Quantum-composers LDDC 1550 Manual do Utilizador descarregar pdf (Página 21)

9-21 | P a g e

:QE

0 or 1

Q-switch trigger enable.

0 = disable, 1 = enable.

:SY

0 - Disabled

1 - Pulse Control

2 - Q-switch

3 - Pulse Control/Q-

Switch

0 - Disabled

1 - Pulse Control

2 - Q-switch

3 - Pulse Control/Q-

Switch

Sync output setting.

System State Return

The system state return is represented by a 16 bit binary number in which only the first 6 bits are

utilized. As seen below, each bit represents an individual state (Crowbar status, Interlock status,

etc.). Upon sending the System State query command, a decimal representation of the binary

status bits will be returned.

Example 1: Crowbar = Closed, Over Temp = OK, Interlock = Closed, Fault = No Fault,

Ready = 1, Active = Stop, Enable = Active  1010001 = 85

Example 2: Crowbar = Open, Over Temp = Fault, Interlock = Open, Fault = Fault,

Ready = 0, Active = Stop, Enable = Inactive  0101000 = 40

Unused

Crowbar

0 = Open

1 = Closed

Over

Temp

0 = OK

1 = Fault

Interlock

0 = Open

1 = Closed

Fault

0 = No

Fault

1 = Fault

Ready

0 = Not

Ready

1= Ready

Active

0 = Stop

1 = Start

Enable

0 = Inactive

1 = Active

Unused

Q-SW

Mode

0 = Disable

1 = Enabled

Ext Trig

0 = Disable

1 = Enabled

9 Basic Setup and Operation

The LDDC/LSC has multiple functions and parameters which provides the potential for a

number of modes of operation. The following sections will outline a sequential list to be carried

out regarding basic start-up and operation pertaining to different scenarios:

Remote Operation Using Commands

The first example will concentrate on remote communications-based (via USB) operation that

requires the Diode Driver to supply power at a constant level while utilizing the Interlock

Control and Pulse Mode features.

1. First, ensure required USB drivers are already installed. Connect the LDDC/LSC to the

remote communications computer via USB.

2. Connect the LDDC/LSC to the Diode Driver Supply with a DB16 connector. If the

Diode Driver has the option of providing an auxiliary +15VDC (200mA) through pins 13

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 34 35

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