Dart Controls
Dart MD40P-420 Plus Digital DC Drive, Washdown rated Panel Mount, Input 120/240 VAC, Output 90/180 VDC, Current 5ADC, HP Range 1/8-1/2 (90V), 1/4-1 (180V) -with Opt 420 (isolated 4-20mA input and output).
- Mfg's Part Number:
- MD40P-420
- Availability:
- Stock item, usually ships in 2-5 days
Description
The Dart MD40/MD50 Plus Series Digital DC Drives are field-programmable closed loop DC SCR controls for brush DC motors up to 2HP. The drive system employs an advanced velocity-form PID algorithm for accurate and responsive control. The MD Plus with -420 Option offers an isolated 4-20mA input and output for easy integration with existing Process Control systems. The MD Plus is ideally suited for metering pump applications by efficiently combining all of the application requirements into a single compact package. The MD Plus with -420 Option not only accepts a 4-20mA signal to control the pump speed, but it also provides a 4-20mA output signal back to the Process Control that is proportional to the actual running speed. Both the input and output signals are isolated from each other and from the control itself. The MD Plus system 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 fault 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. The NEW -51 Option adds serial communication capability to all models in the MD Plus Series. RS232 and RS485 protocols are supported.
- Panel Mount
- Dual Supply Voltage 120/240 VAC, 50/60Hz
- Full HP rated - no auxiliary heat sink required
- 85-250 VAC line voltage operating range
- Closed loop +- 0.1% regulation
- Encoder required - See Dart PU Series
- Barrier terminal strip - optional plug terminal strip
- Full wave bridge supply
- Configurable Minimum & Maximum speed
- Configurable Linear Accel & Decel (ASP only)
- Programmable display units
- Non-volatile meory retains custom programming
- Program lockout safety feature
- Custom user program memory storage & retrieval
- See ambient temp in catalog
- 100:1 speed range
- Overload capacity: 200% for one minute
- Transient voltage protection
- Configurable alarms with Form C relay output
- Inhibit circuit - permits low power start & stop
- Suitable for washdown applications.
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