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A 1:1 contacted, 3-wire cable (not a null modem cable) is required for an

RS 232 connection with software handshake. The operating mode 

RS 232

without hardware handshake

 must be set on the PC. Contacts should not be

connected unless they are needed. The following contact assignment applies,

depending on the version of the D-Sub socket on the PC:
Table 1: D-Sub sockets for RS 232 with software handshake

Constant temperature

equipment

PC / control station

Signal

Contact

(9

‑

pin)

Contact

(9

‑

pin)

Contact
(25

‑

pin)

Signal

TxD

2

2

3

RxD

RxD

3

3

2

TxD

GND

5

5

7

GND

A 1:1 contacted, 7-wire cable (not a null modem cable) is required for

an RS 232 connection with hardware handshake. Contacts should not be

connected unless they are needed. The following contact assignment applies,

depending on the version of the D-Sub socket on the PC:

Table 2: D-Sub sockets for RS 232 with hardware handshake

Constant temperature

equipment

PC / control station

Signal

Contact

(9

‑

pin)

Contact

(9

‑

pin)

Contact
(25

‑

pin)

Signal

TxD

2

2

3

RxD

RxD

3

3

2

TxD

DSR

4

4

20

DTR

GND

5

5

7

GND

DTR

6

6

6

DSR

CTS

7

7

4

RTS

RTS

8

8

5

CTS

RS 232 with software handshake

Fig. 7: D-Sub socket contacts, 9 and

25

‑

pin

RS 232 with hardware handshake

V1

Interface module LRZ 913

15 / 39

Summary of Contents for LRZ 913

Page 1: ...Interface module LRZ 913 RS 232 485 module Operation manual V1R63 Read this manual prior to performing any task ...

Page 2: ...turer LAUDA DR R WOBSER GMBH CO KG Laudaplatz 1 97922 Lauda Königshofen Germany Telephone 49 0 9343 503 0 Fax 49 0 9343 503 222 E mail info lauda de Internet https www lauda de Q4DA E_13 012 1 en_US 10 18 2021 LAUDA 2021 V1 Interface module LRZ 913 2 39 ...

Page 3: ...rting up 11 5 1 Installing the interface module 11 5 2 Using the module box 13 6 Commissioning 14 6 1 Contact assignment 14 6 1 1 Contact assignment RS 232 14 6 1 2 Contact assignment RS 485 16 6 2 Software update 16 7 Operation 17 7 1 Menu structure 17 7 2 Interface functions 18 7 2 1 General Information 18 7 2 2 Read commands 19 7 2 3 Write commands 24 7 2 4 Availability of the interface functio...

Page 4: ...10 Decommissioning 35 11 Disposal 36 12 Accessories 37 13 Technical data 38 14 Index 39 V1 Interface module LRZ 913 4 39 ...

Page 5: ...e 24 1 1 Intended use The interface module can only be operated as intended and under the conditions specified in this operating manual The interface module is an accessory that increases the connections options of LAUDA constant temperature equipment It may only be installed in con stant temperature equipment that supports the interface provided Refer to the chapter Compatibility in this operatin...

Page 6: ...t LAUDA Service see Ä Chapter 1 6 Contact LAUDA on page 6 Company and product names mentioned in the operating manual are usually registered trademarks of the respective companies and are therefore subject to brand and patent protection Some of the images used may also show accessories that are not included in the delivery All rights reserved including those relating to technical modifications and...

Page 7: ...fety instructions in this operating manual must be observed without fail There are also certain requirements for personnel see Ä Chapter 2 3 Personnel qualification on page 8 Warning signs Type of danger Warning danger zone Signal word Meaning DANGER This combination of symbol and signal word indicates an imminently dangerous situation that will result in death or serious injury if it is not avoid...

Page 8: ...ve screen on the cables and connec tors complies with EMC regulations LAUDA recommends using pre assembled cables Always lay cables correctly so that they do not pose a tripping hazard Secure the laid cables and make sure that they cannot be damaged during operation Check the condition of the cables and interfaces prior to each opera tion Immediately clean any soiled parts in particular unused int...

Page 9: ...wing installation sequence 1 Remove the interface module from its packaging 2 If you want to store the interface module at the installation location use the outer packaging This packaging is protected against static charging 3 After installing the equipment dispose of the packaging materials in line with environmental regulations see Ä Packaging on page 36 If you discover any damage on the interfa...

Page 10: ...in conjunction with the Command remote control whose RS 232 485 interface can be used independently 4 2 Structure 1 Cover with holes for fastening screws 2 D Sub socket 9 pin The RS 232 485 module is equipped with a serial interface with 9 pin D Sub socket that incorporates a galvanically isolated optocoupler to ensure electrical isolation and greater immunity to interference The module is con nec...

Page 11: ...lies to all LAUDA constant temperature equipment the example diagrams here show the installation of an analog module in constant temperature equip ment from the Variocool product line Please note that an interface module with a small cover can only be installed in a low module slot The fitted cover must cover the opening on the module slot completely You will require two M3 x 10 screws and a suita...

Page 12: ...Make sure that the lug on the plug is aligned with the recess in the socket The interface module is correctly connected to the constant tem perature equipment 6 Slide the LiBus ribbon cable and the interface module into the module slot 7 Secure the cover to the casing using two M3 x 10 screws The new interface on the constant temperature equipment is ready for operation Fig 3 Detaching the LiBus r...

Page 13: ...ply 3 Check which interfaces are already present on the constant tem perature equipment and module box Observe the information on interface module compatibility Only install an interface module with the same type of inter face if operation with several of these interfaces is permitted 4 Install the required interface module in the module box Please read the information on installing the module box...

Page 14: ...ontrol station according to the contact assignments listed below The plugs must always be secured with the integral screw connection Refer to Ä Chapter 12 Accessories on page 37 for accessory information on assembling connection cables 6 1 1 Contact assignment RS 232 Systems connected to RS 232 connections use so called handshake sig nals to transmit status information which enable the receiving s...

Page 15: ...TxD 2 2 3 RxD RxD 3 3 2 TxD GND 5 5 7 GND A 1 1 contacted 7 wire cable not a null modem cable is required for an RS 232 connection with hardware handshake Contacts should not be connected unless they are needed The following contact assignment applies depending on the version of the D Sub socket on the PC Table 2 D Sub sockets for RS 232 with hardware handshake Constant temperature equipment PC co...

Page 16: ...uarantees a defined standby state in the high ohm phases of bus operation This termination network is usually integrated in the insertable PC card RS 485 6 2 Software update Older software installed on constant temperature equipment may have to be updated for the new interface to work 1 Switch on the constant temperature equipment after installing the new interface 2 Check whether a software warni...

Page 17: ...e interface is integrated in the main menu of the relevant constant temperature equipment Menu Modules Serial interface Fig 9 RS 232 485 interface menu Only available for product lines Proline and Integral XT Fig 10 Menu RS 232 485 interface to Master operating unit All operating units except the Master Master operating unit V1 Interface module LRZ 913 17 39 ...

Page 18: ...ing to syntax and sequencing when using these commands Numerical values are provided in fixed point format numbers with up to 4 places in front of the decimal point and up to 2 places after the decimal point are permitted Table 4 Acceptable data formats XXXX XX XXXX X XXXX XXXX XXXX XX XXXX X XXXX XXXX XXX XX XXX X XXX XXX XXX XX XXX X XXX XXX XX XX XX X XX XX XX XX XX X XX XX X XX X X X X X XX X ...

Page 19: ...mple with set point transfer of 30 5 C to the constant temperature equipment In this example the address 15 is used PC control station Constant temperature equipment A015_OUT_SP_00_30 5 CR è ç A015_OK CR Example 7 2 2 Read commands The interface module recognizes the following read commands which you can use to retrieve operating data of the constant temperature equipment Table 5 Temperature ID Fu...

Page 20: ...s bar IN_SP_06 37 Flow rate control set point L min IN_SP_09 71 Status of flow rate control 0 off 1 on IN_MODE_05 154 Outflow pressure of flow controller relative to the atmosphere MID flow controller must be connected bar IN_PV_09 156 Pressure limitation set point with active flow rate control MID flow controller must be connected bar IN_SP_10 157 Overpressure turn off point with active flow rate...

Page 21: ...4 49 Control parameter TnE s IN_PAR_05 51 Control parameter TvE s IN_PAR_06 53 Control parameter TdE s IN_PAR_07 55 Correction limitation K IN_PAR_09 57 Control parameter XpF IN_PAR_10 61 Control parameter Prop_E K IN_PAR_15 Table 12 Control ID Function Unit Command 59 Setpoint offset K IN_PAR_14 67 Control in control variable X 0 internal 1 external Pt 2 external analog 3 external serial 5 extern...

Page 22: ...ormat 1st character Error 2nd character Alarm 3rd character Warning 4th character Overtemperature 5th character Low level 6th character 0 with alarm setting High level 7th character External control value missing STAT Table 15 Programmer ID Function Unit Command 77 Program used as a basis for further commands RMP_IN_04 88 Current segment number RMP_IN_01 90 Number of preset program sequences RMP_I...

Page 23: ...VERSION_V 115 Ethernet interface module interface module must be present VERSION_Y 116 EtherCAT interface module interface module must be present VERSION_Z 117 Contact interface module interface module must be present VERSION_D 118 Solenoid valve for cooling water solenoid valve must be present VERSION_M_0 119 Solenoid valve for automatic filling device solenoid valve must be present VERSION_M_1 1...

Page 24: ... output as a reply e g A015_ERR_6 see Ä Chapter 7 2 5 Error mes sages on page 30 Table 18 Temperature ID Function Unit Command 1 Temperature set point C OUT_SP_00_XXX XX 15 Actual value of external temperature via interface C OUT_PV_05_XXX XX 26 Limitation of outflow temperature TiH upper limit C OUT_SP_04_XXX 28 Limitation of outflow temperature TiH lower limit C OUT_SP_05_XXX 32 Temperature set ...

Page 25: ... Xp OUT_PAR_00_XX X 40 Control parameter Tn 5 180 s 181 Off s OUT_PAR_01_XXX 42 Control parameter Tv s OUT_PAR_02_XXX 44 Control parameter Td s OUT_PAR_03_XX X 46 Control parameter KpE OUT_PAR_04_XX XX 48 Control parameter TnE 0 9000 s 9001 Off s OUT_PAR_05_XXXX 50 Control parameter TvE 5 Off s OUT_PAR_06_XXXX 52 Control parameter TdE s OUT_PAR_07_XXXX X 54 Correction limitation K OUT_PAR_09_XXX X...

Page 26: ...s ID Function Unit Command 62 Keyboard Master equivalent to KEY 0 unlock 1 lock OUT_MODE_00_X 64 Keyboard remote control unit command 0 unlock 1 lock OUT_MODE_03_X Table 25 Status ID Function Unit Command 74 Switch the device on off standby START STOP Table 26 Programmer ID Function Unit Command 76 Select the program for the subsequent commands X 1 5 The default program is 5 when the constant temp...

Page 27: ...d correctly and ready for operation ID Integral IN Variocool PRO ECO Proline Proline Kryomats Integral XT IN XT IN T VC NRTL VC 1 ü ü ü ü ü ü ü ü 2 ü ü ü ü ü ü ü ü 3 ü ü ü ü ü ü ü ü 4 ü ü ü ü ü ü ü ü 5 ü ü ü ü ü ü ü ü 6 ü ü 7 ü ü ü ü ü ü ü ü 8 ü ü ü ü ü ü ü ü 9 ü ü ü ü ü ü ü 11 ü ü ü ü ü ü ü ü 12 ü ü ü 13 ü ü ü ü ü ü ü ü 14 ü ü ü ü ü ü ü ü 15 ü ü ü ü ü ü ü ü 17 ü ü ü ü ü 18 ü ü ü ü ü 23 ü ü ü ü ü ...

Page 28: ...ü ü 42 ü ü ü ü ü ü ü ü 43 ü ü ü ü ü ü ü ü 44 ü ü ü ü ü ü ü ü 45 ü ü ü ü ü ü ü ü 46 ü ü ü ü ü ü ü ü 47 ü ü ü ü ü ü ü ü 48 ü ü ü ü ü ü ü ü 49 ü ü ü ü ü ü ü ü 50 ü ü ü ü ü ü ü ü 51 ü ü ü ü ü ü ü ü 52 ü ü ü ü ü ü ü ü 53 ü ü ü ü ü ü ü ü 54 ü ü ü ü ü ü ü ü 55 ü ü ü ü ü ü ü ü 56 ü ü ü ü ü ü ü ü 57 ü ü ü ü ü ü ü ü 58 ü ü ü ü ü ü ü ü 59 ü ü ü ü ü ü ü ü 60 ü ü ü ü ü ü ü ü 61 ü ü ü ü ü ü ü ü 62 ü ü ü ü ü ü ü...

Page 29: ... ü ü ü ü ü ü ü 75 ü ü ü ü ü ü ü ü 76 ü ü ü ü ü ü ü ü 77 ü ü ü ü ü ü ü ü 78 ü ü ü ü ü ü ü ü 79 ü ü ü ü ü ü ü ü 80 ü ü ü ü ü ü ü ü 81 ü ü ü ü ü ü ü ü 88 ü ü ü ü ü ü ü ü 90 ü ü ü ü ü ü ü ü 92 ü ü ü ü ü ü ü ü 94 ü ü ü ü ü ü ü ü 96 ü ü ü ü ü ü ü ü 98 ü ü ü ü ü ü ü ü 100 ü ü ü ü ü ü ü ü 102 ü ü ü ü ü ü ü ü 104 ü ü ü ü ü ü ü ü 106 ü ü ü ü ü ü ü ü 107 ü ü ü ü ü ü ü ü 108 ü ü ü ü ü ü ü ü 109 ü ü ü ü ü ü ü ...

Page 30: ...6 ü ü ü 127 ü ü ü 128 ü ü ü ü ü ü 129 ü ü ü 130 ü ü ü ü ü ü ü ü 131 ü ü ü ü ü ü ü ü Equipment type as per rating label 7 2 5 Error messages The following is a description of the error messages of the interface modules The string ERR_X or ERR_XX is output after an incorrect command Error Description ERR_2 Incorrect entry for example buffer overflow ERR_3 Wrong command ERR_5 Syntax error in value ER...

Page 31: ...value input is ON ERR_32 TiH TiL ERR_33 External sensor missing ERR_34 Analog value not present ERR_35 Automatically configured ERR_36 Not possible to specify set point programmer is running or has been paused ERR_37 Not possible to start programmer analog set point value input is ON V1 Interface module LRZ 913 31 39 ...

Page 32: ...mmand such as the read command TYPE to the constant temperature equipment If the device type designation for example ECO is received in response the connection has been set up correctly The program development tool LabVIEW from National Instruments https www ni com de de shop labview html can be used to create conven ient personalized control software or automation software for operating constant ...

Page 33: ...ting any cleaning work Water and other fluids should not be allowed to enter the device NOTICE Repairs performed by unauthorized persons Material damage Only specialized personnel are permitted to carry out repairs 1 Use a damp cloth or brush to remove any dust and dirt deposits 2 When using compressed air Always set a low working pressure to prevent mechanical damage to the connections If you hav...

Page 34: ...r messages Code Meaning 501 504 507 508 Interface module hardware faulty Contact the LAUDA department 505 Internal 24 V voltage of the interface module is too low 506 Internal 24 V voltage of the interface module is too high 9 3 Warning The RS 232 485 interface recognizes the following warnings Code Meaning 501 Internal communication overloaded 502 Unexpected reset If the error occurs multiple tim...

Page 35: ...rface module on page 11 Proceed in reverse order to remove 2 Always attach the LiBus connecting cable to the inside of the module slot cover 3 Fit the cover to the vacant module slot to protect the constant temperature equipment against the ingress of dirt 4 Protect the interface module against static charging before placing it in storage The storage location must meet the ambient conditions speci...

Page 36: ... 94 62 EC packaging and packaging waste if disposing of the product in a member state of the EU The device must be properly decommissioned and disposed of at the end of its life cycle 1 Dispose of the device in accordance with the applicable disposal guidelines in your region 2 Comply with Directive 2012 19 EU WEEE Waste of Electrical and Electronic Equipment if disposing of the product takes plac...

Page 37: ...number LiBus module box Extension of constant temperature equipment by up to two interface modules with large cover LCZ 9727 Pin header 9 pin D SUB soldered EQM 042 Connector shell F 9 pin D SUB EQG 020 RS 232 cable shielded 2 m in length EKS 037 RS 232 cable shielded 5 m in length EKS 057 V1 Interface module LRZ 913 37 39 ...

Page 38: ...nectors W x H x D mm 56 x 37 x 82 Weight kg 0 1 Operating voltage V DC 24 Maximum current consumption A 0 1 Connection type D SUB socket 9 pin Ambient conditions Air humidity Maximum relative air humidity 80 at 31 C and up to 40 C 50 with linear decrease Ambient temperature range C 5 40 Temperature range for storage C 5 50 V1 Interface module LRZ 913 38 39 ...

Page 39: ...EW 32 M Module box 13 Module slot 11 P Personnel qualification overview 8 R RS 232 485 Error 34 Fault 34 Warning 34 RS 232 485 Terminal program 32 RS 232 485 interface Contact assignment 14 16 Menu structure 17 RS 232 485 module Accessories 37 Compatibility 5 RS 232 485 module Purpose 10 Structure 10 S Safety information General 7 Interface module 8 Service 6 Software LabVIEW 32 Terminal program 3...

Page 40: ...Manufacturer LAUDA DR R WOBSER GMBH CO KG Laudaplatz 1 97922 Lauda Königshofen Telephone 49 0 9343 503 0 Fax 49 0 9343 503 222 E mail info lauda de Internet https www lauda de ...

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