Parameters ▶️ General Product type: Analog input expansion module (TM3 series) Model: TM3AI2H (removable screw terminal version) Compatible controllers: Modicon M221, M241, M251, M262 Mounting: DIN rail (35 mm / TH35) Protection rating: IP20 Dimensions (approx): 23.6 mm (W) × 70 mm (D) × 90 mm (H) Weight: ~0.08–0.115 kg ▶️ Analog Inputs Number of channels: 2 Resolution: 16-bit (or 15-bit + sign) for high precision measurement Input signal types and ranges: Voltage: 0…10 Vdc and ±10 Vdc Current: 0…20 mA and 4…20 mA Input impedance: Voltage: ≥ 1 MΩ Current: ≤ 50 Ω Conversion time: ~1 ms + 1 ms per channel (plus controller cycle time) Accuracy & Performance: Repeat accuracy ~±0.5 %FS, absolute accuracy ~±0.1–1 %FS, low non-linearity (~0.01 %FS) Temperature drift ~±0.006 %FS/°C ▶️ Electrical / Supply Rated supply voltage: 24 V DC (via TM3 bus / external) Current consumption: ~25 mA @ 24 VDC external supply ~30–40 mA @ 5 VDC via TM3 bus (no load / full load) Isolation: Inputs isolated from internal logic and supply (typical industrial specs) Typical Applications Precision acquisition of analog signals (pressure, flow, temperature) in industrial control systems. Integration with PLCs requiring high-resolution measurement for closed-loop control. OEM and machine automation needing accurate analog feedback.