Danfoss 195N0031 VLT2807PS2B20STR1DBF10A00C0 Variable Frequency Drive
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Product Information
The Danfoss 195N0031 is a VLT 2800 variable frequency drive for motor speed control in industrial automation equipment. Model VLT2807PS2B20STR1DBF10A00C0 is rated at 0.75 kW (1 HP) and uses a single-phase 200-240 V AC supply. Its compact IP20 bookstyle enclosure supports side-by-side mounting, while the integrated R1 RFI filter, dynamic brake chopper and factory-fitted PROFIBUS DP communication identify this drive for installations requiring compact construction and fieldbus integration. The drive provides V/f control and VVC+ Voltage Vector Control.
When installing a Danfoss 195N0031 replacement, match the 195N0031 part number, VLT2807PS2B20STR1DBF10A00C0 model designation, single-phase 200-240 V supply, PROFIBUS DP function and dynamic braking requirements. The drive has five digital inputs, two analog inputs, one digital output, one analog output and one relay output; two digital inputs can be configured for pulse operation. Parameters can be stored in non-volatile memory and transferred using the Danfoss LCP Control Panel or MCT 10 Setup Software, so a spare normally requires parameter transfer and commissioning before returning the machine to service. ABC Industrial Parts can support preparation of a replacement or exchange unit.
For troubleshooting, use the LCP Control Panel readout, the MCT 10 Setup Software, the LCP alarm and warning log buffer, and status word or fault-code registers over RS-485 or PROFIBUS DP. The WARNING / ALARM LED indicates a drive trip, internal hardware fault or operational warning condition, while the BUS / FIELDBUS STATUS LED indicates the status of the PROFIBUS DP fieldbus option. Check the drive status, parameter set, control wiring and fieldbus connection during commissioning. The VLT 2800 family is discontinued, making repair and tested replacement relevant for existing machinery.
Technical Specifications
| Manufacturer | Danfoss |
| Part number | 195N0031 |
| Model/type | VLT2807PS2B20STR1DBF10A00C0 |
| Product family | VLT 2800 |
| Component type | Variable Frequency Drive |
| Rated output power | 0.75 kW |
| Rated output power | 1 HP |
| Supply voltage | 200-240 V AC |
| Input phases | 1 |
| Rated input current | 10.6 A |
| Rated output current | 4.2 A |
| Control method | V/f control and VVC+ Voltage Vector Control |
| Digital inputs | 5 |
| Analog inputs | 2 |
| Digital outputs | 1 |
| Analog outputs | 1 |
| Relay outputs | 1 |
| Pulse inputs | 2 configurable digital inputs |
| Dynamic brake chopper | Integrated |
| RFI filter | R1 |
| Serial interface | RS-485 |
| Fieldbus protocol | PROFIBUS DP |
| PROFIBUS DP data rate | 3 Mbit/s |
| Serial protocol | Modbus RTU |
| Enclosure rating | IP20 bookstyle enclosure |
| Mounting arrangement | Side-by-side mounting |
| Lifecycle status | Discontinued |
Programming and Configuration
Parameter sets for the VLT 2800 drive can be stored in non-volatile memory. A replacement can be configured through the Danfoss LCP Control Panel or MCT 10 Setup Software, allowing the installed parameter set to be transferred before commissioning.
Before starting the replacement, compare the existing drive and spare by part number, model designation, supply class, PROFIBUS DP function and dynamic braking requirements. Restore or transfer the parameter set, then check the five digital inputs, two analog inputs, configurable pulse inputs, outputs and relay interface against the machine wiring.
Communication and System Integration
The Danfoss 195N0031 provides an integrated RS-485 serial interface and supports Modbus RTU applications through the series RS-485 interface, subject to the applicable configuration. The interface can be used for serial control and status exchange with compatible automation equipment.
Factory-fitted PROFIBUS DP communication supports integration into PROFIBUS DP control networks at up to 3 Mbit/s. During a replacement, verify that the installed drive has the required PROFIBUS DP function and that the fieldbus connection and configured drive parameters match the machine system.
Diagnostics and Status Indication
Drive status and operating information can be checked through the LCP Control Panel readout or MCT 10 Setup Software. The LCP panel provides an alarm and warning log buffer, while status word and fault-code registers can be read over RS-485 or PROFIBUS DP.
Use the front-panel indications and communication diagnostics to distinguish a drive trip, internal hardware fault, operational warning or PROFIBUS DP communication condition. During commissioning, check the parameter transfer, control connections and fieldbus connection before returning the replacement drive to operation.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| WARNING / ALARM LED | Flashing or illuminated | Indicates a drive trip, internal hardware fault, or operational warning condition. |
| BUS / FIELDBUS STATUS LED | Indicates the communication status of the PROFIBUS DP fieldbus option. |
Replacement and Spare Part Considerations
For a compatible Danfoss VLT 2800 replacement, match the exact 195N0031 part number and VLT2807PS2B20STR1DBF10A00C0 model designation. Also confirm the single-phase 200-240 V AC supply, 0.75 kW (1 HP) rating, 4.2 A rated output current, PROFIBUS DP communication, IP20 bookstyle enclosure and integrated dynamic brake chopper.
A spare drive requires configuration work before it can control the machine. Transfer the parameter set with the LCP Control Panel or MCT 10 Setup Software, then verify the control wiring, pulse-input assignments, RS-485 or PROFIBUS DP connection and dynamic braking arrangement. A tested exchange unit or repair can be a practical route for an installed VLT 2800 system because the product family is discontinued.
Frequently Asked Questions
What is the Danfoss 195N0031?
The Danfoss 195N0031 is a VLT 2800 variable frequency drive, model VLT2807PS2B20STR1DBF10A00C0, rated at 0.75 kW (1 HP) for a single-phase 200-240 V AC supply.
Does the Danfoss 195N0031 include PROFIBUS DP?
Yes. The drive has factory-fitted PROFIBUS DP communication with a data rate of up to 3 Mbit/s.
Which software can be used to configure this VLT 2800 drive?
Parameters can be transferred using the Danfoss LCP Control Panel or MCT 10 Setup Software. The drive stores parameter sets in non-volatile memory.
What should be checked before installing a replacement 195N0031?
Match the 195N0031 part number and VLT2807PS2B20STR1DBF10A00C0 model designation, then verify the single-phase 200-240 V supply, PROFIBUS DP function, dynamic brake requirements, control wiring and parameter set.
How can the drive status be diagnosed?
Use the LCP Control Panel readout, MCT 10 Setup Software, the LCP alarm and warning log buffer, or status word and fault-code registers over RS-485 or PROFIBUS DP. The WARNING / ALARM LED indicates a trip, internal hardware fault or operational warning.
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