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23, 23LRR 1-60 - Installation & Operating Manual - 819692-00 Changing the equipment settings For operation, you must define the controller group and baud rate for the conductivity controller on code switch D Fig. 5. The desired controller functions are achieved by connecting the different conductivity electrodes and configuring the URB 60 visual display and operating unit as appropriate. You must set the same baud rate for all bus participants. Code switch D - sliding switch, white…
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26, 26 LRR 1-60 - Installation & Operating Manual - 819692-00 System malfunctions Causes System malfunctions occur if CAN bus components have been incorrectly installed or configured, if the equipment has overheated, if there is interference in the supply network or if electronic components are faulty. Check the installation and configuration before systematic troubleshooting Installation: Check that the installation loc…
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4, 4 LRR 1-60 - Installation & Operating Manual - 819692-00 Content of this Manual Product: Conductivity Controller LRR 1-60 First edition: BAN 819692-00/08-2019cm Applicable documents: Installation & Operating Manual BAN 819699-xx for URB 60 Visual Display and Operating Unit You can find the latest Installation & Operating Manuals on our website: http://www.gestra.com/documents/brochures.html © Copyright All righ…
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28, 28 LRR 1-60 - Installation & Operating Manual - 819692-00 What to do in the event of system malfunctions In the event of malfunctions or faults that cannot be remedied with the aid of this Installation & Operating Manual, please contact our service centre or authorised agent in your country. Taking out of service 1. Switch off the supply voltage and switch off the voltage to the equipment. 2. Check that the equipment is not liv…
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13, 13LRR 1-60 - Installation & Operating Manual - 819692-00 Technical data Supply voltage 24 V DC +/-20 % Power consumption max. 5 VA Current input max. 0.3 A Required external fuse 0.5 A M Input/output Interface for CAN bus to ISO 11898, CANopen, insulated Inputs 1 x analogue input for potentiometer 0 - 1000 W, two-wire connection (indication of valve position) 1 x volt-free input 24 V …
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2, 2 LRR 1-60 - Installation & Operating Manual - 819692-00 Contents Content of this Manual ................................................................................................................................... 4 Scope of delivery/Product package ............................................................................................................... 4 How to use this Manual ..................................…
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19, 19LRR 1-60 - Installation & Operating Manual - 819692-00 Wiring diagram of LRR 1-60 conductivity controller Fig. 6 2716 17 18 19 20 21 22 23 24 25 26 28 29 30 123456789101112131415 24 V DC 4-20 mA + CH CL S 120Ω – M 0,5 A + – + – 24 V DC 0 - 1K Ω – + MIN alarm relay output MIN MAX alarm relay output OPEN Supply voltage On-site fuse M 0.5 A Option CAN bus CH = CAN High CL = CAN Low S = shield MAX Actual value output Indication of valve position (potentiometer 0 - 1000 W) CLOSED Standby input for an externa…
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16, GESTRA LRR 1-60 16 LRR 1-60 - Installation & Operating Manual - 819692-00 Factory settings The conductivity controller is delivered with the following factory default settings: Baud rate: 50 kBit/s (max. cable length 1000 m) Controller group: 1 Code switch setting: Sliding switch, white (1 to 4 = OFF) Configuring the controller group and baud rate, see page 23, Fig. 8. MAX switchpoint: 6000 µS/cm MIN switchpoint: 500 µS/cm Reset hysteresis: MAX limit 3 % of …
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27, 27LRR 1-60 - Installation & Operating Manual - 819692-00 System malfunctions Indication of system malfunctions Indication of malfunctions in the conductivity controller LRR 1-60 (MIN relay configured as MIN alarm) Type of fault/malfunction Relay LED MIN MAX CLOSED OPEN Breakdown in CAN bus communication Electrode failure De-energised De-ener- gised Energised De-ener- gised Red Interruption to power supply De-energised De-ener- gised De-ener- g…
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15, GESTRA LRR 1-60 15LRR 1-60 - Installation & Operating Manual - 819692-00 Fig. 4 Name plate/Identification LRR 1-60 The date of production is printed on the back of the equipment. Equipment designation Supply voltage/ power con- sumption/pro- tection rating Current approval Admissible ambient temperature Manufacturer Wiring diagram Safety note CE marking Disposal information T 55°C (131°F) IP 40 (IP20) 5VA Betriebsanle…
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11, GESTRA LRR 1-60 11LRR 1-60 - Installation & Operating Manual - 819692-00 Basic safety notes There is a risk of electric shock during work on electrical systems. Always switch off the voltage to the equipment before performing work on the terminal strips. Check that the system is not carrying live voltage before commencing work. Faulty equipment jeopardises system safety. If the LRR 1-60 conductivity controller does not behave as described on pages 24 to 26, it …
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20, 20 LRR 1-60 - Installation & Operating Manual - 819692-00 Electrical connection Bus line, cable length and cross-section A shielded, multi-core, twisted-pair control cable, e.g. UNITRONIC ® BUS CAN 2 x 2 x .. mm 2 or RE- 2YCYV-fl 2 x 2 x .. mm 2 must be used as the bus line. Pre-wired control cables (with plug and coupling) are available as accessories in various lengths. The baud rate (transfer rate) is determined by the cable length between the bus terminal devices, and the wire cross-section is determined by the…
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5, 5LRR 1-60 - Installation & Operating Manual - 819692-00 How to use this Manual This Installation & Operating Manual describes the correct use of the LRR 1-60 conductivity controller. It applies to persons who integrate this equipment in control systems, install, bring into service, operate, maintain and dispose of this equipment. Anyone carrying out the above-mentioned activities must have read this Installation & Operating Manual and understood its contents.…
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6, 6 LRR 1-60 - Installation & Operating Manual - 819692-00 Types of warning DANGER Warning of a dangerous situation that results in death or serious injury. WARNING Warning of a dangerous situation that may possibly result in death or serious injury. CAUTION Warning of a situation that may result in minor or moderate injury. ATTENTION Warning of a situation that results in damage to property or the environment.
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21, GESTRA LRR 1-60 21LRR 1-60 - Installation & Operating Manual - 819692-00 Wiring diagram of CAN bus system Important notes on connecting the CAN bus system A dedicated 24 V DC SELV power supply unit that is isolated from connected loads must be used to supply the SPECTOR connect system. Make sure wiring is in line, not in a star! Use a central earth to prevent differences in potential in system parts. Connect the bus line shields to one another all the…
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8, GESTRA LRR 1-60 8 LRR 1-60 - Installation & Operating Manual - 819692-00 Specialist terms/Abbreviations CAN (Controller Area Network) bus Data transmission standard and interface for connecting electronic equipment, sensors and control systems. Data can be sent and received. TRV .. / NRG .. / LRG .. / SRL .. GESTRA equipment and type designations, see page 9. PhotoMOS output PhotoMOS are a special kind of semiconductor relay, which use a light-emitting diode on the input side that is optical…
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18, GESTRA LRR 1-60 18 LRR 1-60 - Installation & Operating Manual - 819692-00 Installing the LRR 1-60 conductivity controller The LRR 1-60 conductivity controller snaps onto a TH 35 support rail in the control cabinet. DANGER There is a risk of electric shock during work on electrical systems. Switch off the voltage to the system before you install the equipment. Check that the system is not carrying live voltage before commencing work. 1. Switch off the voltage to the system, or secure the surroun…
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22, 22 LRR 1-60 - Installation & Operating Manual - 819692-00 Changing the equipment settings DANGER Danger of death from electric shock if live connections on terminal strips are touched. Always switch off the voltage to the equipment before performing work on the terminal strips. Check that the system is not carrying live voltage before commencing work. You can change the baud rate and controller group of the conductivity controller LRR 1-60 at …
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9, 9LRR 1-60 - Installation & Operating Manual - 819692-00 Usage for the intended purpose The LRR 1-60 conductivity controller can be used in conjunction with LRG 16-60, LRG 16-61 and LRG 17- 60 conductivity electrodes as a conductivity controller in pressurised steam and hot-water plants and in condensate and feedwater tanks. The conductivity controller indicates when MAX or MIN conductivity has been reached, opens or closes a continuous blowdown valve and can actuate an intermittent blo…
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29, 29LRR 1-60 - Installation & Operating Manual - 819692-00 EU Declaration of Conformity We hereby declare that the LRR 1-60 conductivity controller conforms to the following European Directives: Directive 2014/35/EU Low Voltage Directive Directive 2014/30/EU EMC Directive Directive 2011/65/EU RoHS Directive Please see our Declaration of Conformity for details on the conformity of our equipment with European Directives. The current Declaration of Conformity can be fo…
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3, 3LRR 1-60 - Installation & Operating Manual - 819692-00 Contents Changing the equipment settings ................................................................................................................ 22 Configuring the controller group and baud rate ........................................................................................ 23 Bringing into service – start, operation and alarm ..................................................................................... 24 The MIN relay is configured as the MIN alarm on the URB…
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7, 7LRR 1-60 - Installation & Operating Manual - 819692-00 Specialist terms/Abbreviations Here, we explain some abbreviations, specialist terms, etc., which are used in this Manual. Blowdown controller A blowdown controller is a conductivity controller with special features for actuating continuous blow- down valves on pressurised steam plants. It can also be used as a conductivity controller in other types of system. Continuous blowdown Continuous or periodic removal of a certain (defined) quantity of boiler w…
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12, 12 LRR 1-60 - Installation & Operating Manual - 819692-00 Function The LRR 1-60 conductivity controller is a 3-point stepping controller. It periodically evaluates the data telegrams from a conductivity electrode (e.g. LRG 16-60, LRG 16-61 or LRG 17-60). The conductivity controller indicates when MAX or MIN conductivity has been reached, opens or closes a continuous blowdown valve and can actuate an intermittent bl…
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25, GESTRA LRR 1-60 25LRR 1-60 - Installation & Operating Manual - 819692-00 Bringing into service – start, operation and alarm The MIN relay is configured for automatic intermittent blowdown on the URB 60. Startup During startup, all the relays of the LRR 1-60 3-point stepping conductivity controller are de-energised and the LED lights up orange. Normal operation During normal operation, when the supply voltage is on and the measured conductivity is within the MIN and MAX switchpoints, the MAX relay of the control…
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10, GESTRA LRR 1-60 10 LRR 1-60 - Installation & Operating Manual - 819692-00 Usage for the intended purpose Applicable directives and standards The LRR 1-60 conductivity controller has been tested and approved for use in the scope governed by the following directives and standards: Directives: Directive 2014/35/EU Low Voltage Directive Directive 2014/30/EU EMC Directive Directive 2011/65/EU RoHS Directive Standards: DIN EN 60730-1 Automatic electrical controls – Part 1: General requirements �…
