Thyristorized DC Motor Controllers

Libratherm Instruments Pvt Ltd (Manufacturer)
Thyristorized DC Motor Controllers

Model ID

  • TDM-1000 & TDM-10

Product Categories

Product Profile

Libratherm offers variable speed DC drive or DC motor controller, Models TDM-1000 & TDM-10, which is rugged, compact and fully solid-state controller designed to drive either PMDC motors or 4-wire excited field DC motors. The motor speed can be varied through a single turn potentiometer or through a...

Company Profile

Libratherm is an ISO 9001: 2008 certified Indian Company engaged in the manufacturing activity of Electronic Process Control Instruments since 1991. Product Range includes Digital and Microprocessor based Temperature Indicators / Controllers having different configurations, such as simple ON/OFF, Time Proportional, PID, Programmable Ramp / Soak, Multi-loop PID, Data Loggers with Printer and PC interface, Temperature Scanners, etc...

At Libratherm, the instruments are designed and developed by highly qualified and experienced team of Engineers with in-house Design and Development facilities for both hardware and software. Their products are economically priced, elegant in appearance, reliable and excellent in quality and are conforming to EN61010 international safety standards. Sales and service support is available by dealer's network in the major cities.
Technical Specifications

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ELECTRICAL:

Operating Supply Voltage

230 VAC / 110 VAC, 50 Hz, +/- 10%.

DC Output Voltage

1)      Armature: 0 to 200VDC Field: 200 VDC fixed @ 230VAC.

2)      Armature : 0 to 100VDC Field : 100 VDC fixed  @ 115VDC

Motor Load in HP

0.25 to 3 HP (TDM-10) With Armature / Field or PMDC

0.25 to 5 HP (TDM-1000) With Armature / Field or PMDC

Speed Control Signal

(0-5) VDC, (0-10) VDC, (4-20) mA optically isolated or through 10K single turn potentiometer.

Operating Temperature

0 oC to 70 oC.

Maximum Current Rating

25% of the rated value (continuous).

Front Panel LED Indication

For Power ON , Current Limit and Trip Relay

Isolation

DC control signal are optically isolated from Field/Armature voltage (hence safe to interface with PLC, PID controller, etc.)

Over Load / Over Voltage Protection

Using Current Limit and Trip features and individual Fuse protection for Armature and Field winding. Potential free TRIP contact is available on the terminals.

SPEED REGULATION:

By Armature Feedback

+/- 10% of set speed.

Current Limit

50 to 150% of the rated value (adjustable in TDM-1000).

Maximum Speed

50 to 100% of the rated value (adjustable in TDm-1000).

Acceleration / Retardation

0 to 15 seconds (adjustable soft start/stop in TDM-1000) and fixed in TDM-10.

Remote Start/Stop

Provision for external potential free input contact for starting and stopping the motor.

MECHANICAL:

Size

230 x 180 x 80 mm (TDM-1000)

96 x 96 x 160 mm (TDM-10)

Mounting

TDM-1000 can be mounted on the flat surface inside the control panel using 4 screws.

TDM-10 can be mounted on the front panel.

Weight

Approx. 2.5 Kg (TDM-1000)

Approx. 1.0 Kg (TDM-10)



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