Bently Nevada 3300/70 User manual

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•141A*
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E
PART NO. 84607-01
3300/70
DUAL VALVE POSITION
INDICATOR
OPERATION MANUAL
BENTLY r•
NEVADA

Dual Valve Position Indicator Operation
NOTICE
84607-01
READ THE FOLLOWING BEFORE INSTALLING OR OPERATING EQUIPMENT
Bently Nevada Corporation has attempted to identify areas of risk created by improper installation
and/or operation of this product. These areas of information are noted as WARNING or CAUTION
for your protection and for the safe and effective operation of this equipment. Read all instructions
before installing or operating this product. Pay particular attention to those areas designated by the
following symbols.
WAR\I\G
HIGH VOLTAGE PRESENT
COULD CAUSE SHOCK
BURNS OR DEATH
DO NOT TOUCH EXPOSED
WIRES OR TERMINALS
CAUTION
Machine Protection
Will Be Lost
SYMBOLS
Special symbols are used in the manual to illustrate specifics in the step by step processes. For
example:
PRESS FLASHING CONNECT DISCONNECT OBSERVE SCREWDRIVER
ii
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Dual Valve Position Indicator Operation
FORWARD
84607-01
This document is for control room personnel who operate the _00 Monitoring System. The
procedures are presented in step-by-step graphic format.
RELATED DOCUMENTS
3300 System Overview, 80177
3300 System Installation Instructions, 80172
3300 System Troubleshooting, 80173
3300/10 Power Supply, 80174
3300/01 System Monitor, 80175
3300/70 Dual Valve Position Indicator Maintenance Manual, 84608-01
Keyphasor3 is a registered trademark of Bently Nevada Corporation
Proximitor® is a registered trademark of Bently Nevada Corporation
Document No. 84607-01; First Printing : April 1989 Revision NC : April 1989
Copyright() 1989 Bently Nevada Corporation
All Rights reserved
No Part of this publication may be reproduced, transmitted, stored in a retrieval system nor translated into any human or
computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise,
without the prior written permission ci the copyright owner,
Bently Nevada Corporation
P. O . Box 157
Minden, Nevada 89423 USA
Tele pho ne 800-227-5514 702-782-3611
Telm ail /Tel ex 7400983 BNC UC
Fax [phone]
Copyright infringement is a serious matter under
United States of America and Foreign Copyright Laws
iii

Dual Valve Position Indicator Operation 84607-01 •
Blank Page
iv
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Dual Valve Position Indicator Operation
CONTENTS
84607-01
SECTION TITLE PAGE
1. Dual Valve Position Indicator System 1,2
2. Indicator Transducer Options 3
3. Programmable Options 4
4. Indicator Functions 5
5. OK 6
6. Bypass 7
7. Read Channel Valve Position (LVDT) 8
7. Read Channel Valve Position (POT) 9
8. Self Test 10-12
Index 13
v

Dual Valve Position Indicator Operation 84607-01
Blank Page
vi
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R= =R
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N=
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N
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Dual Valve Position Indicator Operation 84607-01
1VALVE POSITION INDICATOR LVDT SYSTEM
S3300/ 70
VEDUAL VAL POS I T ION
INDICATOR
too--too
9)1 190
PE P
VC- -50E
0
P91- -50P
E=
NN
4o- -4o
-:=30
20: -20
i0 -10
AOK 0 B
SIGNAL INPUT MODULE
LOCATION
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1
CHANNEL A
RECORDER -111-45...“"
OUTPUT
SIGNAL INPUT
MODULE
711
(31
CHANNEL B
RECORDER
OUTPUT
[5'
LVDT
ncT
1

Dual Valve Position Indicator Operation 84607-01
11 VALVE POSITION INDICATOR POT. SYSTEM
511:NAL INPUT MODULE
LOCATION
z3300,f0
DUAL VALVE POSIT'
INDICATOR
.007 :100
n"
o
Rs'EA: i70E
y
450i
4
70: 270
74 :.42
-EIO
Ammommim
A0 OK Os
CHANNEL A
RECORDER
OUTPUT
(CCM )
ROTARY POTENTIOMETER
CHANNEL 8
RECORDER
OUTPUT
(CCV)
ROTARY POTENTIOMETER
2
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3300/70 AA
01 =5000 OHM POTENTIOMETER 90 DEGREES TO 300 DEGREES FULL SCALE ROTATION
02 =5000 OHM POTENTIOMETER 50 DEGREES TO 90 DEGREES FULL SCALE ROTATION
03 =+/- 1.0 INCH (+/- 25mm) A.C. LVDT -> 2 INCHES ( 50 mm) = FULL SCALE
04 = +/- 2.0 INCH (+/- 50mm) A.C. LVDT -> 4 INCHES (100 mm) = FULL SCALE
05 =+/- 3.0 INCH (+/- 75mm) A.C. LVDT -> 6 INCHES (150 mm) = FULL SCALE
06 = +/- 5.0 INCH (+/- 125mm) A.C. LVDT -> 10 INCHES (250 mm) = FULL SCALE
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Dual Valve Position Indicator Operation
2I INDICATOR TRANSDUCER OPTIONS
DUAL VALVE POSITION
INDICATOR PART NUMBER
TRANSDUCER TYPE
84607-01
1
3

Dual Valve Position Indicator Operation 84607-01
3PROGRAMMABLE OPTIONS
OK MODE NONLATCHING
LATCHING
TIMED OK / CHANNEL DEFEAT
BYPASS CHANNEL A ENABLE / DISABLE
BYPASS CHANNEL B ENABLE / DISABLE
RECORDER OUTPUT OPTIONS +1 TO +5 Vdc
0TO -10 Vdc
+4 TO +20 mAdc
4
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Dual Valve Position Indicator Operation 84607-01
4INDICATOR FUNCTIONS
DUAL VALVE POSMON - The Dual Valve Position Indicator provides a continuous indication of relative (0 to 100 percent)
valve opening on two channels ( A and B). The Valve Position Indicator can be configured to operate with either one of four
types of A.C. LVDTs or a Rotary Potentiometer. The same type of transducer must be used on both channels.
The Linear Variable Differential Transformer (LVDT) is an electromechanical transducer whose electrical output varies with
the linear displacement of its movable iron core. The iron core is connected to the valve's operation linkage.
The Rotary Five Thousand Ohm (5 Kohm) Potentiometer is avariable resistor whose resistance changes with the rotation
of its center shaft. This center shaft is connected to the cam shaft driving the valve linkage.
OK - Both the Potentiometer Transducer Option and the A.C. LVDT Transducer Options have OK circuitry. In the case of
the Rotary Potentiometer, the OK circuitry checks for an open wire to the tranducer in addition to a shorted transducer. In
the case of the LVDT, the OK circuitry checks for an open or shorted primary field wire and an open secondary field wire.
Detection of any of the above conditions is indicated by turning OFF the appropriate channel's green LED and deenergizing
the OK Relay.
If the Indicator is configured for Nonlatching OKs, then once the transducer error is corrected the LED is turned back
on and the OK relay is energized.
If the Indicator has the Latching OK option, a System Reset is required to reset the OK function when the transducers
return OK
If the Indicator has Timed OK / Channel Defeat configured, a 30 second time out period exists after the monitor returns
OK. The System Reset is then required to restore the flashing green LED to a steady ON state.
OK RELAY - The OK Relay is located on the Power Input Module. Every channel in the rack must be OK or bypassed to
energize the OK Relay.
RECORDER OUTPUT -The Indicator has a recorder output for each channel. The recorder output is proportional to valve
opening. Depending on the option selected, the recorder outputs are 0 to -10Vdc, +1 to +5Vdc, or +4 to +20mA.
SELF TEST - The monitor has three categories of sett test: Power-Up, Cyclic, and User-Invoked.
Power-up self test is performed automatically each time the monitor power is turned on. A series of basic tests and
transducer OK tests are performed.
Cyclic self test is performed automatically during monitor operation. Errors encountered during cyclic tests disable the
monitor, and flash an LCD bargraph error code. Should the error be intermittent, the monitor will return to operation,
but the error codes are stored for retrieval during user-invoked self tests. Stored error codes are indicated by OK LEDs
flashing at 5 Hz provided that the channel is OK
User-Invoked self test performs power-up self test and allows error messages stored during Cyclic self tests to be read
and cleared. Stored errors are annunciated by flashing the OK LEDs at 5 Hz and displaying the error codes on the
front panel LCD bargraph.
5

Dual Valve Position Indicator Operation
A
LED DISPLAY
B
CONDITION
OK
RELAY DRIVE *
•OK •CHANNEL A AND B IN OPERATING RANGE ON
•
0
OK
OK
0
•
RESPECTIVE CHANNEL A OR B TRANSDUCER
IN NOT OK CONDITION OR BYPASSED. * OFF *
0OK 0
MONITOR IN SELF TEST, OR BOTH
TRANSDUCERS IN NOT OK CONDITION OR
BYPASSED. *
OFF *
kcp OK *
FLASHING AT 5 Hz = ERROR ENCOUNTERED
DURING CYCLIC TEST. READ ERROR MESSAGE
SEE SECTION 8.
ON
0
•
(nlij
OK
OK
OK
O
•
WITH TIMED OK / CHANNEL DEFEAT ENABLED,
AFTER A 30 SECOND DELAY, THE OK CHANNEL'S
LED WILL FLASH AT 1 HZ IF EITHER OR BOTH
CHANNELS WERE NOT OK DURING A POWER UP
BOTH LEDS WILL FLASH IN THIS MODE AFTER
THE 30 SEC. DELAY. SYSTEM RESET IS
REQUIRED TO RESET THE FLASHING LEDS.
ON
84607-01
5OK
NOTE: EACH CHANNEL IN THE SYSTEM CONTROLS THE OK RELAY. THEREFORE, EITHER
CHANNEL CAN CAUSE A NOT OK RELAY CONDITION (DE-ENERGIZED RELAY)
*NOT OK CHANNEL CAN BE BYPASSED TO RESTORE RELAY OK CONDITION
6
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•Dual Valve Position Indicator Operation 84607-01
6BYPASS
INDICATOR CHANNELS MAY BE INDIVIDUALLY BYPASSED VIA THE DIP SWITCH BEHIND THE FRONT PANEL.
BYPASSING A CHANNEL THAT IS NOT OK CLEARS THE OK RELAY. BYPASSING A CHANNEL WHICH IS OK TURNS
OFF THE OK LED. IN EITHER CASE, BYPASSING A CHANNEL CAUSES THE BARGRAPH AND RECORDER OUTPUT FOR
THAT CHANNEL TO READ ZERO.
BA
C
3300/70
DUAL VALVE POSITION
INDICATOR
00-- -DO
0C- 100
80- 80
F5701 -70
-P
E= E
-0 R
-C
EE
,0 y
0
p40- :40 p
E= = E
r\150
20- -20
=0
BA
BB
7

Dual Valve Position Indicator Operation
17 I READ CHANNEL VALVE POSITION (POT.)
INDICATOR CONTINUOUSLY INDICATES MEASURED VALVE POSITION FOR CHANNELS A AND B.
3300/70
DUAL VALVE POSITION
INDICATOR
wo_ —'CO
-90
7805
c
N
_70E
N
T= = T
60- 760
P59- -SOP
E= = E
NN
-0
0
10-
OK
S
8DIRECTION OF ROO
MOVEMENT FOR LPSCALE
READING
CHANNEL B
LVDT
DIRECTION OF ROD
MOVEMENT FOR LPSCALE
READINO
84607-01
ORIENTATION MARKS
8

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Dual Valve Position Indicator Operation 84607-01
7READ CHANNEL VALVE POSITION (POT.)
INDICATOR CONTINOUSLY INDICATES MEASURED VALVE POSITION FOR CHANNELS A AND B.
3300/70
DUAL VALVE POSITION
INDICATOR
100- 7100
901 -90
780P
-70EC
T_ - T
60- -60
0
P50- -50P0
N
40- -40
30- 0
20- 20
0- 0
OK
CHANNEL A POTENTIOMETER
POTENTIOMETER IS CONNECTED SO THAT WHEN THE VALVE
IS CLOSED. THE POTENTIOMETER IS AT MAXIMUM RESISTANCE
(0 DEGREES 5REFERRED TO CVI
METER READS UPSCALE AS THE POTENTIOMETER
RESISTANCE DECREASES (WITH S REFERRED TO CVI
CHANNEL 8 POTENTIOMETER
9

Dual Valve Position Indicator Operation 84607-01
8SELF TEST
THE MONITOR HAS THREE LEVELS OF SELF TESTS:
POWER-UP SELF TEST: PERFORMED ONLY WHEN MONITOR IS TURNED ON.
CYCLIC SELF TEST: PERFORMED CONTINUOUSLY.
USER-INVOKED SELF TEST: PERFORMED ONLY WHEN INITIATED BY USER.
IF ERRORS ARE DETECTED DURING CYCLIC SELF TESTS:
MONITORING IS ABORTED UNTIL THE ERROR IS
RESOLVED.
ERROR CODE IS STORED IN MEMORY AND FLASHED
ON THE LCD BARGRAPH DISPLAY.
THE OK LED FLASHES AT 5 HZ.
IF ERROR IS INTERMITTENT AND GOES AWAY:
MONITORING IS RESUMED AND OK LED FLASHES AT
5HZ.
ERROR CODE IS STORED. USER INVOKED TEST
DISPLAYS AND CLEARS ERROR.
IF ERRORS ARE DETECTED DURING POWER-UP TEST OR USER-
INVOKED SELF TEST:
MONITORING IS ABORTED UNTIL USER ACTION
RESOLVES PROBLEM.
TEST CAN BE RERUN WITH MONITOR POWER UP OR
USER INVOKED TEST.
NOTE
ALTHOUGH BOTH COLUMNS ON THE
BARGRAPH FLASH, THE ERROR CODE
IS ONLY THE SUM OF THE BARGRAPH
SEGMENTS DISPLAYED IN ONE COLUMN.
EXAMPLE SHOWS ERROR CODE 6.
10
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Dual Valve Position Indicator Operation 84607-01
8SELF TEST [CONT]
INITIATE USER-INVOKED SELF TEST BY SHORTING ACROSS TWO SELF-TEST (ST) PINS.
CAUTION
VALVE POSITION INDICATION WILL BE
LOST FOR DURATION OF TEST
AT COMPLETION OF USER-INVOKED SELF TEST INDICATOR WILL RECALL STORED ERROR CODES, IF ANY. THESE
ERROR CODES MUST BE READ AND CLEARED WITH USER INTERACTION TO ALLOW INDICATION TO CONTINUE.
ml
READ CODES ON LIST; STEP THROUGH EACH ERROR
CODE ON LIST BY SHORTING THE ERROR READ (ER)
TERMINALS FOR APPROXIMATELY 1 SECOND.
AT THE END OF THE LIST, THE LCD BARGRAPH
DISPLAYS ALL SEGMENTS. TO REREAD THE LIST
HOLD SHORT THE ERROR READ (ER) TERMINALS. TO
CLEAR THE LIST FROM MEMORY, HOLD SHORT THE
ERROR CLEAR (EC) TERMINALS FOR APPROXIMATELY
1SECOND.
11

Dual Valve Position Indicator Operation
18 I SELF TEST [CONY]
17.5 33owo
DUAL VALVE POSITION
INDICATOR
00= :00
90 leo
:40
:70
Leo- eo
Eg
30z ?A
0
NN
'1-30
203. Ui120
Er
0-** INC,
MOr
41.11.1&
OO
**
ERROR CODE
2
3
4
DESCRIPTION
ROM CHECKSUM HAS FAILED. *
EEPROM FAILURE NO. 1. *
EEPROM FAILURE NO. 2. *
84607-01
5+7.5V&-VT NODE OUT OF TOLERANCE. **
6+VRH NODE OUT OF TOLERANCE. **
7+5V NODE #1 OUT OF TOLERANCE. **
8MVREF NODE OUT OF TOLERANCE. **
9+7.5V NODE OUT OF TOLERANCE. **
10 +VRL NODE OUT OF TOLERANCE. **
11 MVREF & -6.5V NODE OUT OF TOLERANCE. **
12 +5V&-7.5V NODE OUT OF TOLERANCE. **
13 +5V NODE #2 CHECK OUT OF TOLERANCE **
14 RAM FAILURE. *
17 COP WATCHDOG NOT CONFIGURED *
THESE ERRORS ARE NONRECOVERABLE.
TESTED ONLY AT CYCLIC SELF TEST. ERROR CODES 5 THROUGH 13 COULD BE INTERMITTENT AND
RECOVERABLE.
12
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Dual Valve Position Indicator Operation
INDEX
84607-01
BYPASS 7
CYCLIC TEST 10
ERROR CODE 11, 12
INDICATOR 8, 9
LVDT 5
OK 5, 6
OK MODE 4
OK RELAY 5, 6
OPTIONS 3 4
PART NUMBER 3
POTENTIOMETER 5
POWER UP TEST 10
RECORDER OUTPUT 5
SELF TEST 5, 10
TRANSDUCER TYPES 3
USER INVOKED TEST 10, 11
13