The 6ES7231-7PC22-0XA0 is a Siemens SIMATIC S7-200 EM 231 analog input module. It features 4 analog inputs (AI) designed for Pt100, Pt200, Pt500, Pt1000, NI100, NI120, NI1000, CU10, and resistance measurements  with a 15-bit + sign resolution. However, this product has been discontinued since October 1, 2024, and was deleted without replacement.

Analog Inputs (AI): 4 (Supports Pt100, Pt200, Pt500, Pt1000, NI100, NI120, NI1000, CU10, and resistance measurements)

Resolution: 15-bit + sign

Supply Voltage: 24V DC

Power Loss: 1.8W (typical)

Conversion Time: 810 ms (all channels), 1400 ms with Pt10000

Interference Suppression: 85 dB at 50/60/400 Hz

Net Weight: 0.177 kg

Dimensions: 71.2mm x 80mm x 62mm

Product Lifecycle: Discontinued since October 1, 2024

Compliance: RoHS-compliant since November 25, 2009