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Dwyer Instruments 16A2 Series, Инструкция по эксплуатации

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main-

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Page 15

AUTO / MANUAL OPERATION (16A3 ONLY)

The AUTO / MANUAL function allows you to manually adjust the output of the con-
trol. This is normally used during process setup or start up. It can also be used for
troubleshooting. To switch from AUTO to MANUAL press the         AUTO / MANU-
AL key and hold for three seconds. The MANual indicator will light and the lower dis-
play will change from normal to showing the actual output in percent. The value will
be the actual percentage of output that was active when the key was pressed. This
is usually known as “bumpless transfer”.

If you wish to change the output while in manual, press the       UP ARROW or      
DOWN ARROW keys to change the value, and press        ENTER to retain it. It is
important to remember that the value of the display can be read as 0 to 100% of the
full control output, or 0 to 100% of the range between 

S10L

and 

S10H

or 

S20L

and

S20H

. If 

APCt

is set for 

rEAL

, a reading of 50% in MANUAL represents 10 mA

(Assuming a current output regardless of the 

S10L

and 

S10H

settings.) If 

APCt

is set

for 

AdJ

, then 50% in MANUAL will represent the mid point in output between 

S10L

and 

S10H

. (Assuming a current output, 4 to 20 mA, with 

S10L

set to 

20

and 

S10H

set to 

100

, 50% will represent 12 mA.)

To return to AUTOmatic control, press the         AUTO / MANUAL key again. The
MANual indicator will go out, and the set point will take over. However, if you want
bumpless transfer back to AUTO, slowly change the percentage of output until the
process variable matches (or at least is close) to the set point. The further away the
PV is from the set point, the greater the “bump” or upset there will be in the out put.

949-1265:Layout 1  1/25/11  10:22 AM  Page 15

1.800.868.7495

QualityInstruments-Direct

.ca

Содержание 16A2 Series

Страница 1: ...sed Temperature Process Control LOVE CONTROLS DIVISION Phone 219 879 8000 DWYER INSTRUMENTS INC www love controls com P O BOX 373 MICHIGAN CITY INDIANA 46360 U S A e mail love love controls com Bullet...

Страница 2: ...d for type J thermocouples Suppose for this example you wish to change the input to a 100 ohm Platinum RTD and limit the set point range between 0 and 300 C First enter the Secure menu by pressing and...

Страница 3: ...then press the DOWN ARROW and INDEX keys again at the same time This will back out of the menu and immediately display the temperature reading If you want to use Self Tune or Auto Manual features see...

Страница 4: ...the housing through the cut out The housing gas ket should be against the housing flange before installing From the rear of the panel slide the mount ing collar over the housing Hold the hous ing with...

Страница 5: ...the connect Input wiring for thermocouple current and RTD and output wiring for current and 15 VDC is rated CLASS 2 Control wiring is as shown view is from the rear of instrument showing wiring ter m...

Страница 6: ...mitters follow the wiring instructions provided with your transmitter CAUTION DO NOT WIRE THE 24 VOLT POWER SUPPLY ACROSS THE INPUT OF THE CONTROL DAMAGE TO THE CONTROL INPUT CIRCUITRY WILL OCCUR Wiri...

Страница 7: ...PV SV Retransmission Current e g 4 20 mA na na na PV2 PV SV Retransmission Voltage e g 0 10V na na na 992 996 RS 485 Serial Communications B A na na na 993 995 RS 232 Serial Communications Data In Da...

Страница 8: ...gles the Ramp Soak program functions between Run mode program runs as set up and Hold mode program functions are suspended Press and hold key for three seconds to acti vate See section on Auto Maunal...

Страница 9: ...ure Menu is active NOTE To move the Primary Menu quickly from any other menu press the UP ARROW ENTER keys followed by pressing the INDEX DOWN ARROW keys SECURITY LEVEL SELECTION Four levels of securi...

Страница 10: ...ar menu item and can t find it check the menu item that is it s control for proper setting 2 The symbol is used in two ways It is used inside group of characters to indi cate which set point function...

Страница 11: ...hanges the SV display from SP1 to the Present Set Variable as calculated by the Ramp Soak Programmer function See Programming and Operation for Ramp Soak Feature below for more information If Pct0 Sec...

Страница 12: ...or the Ramp Soak function is done in the Secondary Menu You may wish to work out your program on paper before going into the programmer menu sequence In the Secondary Menu INDEX to Pro9 and make sure...

Страница 13: ...p soak function is PEnd PEnd determines what the control does when the program has ended You may choose to have the program repeat LooP HoLd the last set point 16SP revert to the local SP1 or turn the...

Страница 14: ...ma tion items added before SP1 appears The first INDEX item displays the time remain ing in the current segment in the top display and the message ti in the lower display The next INDEX item displays...

Страница 15: ...important to remember that the value of the display can be read as 0 to 100 of the full control output or 0 to 100 of the range between S10L and S10H or S20L and S20H If APCt is set for rEAL a reading...

Страница 16: ...ons that have been recognized as standard for decades The only modification to the application of the Ziegler Nichols equations is con trolled by the dFAC menu item This menu item controls the amount...

Страница 17: ...MENU ITEM SETTINGS WILL TAKE EFFECT ON THE NEXT POWER UP OF THE CONTROL BE SURE TO TURN THE POWER TO THE CONTROL OFF AND ON BEFORE USING THE NEW BAUD RATE AND ADDRESS VALUES In operation you have the...

Страница 18: ...Love Controls uses to save the settings your program in your con trol The reliability and longevity of the data retention is what allows us to guarantee a 10 year data retention without power In norm...

Страница 19: ...e April 2001 are only able to write to the EEPROM Controls manufactured after this date have a menu item in the Secure menu Stor that allows the serial communications to write to RAM Stor no with a sp...

Страница 20: ...Set Point 2 Adjust if equipped Control Point 2 SECONDARY MENU Hold UP ARROW ENTER Press INDEX to advance to the next menu item Press UP ARROW or DOWN ARROW to change the value in the display Press ENT...

Страница 21: ...g heat power goes to zero as the temperature increases to set point tP Time Proportioning Cycle Time Select 1tP to 80tP 1tP A setting of 1tP is recommended for solid state outputs SSR or 15VDC 2tP to...

Страница 22: ...P Time Proportioning Cycle Time Select 1tP to 80tP 1tP A setting of 1tP is recommended for solid state outputs SSR or 15VDC 2tP to 80tP Time Proportioning Control is adjustable in 1 second steps Recom...

Страница 23: ...of tunE parameters as indicated by tun tun Option 948 4 Stage Set Point or tunE Tuning Choice Select SELF Pid SL0 nor or FASt SELF The Controller will evaluate the Process and select the PID values t...

Страница 24: ...process input is not within the Proportional Band 0FF When ArUP is 0FF the accumulated Reset Offset value is retained in memory when the process input is not within the Proportional Band ArtE Approac...

Страница 25: ...ntroller in percent An o will appear in the right hand side of the lower display to indicate percent output for SP1 An will appear on the right hand corner of the lower display to represent percent ou...

Страница 26: ...1 time 1ti PEnd Program End Action 16A3 Select HoLd or 0oFF HoLd Stay at the Present Set Point 16SP 0oFF Turn Off SP1 and SP2 Outputs at the end of the program LooP Repeat program starting at1t SP1 Re...

Страница 27: ...nds will be rejected Any write commands sent to this control will be rejected All read commands are accepted rE The host computer is allowed to send write commands If the control is not addressed with...

Страница 28: ...1 800 868 7495 QualityInstruments Direct ca...

Страница 29: ...ces is only available for Current and Voltage inputs 0000 Four decimal places is only available for Current and Voltage inputs 1nPt Input Fault Timer Select 0FF 0 1 to 540 0 minutes Whenever an Input...

Страница 30: ...this will set the low range end Value not adjustable for Thermocouple and RTD ranges SCAH Scale High Select 100 to 11998 counts above SCAL The total span between SCAL and SCAH must be within 11998 cou...

Страница 31: ...s than S10L for output code 5 This item allows setting the maximum output limit This is useful with processes that are over powered Adjustment to 102 allows seeting current output to force a full on c...

Страница 32: ...hanged SP2 tracks SP1 S2St Set Point 2 State Select dir or rE dir Direct Action As the input increases the output will increase Most commonly used in cooling processes rE Reverse Action As the input i...

Страница 33: ...2Pi Set Point 2 Power Interrupt Select On or OFF 0n Alarm Power Interrupt is On Output will automatically reset on power up if no alarm condition exists 0FF Alarm Power Interrupt is OFF Output will be...

Страница 34: ...n a power failure and subsequent restoration if no alarm condition is present If Alarm Inhibit A1iH is selected ON an alarm condition is suspended upon power up until the process value passes through...

Страница 35: ...AL1 is set to EUnt go to A1St below A1t Alarm 1 Type Select AbS or dE AbS Absolute Alarm that may be set anywhere within the values of SCAL and SCAH and is independent of SP1 dE Deviation Alarm that...

Страница 36: ...300 1200 2400 4800 9600 baud 19 2 28 8 or 57 6 kbaud for Options 992 and 993 Select 300 1200 2400 4800 9600 baud or 19 2 kbaud for Options 995 and 996 This number must match the baud rate used by the...

Страница 37: ...ernal temperature sensor is broken RJC located in terminal 2 return to service ArEA This message appears if the ambient temperature of the control is out of range or RJC sensor is broken Set point out...

Страница 38: ...till be displayed Correct or replace sensor Clear with Global Reset L00P bAd The sensor may be defective heater fuse open heater open or the final power output device is bad Set point outputs inactive...

Страница 39: ...Restore to the factory default settings Recheck controller programming rEt FACt Unrecoverable error Return to service CHEC SP1 CHEC SP2 CHEC 1SP CHEC 16SP This message will appear upon power up if SP1...

Страница 40: ...counts per second Fuzzy Band Off or 1 to 4000 F C or counts Accuracy 0 25 of span 1 least signifi cant digit Resolution 1 degree or 0 1 degree selectable Line Voltage Stability 0 05 over the supply v...

Страница 41: ...ive 1 5A 240 VAC inductive Pilot duty rating 240 VA 2 A 120 VAC or 1 A 240 VAC Alarm Relay SPST 3 A 240 VAC resistive 1 10 HP 120 VAC Current isolated 0 to 20 mA across 600 ohms maximum Switched Volta...

Страница 42: ...parity Number of units on line ports 1 Cable Lengths1 25 ft 7 6 m 995 RS 232 Series Communications Port Compliance RS 232C Isolation 500 VAC Protocol MODBUS RTU Address Range 001H or 0FFH Baud Rates 3...

Страница 43: ...0 Plt 0 00385 DIN1 RTD 328 to 1607 200 to 875 100 Plt 0 00392 NIST1 RTD 328 to 1607 200 to 875 120 Nickel 0 00628 US1 RTD 112 to 608 80 to 320 1000 Plt 0 00385 DIN1 RTD 328 to 1607 200 to 875 Current...

Страница 44: ...DWYER INSTRUMENTS INC www love controls com P O BOX 373 MICHIGAN CITY INDIANA 46360 U S A e mail love love controls com Copyright 2012 Dwyer Instruments Inc Printed in U S A 1 12 FR 949 1265 Rev 9 1...

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