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10. Electrical connections

Notice:

Use shielded cables only.
The shield of the connecting cable is electrically connected to the plug housing.

SERIAL

RS232/RS485 serial interface (30)
This port can be used to connect a computer with an RS232 or
RS485 cable for remote control of the programmable
controller.

Pin assignments RS232:

RxD

Receive

Data

TxD

Transmit

Data

Pin 5

0 V

Signal GND

Pin 7

RTS

Request to send

Pin 8

CTS

Clear to send

Pin 1; 4; 6, 9 Reserved - do not use!

Pin assignments: RS485
Pin 3

Pin 5

0 VD

Signal GND

Pin 8

Pins 1, 2, 4, 6, 7, 9

Reserved - do not use!

Interface correspondence: RS232:
Programmable controller

Computer

9-pole plug

9-pole socket

Pin 2 RxD

⇔

Pin 3 TxD

⇔

Pin 2 RxD

Pin 5 GND

⇔

Pin 5 GND

Pin 7 RTS

⇔

Pin 8 CTS

⇔

Pin 7 RTS

Accessories:

Order No.

Description

8 980 073

RS232 interface cable 9-pol./9-pol. , 2,5 m

8 900 110

USB interface adapter cable

Содержание LC6

Страница 1: ...ating Manual Programmable Controller LC6 Printed in Germany Changes without prior notification reserved 1 951 5220 03 11 JULABO Labortechnik GmbH 77960 Seelbach Germany 49 0 7823 51 0 49 0 7823 24 91...

Страница 2: ...ntrol devices for research and industry are developed produced and distributed according to the requirements of ISO 9001 2008 Certificate Registration No 01 100044846 Unpacking and inspecting Unpack t...

Страница 3: ...ents 13 5 Operating procedures 15 5 1 Installation 15 5 2 Connecting a heating device 15 5 3 Connecting the temperature sensors 16 5 4 Controlling an intermittent cooling water supply 16 5 5 Applicati...

Страница 4: ...ubleshooting guide Error messages 40 10 Electrical connections 41 11 Remote control 44 11 1 Setup for remote control 44 11 2 Communication with a PC or a superordinated data system 45 11 3 List of com...

Страница 5: ...imultaneous indication on the MULTI DISPLAY LED The RS232 RS485 port permits modern process engineering without additional interface directly on line from the circulator to your application equipment...

Страница 6: ...ion may affect other devices with components sensitive to magnetic fields e g monitors We recommend maintaining a minimum distance of 1 m Permissible ambient temperature max 40 C min 5 C Permissible r...

Страница 7: ...e label is put on by JULABO Observe the instructions in the manuals for instruments of a different make that you connect to the circulator particularly the respective safety recommendations Also obser...

Страница 8: ...r appropriate conditions and in accordance with appropriate operating instructions for a period of ONE YEAR Extension of the warranty period free of charge With the 1PLUS warranty the user receives a...

Страница 9: ...0 V 0 to 20 mA Temperature recorder outputs Channel 1 2 0 to 10 V Channel 3 0 to 20 mA 4 to 20 mA Stand by input External alarm device 24 to 0 V DC max 25mA Safety sensor SF Pt100 4 lead technique Mea...

Страница 10: ...1 Use only indoor Altitude up to 2000 m normal zero Ambient temperature 5 40 C for storage and transportation Air humidity Max rel humidity 80 for temperatures up to 31 C linear decrease down to 50 r...

Страница 11: ...s is not avoided the product or anything in its surroundings can be damaged 3 2 Explanation of other notes Note Draws attention to something special Important Indicates usage tips and other useful inf...

Страница 12: ...unit and disconnect the mains cable from the power source before performing any service or maintenance procedures or before moving the unit Transport the unit with care Sudden jolts or drops may caus...

Страница 13: ...cation external actual value Heating Cooling Alarm 11 Display of internal external actual value 12 Setp 1 37 00 C ExtAct 37 00 C Power 100 Control intern DIALOG DISPLAY LCD for indication of Line 1 Se...

Страница 14: ...et control cable of JULABO refrigerated circulator or output for alarm messages 33 STAND BY Stand by input for external emergency switch off 34 ALARM Alarm output for external alarm signal 35 Control...

Страница 15: ...rox 60 Watts The ambient temperature must not exceed 35 C Ambient temperatures above 35 C result in a failure of the unit Do not set up the unit in the immediate vicinity of heat sources and do not ex...

Страница 16: ...see page 39 Caution Place both sensors into the bath medium and securely fix the sensors 5 4 Controlling an intermittent cooling water supply The control output 35 is intended for the attachment of a...

Страница 17: ...is accomplished by circulating a coolant such as tap water through a cooling coil immersed in the bath The flow of the coolant is controlled automatically by the solenoid valve 19 Connector SF 19a Saf...

Страница 18: ...and control sensor INT and the safety sensor SF must be connected to the LC6 and immersed in the bath Controlling an open bath with an indirect heating device and external control The bath liquid is...

Страница 19: ...self test All segments of the 5 digit MULTI DISPLAY LED all indicator lights and the DIALOG DISPLAY LCD will illuminate Then the software version example n 1 11 appears The display OFF indicates the u...

Страница 20: ...e programmable controller in remote control mode the personal computer must first resend the parameters set via the interface before the circulator may be restarted 7 2 Setting the temperatures This s...

Страница 21: ...ture limit c Press the key The value previously set appeears on the DIALOG DISPLAY LCD example 305 00 C A flashing segment indicates that a value needs to be entered d Use the keypad to enter the new...

Страница 22: ...iquid reaches the safety temperature a complete shutdown of the controlled heating device is effected The alarm is indicated by optical and audible signals continuous tone On the MULTI DISPLAY LED and...

Страница 23: ...n securely fix the sensor in the external system Switching from internal to external control Press the key in operating state OFF to select the control type The DIALOG DISPLAY LCD indicates the effect...

Страница 24: ...enu functions 24 8 Menu functions Press the MENUE key to enter the menu level Use the up down cursor keys to select the desired submenu and press enter Press escape to return to the previous menu leve...

Страница 25: ...temperature application system the control parameters Xp Tn and Tv will be automatically determined and stored Possible parameters off no identification The control parameters ascertained during the l...

Страница 26: ...prior to carrying out an identification in the OFF state set the control parameters to lower values Recommended setting for internal control Xp 1 0 C Tn 80 s Tv 8 s REG E PROG SERIAL Setpoint The pro...

Страница 27: ...wing the start of the programmable controller directly by pressing the mains power switch or using a timer Possible parameters on AUTOSTART on off AUTOSTART off Warning For supervised or unsupervised...

Страница 28: ...arameters Use the up down cursor keys to select the desired option A flashing segment indicates that a new value needs to be entered Use the numeral keypad to set the value and then set with enter exa...

Страница 29: ...bath is heated to the desired temperature for example 100 C At the end of the program the programmer switches to the operating status and holds the bath temperature stable at 100 00 C Press enter to s...

Страница 30: ...hour min Start time Day Mon day and month Year year Set each entry with enter Start no yes A flashing line indicates that the parameter yes needs to be entered Press the P key to select the parameter...

Страница 31: ...programmer switches to the waiting position while displaying this condition with a blinking LCD display Important To achieve this the Stand by condition must first be activated and the Autostart func...

Страница 32: ...up down cursor keys to select the desired option Then press enter to open A flashing segment indicates that a number or value needs to be entered Edit Compile profiles Display sections Delete Delete s...

Страница 33: ...or target temperature and time period are considered It makes sense to leave out section numbers in the profile in order to use them later for corrections in the profile Important If a time of 00 00 i...

Страница 34: ...nu level Profile 1 Step 0 not defined Step 1 50 00 08 Step 2 not defined Step 3 50 00 02 Step 4 not defined Step 5 100 00 10 Step 6 100 01 05 Step 7 not defined Step 8 not defined Step 9 80 00 10 Step...

Страница 35: ...ve setpoint temperature T1 T2 integr programmer ext programmer ActInt internal actual temperature value bath temperature ActExtexternal actual temperature value external sensor Power periodic or inter...

Страница 36: ...programmable controller can be matched to the output signal of the external programmer Voltage voltage input Current current input Select the desired input value with the P key and set with enter L V...

Страница 37: ...ng enter H Value Setting the HIGH value 1 Adjust and set the highest desired value on the voltage or current source resp Example A 10 V 2 Assign an upper temperature threshold value to this adjusted v...

Страница 38: ...ing digit indicates that a value needs to be entered Band 0 to 200 C HeatingMax 0 to 100 in steps of 1 CoolingMax 0 to 100 in steps of 1 To set the newly entered value press enter To return to the pre...

Страница 39: ...temperature sensors individually or together in a calibration bath at 50 C for example and allow the reading to stabilize 2 Both temperature values are displayed simultaneously on the controller reado...

Страница 40: ...ernal Pt100 sensor EXT not connected Heating circuit interrupted Heating circuit short circuited or interrupted Defective alarm relay 60 30 15 45 4 s Press enter to quit the audible signal After elimi...

Страница 41: ...ceive Data Pin 3 TxD Transmit Data Pin 5 0 V Signal GND Pin 7 RTS Request to send Pin 8 CTS Clear to send Pin 1 4 6 9 Reserved do not use Pin assignments RS485 Pin 3 A Pin 5 0 VD Signal GND Pin 8 B Pi...

Страница 42: ...l of JULABO refrigerated programmable controllers or as output for alarm messages Pin assignment Pin Signal 1 24 V I max current 25 mA 2 0 V 3 Alarm relay 4 Reserved do not use 5 Cooling pulse Circuit...

Страница 43: ...stand by command The stand by function can be used in conjunction with the autostart feature see page 27 1 If the autostart function is not turned on the stand by input should be used as described abo...

Страница 44: ...age 26 The interface parameters are set by selecting the submenu Interface on the programmable controller Normally this is a one time only adjustment Selecting and setting menu items see page 38 Facto...

Страница 45: ...omputer sends a query A transfer sequence consists of address RS485 interface only command space Hex 20 parameter the character separating decimals in a group is the period end of file Hex 0D The comm...

Страница 46: ...e registered by the external Pt100 sensor in_pv_03 none Temperature value registered by the safety sensor in_sp_00 none Working temperature T1 in_sp_01 none Working temperature T2 in_sp_03 none High t...

Страница 47: ...n_par_06 none Xp control parameter of the internal controller in_par_07 none Tn control parameter of the internal controller in_par_08 none Tv control parameter of the internal controller in_par_09 no...

Страница 48: ...100 This adjustment is required only for proportionally controlled refrigerated circulators out_hil_01 xxx Set the desired maximum heating power 10 to 100 out_par_04 xxx Band limiting during external...

Страница 49: ...g 05 WORKING SENSOR ALARM Working temperature sensor short circuited or interrupted 07 I2 C BUS ERROR Internal error when reading or writing the I2 C bus 08 INVALID COMMAND Invalid command 09 COMMAND...

Страница 50: ...ance is not required Clean the outside of the unit using a wet cloth and low surface tension water Repairs Before asking for a service technician or returning a JULABO instrument for repair please con...

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