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Siemens S7-1200 Signal boards - analog AI 1 x 12 bits ±10 V DC, ±5 V DC, ±2.5 V DC or 0–20 mA
SKU: 6ES7231-4HA30-0XB0
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Short Description
Pricing available on request
Description:
This board adds 1 analog input channel, configurable for either voltage (±10 V, ±5 V, ±2.5 V) or current (0–20 mA).
It’s ideal for compact control systems needing precise analog signal acquisition—such as HVAC sensors, elevator feedback loops, or crane load monitoring.
Buy currently uses Select Automation shop pricing and checkout.
Specifications:
Electrical Characteristics:
Supply Voltage: 24 V DC.
Backplane Bus Current: 55 mA.
Power Loss: 0.4 W.
Destruction Limits:
Voltage: ±35 V.
Current: 40 mA.
Analog Input:
Channels: 1.
Input Types:
Voltage: ±10 V, ±5 V, ±2.5 V.
Current: 0–20 mA.
Input Resistance:
Voltage: ≥9 MΩ.
Current: ≥250 Ω.
Resolution: 11-bit + sign.
Measurement Principle: Integrating.
Cycle Time: 156.25 µs (400 Hz suppression).
Smoothing: Parameterizable (None, Low, Medium, High).
Accuracy:
±0.3% @ 25 °C.
±0.6% up to 55 °C.
Mechanical & Environmental:
Dimensions (W x H x D): 38 × 62 × 21 mm.
Mounting: Direct CPU attachment.
Protection Rating: IP20.
Operating Temp: –20 to +60 °C.
Storage Temp: –40 to +70 °C.
Humidity: Up to 95% (non-condensing).
Weight: ~35 g.
Compliance & Approvals:
CE, UL, CSA, FM, RCM, KC.
Marine: DNV, BV, RMRS, CCS, ABS, RINA.
Hazardous Location: ATEX, IECEx.
Diagnostic LEDs for input status and maintenance.