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Cannon CT-2000, Руководство пользователя

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CANNON

®

 CT-2000 Constant Temperature Bath

Revision 1.0g—February, 2012; 

CANNON

®

  Instrument Company

2139 High Tech Road • State College, PA  16803 • USA

All Commands or Queries must be preceded by the forward slash (/) and
the selected address (0-9 or A-F). Commands are identified with the
letter 

C 

and Queries are identified with the letter 

Q

; these identifiers

follow the address and precede the command or query information. All
Commands or Queries must end with a carriage return (

R

).

For examples of CT-2000 command and query language, consult the
tables on the following pages.

Downloading firmware

The CT-2000 is capable of receiving new operational instructions via
either the RS-232 or RS-485 interface. If the CT-2000 firmware is
updated, and a new release issued by 

CANNON

®

 Instrument Company, a

diskette will be sent to the user along with instructions on how to perform
this upgrade.

A “download” push button is located on the rear panel of the CT-2000.
Pressing and holding this button for several seconds places the CT-2000
instrument in the “download” mode.

NOTE

If the download button is pushed inadvertently, it may be necessary to
restart the CT-2000.

When the CT-2000 is in the download mode, the front LCD panel will
display the version number for the resident download hardware code and
the operational firmware.

Содержание CT-2000

Страница 1: ...ion 6 Inserting viscometer tubes thermometers 9 Filling the bath 10 Draining the Bath 11 3 BATH OPERATION 13 Applying power 13 Cold Start 13 Warm Start 14 Self test sequence 14 Front panel operations...

Страница 2: ...IX A MODEL CT 2000 PROBLEM ANALYSIS 29 B APPENDIX B CORRECTING SHAFT IMPELLER MISALIGNMENT 31 Shaft run out correction 31 C APPENDIX C CHOOSING A TEMPERATURE BATH LIQUID 33 D APPENDIX D CT 2000 SPARE...

Страница 3: ...00 Constant Temperature Bath The CT 2000 The CANNON CT 2000 Constant Temperature Bath is designed to maintain precise temperatures at a wide range of settings for accurate viscosity measurements Becau...

Страница 4: ...for thermometers Twin fluorescent lamps provide glare free illumination of the bath Microprocessor circuitry functioning in tandem with a pair of heaters and a stainless steel encased RTD provides st...

Страница 5: ...igh tempera ture liquids equipment Follow instructions in this manual regarding use and maintenance of the CT 2000 Do not place the CT 2000 system on an unstable cart or stand The CT 2000 should be pl...

Страница 6: ...CANNON CT 2000 Constant Temperature Bath Revision 1 0g February 2012 CANNON Instrument Company 2139 High Tech Road State College PA 16803 USA 4 This page intentionally left blank...

Страница 7: ...If any component s must be returned to CANNON Instrument Company the damaged item s should be packaged in the original shipping container Refer to APPENDIX E of this manual for instructions on return...

Страница 8: ...the CT 2000 4 Remove the front top cover and rear top cover see Figures 3 and 4 Use caution when removing the rear top cover because the tempera ture control probes and heating elements are attached t...

Страница 9: ...left empty as a vapor barrier 8 Replace the rear top cover Align the four holes then insert and tighten the screws 9 Replace the front top cover Line up the four holes then insert and tighten the scre...

Страница 10: ...the housing see Figure 8 2 Check the motor stirrer impeller blades to make sure that the flat sections all lie in the same plane see APPENDIX B then insert the motor stirrer into the opening provided...

Страница 11: ...screws and tighten 5 Adjust the four feet on the bottom of the bath housing to level the bath jar This should be done prior to filling the bath with fluid 6 Plug the CT 2000 main power cord at the ba...

Страница 12: ...ient to engage the float switch This float permits bath operation when the minimum amount of fluid has been added to the bath jar 3 Continue to add fluid until the bath liquid level has risen to appro...

Страница 13: ...suitable container to hold all of the liquid drained from the bath approximately 20 22 liters or 4 5 5 gallons Make sure that the bath liquid is within 10 C of ambient temperature Then insert a tube...

Страница 14: ...CANNON CT 2000 Constant Temperature Bath Revision 1 0g February 2012 CANNON Instrument Company 2139 High Tech Road State College PA 16803 USA 12 This page intentionally left blank...

Страница 15: ...atches your mains voltage NOTE The CT 2000 stores the last used temperature setting in memory so that on power up the bath will attempt to adjust to the last known and entered temperature Cold Start T...

Страница 16: ...oing failure in the system hardware or software the heating elements will be shut down and the system will be reactivated in Warm Start mode The keypad lights will flash in a repeat ing pattern and th...

Страница 17: ...m r o n s e i f i r e V e s l u P h t d i W r o t a l u d o M M W P e h t f o n o i t c n u f s e i f i r e V D A d n a n o i t c n u f s e i f i r e v d n a r e t r e v n o c l a t i g i d g o l a n...

Страница 18: ...000 following a failed self test by pressing the ENTER key If you do so the following LCD message will appear Attempting Normal Operation Proceed with CAUTION CAUTION A failed self test may result in...

Страница 19: ...longer beep indicates a data entry error unaccept able input such as a temperature value outside the range of the unit The ENTER button The ENTER button is the most used feature on the CT 2000 keypad...

Страница 20: ...n repeat the SET TEMP procedure Lower temperatures When the desired temperature setting is slightly above or below ambient coolant must be circulated through the cooling coil Input output connec tions...

Страница 21: ...three decimal places subject to the following param eters a A decimal point MAY be included as an entry b The entered temperature must be within the operational tempera ture range of the bath If not a...

Страница 22: ...UENCE MENU 1 ENTER Bath temperature offsets To select a Bath Temperature Offset function first press the MENU key then press 2 and press ENTER KEYPAD SEQUENCE MENU 2 ENTER The Bath Temperature Offset...

Страница 23: ...ud rate the default for most software is 9600 in bps bits per second from one of the following options 1 1200 4 19 2k 2 2400 5 38 4k 3 9600 Keypad sequence from initial LCD temperature display MENU 3...

Страница 24: ...gured to operate in a point to point RS 232 environment the following will appear on the LCD when the RS 232 option is enabled COMMUNICATION MODE 1 Polled 2 Point to Point 3 Config Reports 2 he last l...

Страница 25: ...xisting computer s DB 9 connector may be used with a DB 25 adaptor cable DB 25 male connector to DB 9 female connector Half duplex and polled multi drop operations The RS 485 interface is provided to...

Страница 26: ...llowing pages Downloading firmware The CT 2000 is capable of receiving new operational instructions via either the RS 232 or RS 485 interface If the CT 2000 firmware is updated and a new release issue...

Страница 27: ...i h t f i e l p m a x e n a s A C D C 1 s i h t e k i l k o o l t h g i m e s n o p s e r e h T S E Y C D C 1 F D e n o n d n a m m o c s i h T s t r o p e r l l a n i d n a D C L e h t n o t i e h n...

Страница 28: ...g i m e s n o p s e r e h T S E Y C B C C 9 B S C F e r u t a r e p m e t e e r g e d e l o h w d e i f i c e p s e h t r o f n i B t e s f f o n o i t a r b i l a c e h t s t e S s e e r g e d n i d...

Страница 29: ...w t e n e h t e n o t s a e l t a y b d e w o l l o f s i e l a c s e r u t a r e p m e t e h t t a h w e t a c i d n i o t F r o C a o w t n o l o c a y b d e w o l l o f s r u o h e t a c i d n i o...

Страница 30: ...CANNON CT 2000 Constant Temperature Bath Revision 1 0g February 2012 CANNON Instrument Company 2139 High Tech Road State College PA 16803 USA 28 This page intentionally left blank...

Страница 31: ...sistance in troubleshooting your CT 2000 consult the troubleshoot ing guide below If you are unable to resolve the difficulty call CANNON Instrument Company for assistance Problem Possible cause solut...

Страница 32: ...uid viscosity may be too high if the fluid is too viscous at the desired temperature the stirring will be inadequate resulting in poor control Stirring motor or impeller may not be operating properly...

Страница 33: ...tor shaft should be inserted to approximately the same length in the coupling You can test for shaft run out and impeller blade alignment by placing the motor on a soft surface with impeller facing up...

Страница 34: ...the test procedure marking the shaft at a location slightly removed from the first crayon mark 7 If the mark appears at the same side of a shaft as the first mark and is about the same length the ben...

Страница 35: ...s o m r e t a w f o n o i t p e c x e e h t h t i W y t i c a p a c y t i c a p a c t a e h e m a s e h t t u o b a e v a h l l i w s d i u l f y t i l i t a l o V t n e u q e r f e r o m e r i u q e...

Страница 36: ...is a tendency for algae formation some degree of water treatment may be necessary Water can be used at temperatures close to the boiling point but water replenishment to offset evaporation becomes a n...

Страница 37: ...ER TEMPPROBE P27 1260 SOCKETLAMP P27 1300 FLUORESCENTLAMP P27 1310 LAMINATEDSAFETYGLASS P27 1320 PLATEGLASS P27 2280 BALLASTSOLIDSTATE P27 2330 15AMPCIRCUITBREAKER120V P27 2331 8AMPCIRCUITBREAKER240V...

Страница 38: ...CANNON CT 2000 Constant Temperature Bath Revision 1 0g February 2012 CANNON Instrument Company 2139 High Tech Road State College PA 16803 USA 36 This page intentionally left blank...

Страница 39: ...e liable for any special incidental or conse quential damages or any damage to plant personnel equipment or products directly or indirectly resulting from the use or misuse of any product Representati...

Страница 40: ..._______ 2139 High Tech Road State College PA 16803 USA Please include the following Required information The Return Authorization number RA The name and telephone number of the person at your company...

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