KROHNE SU 600 Operating Instructions Manual
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KROHNE SU 600 Operating Instructions Manual

Signal conditioning instrument
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Operating Instructions
SU 600
4 ... 20 mA signal conditioning instrument
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ID: 30652

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  • Page 1 Operating Instructions SU 600 4 … 20 mA signal conditioning instrument Document ID: 30652...

  • Page 2: Table Of Contents

    Rectify faults ........................20 Instrument repair ......................21 Dismount Dismounting steps......................22 Disposal ......................... 22 Supplement Technical data ........................ 23 Dimensions ........................25 9.3 Certificate ........................26 Editing status: 2015-01-13 SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 3: About This Document

    This arrow indicates a single action. Sequence of actions Numbers set in front indicate successive steps in a procedure. Battery disposal This symbol indicates special information about the disposal of bat- teries and accumulators. SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 4: For Your Safety

    During work on and with the device the required personal protective equipment must always be worn. Appropriate use SU 600 is a universal signal conditioning instrument and power sup- ply unit for connection of a 4 … 20 mA/HART sensor. You can find detailed information about the area of application in chapter "Product description".

  • Page 5: Safety Label On The Instrument

    That is why we have introduced an environment management system with the goal of continuously improving company environmental pro- tection. The environment management system is certified according to DIN EN ISO 14001. Please help us fulfill this obligation by observing the environmental instructions in this manual: • Chapter "Packaging, transport and storage" • Chapter "Disposal" SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 6: Product Description

    Status indication fail safe relay Status indication operation [+/-] adjustment keys 5 Insertable tag for identification of the measurement loop 6 Function switch LC display Type label The type label contains the most important data for identification and use of the instrument: • Article number • Serial number • Technical data SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 7: Principle Of Operation

    Detailed information about the power supply can be found in chapter "Technical data". Operation The adjustment of SU 600 is carried out via the integrated keys and a 16-step function switch. Packaging, transport and storage Packaging Your instrument was protected by packaging during transport. Its capacity to handle normal loads during transport is assured by a test based on ISO 4180.
  • Page 8 3 Product description • Avoiding mechanical shock and vibration • Storage and transport temperature see chapter "Supplement - Storage and transport temperature Technical data - Ambient conditions" • Relative humidity 20 … 85 % SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 9: Mounting

    Screw mounting 1. Insert the metal strap [1] from above into the housing cut-out. 2. Fasten the instrument directly to the wall with the three screws (max. ø 4 mm). SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 10 Fig. 3: Screw mounting Metal strap Carrier rail mounting 1. Place the adapter plate [1] to the rear of SU 600 (spring of the adapter plate downward) and fasten the plate with screw [2] (M4 x 6). 2. PlaceSU 600 against the carrier rail [3] from below and push the instrument upward until it snaps in.

  • Page 11: Connecting To Power Supply

    If potential equalisation currents are expected, the screen connection on the side of SU 600 must be made via a ceramic capacitor (e. g. 1 nF, 1500 V). The low frequency potential equalisation currents are thus suppressed, but the protective effect against high frequency interference signals remains.

  • Page 12: Connection Procedure

    18 17 16 15 14 13 12 11 10 9 8 7 6 5 N- L1+ Fig. 5: Terminal assignment SU 600 1 Measurement data input, optionally available with sensor power supply Current output Fail safe relay Relay 2 Relay 1 Voltage supply SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 13: Setup With The Integrated Display And Adjustment Unit

    Key functions [Function switch] for selection of: – Adjustment – Relay switching points – Indication scaling – Current output – Integration time – Offset correction – Current input active/passive • [+/-] key: SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 14: Setup Steps

    To clearly denote the measuring unit, the supplied labels can be in- serted in the cover. In case several SU 600 are used, each measure- ment loop should be clearly labelled. Switch-on phase After being switched on, SU 600 first of all carries out a short self- check.
  • Page 15 Two operating relays are integrated inSU 600 for level detection. First of all, determine at which switching points the relays should switch on and off again. Furthermore you have to distinguish between the relay modes overfill and dry run protection. You switch over by exchanging the ON/OFF values of the relay. SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 16 Indication values from -9999 to +9999 are possible. 1. First of all, determine the max. indicating range and the number of decimal places after the decimal point -- max. four decimal places SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 17 With a reset, all values set by the user will be lost and are reset to factory settings. → Interrupt the power supply of SU 600. Push the [+/-] keys simul- taneously and hold them while you switch on the power supply. The display shows "RES" and the default settings will be restored.

  • Page 18: Application Example

    0 - 20 = 0 … 20 mA • 4 - 20 = 4 … 20 mA 2. Save the value by pushing [+/-] simultaneously SU 600 requires for scaling of the indication, the adjustment of the filling quantities for 0 % and 100 %. The vessel must neither be filled nor emptied. Scaled indication at 0 % 1.
  • Page 19 1. The switch positions for setting the respective relays are stated in the list of the function switch under "Setup procedure". Note: If you want to change the mode (i.e. the switching function of the relays), you have to exchange the On and Off values. SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 20: Maintenance And Fault Rectification

    – Carry out a fresh adjustment and small increase the distance between min. and max. adjustment E021 Scaling span too – Carry out a fresh scaling, increase small the distance between min. and max. scaling. SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 21: Instrument Repair

    • Print and fill out one form per instrument • Clean the instrument and pack it damage-proof • Attach the completed form and possibly also a safety data sheet to the instrument SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 22: Dismount

    Materials: see chapter "Technical data" If you have no way to dispose of the old instrument properly, please contact us concerning return and disposal. SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 23: Supplement

    Contact material AG NI 0.15 hard gold-plated Switching voltage min. 10 mV DC, max. 250 V AC/DC Switching current min. 10 µA DC, max. 3 A AC, 1 A DC SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 24 If inductive loads or stronger currents are switched through, the gold plating on the relay contact surface will be permanently damaged. The contact is then no longer suitable for switching low-level signal circuits. SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 25: Dimensions

    Galvanic separation between relay output and digital part Ʋ Reference voltage 250 V Ʋ Voltage resistance of the isolation 4 kV Dimensions 96 mm (3.78") 19 mm 69 mm 2 mm (0.75") (2.72") (0.08") SU 600 • 4 … 20 mA signal conditioning instrument...

  • Page 26: Certificate

    9 Supplement 9.3 Certificate CE declarations of conformity SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 27 9 Supplement Fig. 9: CE declarations of conformity SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 28 9 Supplement Trademark All the brands as well as trade and company names used are property of their lawful proprietor/ originator. SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 29 – active 11 – Passive 11 Installation possibilities 9 Integration time 14, 17 LC display 24 Line break 20 Load 24 Offset correction 15 Overflow protection 15 Point level detection 15 Potential equalisation 11 Recycling 22 SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 30 Notes SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 31 Notes SU 600 • 4 … 20 mA signal conditioning instrument...
  • Page 32 Subject to change without notice 30652-EN-150129...

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