The DS3820FE1A1B1B is a 4-channel frequency/encoder input module with differential RS-422 inputs, high-speed pulse capture, and a fixed mixed terminal configuration (1A1B1B suffix). It is designed to accept high-frequency pulse signals (up to 500 kHz) from incremental encoders, flowmeters, tachometers, and proximity sensors. The DS3820FE1A1B1B features 4 independent channels with differential inputs for superior noise immunity, programmable scaling, 32-bit counters, and diagnostic monitoring. The fixed terminal configuration makes it a plug-and-play solution for high-speed counting, frequency measurement, and encoder feedback applications.
The DS3820FDCA1A1A is a 4-channel frequency/digital-to-analog converter module with a fixed screw-type terminal block (1A1A suffix). It converts high-speed pulse/frequency inputs (24 V DC) into analog output signals (0–10 V or 4–20 mA) for integration into PLC/DCS systems. The DS3820FDCA1A1A features 4 independent channels with programmable scaling, 16-bit analog output resolution, per-channel frequency-to-analog conversion, and diagnostic monitoring. The fixed terminal configuration makes it a plug-and-play solution for retrofitting pulse-output sensors into analog-only control systems.
The DS3820FDCA is a 4-channel frequency/digital-to-analog converter module designed to convert high-speed pulse/frequency inputs into analog output signals (0–10 V or 4–20 mA) for integration into PLC/DCS systems. It accepts 24 V DC pulse signals from flowmeters, tachometers, encoders, proximity sensors, and other pulse-generating devices, and converts the frequency to a proportional analog output. The DS3820FDCA features 4 independent channels with programmable scaling, 16-bit analog output resolution, per-channel frequency-to-analog conversion, and diagnostic monitoring. It is the ideal solution for retrofitting pulse-output sensors into analog-only control systems.
The DS3820EVCC is an 8-channel digital output module with high-side, high-current outputs, specifically configured for 24 V DC loads. It is designed to drive high-power field devices such as solenoids, contactors, motors, valves, and heaters. The DS3820EVCC features per-channel 2 A continuous output current, electronic overcurrent protection (with auto-restart), short-circuit protection, thermal protection, open-wire detection, and per-channel LED status indicators. It also includes software-configurable fail-safe states and diagnostic feedback (overcurrent, short-circuit, open-wire, over-temperature) via the backplane. The DS3820EVCC is the robust, high-power output solution for demanding industrial control applications.
The DS3820EPSA1A1A is a 4-channel digital output module with pulse train output, PWM (Pulse Width Modulation), and stepper/servo pulse generation capability, specifically configured for 24 V DC outputs with a fixed screw-type terminal block (1A1A suffix). It is designed to generate high-speed pulse trains (up to 200 kHz) for controlling stepper motors, servo drives, and other pulse-controlled devices, or for PWM applications such as speed control, heating control, and dimming. The DS3820EPSA1A1A features 4 independent output channels with programmable frequency, duty cycle, and pulse count, plus diagnostic monitoring, short-circuit protection, and per-channel LED status. The fixed terminal configuration makes it a plug-and-play high-performance pulse-output solution for motion and precision control applications.
The DS3820EPSA is a 4-channel digital output module with pulse train output, PWM (Pulse Width Modulation), and stepper/servo pulse generation capability, specifically configured for 24 V DC outputs. It is designed to generate high-speed pulse trains for controlling stepper motors, servo drives, and other pulse-controlled devices, or for PWM applications such as speed control, heating control, and dimming. The DS3820EPSA features 4 independent output channels with programmable frequency (up to 200 kHz), duty cycle, and pulse count, plus diagnostic monitoring for each channel. It is the versatile, high-performance pulse-output solution for motion and precision control applications.
The DS3820EOMA is an 8-channel digital output module with optically isolated outputs and diagnostic monitoring, specifically configured for 24 V DC outputs (sourcing). It is designed to drive field devices such as solenoids, relays, indicator lights, contactors, and small motors. The DS3820EOMA features per-channel optical isolation (500 V between channels), electronic overcurrent protection (with auto-restart), open-wire detection, short-circuit diagnostics, per-channel LED status indicators, and software-configurable fail-safe states. The enhanced channel-to-channel isolation distinguishes it from standard output modules, making it ideal for applications with mixed or floating loads.
The DS3820EMMA is an 8-channel digital output module with electronic short-circuit protection and diagnostics, specifically configured for 24 V DC outputs (sourcing). It is designed to drive field devices such as solenoids, relays, indicator lights, contactors, and small motors. The DS3820EMMA features per-channel electronic overcurrent protection (with auto-restart), open-wire detection, short-circuit diagnostics, per-channel LED status indicators, and software-configurable fail-safe states (output behavior on communication loss). It is the robust, intelligent output solution for critical control applications requiring fault tolerance and diagnostic feedback.
The DS3820DPMI1A1A is an 8-channel digital input module with pulse-capture, change-of-state (COS) latching, and mirrored output capability, specifically configured for 24 V DC inputs with a fixed screw-type terminal block (1A1A suffix). It is designed to capture short-duration pulses (as low as 1 ms) that standard digital input modules might miss due to scanning cycle limitations. The DS3820DPMI1A1A accepts 24 V DC signals from field devices such as limit switches, pushbuttons, proximity sensors, and relay contacts. It features per-channel pulse capture, COS latching (holds state changes until reset), mirrored discrete outputs (per-channel, 24 V DC, 0.5 A) for driving external indicators or relays, and software-configurable input filtering. It is the ideal solution for capturing fleeting events and providing local annunciation or control outputs.
The DS3820DPAA is an 8-channel digital input module with pulse-capture and change-of-state (COS) latching capability, specifically configured for 24 V DC inputs. It is designed to capture short-duration pulses (as low as 1 ms) that standard digital input modules might miss due to scanning cycle limitations. The DS3820DPAA accepts 24 V DC signals from field devices such as limit switches, pushbuttons, proximity sensors, and relay contacts. It features per-channel pulse capture, COS latching (holds state changes until reset), software-configurable input filtering, and per-channel LED status. It is the ideal solution for capturing fleeting events and momentary switch closures in diagnostic and alarm applications.
The DS3820DMVB1A1A is an 8-channel digital input module with diagnostic monitoring, time-stamping, and contact de-bounce/change-of-state (COS) latching capability, specifically configured for 24 V DC inputs with vibration-tolerant spring-clamp terminals and a fixed terminal configuration (1A1A suffix). It accepts 24 V DC signals from field devices such as limit switches, pushbuttons, proximity sensors, and relay contacts. The DS3820DMVB1A1A features per-channel time-stamping (1 ms resolution), COS detection, open-wire/short-circuit diagnostics, software-configurable input filtering, per-channel latching outputs, and spring-clamp termination for tool-free, vibration-resistant wiring. The fixed configuration makes it a plug-and-play SOE/latching solution for high-vibration environments requiring event logging and persistent fault indication.
The DS3820DMVB is an 8-channel digital input module with diagnostic monitoring, time-stamping, and contact de-bounce/change-of-state (COS) latching capability, specifically configured for 24 V DC inputs with vibration-tolerant spring-clamp terminals (suffix “B”). It accepts 24 V DC signals from field devices such as limit switches, pushbuttons, proximity sensors, and relay contacts. The DS3820DMVB features per-channel time-stamping (1 ms resolution), COS detection, open-wire/short-circuit diagnostics, software-configurable input filtering, per-channel latching outputs, and spring-clamp termination for tool-free, vibration-resistant wiring. It is the enhanced SOE/latching solution for applications in high-vibration environments requiring event logging and persistent fault indication.
