Dart Controls MD50E-51is a field-programmable closed loop DC drive system employing an advanced velocity-form PID algorithm for accurate and responsive control. NEMA 4 Enclosure. Large 1/2 inch digital display with front panel programming.
The MDsystem also has two field-programmable Form C relay contacts that can be set to indicate a wide variety of conditions such as the pump is running, a condition exists, and many other events. The MD plus system is available in both enclosed and panel-mount versions. The MD50E-420 version comes in a NEMA 4 enclosure complete with an auto/off/manual switch on the cover. The 1/8 DIN MD40P and 1/4 DIN MD50P panel-mount versions come complete with a NEMA 4X rated faceplate, gasket kit, stainless steel mounting hardware, and connections for an external auto/manual switch.

Input: 120/240VAC
Output: 0-90/180VDC
HP Range: 1/8-2

OPT51: RS485 Serial Communication card. Factory installed in MD50E only – field installed only in MD40P and MD50P

Features:
Universal power supply supports 85-265 VAC in
1/8 or 1/4 DIN panel mount with NEMA 4X faceplate, NEMA 4X stand-alone enclosure
Front panel field-programming (with lock-out jumper)
Display speed in any engineering unit of measure
Two alarm relay outputs (form C, 5 Amp @ 250 VAC)
Large 1/2 LED display
Master/Follower modes
Displays set point or actual running speed
Adjustable PID settings
Optional your company name/ logo on the cover

MD40/MD50 Digital DC Drive Video