Brookfield CAP2000 Viscometer Manuel d'utilisateur télécharger pdf (Page 29)

Brookfield Engineering Labs., Inc. Page 29 Manual No. M/94-310F

CAP 2000 TRANSMIT/RECEIVE COMMANDS FOR COMPUTER COMMUNICATION

NOTE: All multiplication and division operations performed on any of the command values should

be done while the values in question are in their decimal (base 10) form (i.e. before any

conversion to hexadecimal).

Vyyy<CR> V<ss><CR>

Sets current speed and starts motor;

032H <= yyy <= 7D0H rpm; (yyy = hexadecimal speed);

50 rpm <= speed <= 2000 rpm

all yyy values shall be padded to 3 characters with leading

zeros;

a speed of 000 will stop the motor;

sets or clears the motor on bit (bit 1) in the status byte

accordingly;

sets illegal value bit in status byte if yyy is outside limits

Tttt<CR> T<ss><CR>

Sets current temperature and controls to it;

15EH <= ttt <= 2EEH; cold model (5°C to 75 °C)

15EH <= ttt <= 7D0H; hot model (50°C to 200°C)

ttt is the desired temperature multiplied by 10;

all ttt values shall be padded to 3 characters with leading

zeros;

sets illegal value bit in status byte if ttt is outside limits

R<CR> R<vvvvvvffffrrrrrrtttcc><ss><CR> Returns a data packet to the host;

all of the following values are in hexadecimal format;

vvvvvv viscosity (multiplied by 100)

ffff % torque (multiplied by 100)

rrrrrr shear rate (multiplied by 100)

ttt °C temperature (multiplied by 10)

cc cone

I<CR> I<i><ss><CR> Identify the viscometer and firmware in use

(See legend for description of i)

Scc<CR> Scc<ss><CR> Selects cone to be used

cc cone number in hexadecimal

Kccvvvvvveeeeeea Kccvvvvvvrrrrrraaaaaa<ss><CR>

aaaaa

<CR>

Calibrate a new cone;

the response will not be returned to the host until the

calibration is complete;

all of the following values are in hexadecimal format;

cc cone number

vvvvvv viscosity of calibration fluid (centipoise)

eeeeee shear rate constant of cone (multiplied by 10000)

aaaaaa cone multiplier constant

if there is an error, bit 7 of the status byte is set;

Invalid command ???<CR>

Invalid command received

TABLE F1 - CAP 2000 Interface Commands

Command

Received CAP 2000 Response Function

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 35 36 37

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Brookfield CAP2000 Viscometer Manuel d'utilisateur Page 29

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