{"id":"automationdirect-bx-dm1-10ar-d","model_id":"BX-DM1-10AR-D","name":"AutomationDirect BX-DM1-10AR-D","summary":"The BX-DM1-10AR-D is a BRX Do-more programmable logic controller CPU with 6 AC discrete inputs and 4 relay outputs. It provides an RS-232/RS-485 serial port, microSD card slot, battery-backed retentive memory, and real-time clock/calendar. It is programmed in ladder with Do-more Designer v2.0 or later and accepts up to eight expansion modules.","study_notes":["Total memory is stated as 192k words: 64k words ladder program memory plus 128k words user data memory.","The serial port is one RS-232/RS-485 3-pin terminal, rated up to 115.2k baud.","Serial port protocols include Do-more protocol, Modbus RTU master/slave, ASCII in/out, K-sequence slave, and a non-secure HTTP webserver.","Discrete inputs are 6 points at 120-240 VAC nominal, arranged in 2 isolated commons of 3 points each.","Discrete outputs are 4 Form A (SPST) relay points rated 2 A per point, with 12-48 VDC / 24-240 VAC nominal output voltage and 2 isolated commons of 2 points each.","Supports up to 8 expansion modules and up to 100+ PID loops configurable to memory limit.","Includes a BX-RTB03S terminal block and D0-MC-BAT battery; requires a BX-RTB10, BX-RTB10-1, or BX-RTB10-2 terminal block kit or ZIPLink pre-wired cables.","Programming software required is Do-more Designer v2.0 or later; programming language is ladder.","The item listing states shipping weight as 0.55 lb; this is not stated as net product weight."],"safety_notes":["UL Listed File # E185989.","CE declaration and RoHS status are stated; EU REACH document is referenced.","Contains an installed lithium button battery: UN3091, packaging instruction 970, replacement battery D0-MC-BAT, generic battery CR2032."],"sources":[{"url":"https://www.automationdirect.com/adc/shopping/catalog/programmable_controllers/brx_plcs_(stackable_micro_brick)/plcs_-a-_cpus/bx-dm1-10ar-d","title":"BRX Do-more PLC: 6-pt in, 4-pt out, serial port, (programmable logic controller) (PN# BX-DM1-10AR-D) | AutomationDirect","accessed":"2026-10-26"},{"url":"https://cdn.automationdirect.com/static/specs/cutsheet/BX-DM1-10AR-D_cutsheet.pdf","title":"BX DM1 10AR D cutsheet","accessed":"2026-10-26"}],"verification":{"status":"source_checked","checked_at":"2026-10-26","values":8,"method":"llm_source_check"},"updated_at":"2026-10-26","type":"hardware","spec":{"category":"plc","manufacturer":"automationdirect","controllers":[],"program_memory_words":64000,"data_memory_words":128000,"discrete_inputs":6,"discrete_outputs":4,"serial_ports":1,"supply_voltage":"12-24 VDC","joints":[],"protocols":["modbus-rtu"],"standards":[],"error_codes":[]},"url":"https://machineschema.com/hardware/automationdirect-bx-dm1-10ar-d","license":"https://creativecommons.org/licenses/by/4.0/"}