BK Precision 1856D страница 17 Скачать руководство пользователя

Страница: 17 / 23

3-7. Use of RS-232C Serial Interfacing

1) Hardware/Software Requirements

IBM PC/XT/AT or compatible computer

Microsoft Windows

Serial port for connection with counter

2) Output Data Formats

(1) Baud rate : 9600BPS

1 start bit (0)

8 data bit

1 stop bit (1)

NONE PARITY

(2) To Frequency counter

Command

Parameter

Terminate Code

'H' : HOLD

'0' : OFF

'1' : ON

'2' : TOGGLE

CR (0DH)

'G' : GATE

'0' : 0.01 SEC

'1' : 0.1 SEC

'2' : 1 SEC

'3' : 10 SEC

CR (0DH)

'D' : DATA REQUEST DON'T CARE

CR(0DH)

'F' : FUNCTION SET

CR(0DH)

'R' : REMOTE

'0' : OFF

'1' : ON

CR(0DH)

N*=

3.5GHz,F/C

PERIOD

TOTAL

RPM

(3) From Frequency counter

DATA UNIT

10BYTES include dp 4bytes CR

Содержание 1856D

Страница 1: ...1 Instruction Manual Model 1856D 3 7GHz Frequency Counter...

Страница 2: ...ovided by our service center or sales outlet free of charge We charge customers for repairs after the one year warranty period has expired We charge for repairs regardless of the warranty period if fa...

Страница 3: ...sion com Safety Summary Please take a moment to read these operating instructions thoroughly and completely before operating this instrument Pay particular attention to WARNINGS concerning conditions...

Страница 4: ...11 3 OPERATION 3 1 Controls Indicators and Connectors 11 3 2 Operating Instructions 14 3 3 Frequency Measurements 14 3 4 Period Measurements 16 3 5 Total Measurements 16 3 6 RPM Measurements 16 3 7 Us...

Страница 5: ...olutions Per Minute Measuring Function l External Frequency Standard Input with 9 Digit LED Display l Attenuator l Period l Total l Low Pass Filter l Line Filter Also provided is a self test function...

Страница 6: ...Display Digits 5 6 6 7 7 8 8 9 Frequency Input A RESOLUTION 0 1 Hz 0 99 Hz 10 uHz 1 uHz 1 uHz 0 1 uHz 0 1 uHz 10nHz 10nHz 1nHz 1 Hz 9 9 Hz 0 1mHz 10 uHz 10 uHz 1 uHz 1 uHz 0 1 uHz 0 1 uHz 10nHz 10 Hz...

Страница 7: ...to 600 x 106 RPM OVER FLOW OF g INPUT C CHARACTERISTICS h FREQUENCY RANGE 80 MHz to 3 5 GHz h SENSITIVITY 15mV from 80 MHz to 2000 MHz 20mV from 2000 MHz to 3 0 GHz 30mV from 3 0GHz to 3 2GHz 50mV fr...

Страница 8: ...age variation h TEMPERATURE STABILITY 5 PPM from 0 C to 50 C h MAX AGING RATE 5 PPM year h INT STD OUT 10 MHz Internal Standard Frequency Output LEVEL 1 V p p or more TTL 10TTL CAPACITANCE 15pF h EXT...

Страница 9: ...Equipment Ratings l Power 115VAC 10 50 60 Hz 9 W l Plug and Socket 3 wire ac power plug and 3 wire outlet l Fuse 500 mA 250V F type l Operating Environment TEMPERATURE 0 C to 40 C Accuracy Specified...

Страница 10: ...ugh a 3 conductor AC power cable to be plugged into a three contact electrical outlet to secure grounding If adapted into a 2 conductor cable use the ground terminal on the rear panel for grounding th...

Страница 11: ...F UNCT I ON 19 18 15 16 10 12 9 2 3 1 4 5 6 14 8 G A T ET I M E M UL T I P L I E R H OLD TOTALR E SE T OF F L P F I NP UTA COUP L E AC AT T 1 1 ON DC 1 1 0 20 50 FIG 2 FRONT PANEL GATE INDICATOR The g...

Страница 12: ...ect on the C input COUPLE SWITCH This switch is used to select the input coupling mode AC or DC INPUT A Use this input for frequency measurements below 100 MHz and all period measurements Female BNC c...

Страница 13: ...R VI CI NG T O DI SCONNE CTP OW E RSUP P LYBEFOREREP L ACI NG F USE 1 I NTST D OUT QUAL I F I E D P E RSONNE L E XTST D I N TOP REVENTE L E CTRI C SHOCK H A Z ARD AND F I R E RS 232C W A RNI NG 6 5 2...

Страница 14: ...R THAN THE LIMITS LISTED IN THE SPECIFICATIONS SECTION MAY DAMAGE THE COUNTER BEFORE APPLYING ANY SIGNAL TO THE INPUTS MAKE CERTAIN THAT IT DOES NOT EXCEED THESE SPECIFIED MAXIMUMS 2 FREQUENCY COUNTER...

Страница 15: ...y minimizing effects of high frequency noise that may accompany the signal h When making measurements near the lower cut off frequency of input A 10 Hz or less use DC coupling Push in the DC COUPLING...

Страница 16: ...ignal to be measured at input A The accumulated counts will be displayed continuously to a maximum count of 999999999 If this is exceeded the overflow message OF will be displayed c The ATTENUATOR LPF...

Страница 17: ...0BPS 1 start bit 0 8 data bit 1 stop bit 1 NONE PARITY 2 To Frequency counter Command Parameter Terminate Code H HOLD 0 OFF 1 ON 2 TOGGLE CR 0DH G GATE 0 0 01 SEC 1 0 1 SEC 2 1 SEC 3 10 SEC CR 0DH D D...

Страница 18: ...ive power source b Unscrew the fuse holder with a screwdriver c Remove the defective fuse d Install a new fuse of the SAME SIZE AND RATING e Screw the fuse holder back in CAUTION REPLACEMENT FUSES MUS...

Страница 19: ...y keeping cable lengths short or eliminated by providing a proper termination RG58 cable for example has a characteristic impedance of 50 The proper termination for this cable would therefore be a 50...

Страница 20: ...the LOW PASS FILTER the ATTENUATOR and or the 10 1 probe is recommended WARNING USE CAUTION WHEN MEASURING THE LINE FREQUENCY OF AN AC OUTLET USE THE PROBE TIP ONLY AND MEASURE BOTH SIDES OF THE LINE...

Страница 21: ...arranty card to B K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 within fifteen 15 days from proof of purchase Exclusions This warranty does not apply in the event of misuse or abuse o...

Страница 22: ...device Customers not on open account must include payment in the form of a money order or credit card For the most current repair charges contact the factory before shipping the product Return all mer...

Страница 23: ...23 22820 Savi Ranch Parkway Yorba Linda CA 92887 USA TEL 714 921 9095 FAX 714 921 6422 PN 481 532 9 001 Printed in Korea...

Результаты поиска

Содержание 1856D

Отзывы:

Похожие инструкции для 1856D

Бренды по названию

Популярные бренды

BK Precision 1856D, Инструкция по эксплуатации

Результаты поиска

Содержание 1856D

Отзывы:

Похожие инструкции для 1856D

Бренды по названию

Популярные бренды