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| PartNumber | NV3W-MR20 | NV3W-MR20L | NV3W-MR40 |
| Description | Display Modules NV HMI 3.1"LEDW h/Rd 232C24VDC | Display Modules NV HMI 3.1"LEDWh/Rd 232C5VDC | LCD Displays TFT Displays & Accessories NV HMI 3.1"LEDWh/Rd 422A/485 |
| Manufacturer | Omron | Omron | Omron Automation and Safety |
| Product Category | Display Modules | Display Modules | Display Modules - LCD, OLED, Graphic |
| RoHS | Y | Y | - |
| Brand | Omron Automation and Safety | Omron Automation and Safety | - |
| Product Type | Display Modules | Display Modules | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Displays | Displays | - |
| Part # Aliases | NV3WMR20 | NV3WMR20L | - |
| Product | - | - | LCD Displays |
| Type | - | - | Non-Touch |
| Maximum Operating Temperature | - | - | - |
| Minimum Operating Temperature | - | - | - |
| Operating Supply Voltage | - | - | 24 V |
| Operating Supply Current | - | - | 80 mA |
| Interface Type | - | - | RS-422A RS-485 |
| Dimensions | - | - | - |
| Display Resolution Pixels | - | - | 128 x 64 |
| Diagonal | - | - | 3.1 in |
| Backlight Type | - | - | LED |