HP StorageWorks 1000 - Modular Smart Array 프로그래밍 매뉴얼 - 페이지 2

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HP StorageWorks 1000 - Modular Smart Array에 대해서도 마찬가지입니다: 네트워크 매뉴얼 (8 페이지), 지원 목록 (34 페이지), 오류 방지 매뉴얼 (12 페이지), 기술 백서 (12 페이지), 펌웨어 업데이트 (9 페이지), 개요 (20 페이지), 설치 매뉴얼 (2 페이지), 지원 전화번호 (19 페이지), 참조 매뉴얼 (48 페이지), 관리 매뉴얼 (40 페이지), 릴리스 노트 (13 페이지), 빠른 시작 지침 (8 페이지), 빠른 시작 매뉴얼 (7 페이지), 릴리스 노트 (5 페이지), 교체 지침 (4 페이지), 백서 (13 페이지), 기술 개요 (15 페이지), 빠른 사양 (17 페이지), 사양 (49 페이지), 시작하기 매뉴얼 (34 페이지), 설치 (4 페이지), 설치 매뉴얼 (18 페이지), 분해 지침 매뉴얼 (9 페이지)

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HP StorageWorks 1000 - Modular Smart Array 프로그래밍 매뉴얼

HP 6002A/HP 1000

Buffering

The buffering option for the 6002A EQT should be turned off

until

the

device has been

tested

for valid operation.

:SYEQ,10,UN

will set the 6002A EQT to the unbuffered

mode.

Although the time-out for the 6002A EQT must be a com-

promise for all devices on the HP-IB, the 6002A time-out can

be as short as one second. The time-out is an error condition

for this device.

The 6002A either listens and accepts programming informa-

tion, or an error condition exists (the 6002A hardware is

inoperative). For this reason, it is usually satisfactory to allow

the operating system to handle time-out errors. (The device

configuration

word

defaults to this condition .) From File Man-

ager, a system request may be used to set the time-out

value:

:SYTO,10,100

will set

the

time-out on EQT 10 to one second.

Configuration

The 6002A

a device which will need special configuration

HP-IB.

Four

ASCII

characters are expected by the power

supply. These characters do not include an end-of-record

terminator.

(The carriage return (CR), linefeed (LF) ter-

minator will confuse

the

6002A.) When an ASCII write re-

quest

(a formatted

"WRITE"

from FORTRAN, for example)

performed in the HP 1000, a CRLF is automatically sent as

the record

terminator.

By inserting the underline character

C'_

) at the end of each output record, the end-of-record

terminators may be suppressed

This method must be used

each

time

a write

request

is made to the 6002A. See the

example

FORTRAN

program in figure 9-4 for more details.

SRQ

is not applicable to

the

6002A. The default SRQ config-

uration is

satisfactory.

DMA is

not usually allocated for the 6002A so the device

configuration word should be checked to see that a DMA

channel is not inadvertantly allocated.

The

I,J,

and P bits of the configuration word are not applica-

ble

to the

6002A, and may be left at their default values

9-2

From File Manager,

:CN,17,25E,17000E

will assure that LU

(the 6002A) is configured correctly.

Remote

The 6002A need not be configured into remote for

programming.

Programming

Because record terminators are not accepted, File Manager

should not be used to check out the power supply.

The HP-IB option (001) is basically a digital-to-analog conver-

ter (DAC) that voltage-programs the power supply's constant

voltage (CV) or constant current (CC) output in

the

high or

low range.

The

DAC automatically provides a voltage-

programming output to the power supply as soon as four

digits are received. This output is retained until the next four

digits are received

The DAC is programmed by the mag-

---../'

nitude digits in BCD in such a way that 000 equal 00.0% of

full range, 500 equals 50.0% of

full range,

and 999 equals

99.9% of full range.

The magnitude of the constant voltage (CV) or constant

current (CC) output of the power supply is programmed by a

data word comprised of four ASCII characters (digits) re-

ceived in the order shown by figure 9-2. The first digit

specifies range and the next three digits specify the desired

magnitude (percentage of full scale).

Range

1 or 2

~~-------'r~------_/

Magnitude

000-999

Figure 9-2. 6002A Data Word Format