{"id":"automationdirect-bx-dm1-18er","model_id":"BX-DM1-18ER","name":"AutomationDirect BX-DM1-18ER","summary":"The BX-DM1-18ER is a BRX Do-more programmable logic controller from AutomationDirect. It provides 10 discrete inputs and 8 relay outputs, one RS-232/RS-485 serial port, a microSD card slot, and battery-backed retentive memory. It is powered by 120-240 VAC and supports up to eight expansion modules.","study_notes":["Total memory is 192k words: 64k words ladder memory and 128k words user data memory.","The communication port is one RS-232/RS-485 3-pin terminal with speeds up to 115.2k baud.","Port protocols include Do-more protocol, Modbus RTU master/slave, ASCII in/out, K-sequence slave, and a non-secure HTTP webserver.","Programming uses ladder language in Do-more Designer programming software v2.0 or later.","Supports up to 8 expansion modules and up to 100+ PID loops configurable to the memory limit.","All 10 discrete inputs are high-speed capable; up to 3 high-speed counters are supported.","Relay outputs are Form A (SPST) with a load current of 2 A per point; nominal output voltage is 12-48 VDC/24-240 VAC.","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."],"safety_notes":["UL Listed File # E185989; UL Recognized and UL Hazardous listings are None; CSA file is None.","Contains an installed button lithium battery classified UN3091 with lithium content 0.07; replacement is D0-MC-BAT (CR2032).","CE declaration and RoHS compliance are stated; EU REACH document is referenced."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/programmable_controllers/brx_plcs_(stackable_micro_brick)/plcs_-a-_cpus/bx-dm1-18er","title":"BRX Do-more PLC: 10-pt in, 8-pt out, serial port, (programmable logic controller) (PN# BX-DM1-18ER) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/BX-DM1-18ER_cutsheet.pdf","title":"BX DM1 18ER 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":"plc","manufacturer":"automationdirect","controllers":[],"weight_kg":0.4309127515,"program_memory_words":64000,"data_memory_words":128000,"discrete_inputs":10,"discrete_outputs":8,"serial_ports":1,"supply_voltage":"120-240 VAC","joints":[],"protocols":["modbus-rtu"],"standards":[],"error_codes":[]},"url":"https://machineschema.com/hardware/automationdirect-bx-dm1-18er","license":"https://creativecommons.org/licenses/by/4.0/"}