{"id":"automationdirect-ea3-s3ml","model_id":"EA3-S3ML","name":"AutomationDirect EA3-S3ML","summary":"The EA3-S3ML is a C-more Micro EA3 series touch screen HMI panel from AutomationDirect. It has a 3 in monochrome STN LCD with a 128 x 64 pixel resistive single-touch screen and LED backlight, and communicates over one Ethernet port, two serial ports and one microB-USB port. It mounts in a panel cutout and is programmed with EA-MG-PGMSW software.","study_notes":["Viewable size is 3.1 in; display orientation is landscape; maximum colours are 12-colour monochrome at 150 nits brightness.","Ports: (1) Ethernet 10/100Base-T (RJ45), (1) RS-232 (RJ12), (1) RS-232/422/485 (DB15 female), (1) microB-USB.","Port speeds: up to 38.4k baud serial and 10/100 Mbps Ethernet.","Supported port protocols include Allen-Bradley DF1 full/half duplex, DH485/AIC/AIC+, AutomationDirect CLICK, DirectLOGIC K-Sequence and DirectNET, Do-more/BRX, ECOM, GS drives, Productivity, SOLO temperature controller, GE SNPX, Mitsubishi FX Direct, Mitsubishi Q, Mitsubishi QnA Ethernet, Omron FINS serial, Omron Host Link and Siemens S7-200 Serial-PPI.","Programming software is EA-MG-PGMSW; the spec table states v4.2 or later while the product notes state version 4.1 or later.","Programming requires a USB A to Micro B cable or an Ethernet cable; the panel can be powered from the serial port of most AutomationDirect PLCs or from the USB port during programming.","The EA3 series does not support the EA-MG-SP1 or EA-MG-P1 option modules.","Backlight colour is selectable: red, green, amber, yellow, lime, pink1, pink2, pink3, emerald1, emerald2, emerald3 and white.","Ship weight 0.7 lb; country of origin Japan; HS code 8471.30.","Box contents: panel, quick start guide, DC power connector (EA-MG-DC-CON), gasket (EA-MG-S3ML-GSK) and two mounting brackets (EA-MG-S3ML-BRK)."],"safety_notes":["UL Listed, file # E157382.","CE marked; RoHS compliant.","No UL Recognized, UL Hazardous or CSA file listed.","Housing rating NEMA 4/4X and IP65, panel mounting.","Environmental requirement: indoor use only."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/hmi_(human_machine_interface)/graphical_hmi_devices/hmi_panels/ea3-s3ml","title":"C-more Micro HMI: 3in, monochrome STN LCD, touch screen (PN# EA3-S3ML) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/EA3-S3ML_cutsheet.pdf","title":"EA3 S3ML cutsheet","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":9,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"hardware","spec":{"category":"hmi","manufacturer":"automationdirect","controllers":[],"weight_kg":0.3175,"supply_voltage":"5 VDC, 12-24 VDC","screen_size_in":3,"resolution":"128 x 64 pixel","ip_rating":"IP65","joints":[],"protocols":["ethernet-ip","modbus-rtu","modbus-tcp"],"standards":[],"error_codes":[]},"url":"https://machineschema.com/hardware/automationdirect-ea3-s3ml","license":"https://creativecommons.org/licenses/by/4.0/"}