Description
The Automation Direct EA3-S3ML-RN is a C-more Micro EA3 series 3-inch monochrome HMI designed for compact operator interface applications. It features a 128 × 64 pixel STN LCD display with selectable LED backlight colors for clear status indication. Powered by 5 VDC, this non-touch panel provides serial communication for integration with AutomationDirect PLC platforms.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Automation Direct |
| Category |
Human Machine Interface (HMI) |
| Part Number |
EA3-S3ML-RN |
| Subcategory |
Micro HMIs |
| Series |
C-more Micro EA3 |
| Display Size |
3 in (3.1 in viewable) |
| Display Type |
Monochrome STN LCD |
| Resolution |
128 × 64 pixels |
| Maximum Colors |
12-color monochrome backlight options |
| Brightness |
150 nits |
| Touch Screen |
No |
| Display Orientation |
Landscape |
| Backlight Type |
LED (selectable colors) |
| Power Requirement |
5 VDC |
| Communication Port |
(1) RS-232 (RJ12) |
| Supported Protocols |
CLICK serial, DirectLOGIC K-Sequence/DirectNET, Do-more/BRX serial, Productivity serial, Modbus RTU Master |
| Port Speed |
Up to 38.4k baud |
| Mounting |
Panel mount |
| Housing Rating |
NEMA 1 (NEMA 4/4X with optional gasket) |
| IP Rating |
IP20 (IP65 with optional gasket) |
| Programming Software |
EA-MG-PGMSW v4.3 or later |
| Includes |
Mounting hardware |
| Additional Information |
Power supplied through RJ12 when used with AutomationDirect PLCs |
| Weight |
0.5 lb |
Information About EA3-S3ML-RN
The EA3-S3ML-RN is part of the C-more Micro EA3 series of compact HMIs engineered for simple machine control and monitoring tasks. It utilizes a 3.1-inch monochrome STN LCD display with 12-color backlight options to enhance visibility and status differentiation. The unit communicates through an RS-232 (RJ12) port supporting multiple AutomationDirect PLC protocols and Modbus RTU Master functionality. Designed for panel mounting, it meets NEMA 1 and IP20 ratings, with optional gasket accessories available to achieve NEMA 4/4X and IP65 protection for more demanding environments.
Key Features:
- 3.1-Inch Monochrome Display: 128 × 64 pixel STN LCD for clear text and graphic presentation.
- Selectable LED Backlight Colors: Multiple color options for enhanced status indication and extended display life.
- Serial Communication Port: RS-232 (RJ12) interface supporting AutomationDirect and Modbus RTU protocols.
- 5 VDC Power Requirement: Low-voltage operation suitable for compact control systems.
- PLC Compatibility: Works with CLICK, DirectLOGIC, Do-more/BRX, Productivity Series, and Modbus RTU devices.
- Panel Mount Design: Compact footprint for installation in control enclosures.
- Expandable Environmental Protection: Optional gasket enables NEMA 4/4X and IP65 front protection.
- Software Configuration: Programmed using EA-MG-PGMSW software v4.3 or later.
The EA3-S3ML-RN delivers the reliability and precision required for compact industrial operator interface and machine monitoring applications.
