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ID Function

Unit

Command

102 Contact output 1: 0 = open / 1 = closed

[–]

IN_DO_01

104 Contact output 2: 0 = open / 1 = closed

[–]

IN_DO_02

106 Contact output 3: 0 = open / 1 = closed

[–]

IN_DO_03

Table 17: SW version

ID Function

Unit

Command

108 Control system

[–]

VERSION_R

109 Protection system

[–]

VERSION_S

110 Remote control (Command)

(remote control unit must be present)

[–]

VERSION_B

111 Cooling system

(only for devices with active cooling)

[–]

VERSION_T

112 Analog interface module

(interface module must be present)

[–]

VERSION_A

113 Flow controller

(flow controller must be present)

[–]

VERSION_A_1

114 RS 232/485 interface module or Profibus / Profinet

(interface module must be present)

[–]

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

120 Solenoid valve for constant level device

(Solenoid valve must be present)

[–]

VERSION_M_2

121 Solenoid valve, shut off valve 1

(Solenoid valve must be present)

[–]

VERSION_M_3

122 Solenoid valve, shut off valve 2

(Solenoid valve must be present)

[–]

VERSION_M_4

124 Pump 1

[–]

VERSION_P_0

125 Pump 2

[–]

VERSION_P_1

126 Heating system 1

[–]

VERSION_H_0

127 Heating system 2

[–]

VERSION_H_1

V1

Interface module LRZ 926

25 / 43

Summary of Contents for LRZ 926

Page 1: ...Interface module LRZ 926 RS 232 485 Advanced module Operation manual V1R13 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_13 021 1 en_US 05 09 2022 LAUDA 2022 V1 Interface module LRZ 926 2 43 ...

Page 3: ...Installing the interface module 12 5 2 Using the module box 14 6 Commissioning 15 6 1 Contact assignment 15 6 1 1 Contact assignment RS 232 15 6 1 2 Contact assignment RS 485 17 6 2 Software update 17 7 Operation 18 7 1 Menu structure 18 7 2 Interface functions 18 7 2 1 General Information 18 7 2 2 Operating rights 20 7 2 3 Communication monitoring 20 7 2 4 Read commands 21 7 2 5 Write commands 26...

Page 4: ...9 2 Error 36 9 3 Warning 37 10 Decommissioning 38 11 Disposal 39 12 Accessories 40 13 Technical data 41 14 Index 42 V1 Interface module LRZ 926 4 43 ...

Page 5: ...escribed in the chapters Write commands and Read commands 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 provide...

Page 6: ...ranty conditions LAUDA grants a standard warranty of one year 1 5 Copyright This operating manual was written in German checked and approved If the content of other language editions deviates from the German edition the information in the German edition shall take precedence If you notice any discrepancies in the content please contact LAUDA Service see Ä Chapter 1 6 Contact LAUDA on page 7 Compan...

Page 7: ...hooting Technical questions Ordering accessories and spare parts Please contact our sales department for questions relating to your specific application Contact information LAUDA Service Phone 49 0 9343 503 350 Fax 49 0 9343 503 283 Email service lauda de V1 Interface module LRZ 926 7 43 ...

Page 8: ...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 9 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 9: ...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 10: ...ing 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 39 If you discover any damage on the interfac...

Page 11: ...ol station 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 nected to a PC or control station via a 1 1 contacted cable see Ä Chapter 6 1 1 Contact assi...

Page 12: ...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 13: ...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 14: ...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 15: ...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 40 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 16: ...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 17: ...ined 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 warning appears on t...

Page 18: ...omponent affected and assigned a unique ID Depending on the technical configuration of your constant temperature equipment the number and scope of the interface functions actually available may vary from the list shown here see chapter Availability of the interface functions 7 2 1 General Information Communication takes place according to the master slave principle In order to ensure that a reques...

Page 19: ...t temperature equipment always ends with CRLF Meaning of the abbreviations CR Carriage Return Hex 0D LF Line Feed Hex 0A In order to ensure that a request and response are uniquely assigned to one another commands can only be sent to the constant tem perature equipment once a response to the previous command has been received Example with set point transfer of 30 5 C to the constant temperature eq...

Page 20: ...ive operating rights for the interface The timeout setting must be greater than 0 seconds When the timeout is set to a value greater than 0 Ä Chapter 7 2 3 Communication monitoring on page 20 communication monitoring is activated If the status of exclusive operating rights changes again the timeout value for communication monitoring must be reset to 0 Monitoring is deactivated as a result Subseque...

Page 21: ...e device menu 7 2 4 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 Function Unit resolu tion Command 2 Temperature set point C IN_SP_00 3 Bath temperature outflow temperature C 0 01 C IN_PV_00 4 Bath temperature outflow temperature C 0 001 C IN_PV_10 5 Controlled tem...

Page 22: ...re of flow controller relative to the atmosphere MID flow controller must be connected bar IN_PV_09 156 Pressure limitation set point with active through flow control MID flow controller must be connected bar IN_SP_10 157 Overpressure turn off point with active through flow control MID flow controller must be connected bar IN_SP_11 160 Valve position of the flow controller MID flow controller must...

Page 23: ...PAR_04 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 Set point offset K IN_PAR_14 67 Control in control variable X 0 internal 1 external Pt 2 external analog 3 external serial 5 ...

Page 24: ...er format 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 161 Serial number SERIAL_NO 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 o...

Page 25: ...ule must be present 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 p...

Page 26: ...hapter 7 2 7 Error mes sages on page 32 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 point Tset in Safe Mode C OUT_SP_07_XXX X...

Page 27: ...l parameter 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_P...

Page 28: ...rd 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 temperature equipment is switched on Caution Ex...

Page 29: ...ature equipment is equipped accordingly Optional accessories may have to be con nected correctly and ready for operation ID Integral IN Variocool PRO IN XT IN T VC NRTL VC 1 ü ü ü ü ü 2 ü ü ü ü ü 3 ü ü ü ü ü 4 ü ü ü ü ü 5 ü ü ü ü ü 6 ü 7 ü ü ü ü ü 8 ü ü ü ü ü 9 ü ü ü ü ü 11 ü ü ü ü ü 12 ü ü ü 13 ü ü ü ü ü 14 ü ü ü ü ü 15 ü ü ü ü ü 17 ü ü 18 ü ü 23 ü ü ü ü ü 24 ü ü ü ü ü 25 ü ü ü ü ü 26 ü ü ü ü ü 2...

Page 30: ...ü ü ü 41 ü ü ü ü ü 42 ü ü ü ü ü 43 ü ü ü ü ü 44 ü ü ü ü ü 45 ü ü ü ü ü 46 ü ü ü ü ü 47 ü ü ü ü ü 48 ü ü ü ü ü 49 ü ü ü ü ü 50 ü ü ü ü ü 51 ü ü ü ü ü 52 ü ü ü ü ü 53 ü ü ü ü ü 54 ü ü ü ü ü 55 ü ü ü ü ü 56 ü ü ü ü ü 57 ü ü ü ü ü 58 ü ü ü ü ü 59 ü ü ü ü ü 60 ü ü ü ü ü 61 ü ü ü ü ü 62 ü ü ü ü ü Equipment type as per rating label V1 Interface module LRZ 926 30 43 ...

Page 31: ... ü ü ü 73 ü ü ü ü 74 ü ü ü ü ü 75 ü ü ü ü ü 76 ü ü ü ü ü 77 ü ü ü ü ü 78 ü ü ü ü ü 79 ü ü ü ü ü 80 ü ü ü ü ü 81 ü ü ü ü ü 88 ü ü ü ü ü 90 ü ü ü ü ü 92 ü ü ü ü ü 94 ü ü ü ü ü 96 ü ü ü ü ü 98 ü ü ü ü ü 100 ü ü ü ü ü 102 ü ü ü ü ü 104 ü ü ü ü ü 106 ü ü ü ü ü 107 ü ü ü ü ü 108 ü ü ü ü ü 109 ü ü ü ü ü Equipment type as per rating label V1 Interface module LRZ 926 31 43 ...

Page 32: ...1 122 124 ü 125 ü 126 ü ü ü 127 ü ü ü 128 ü ü ü ü ü 129 ü ü ü 130 ü ü ü ü ü 131 ü ü ü ü ü 154 ü ü 155 ü ü 156 ü ü 157 ü ü 158 ü ü ü 160 161 ü ü ü ü ü Equipment type as per rating label 7 2 7 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 V1 Interface module LRZ 926 32 43 ...

Page 33: ...atically 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 ERR_38 The operator does not have the privileges to execute the command Another control section has exclusive operating rights which means that writing via this interface is not per mitted ERR_39 Operation is not permitted ...

Page 34: ...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 35: ...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 36: ...RS 232 485 alarm messages Code Meaning 11 Triggers when the command with ID 15 actual value external temperature has not been received for several seconds while the system is regulating to the external serial control variable 22 Disconnection detected There was no communication for a period longer than the preset timeout 9 2 Error The RS 232 485 interface recognizes the following error messages Ta...

Page 37: ...ice if the warning occurs multiple times 503 Disconnection detected There was no communication for a period longer than the preset timeout Valid for the Variocool and PRO product lines 508 Bus system faulty Contact LAUDA Service if the warning occurs multiple times 509 Unknown module connected 510 532 Software for specified component outdated Contact the LAUDA department V1 Interface module LRZ 92...

Page 38: ...rface module on page 12 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 39: ... 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 40: ...cessories Item Catalog number LiBus module box extension of constant temperature equipment by up to two interface modules with large cover LCZ 9727 D Sub 9 socket complete EKS 210 RS 232 cable shielded 2 m in length EKS 037 RS 232 cable shielded 5 m in length EKS 057 V1 Interface module LRZ 926 40 43 ...

Page 41: ...n 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 Storage temperature range C 5 50 V1 Interface module LRZ 926 41 43 ...

Page 42: ...tion 12 Maintenance 35 Module box 14 Unpacking 10 L LabVIEW 34 M Menu structure 18 Module Compatibility 6 Module box 14 Module slot 12 Monitoring 20 21 O Operating rights 20 P Personnel qualification overview 9 Purpose 11 R Read commands 21 RS 232 485 Terminal program 34 RS 232 485 interface Contact assignment 15 17 RS 232 485 module Structure 11 S Safety information General 8 Interface module 9 S...

Page 43: ...W Warning 37 Warranty 6 V1 Interface module LRZ 926 43 43 ...

Page 44: ...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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