DANIEL 2234 Manuale utente

MODEL 2234

DIGITAL

FLOW COMPUTER

__________________________________________

DANIEL INDUSTRIES, INC.

HOUSTON, TEXAS

Part Number: 3-9000-333

Revision A

APRIL 1993

MODEL 2234 DIGITAL FLOW COMPUTER _____________________________

THE DANIEL INDUSTRIES, INC.

MODEL 2234

DIGITAL FLOW COMPUTER

NOTICE

DANIEL INDUSTRIES, INC. ("DANIEL") SHALL NOT BE LIABLE FOR TECHNICAL OR

EDITORIAL ERRORS IN THIS MANUAL OR OMISSIONS FROM THIS MANUAL.

DANIEL MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE WITH RESPECT TO THIS MANUAL AND, IN NO EVENT,

SHALL DANIEL BE LIABLE FOR ANY SPECIAL OR CONSEQUENTIAL DAMAGES

INCLUDING, BUT NOT LIMITED TO, LOSS OF PRODUCTION, LOSS OF PROFITS,

ETC.

PRODUCT NAMES USED HEREIN ARE FOR MANUFACTURER OR SUPPLIER

IDENTIFICATION ONLY AND MAY BE TRADEMARKS/REGISTERED TRADEMARKS OF

THESE COMPANIES.

BY DANIEL INDUSTRIES, INC.

HOUSTON, TEXAS, U.S.A.

copied in any form or by any means - graphic, electronic or

mechanical - without first receiving the written permission of

Daniel Industries, Inc., Houston, Texas, U.S.A.

____________________________________________________________________

PREFACE i

_____________________________ MODEL 2234 DIGITAL FLOW COMPUTER

WARRANTY

Daniel Industries, Inc. ("Daniel") warrants all equipment manufactured by it to be free from

defects in workmanship and material, provided that such equipment was properly selected for the

service intended, properly installed, and not misused. Equipment which is returned,

transportation prepaid to Daniel within twelve (12) months of the date of shipment (eighteen (18)

months from date of shipment for destinations outside of the United States), which is found after

inspection by Daniel to be defective in workmanship or material, will be repaired or replaced at

Daniel’s sole option, free of charge, and return-shipped at lowest cost transportation. All

transportation charges and export fees will be billed to the customer. Warranties on devices

purchased from third party manufacturers not bearing a Daniel label shall have the warranty

provided by the third party manufacturer.

Extended warranty - Models 2470, 2480 and 2500 are warranted for a maximum of twenty-four

(24) months. The Danalyzer valves are warranted for the life of the instrument and the columns

for five years.

The warranties specified herein are in lieu of any and all other warranties, express or implied,

including any warranty of merchantability or fitness for a particular purpose.

Daniel shall be liable only for loss or damage directly caused by its sole negligence. Daniel’s

liability for any loss or damage arising out of, connected with, or resulting from any breach

hereof shall in no case exceed the price allocable to the equipment or unit thereof which gives

rise to the claim. Daniel’s liability shall terminate one year after the delivery of the equipment

except for overseas deliveries and extended warranty products as noted above.

In no event, whether as a result of breach of warranty or alleged negligence, shall Daniel be

liable for special or consequential damages, including, but not limited to, loss of profits or

revenue; loss of equipment or any associated equipment; cost of capital; cost of substitute

equipment, facilities or services; downtime costs; or claims of customers of the purchaser for

such damages.

____________________________________________________________________

PREFACE

MODEL 2234 DIGITAL FLOW COMPUTER ___________________________

SECTION 1

1.0 INTRODUCTION .................................... 1

1.1 GENERAL ..................................... 1

1.1.1 CHANGES ................................ 2

1.1.2 HARDWARE ............................... 3

1.2 SPECIFICATIONS ............................... 4

1.2.1 INPUTS ................................... 4

1.2.2 OUTPUTS ................................. 5

1.2.3 DISPLAYS ............................... 10

1.2.4 CONTROLS ............................... 12

1.2.5 ACCURACY .............................. 14

1.2.6 OTHER .................................. 15

TABLE OF CONTENTS iii

__________________________ MODEL 2234 DIGITAL FLOW COMPUTER

SECTION 2

2.0 INSTALLATION AND INITIAL STARTUP ............... 17

2.1 GENERAL .................................... 17

2.2 UNPACKING .................................. 17

2.3 DAMAGE IN SHIPMENT ........................ 17

2.4 SHIPPING INSTRUCTIONS ...................... 18

2.5 INSTALLATION ............................... 18

2.5.1 DETERMINING OPTIONS .................... 18

2.5.2 CASE MOUNTING ......................... 20

2.5.3 ACCESS TO PLUG-IN PRINTED CIRCUIT

BOARDS ................................. 20

2.5.4 WIRING THE MODEL 2234 ................... 21

2.5.5 CONTROLLING EXTERNAL INDUCTIVE

CIRCUITS ................................ 22

2.6 STARTUP .................................... 24

2.6.1 GENERAL ................................ 24

2.6.2 STARTUP PROMPTING SEQUENCE ............ 26

2.6.3 SUPPLEMENTARY STARTUP INSTRUCTIONS .... 43

2.6.4 EXAMPLE OF STARTUP SEQUENCE ........... 47

TABLE OF CONTENTS

MODEL 2234 DIGITAL FLOW COMPUTER ___________________________

SECTION 3

3.0 OPERATION ...................................... 65

3.1 GENERAL .................................... 65

3.2 BASIC CALCULATIONS ......................... 65

3.3 OPERATIONAL OVERVIEW ..................... 67

3.4 BASIC KEYBOARD/DISPLAY FUNCTIONS .......... 75

3.4.1 SELECTING TEMPORARY OR PERMANENT

DISPLAY ................................ 75

3.4.2 VALIDITY CHECKS OF DATA ENTRIES ........ 75

3.4.3 FUNCTIONS OF SPECIFIC KEYS .............. 76

3.4.4 INDICATORS ............................. 78

3.5 DATA INPUT AND OVERRIDING CONTROLS ....... 79

3.5.1 ENTERING AN OPERATOR - SELECTED VALUE . . 80

3.5.2 SWITCHING MEASURED - VALUES AND

OPERATOR - ENTERED VALUES .............. 80

3.6 DATA ACCESS ................................ 84

3.6.1 TRANSDUCER SCALING .................... 85

3.6.2 MEASUREMENTS .......................... 86

3.6.3 OPERATOR-ENTERED DATA CONSTANTS ...... 88

TABLE OF CONTENTS v

__________________________ MODEL 2234 DIGITAL FLOW COMPUTER

3.6.4 COMPUTER CALCULATED VARIABLES ........ 89

3.6.5 OUTPUT SCALING ......................... 93

3.6.6 OVER-RIDES ............................. 94

3.7 COMPUTER ACTION REQUESTS ................. 95

3.7.1 OPERATIONAL ACTIONS .................... 96

3.7.2 DIAGNOSTIC AID ACTIONS.................. 98

3.7.3 PARAMETER DISPLAY ACTIONS ............ 103

3.7.4 CLEARING ACTIONS ...................... 105

3.8 SERIAL OUTPUT FOR PRINTING ................ 106

3.8.1 READ CODE USAGE ...................... 108

3.8.2 DELAY (DLY) - READ CODE 44 .............. 108

3.8.3 DATE (DTE) - READ CODE 45 ............... 108

3.8.4 REAL TIME CLOCK (TIM) - READ CODE 46 .... 109

3.8.5 DAILY PRINT TIME (DPT) - READ CODE 47 .... 109

3.8.6 PRINT INTERVAL (INT) - READ CODE 48 ...... 109

3.8.7 IDENTIFICATION (ID) - READ CODE 49 ....... 110

3.8.8 BAUD RATE (BUD) - READ CODE 50 ......... 110

3.8.9 PRINT TABLE (P01 - P32) - READ CODES 51 - 82 . 110

TABLE OF CONTENTS

MODEL 2234 DIGITAL FLOW COMPUTER ___________________________

3.8.10 PRINT FORMAT ......................... 111

3.9 FREQUENCY DENSITOMETER OPTION .......... 112

3.9.1 CALCULATIONS .......................... 112

3.9.2 PROMPTING SEQUENCE ................... 115

3.9.3 CONSTANTS ............................ 116

3.9.4 EXAMPLES .............................. 117

3.9.5 COMMAND CODES ....................... 125

3.9.6 ALARMS ............................... 125

3.10 CALCULATIONS - EACH METER ................ 126

3.10.1 STARTUP PROMPTING .................... 135

TABLE OF CONTENTS vii

__________________________ MODEL 2234 DIGITAL FLOW COMPUTER

SECTION 4

4.0 CALIBRATION PROCEDURES ....................... 137

4.1 GENERAL ................................... 137

4.2 BENCH CALIBRATION ........................ 137

4.2.1 DETERMINE THE INSTRUMENT OPTIONS ..... 137

4.2.2 REQUIRED TEST EQUIPMENT ............... 137

4.2.3 PROCEDURE ............................ 138

4.2.4 POWER SUPPLY ADJUSTMENTS ............. 138

4.3 FIELD CALIBRATION ......................... 141

4.3.1 RATE VOLTAGE CALIBRATION ............. 141

4.3.2 REFERENCE VOLTAGE CALIBRATION ......... 142

4.3.3 RATE CURRENT CALIBRATION .............. 142

4.3.4 DENSITY CURRENT CALIBRATION ........... 146

TABLE OF CONTENTS

viii

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