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7.2.1 General Information

Communication takes place according to the master/slave principle. In order

to ensure that a request and response are uniquely assigned to one another,

commands can only be sent to the constant temperature equipment once a

response to the previous command has been received.
All available read and write commands as well as the meaning of any error

messages that may occur are presented below. Note the following informa-

tion relating 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 2: 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.

-X.XX

-X.X

-X.

-X

X.XX

X.X

-.XX

-.X

.XX



Error messages are output with the syntax "ERR_X":



ERR = Identification as an error message



X = Error number (whole number without leading zero, maximum of

4 digits)



Space " " and underscore "_" can be used synonymously.



Commands from an external source must always end with CR, CRLF or

LFCR. The response from the constant 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

equipment.

PC / control station

Constant temperature equipment

"OUT_SP_00_30.5"CRLF

"OK"CRLF

Example

Ethernet protocol

V2R4

Interface module LRZ 921

17 / 39

Содержание LRZ 921

Страница 1: ...Interface module LRZ 921 Ethernet USB module Operation manual V2R4 Read this manual prior to performing any task ...

Страница 2: ...ration manual Manufacturer LAUDA DR R WOBSER GMBH CO KG Laudaplatz 1 97922 Lauda Königshofen Germany Telephone 49 0 9343 503 0 E mail info lauda de Internet https www lauda de Q4DA E_13 017 2 en_US 09 18 2023 LAUDA 2021 V2R4 Interface module LRZ 921 2 39 ...

Страница 3: ...oning 14 6 1 Contact assignment of Ethernet interface 14 6 2 Software update 14 7 Operation 15 7 1 Menu structure 16 7 2 Interface functions 16 7 2 1 General Information 17 7 2 2 Read commands 18 7 2 3 Write commands 22 7 2 4 Availability of the interface functions 25 7 2 5 Error messages 27 7 3 Establishing a network connection 28 7 3 1 Configuring network settings 29 7 3 2 Checking the network c...

Страница 4: ...9 Faults 34 9 1 Error 34 9 2 Warning 34 10 Decommissioning 35 11 Disposal 36 12 Technical data 37 13 Index 38 V2R4 Interface module LRZ 921 4 39 ...

Страница 5: ...d 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 operating manual for a list of compatible product lines Operation of t...

Страница 6: ...oned 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 translations This operating manual or parts thereof may not be modified translated or us...

Страница 7: ...ety 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 avoide...

Страница 8: ...e 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 inte...

Страница 9: ...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 36 If you discover any damage on the interfac...

Страница 10: ...er with holes for M3x10 fastening screws 2 Ethernet interface 10 100 Mbit s RJ 45 with 2 LEDs 3 Host USB port USB 2 0 type A intended for future expansion 4 Device USB port USB 2 0 type B intended for future expansion The two LEDs indicate whether the interface is connected and whether data is being transmitted link activity Material damage during repairs The Ethernet USB module is fitted with a m...

Страница 11: ...ies 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 suitab...

Страница 12: ...ake 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 ri...

Страница 13: ...ly 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 ...

Страница 14: ... 10Base T 100Base TX 1 Tx 2 Tx 3 Rx 4 5 6 Rx 7 8 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 the display Warning SW too old Please contact LAUDA Service see Ä Chapter 1 6 Contact LAUDA...

Страница 15: ...more reliable for data transmission than a wireless connection WLAN Excessive network utilization can slow down the exchange of commands considerably Data is exchanged between the constant temperature equipment and an external application via the Ethernet interface in line with the command response principle In other words a new command is usually only issued once the constant temperature equipmen...

Страница 16: ...possible to read out the current operating parameters of constant temperature equip ment and predefine specific settings and process values The interface functions supported by this interface are presented briefly below They are sorted by topic according to the component affected and assigned a unique ID Depending on the technical configuration of your constant temperature equipment the number and...

Страница 17: ...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 X X X XX X XX X Error messages are output with the syntax ERR_X ERR Identification as an error message X Error number whole number without leading zero maximum of 4 digits Space and underscore _ can be used synonymously Commands from an external source must always end with CR CRLF or LFCR The response from ...

Страница 18: ...r limit C IN_SP_04 29 Limitation of outflow temperature TiH lower limit C IN_SP_05 33 Set temperature Tset in Safe Mode safe set point in case of communication interruption C IN_SP_07 Table 4 Pump ID Function Unit Command 6 Outflow pressure pump pressure relative to the atmosphere bar IN_PV_02 12 Flow rate of the pump MID flow controller must be connected l min IN_PV_07 18 Pump power stage IN_SP_0...

Страница 19: ...rol parameter XpF IN_PAR_10 61 Control parameter Prop_E K IN_PAR_15 Table 9 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 external Ethernet 6 external EtherCAT 7 external Pt 2 only for Integral IN_MODE_01 69 Offset source X for set point 0 normal 1 external Pt 2 external analog 3 exter...

Страница 20: ...th character External control value missing STAT Table 12 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_IN_02 92 Current program loop RMP_IN_03 94 Currently running program 0 no program currently running RMP_IN_05 Table 13 Contact input output ID Function Unit Command 96 Co...

Страница 21: ...e 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 level controller solenoid valve must be present VERSION_M_2 121 Solenoid valve shut off valve 1 solenoid v...

Страница 22: ...ror mes sages on page 27 Table 15 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 XX Table 16 Pump...

Страница 23: ...eter 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 56 Control parameter XpF OUT_PAR_10_XX X 60 Control parameter Prop_E K OUT_PAR_15_XXX Table ...

Страница 24: ... 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 22 Status ID Function Unit Command 74 Switch the device on off standby START STOP Table 23 Programmer ID Function Unit Command 76 Select the program for the subsequent commands X 1 5 The default program is 5 when the constant temperat...

Страница 25: ...the constant temperature equipment is equipped accordingly Optional accessories may have to be con nected correctly and ready for operation ID Variocool ECO Proline Proline Kryomat Integral XT 1 ü ü ü ü 2 ü ü ü ü 3 ü ü ü ü 5 ü ü ü ü 6 ü 7 ü ü ü ü 8 ü ü ü ü 9 ü ü ü 15 ü ü ü ü 17 ü ü ü 18 ü ü ü 23 ü ü ü ü 24 ü ü ü ü 25 ü ü ü 26 ü ü ü ü 27 ü ü ü ü 28 ü ü ü ü 29 ü ü ü ü 38 ü ü ü ü 39 ü ü ü ü 40 ü ü ü ...

Страница 26: ...53 ü ü ü ü 54 ü ü ü ü 55 ü ü ü ü 56 ü ü ü ü 57 ü ü ü ü 58 ü ü ü ü 59 ü ü ü ü 60 ü ü ü ü 61 ü ü ü ü 62 ü ü ü ü 63 ü ü ü ü 64 ü ü ü ü 65 ü ü ü ü 66 ü ü ü ü 67 ü ü ü ü 68 ü ü ü ü 69 ü ü ü ü 74 ü ü ü ü 76 ü ü ü ü 77 ü ü ü ü 78 ü ü ü ü 79 ü ü ü ü 80 ü ü ü ü 81 ü ü ü ü 88 ü ü ü ü 90 ü ü ü ü 92 ü ü ü ü V2R4 Interface module LRZ 921 26 39 ...

Страница 27: ...9 ü ü ü ü 110 ü ü ü ü 111 ü ü ü ü 112 ü ü ü ü 114 ü ü ü ü 115 ü ü ü ü 116 ü ü ü ü 117 ü ü ü ü 118 ü 119 ü 121 ü 124 ü 125 ü 127 128 ü ü 129 130 ü ü ü ü 131 ü ü ü ü 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 V2R4 Interface module LRZ 921 27 39 ...

Страница 28: ...nnect the Ethernet interface of the constant temperature equipment to the remote station The following systems can be used as remote stations for example PC switch router or WLAN access point 2 Use the constant temperature equipment menu to configure all the settings that the connected system requires for communication Contact your system administrator for the relevant information and also note th...

Страница 29: ...of the 4 digit IP address and confirm your entry Repeat the process for the Byte 2 Byte 3 and Byte 4 fields Local IP address Enter in the desired IP address for example 120 0 1 12 Connected systems can access the constant tem perature equipment using this IP address see Ä Ping request on page 30 Local mask Enter the associated local mask address for example 255 255 192 0 Gateway Enter the IP addre...

Страница 30: ... to confirm the entry If available the constant temperature equipment responds to the request immediately If the remote station is unavailable check whether the following criteria have been met The constant temperature equipment is connected to the same network as the test system The test address corresponds to the address displayed in the menu of the constant temperature equipment The configured ...

Страница 31: ...om the following address https realterm sourceforge io The following settings are required 1 Start the terminal program on the connected system 2 Open the Port tab 3 Enter the configured IP address and port number of the Ethernet interface into the Port field The IP address and port number must be separated by a colon 4 Send a test command such as the read command TYPE to the constant temperature ...

Страница 32: ...tion a corresponding error message is sent to the connected system A connected system must then initiate the establishment of a new connection The connected PC can be configured to attempt to re establish a lost connection automatically In this case the PC must be con figured to wait a minimum of 15 seconds before each attempt to re establish a connection V2R4 Interface module LRZ 921 32 39 ...

Страница 33: ...ing 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 have...

Страница 34: ...6 1804 Restart the constant temperature equipment If the message persists contact LAUDA Service 1833 Check if the network cable has been connected correctly Is the yellow LED on the Ethernet interface flashing If the DHCP client settings have been configured manually Check the DNS server configuration and make sure that the preset IP address is correct If it has been connected and configured corre...

Страница 35: ...face 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 specif...

Страница 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 place...

Страница 37: ...onsumption A 0 1 Ethernet connection Version 1x RJ45 socket 8 pin USB interface host Version 1x USB 2 0 socket type A intended for future expansion USB interface device Version 1x USB 2 0 socket type B intended for future expansion 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 s...

Страница 38: ...Interface Ethernet 15 Interface functions 16 Availability 25 Read commands 18 Write commands 22 Interface module Decommissioning 35 Installation 11 Maintenance 33 Module box 13 Unpacking 9 IP address 29 L LAN settings manual 29 M Module box 13 Module slot 11 P Personnel qualification overview 8 Ping request 30 Process interface Activation 30 S Safety information General 7 Interface module 8 Servic...

Страница 39: ...W Warning 34 Warranty 6 V2R4 Interface module LRZ 921 39 39 ...

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

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