Product Overview
7MH4900-2AA01 is a SIWAREX FTA weighing electronic module with legal-for-trade verification capability (EC conformity 3×6000d), designed for automatic/non-automatic weighing applications (rapid dosing, filling/bagging, loading). It integrates seamlessly into SIMATIC S7-300 and ET200M systems, offering high-precision weighing, fast processing, and compliance with global weighing standards.
Core Technical Specifications
| Parameter | Value |
|---|---|
| Order Number | 7MH4900-2AA01 |
| Product Name | SIWAREX FTA Weighing Electronic (verification-capable) |
| Compatibility | S7-300 (central rack), ET200M (distributed I/O) |
| Weighing Accuracy | EC conformity 3×6000d (legal-for-trade compliant) |
| Weighing Modes | Automatic (dosing/filling/bagging/loading) + Non-automatic |
| Input Channels | 7 analog inputs (load cell compatible) |
| Output Channels | 8 analog outputs |
| Refresh Rate | Internal: 400 Hz; External: 100 Hz |
| Power Supply | 24 V DC (18–30 V DC), via S7-300/ET200M backplane |
| Power Consumption | Typ. 3.5 W; Max. 4.5 W |
| Dimensions (W×H×D) | 125 × 80 × 130 mm (DIN rail mountable) |
| Weight | Approx. 0.5 kg |
| Ambient Temp | 0…+60°C (operation); -25…+70°C (storage) |
| Humidity | 5…95% RH (non-condensing) |
| Certifications | CE, EC (OIML R76/R51/R107), UL, cUL, IEC 61131-2 |
| Legal-For-Trade MMC | Optional: 7MH4900-2AY20 (for R76/R51/R107 compliance) |
| Predecessor | 7MH4553-1AA41 |
