Directed Energy PVM-4210 Panduan Pengoperasian - Halaman 9

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continuous pulse recurrence frequencies greater than 20KHz. This formula is not

applicable when driving non-capacitive (resistive or inductive) loads. Contact DEI

for information or assistance in using the PVM-4210 with different load

characteristics or impedances.

4.0 Connector Pin-Outs And User Adjustments

Input And Output Connectors:

DB-15 PIN Number

P1 - 2

P1 - 3

P1 - 6

P1 - 7

P1 - 9

P1 - 10

P1 - 11

P1 - 12

P1 - 14

P1 - 15

+ Pulse Out:

- Pulse Out:

Controls:

+HV Adjust:

-HV Adjust:

4.1 Polarity Reversal

The output polarity can be easily selected through jumpers on pins 9, 10 and

11 of the DSUB connector.

When pins 9 and 10 are jumpered together, the output is non-inverted. The

output is held at ground when the pulser is not gated (i.e. the TTL gate is low).

When the TTL gate is high, the output of the pulser is connected to the

potential of the high voltage DC power supplies. This is shown in the figure

below:

Document Number 9100-0201 Rev 8

 Directed Energy, Inc. 2000-2002

Function

Ground

+5VDC Output For Enable Circuit (See text

below)

Gate TTL into 50Ω

+24VDC Return (Ground)

Non-inverted gate polarity select (When

jumpered to pin 10)

Gate/Output polarity select

Inverted gate polarity select (When jumpered

to pin 10)

Gate Return (Ground)

Power Supply Enable Input (TTL High)

+24VDC to +28VDC

Positive Pulse Output (SHV Connector, End Panel)

Negative Pulse Output (SHV Connector, End Panel)

+V Adjust, Full Counter-Clockwise = 0V

-V Adjust, Full Counter-Clockwise = 0V

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DEI PVM-4210