DSM VF-150 OEM Gebruikershandleiding - Pagina 3

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General Precautions

♦ All insulation of leads connected to output terminals should have at least a 300V rating.

♦ Do not use clip leads in the connections. They are very dangerous for high-voltage work.

Acceptable Load Types

♦ This Amplifier is designed to drive capacitive loads only. Do not use with resistive loads.

The driver will only work properly when a capacitive load is connected to the output.

♦ Never connect an inductive or a resistive load to the unit. This would cause a short-lived

high-current pulse at the output and would damage the unit.

Short Circuit Damage

♦ Although the VF-150 OEM is protected against a short circuit on the output, it is

recommended that a short circuit condition be avoided.

♦ Never connect an "earth ground" lead (e.g., an oscilloscope ground lead) to the output

terminal. This can cause high current at the output and possible damage to the unit.

♦ If the user desires to observe the output signals using a voltage meter or an oscilloscope, the

user must ensure that the meter or oscilloscope has an input impedance of at least 1 MΩ.

Smaller input impedances could damage the unit.

RECOMMENDED OPERATION

Intended Use

DSM's VF-150 OEM is intended to drive piezoelectric (capacitive) loads of the following types:

• Operating range –100 to +100 V

• Operating range –40 to +200 V

• Operating range –30 to +150 V

• Operating range –20 to +120 V

External power supply determines configuration. The input rail voltages should both be 5 to 10

Volts beyond the operating range. For example if -30 to +150 Volt operation is requred, typical

rail voltages would be -40 and +160 Volts. Two modes of operation are supported; the output

voltage can be set using an analog input voltage with nominal gain of 58, or the output voltage

can be set using a serial communication interface. Operation is decribed in more detail, below.

WARNING!

Hardware Version V131028

114 Southeast Parkway Ct.

Ste 160

Franklin, TN 37064

Tel: 615/595-6665

Fax: 615/595-6610