Frequency Devices 9002 - Code $0 B - Go to Channel N, Filter M

To Next Page

To Previous Page

25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839

e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com

Section 5

Model 9002

Remote Control Operation

Table 5.10 translates into the following form of Table 5.6.

These codes can be developed into the following code sequence for the Model 9002. The hex codes become the

programming codes transmitted via IEEE-488 to the Model 9002.

The front display and indicator lights will indicate that the data was sent by the Code $06 command.

5.4.3 - Code $0B - Go to Channel N, Filter M

Special Code $0B is a three byte instruction that allows the remote controller to select a filter configuration number

and a channel number. The three bytes consist of:

• Byte 1 Command code ($0B)

• Byte 2 Defines channel number (1 or 2.). See Sec. 5.4.2.1

• Byte 3 Defines filter config. nun=number (0-7). See Sec. 5.4.2.1

Sending the $0B code will cause the front display and LEDs to indicate the selected channel number and filter

configuration, and will update the instrument to the selected configuration.

An example of the use of the $0B code follows.

Command data subsequent to this sequence will be stored in Channel 1 and Filter configuration number 2.

Byte D7 D6 D5 D4 D3 D2 D1 D0 Hex

4 1 1 1 1 1 0 0 1 $E7

5 1 0 0 1 1 0 1 1 $9B

6 0 0 0 1 1 0 1 0 $1A

7 1 0 1 1 0 1 0 1 $B5

Code Sequence for Sample Configuration

Code Function

$11 Start of Program

$06 Code 6, Set Filter

$00 Channel #1

$04 Filter Configuration #4

$E7 These bytes are the Filter Setup

$9B for Freq, Range, Mode

$1A Input, Coupling and

$B5 Pre- and Post-gain

$13 End of program

Code Description

$11 Start of program

$0B Code $0B, Go to Channel N, Filter M

$00 Channel #1 chosen

$02 Filter Configuration #2 chosen

$13 End of program