MTT MS3770 Slim Plug-In Split-Range Transmitter

The MTT MS3770 Slim Plug-In Split-Range Transmitter takes a single DC current or voltage input and divides it into two separate, isolated output signals, each covering a defined portion of the input range. This is the standard building block for split-range control strategies, such as driving a heating valve over the lower half of a controller’s output and a cooling valve over the upper half, letting one control loop coordinate two final control elements without additional PLC logic.

Each output’s split point is independently adjustable, and the module can be configured for either a V-shaped or parallel output characteristic depending on how the two actuators need to hand off from one another. Front-accessible trimmers provide zero adjustment for fine calibration, and four-way galvanic isolation between input, both outputs, and power keeps each split-range signal clean and protected from noise and ground loops as it is distributed to its respective actuator.

Input Types4-20mA DC, 0-10V DC, or 1-5V DC
Input Resistance1MΩ min. (voltage); 250Ω (4-20mA current)
Max Allowable Input30V DC (voltage); 40mA DC (current)
Output Types4-20mA DC, 0-10V DC, or 1-5V DC (dual isolated outputs)
Max Output Load2mA (voltage output); 600Ω (current output)
Zero Adjustment±1% of span via front-accessible trimmer
Split RangeOutput 1 adjustable over 0-65% of input range; Output 2 adjustable over 35-100% of input range
Output CharacteristicSelectable V-shaped or parallel split-range configuration
AccuracyBetter than ±0.3% of span (at 25°C±5°C)
Temperature Effect±0.2% of span per 10°C change
Response Time500ms max (0-90%)
CMRR100dB min.
Isolation4-way isolation between input, Output 1, Output 2, power, and ground; 100MΩ min. insulation resistance @500V DC; 2000V AC dielectric strength for 1 minute
Power Supply100-240V AC (85-264V, 47-63Hz), 24V DC ±10%, or 100-240V DC (85-264V); 6.5VA max (AC) / 2.0W max (24V DC) / 2.5W max (DC)
DimensionsW29 x H86 x D125mm
Weight120g (main unit) / 80g (socket)
TerminalsM3.5 screw terminals, 0.8-1.0 Nm torque
MountingWall or DIN rail mount
Operating Conditions-5 to 55°C, 5-90% RH non-condensing
Storage Temperature-10 to 60°C

Download MTT MS3770 Slim Plug-In Split-Range Transmitter information here

Datasheet: MTT_SpecSheet_MS3770_Rev10_E

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