{"id":"automationdirect-bx-dm1-18ed2","model_id":"BX-DM1-18ED2","name":"AutomationDirect BX-DM1-18ED2","summary":"The BX-DM1-18ED2 is a BRX Do-more stackable micro brick PLC from AutomationDirect. It provides 10 discrete inputs and 8 sourcing discrete outputs, a RS-232/RS-485 serial port, microSD card slot, battery backup, and expansion for up to eight modules. It is programmed in ladder with Do-more Designer software v2.0 or later and requires 120-240 VAC external power.","study_notes":["Total memory is 192k words, split into 64k words ladder memory and 128k words user data memory.","Programming uses ladder language and Do-more Designer software v2.0 or later.","Serial port is RS-232/RS-485 on a 3-pin terminal, up to 115.2k baud; supported port protocols include Do-more protocol, Modbus RTU master/slave, ASCII in/out, K-sequence slave, and a non-secure HTTP webserver.","Supports up to 8 expansion modules; has real-time clock/calendar, retentive memory, battery backup and a microSD card slot.","Discrete inputs accept 12-24 VAC/VDC and are sinking/sourcing; discrete outputs are 12-24 VDC sourcing at 0.5 A per point.","Supports up to 4 virtual axes, PTO pulse/direction or CW/CCW outputs, PWM outputs, and motion profiles including trapezoid, S-curve, electronic gearing, camming and linear interpolation.","Includes BX-RTB03S terminal block and D0-MC-BAT battery; requires BX-RTB18 or BX-RTB18-1 terminal block kit or ZIPLink pre-wired cables.","Maximum switching frequency is 250 kHz; supports 100+ PID loops configurable to memory limit."],"safety_notes":["Agency approvals: UL Listed File # E185989, CE marked, and RoHS compliant. UL Recognized, UL Hazardous and CSA files are listed as none.","Contains a button-cell lithium battery (CR2032; replacement D0-MC-BAT); dangerous goods classification UN3091, lithium content 0.07."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/programmable_controllers/brx_plcs_(stackable_micro_brick)/plcs_-a-_cpus/bx-dm1-18ed2","title":"BRX Do-more PLC: 10-pt in, 8-pt out, serial port, (programmable logic controller) (PN# BX-DM1-18ED2) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/BX-DM1-18ED2_cutsheet.pdf","title":"BX DM1 18ED2 cutsheet","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":10,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"hardware","spec":{"category":"plc","manufacturer":"automationdirect","controllers":[],"weight_kg":0.408233133,"program_memory_words":64000,"data_memory_words":128000,"discrete_inputs":10,"discrete_outputs":8,"serial_ports":1,"motion_axes":4,"supply_voltage":"120-240 VAC","joints":[],"protocols":["modbus-rtu"],"standards":[],"error_codes":[]},"url":"https://machineschema.com/hardware/automationdirect-bx-dm1-18ed2","license":"https://creativecommons.org/licenses/by/4.0/"}