MTT MS3704-D1 Slim Plug-In High-Level Signal Conditioner

The MTT MS3704-D1 is a slim plug-in high-level signal conditioner built specifically for low-voltage DC-powered panels, running from an 11-27V DC supply rather than the AC mains or higher DC voltages used by other models in the range. It accepts a variety of standard DC current or voltage signals and delivers them as one or two galvanically isolated DC outputs, making it well suited to remote installations, mobile equipment, or control cabinets already built around a low-voltage DC bus.

Like the rest of the plug-in transmitter range, the MS3704-D1 clips into its own socket base so the unit can be swapped for calibration or replacement in seconds without disturbing the field wiring. Where a dual-output configuration is used, both outputs stay isolated from each other, the input, and the power supply, letting one signal drive a control loop and an independent monitoring or logging system at the same time. Its low power draw and wall or DIN rail mounting make it a straightforward fit for compact, DC-powered panel designs.

Power Supply11-27V DC, approx. 0.8W max (single output) or 1.2W max (dual output); 160mA fuse
Input Types4-20mA DC, 2-10mA DC, 1-5mA DC, 0-20mA DC, 10-50mA DC, or 0-1V/0-5V/1-5V/0-10V DC (configurable)
Input Resistance100Ω to 1MΩ minimum, depending on signal type
Allowable Input30V DC max. continuous (voltage inputs); 40mA DC max. continuous (current inputs)
OutputConfigurable single or isolated dual output, same range options as input
Output LoadUp to 750Ω for single 4-20mA output; 550Ω/350Ω for dual outputs
Zero & Span AdjustmentApproximately ±5% of span
Isolation4-way isolation between input, Output 1, Output 2, power, and ground
AccuracyBetter than ±0.1% of span (at 25°C±5°C)
Response Time85ms maximum (0-90%); 10ms with /K fast-response option
CMRRMinimum 100dB (500V AC, 50/60Hz)
Insulation Resistance100MΩ minimum at 500V DC
Dielectric Strength2000V AC for one minute
Dimensions (W x H x D)29mm x 86mm x 125mm
WeightMain unit 120g; socket 80g
MountingWall or DIN rail mounting, plug-in socket base
Operating Temperature-5 to 55°C ambient
Operating Humidity5-90% RH, non-condensing

Download MTT MS3704-D1 Slim Plug-In High-Level Signal Conditioner information here

Datasheet: MTT_SpecSheet_MS3704-D1_Rev14_E

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