Siemens PLC module 6ES7231-0HF22-0XA0 EM231 analog module from Germany
Genuine Siemens 6ES7231-0HF22-0XA0（Made in Germany），part of SIMATIC S7-200 series, EM231 8-channel analog input module（8AI），exclusively for S7-22X CPUs. High-precision data acquisition for voltage (0–10V/0–5V/±2.5V/±5V) and current (0–20mA, Ch6–7 only) signals.
- 8 differential analog input channels
- Resolution: Voltage 12-bit+sign；Current 11-bit
- Conversion time: ~250µs per channel
- Input ranges:
- Voltage: 0–10V, 0–5V, ±2.5V, ±5V (10MΩ impedance)
- Current: 0–20mA (Ch6/7 only, 250Ω impedance)
- Isolation: 1500V RMS (channel-to-backplane)
- Power: +5V DC (20mA, backplane)；+24V DC (60mA, external)
- Dimensions: 71.2×80×62mm；Weight ≈183g
- IP20 protection；Working temp 0°C~+55°C
- Germany original, factory sealed, 12-month official warranty, CE/RoHS certified