Measurement-computing Analyzer488 Uživatelský manuál stáhnout pdf (Strana 25)

Section 2 Getting Started

2.3

Enter the following commands at the keyboard controller prompt (

CMD>

) and

observe the Analyzer488 display:

SRQ IFC

RENATN

EOI

LOCATION MESSAGE

CMD> output 16;F0R0X

BUS ACG13 OD

¼ ¼

CMD> enter 16;eoi

BUS TAG16 50 ¼ ¼

NDCV-000.0156E-3

The display of the Analyzer488 after each command shows the last byte that was

transferred on the bus. Although you only see the last data byte, several bytes were

transferred. To view each transaction at at readable rate, set the handshake speed to

Slow by pressing the [SLOW] key. Set the rate to 3 bytes per second by pressing the

[SHIFT] key followed by the [SLOW] key. Use the curosr keys to select a rate of 3

steps per second then press [ENTER].

Enter the same commands to the keyboard controller. Observe the Anlayzer488

display and you will see the bus activity at 3 bytes per second:

SRQ IFC

RENATN

EOI

LOCATION MESSAGE

CMD> output 16;F0R0X

BUS TAG21 55 ¼ ¼

BUS UNL 3F ¼ ¼

BUS LAG21 30 ¼ ¼

BUS 'F' 46 ¼

BUS '0' 30 ¼

BUS 'R' 52 ¼

BUS '0' 30 ¼

BUS 'X' 58 ¼

BUS CR OD ¼ ¼

BUS ACG13 OD ¼ ¼

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 280 281

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Measurement-computing Analyzer488 Uživatelský manuál Strana 25