supports 4 analog inputs for thermocouples, offering high-resolution 16-bit measurement.
It’s ideal for industrial applications requiring wide-range temperature sensing—such as kilns, furnaces, or process control environments.
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Specifications:
Electrical Characteristics:
Supply Voltage: 24 V DC.
Backplane Bus Current: 80 mA (typical).
Power Loss: 1.5 W.
Input Protection: ±35 V destruction limit.
Analog Inputs:
Channels: 4 thermocouple inputs.
Supported TC Types:
J, K, T, E, R, S, N, C.
TXK/XK(L) (GOST standard).
Voltage Range: ±80 mV.
Input Resistance: ≥1 MΩ.
Resolution: 15-bit + sign.
Measurement Principle: Integrating.
Temperature Units: Selectable (°C or °F).
Smoothing: Parameterizable.
Accuracy & Diagnostics:
Basic Error (25 °C): ±0.1%.
Extended Error (up to 55 °C): ±0.2%.
Repeat Accuracy: ±0.5%.
Interference Suppression:
85 dB at 50/60/400 Hz.
120 dB common-mode rejection.
Diagnostics:
Wire break detection.
Supply voltage monitoring.
Diagnostic alarms.
LEDs for input status and maintenance.
Mechanical & Environmental:
Dimensions (W x H x D): 45 x 100 x 75 mm.
Mounting: DIN rail.
Protection Rating: IP20.
Operating Temp: –20 to +60 °C.
Storage Temp: –40 to +70 °C.
Humidity: Up to 95% (non-condensing).
Weight: ~180 g.
Compliance & Approvals:
CE, UL, CSA, FM, RCM, KC.
Marine: DNV, LRS, RMRS, RINA, PRS.
ATEX, IECEx.
Environmental Product Declaration (EPD).
Global Warming Potential: 43.1 kg CO₂ eq.