{"product_id":"ge-ds3820lt4a1c1a-speedtronic-mark-iv-control-panel","title":"GE DS3820LT4A1C1A Speedtronic Mark IV Control Panel","description":"\u003ch2\u003eGE DS3820LT4A1C1A Speedtronic Mark IV Load Trak IV Control Panel\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE DS3820LT4A1C1A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDS3820LT4A\u003c\/strong\u003e Control Panel, operates as a dedicated hardware component for motor load monitoring and local operator control within Speedtronic Mark IV systems. The panel manages analog temperature and current sensing inputs to drive local display feedback and execute PID-based load regulation algorithms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDS3820LT4A1C1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE (General Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.24 kg (1.2-2.0 kg with complete controller housing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.5 x 13.5 x 13.5 cm (Panel assembly: 210 x 150 x 50 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax 30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eSpeedtronic Mark IV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Type\u003c\/td\u003e\n\u003ctd\u003eLoad Trak IV, DC motor\/load control panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay \u0026amp; Keypad\u003c\/td\u003e\n\u003ctd\u003e5.7 in LCD (320 x 240 resolution), 20 buttons, 8 programmable function keys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e4 differential channels (0-20 mA \/ 0-10 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Outputs\u003c\/td\u003e\n\u003ctd\u003e2 channels (speed reference\/control signals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital I\/O\u003c\/td\u003e\n\u003ctd\u003e8 digital inputs, 4 digital relay\/alarm outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eRS-232, RS-485 interfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e+24 VDC (500 mA) or 120 VAC (field-selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP54 front panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-25 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL, CSA, ISO 9001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity Licences and Deterministic Execution\u003c\/h3\u003e\n\u003cp\u003eThe DS3820LT4A1C1A interfaces with Mark IV control racks via isolated RS-232 and RS-485 serial communication links, transferring local setpoint entries and fault trip parameters without impacting backplane bus communication velocity across central processor racks. Real-time conversion of 4 differential analog input channels (0-20 mA \/ 0-10 V) and execution of PID load control algorithms occur locally within the controller assembly. This hardware distribution ensures continuous motor temperature and current protection even during transient network updates on primary system buses.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the DS3820LT4A1C1A process local fault trip triggers?\u003c\/p\u003e\n\u003cp\u003eA: The panel continuously monitors incoming temperature and current loop signals against programmed threshold values, energizing its onboard digital relay outputs to initiate alarm contacts without software intervention.\u003c\/p\u003e\n\u003cp\u003eQ: What power options are supported for field installation?\u003c\/p\u003e\n\u003cp\u003eA: The module supports field-selectable operating power inputs, accepting either +24 VDC at 500 mA or 120 VAC line power.\u003c\/p\u003e\n\u003cp\u003eQ: Can front-panel configuration parameters be adjusted while the unit is mounted?\u003c\/p\u003e\n\u003cp\u003eA: Yes, operators execute real-time setpoint adjustments and view operational diagnostic logs directly via the integrated 5.7 in LCD display and 20-button tactile keypad.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the control panel into the cabinet door cut-out using the perimeter sealing gasket to maintain the IP54 front panel ingress rating. Secure all panel mounting clamps evenly around the frame to prevent mechanical stress on the LCD membrane.\u003c\/p\u003e\n\u003cp\u003eConnect incoming RS-232 or RS-485 serial communication lines using shielded twisted-pair conductors, terminating shield drain wires at the main cabinet earth bus bar. Route 0-20 mA temperature\/current sensor wiring in grounded conduit separate from AC power cables. Confirm that the input voltage select jumpers match the supply power configuration (24 VDC or 120 VAC) before energizing the cabinet line.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":44546299297891,"sku":"DS3820LT4A1C1A","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/224_dc3b3828-01f7-44c7-b49f-0f76f29cf91a.jpg?v=1788339757","url":"https:\/\/www.autocontrolglobal.com\/products\/ge-ds3820lt4a1c1a-speedtronic-mark-iv-control-panel","provider":"AutoControl Global","version":"1.0","type":"link"}