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Remote Programming

The bath can be programmed and controlled by a remote computer. Enter

step setpoints using the SYn command, time periods using the SXn com-

mand, number of loops using the SKxxxx command and number of periods

in the program using the Ssn command. Start the program using SG1 and

suspend the program using SG0. When the program is finished it will stop

automatically. If needed, SR will end the program at any time.

Here is a four setpoint, two loop example:

SV1[CR]

Select program number one

SY1,25.00[CR]

First setpoint = 25.00 degrees

SX1,20.0[CR]

First period = 20.0 minutes

SY2,40.00[CR]

Second setpoint = 40.00 degrees

SX2,60.0[CR]

Second period = 60.0 minutes

SY3,40.00[CR]

Third setpoint = 40.00 degrees

SX3,45.0[CR]

Third period = 45.0 minutes

SY4,25.00[CR]

Fourth setpoint = 25.00 degrees

Ss3[CR]

Program has three periods

SK2[CR]

Execute the program three times total

SG1[CR]

Begin executing program

SG0[CR]

Temporarily suspend the program

SR[CR]

Stop the program before it is finished

See the next page for the communication command protocol.

Содержание RTE 140

Страница 1: ...Instruction and Operation Manual RTE 140 Bath Circulator with Microprocessor Controller Thermo NESLAB Manual P N 000018 Rev 09 20 00...

Страница 2: ...Requirements 6 Fluids 8 Filling Requirements 8 SECTION IV SECTION IV SECTION IV SECTION IV SECTION IV Controllers Controllers Controllers Controllers Controllers Microprocessor Controller 9 Start Up...

Страница 3: ...rate carton do not dispose of it by mistake If the unit shows external or internal damage or does not operate properly contact the transportation company and file a damage claim Under ICC regulations...

Страница 4: ...3 conductor cord type HAR grounded 3 conductor cord type HAR grounded 3 conductor cord type HAR grounded 3 conductor cord type H 0 5 H 0 5 H 0 5 H 0 5 H 0 5 V V V V V V V V V V F F F F F with conducto...

Страница 5: ...ity1 1 1 1 1 Cooling Capacity Cooling Capacity Cooling Capacity Cooling Capacity Cooling Capacity2 2 2 2 2 Pump Capacity Pump Capacity Pump Capacity Pump Capacity Pump Capacity Heater Heater Heater He...

Страница 6: ...removing pump control box cover Always unplug the unit prior to removing pump control box cover Always unplug the unit prior to removing pump control box cover Refer to the serial number label on the...

Страница 7: ...lon tape around the threads Flexible tubing if used should be of heavy wall or reinforced construction Make sure all tubing connections are securely clamped Avoid running tubing near radiators hot wat...

Страница 8: ...adjusted the pump inlet will draw an occasional air bubble to prevent over flow and the pump outlet will force fluid through the submerged tube to prevent aeration of the vessel To avoid siphoning the...

Страница 9: ...nimum 80 20 A minimum 80 20 A minimum 80 20 A minimum 80 20 A minimum 80 20 mixture of Ethylene Glycol and filtered tap water is allowed mixture of Ethylene Glycol and filtered tap water is allowed mi...

Страница 10: ...m m m m 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 RS232 RS232 RS232 RS232 RS232 MUTE MUTE MUTE MUTE MUTE PERIOD PERIOD PERIOD PERIOD PERIOD ENTER ENTER ENTER ENTER ENTER m m m m 4 4 4 4 4 5 5 5 5 5 6 6 6 6 6 LOO...

Страница 11: ...arm condition HOLD OFF Programming hold feature disabled ON Programming hold feature enabled PROG OFF No program running ON The program is suspended1 FLASHING The program is running COOL OFF Refrigera...

Страница 12: ...he current setpoint Pressing the keypad ON OFF button again will disable control of the bath and shut down the pump The Main display will indicate OFF When the controller is in the RS232 mode of opera...

Страница 13: ...onding LED on the controller will illuminate Should either limit be exceeded an alarm will sound if not muted and the corresponding LED will flash To adjust either limit press HT LT and then press CLE...

Страница 14: ...oller has the capability to enable and or monitor a remote bath s temperature sensor Remote sensor probes of various sizes are available from Thermo NESLAB Contact our Sales Department for more inform...

Страница 15: ...l attention to the first part of your program What conditions must exist at the beginning of your process For example you may wish to program an initial period of constant temperature at the starting...

Страница 16: ...ption determines what will happen at the end of a program In the hold mode of operation the setpoint will remain at the final temperature when the program is completed Without hold the setpoint will r...

Страница 17: ...OTE NOTE NOTE If Assured Soak is activated the bath must reach that setpoint before the program will continue 88 88 SENSOR SENSOR SENSOR SENSOR SENSOR HT LT HT LT HT LT HT LT HT LT HOLD HOLD HOLD HOLD...

Страница 18: ...tpoint maximum NOTE NOTE NOTE NOTE NOTE The number of setpoints must be one greater than the number of periods or you will get an error message TABLE 2 TABLE 2 TABLE 2 TABLE 2 TABLE 2 Keypad input Mai...

Страница 19: ...Display Comments PROG STORE FILE FILE FILE FILE FILE ENTER Current bath temperature Once Tables 1 and 2 are complete use Table 6 to run a stored program TABLE 6 TABLE 6 TABLE 6 TABLE 6 TABLE 6 Keypad...

Страница 20: ...LE 11 TABLE 11 Keypad input Main Display Comments PROG STORE YES YES YES YES YES HOLD YES YES YES YES YES HOLD HOLD HOLD HOLD HOLD LED stays on steady PROG STORE FILE FILE FILE FILE FILE ENTER Current...

Страница 21: ...llaneous Additional Parameters Additional Parameters Additional Parameters Additional Parameters Additional Parameters Two parameters can also be set while the controller is deactivated Main display s...

Страница 22: ...thin one second press ENTER The repeats per minute value will flash on the Main display Press ENTER to accept the value To change the value press CLEAR and then enter the desired value Press ENTER to...

Страница 23: ...desired One point calibration offset is used to make the controller very accurate at one specific operating temperature One point Calibration can be performed after a Two point calibration as many ti...

Страница 24: ...by the flashing setpoint Now enter in the actual bath temperature as measured by the calibrated thermometer and press ENTER The Main display will indicate the temperature of the bath fluid the calibra...

Страница 25: ...et and must be adjusted during initial installation To set the safety locate the HIGH TEMP LOW LEVEL SAFETY adjustment dial on the right side of the pump box Turn the dial fully clockwise and press th...

Страница 26: ...of cooling capacity Periodic vacuuming of the condenser is necessary To access the con denser the front grille must be removed The unit must be turned off before the front panel is removed The unit m...

Страница 27: ...rd from the rear of the unit and then remove the four screws two on each side securing the reservoir s cover To get slack on the refrigeration cable remove the cable strap The cable itself does not ne...

Страница 28: ...ty Be sure the cooling capacity of the unit has not been exceeded if circulating to an external system The refrigeration system is designed to automatically turn off at temperatures above 40 C When th...

Страница 29: ...on is enabled or a program is running data entry and many keypad functions are disabled This is normal operation If necessary remove computer cable Turn off the bath using the main power switch on the...

Страница 30: ...nput data with the keypad You can however observe the setpoint and or alarm temperature limits by pressing the appropriate button on the controller Your computer can be used to operate all modes of op...

Страница 31: ...MMANDS TABLE 2 ALARM COMMANDS TABLE 2 ALARM COMMANDS Set High Alarm Limit SHxxx xx CR Same range as setpoint Read High Alarm Limit RH CR Set Low Alarm Limit SLxxx xx CR Same range as setpoint Read Low...

Страница 32: ...R Skip Ahead One Period SJ CR To set the communications data format the controller must be deactivated Main display indicates OFF Press the RS232 button The word Baud will momentarily appear followed...

Страница 33: ...y If needed SR will end the program at any time Here is a four setpoint two loop example SV1 CR Select program number one SY1 25 00 CR First setpoint 25 00 degrees SX1 20 0 CR First period 20 0 minute...

Страница 34: ...SET NUMBER OF PERIODS Ssn CR CR SET NUMBER OF LOOPS SKxxxx CR CR SET HOLD STATUS SZi CR CR END PROGRAM SR CR CR ECHO CONTROL6 SEi CR CR REMOTE SENSOR CONTROL Sri CR CR SUSPEND RESUME PROGRAM SGi CR C...

Страница 35: ...automate your temperature control process The software includes a 3 disk comprehensive operator s manual and a toll free num ber to a trained technical staff NEScom Software allows you to write custo...

Страница 36: ...or maintenance or to any unit that has been operated or maintained in any way contrary to the operating or maintenance instructions specified in Thermo NESLAB s Instruction and Operation Manual This w...

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