MTT MS3904 Chassis-mounting High-Level Signal Conditioner

The MTT MS3904 Chassis-mounting High-Level Signal Conditioner takes a standard DC current or voltage input and reconditions it into two mutually isolated DC output channels, packaged in the same compact chassis-mount format as the rest of the MS39-series. Where the slim plug-in MS3724 handles high-level signal conditioning on a DIN rail, the MS3904 covers the same role for panels built around MTT’s high-density RC3900 chassis platform.

A wide range of input and output voltage or current combinations is available, including matched dual-voltage pairs and mixed voltage/current outputs, so the module can be specified to match whatever signal levels the application calls for. Front-accessible trimmers allow zero and span adjustment, and four-way isolation between input, both outputs, and power keeps each channel electrically independent. The multi-slot chassis design makes maintenance straightforward and supports high-density mounting where many signal channels need to be conditioned in a compact space.

Voltage Input Options1-5V, 0-1V, 0-5V, 0-10V, ±5V, ±10V DC, or custom (0-200mV to 0-50V)
Current Input Options4-20mA DC (250Ω) or custom (0-100µA to 0-100mA)
Input Resistance1MΩ min. (voltage); 250Ω standard (current)
Max Allowable Input30V DC (voltage) or 40mA DC (current), continuous
Output ConfigurationsDual channel — matched voltage pairs or mixed voltage/current combinations
Output Load2mA max (voltage); 300Ω standard, 350Ω for dual current
Adjustment±2% of span, zero and span, via front trimmers
Isolation4-way isolation between input, Output 1, Output 2, and power; 100MΩ min. insulation resistance @500V DC; 1500V AC dielectric strength (input to outputs/power), 500V AC (between outputs/power)
CMRR100dB min. (500V AC, 50/60Hz)
Power Supply24V DC ±10%, 45mA max; 160mA fuse standard (125mA for C2 output code)
AccuracyBetter than ±0.1% of span (at 25°C±5°C); ±0.2% span per 10°C temperature effect
Response Time85ms max (0-90%, step input)
DimensionsW19.5 x H53 x D82mm
Weight70g max
MountingMulti-slot chassis (RC3900A or RS3900-01TB)
Operating Conditions0-55°C, 5-90% RH non-condensing
Storage Temperature-10 to 60°C
StandardsEMC Directive 2014/30/EU; EN61326-1:2013
Additional FeaturesCustomizable response frequency (up to 200Hz) and time constant (2ms @90%); optional CE compliance and polyurethane conformal coating

Download MTT MS3904 Chassis-mounting High-Level Signal Conditioner information here

Datasheet: MTT_SpecSheet1_MS3904_Rev240_E

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