Boonton 9240 RF Voltmeter Manual do Utilizador descarregar pdf (Página 39)

Boonton 9240 Series RF Voltmeter

RS232 Menu. The RS232 menu is used to configure the Model 9240 for serial communications over the RS-232 bus. An

example of the submenu is shown in Figure 3-10 and an explanation of the commands, parameters and factory defaults is

given in Table 3-5.

R T N

B A U D R A T E > 3 8 4 0 0

D A T A B I T S 8

S T O P B I T S 1

P A R I T Y N O N E

E O S L S T N L F

E O S T A L K E R C R L F

S R Q M A S K 0

Figure 3-10. RS232 Menu Display

Table 3-5 RS232 MENU Functions

Function Description Parameters Defaults

RTN Returns the instrument to the n/a

previous menu.

BAUD RATE Rate at which data is 300, 600, 1200, 2400, 4800, 38400

transferred over the bus. 9600, 19200, 38400, 57600,

115200

DATA BITS Number of data bits in a message. 7, 8 8

STOP BITS Number of stop bits in a message. 1, 2 1

PARITY Parity bit mode in a message. ODD, EVEN, NONE NONE

EOS LSTN End of string indicator for LF, CR, CRLF, NONE LF

received messages. Where:

LF = Line Feed

CR = Carriage Return

CRLF = Carriage Return

and Line Feed

EOS TALKER End of string character sent LF, CR, CRLF, NONE CRLF

with transmitted messages.

SRQ MASK Service request interrupt mask. 0 to 255 0

See Table 4-7 for bit Where:

descriptions. 255 enables all interrupts

Getting Started

3-13

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 99 100

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Boonton 9240 RF Voltmeter Manual do Utilizador Página 39