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Contrec 214D, Manual, Page: 26 / 42

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Contrec 214D Manual Download Page 26

Flowmeter Input

22

4.  Coils

Note:  If the input has a very high impedance,
the following link settings should be used:

5.  Namur Proximity Switch

Link Settings

Link 1

Link 2

Link 3

COIL 

PULSE

DB 

DBH

NPS

825R input impedance

eg. Millivolt signal from paddlewheel
or turbine (15mV P-P minimum).

Link Settings

Link 1

Link 2

Link 3

COIL 

PULSE

DBL 

DBH

NPS

Link Settings

Link 1

Link 2

Link 3

COIL 

PULSE

DBL 

DBH

NPS

825R input impedance

For IS connections of Namur switches
see Section 8.

Summary of Contents for 214D

Page 1: ...214D M V7 FIELD MOUNTED BATCH CONTROLLER MODEL 214D May 2019...

Page 2: ......

Page 3: ...3 2 Test Mode 10 3 3 Batch Operations 11 3 3 1 Control Outputs 11 3 3 2 Signal Timeout 12 4 Programming 13 4 1 Program Steps 14 4 2 Example 15 5 Valve Control and DC Power 16 6 Battery Backup Version...

Page 4: ...unting 29 9 2 Panel Mount Version 30 9 3 Removing the Front Panel 31 9 4 The Main Electronics 33 9 5 Grounding 33 9 6 Wiring 34 9 7 Maintenance 34 9 9 Dimensions 35 9 10 Terminal Designations 36 9 Ins...

Page 5: ...s on the input board enable the circuit to be configured for millivolt signals reed switches Namur proximity switches and most other signal types The instrument is housed in an attractive polycarbonat...

Page 6: ...tandards EN61326 2013 Electrical equipment for measurement control and laboratory use EMC requirements Residential Commercial Light Industry Environment Industrial Environment EN61010 2010 Safety requ...

Page 7: ...tch Controller 214Di 0 Standard solid state relay outputs Type of Mounting 0 No cable entry holes 1 Panel mount 2 Wall mount with cable glands 6 2 galvanised pipe bracket Enclosure Type A Aluminium Ap...

Page 8: ...Gb Ambient Temperature Maximum ambient temperature of 20 to 60 C CSA US C Approval LR 104 840 5 Type Class 1 Groups C and D When installing in hazardous areas the instrument must be installed accordin...

Page 9: ...and 0mH Flowmeter Input Entity parameters on the flowmeter enable connection to a wide range of approved sensors Input parameters are Ui 24V Ii 20mA Pi 320mW The internal capacitance and inductance se...

Page 10: ...Decimal point position is fully programmable for the total and preset Frequency Range 0Hz to 10kHz Signal Type Link settable for sinewave 15mV P P minimum open collector reed switch pulse or Namur pro...

Page 11: ...ounting bracket supplied as standard Pipe Mounting A galvanised metal bracket is available which enables the Model 214Di to be attached to a 2 vertical or horizontal pipe Turbine Meter Adaptor An opti...

Page 12: ...he front of the instrument provide an easy and straight forward method to set up batches and control operations The three keys each have dual functions as described below Front Panel Keys SETTING THE...

Page 13: ...if the batch limit is programmed as zero Once programmed the Preset quantity will be retained in memory and will not alter until changed by the user The Preset quantity can only be set while the instr...

Page 14: ...in the following order the STOP key and then the ACCUM TOTAL key Note the test mode cannot be entered while the instrument is in program mode or preset mode The tests are as follows Relay 1 Test By p...

Page 15: ...eration is shown above A time delay between the Start and the time when Output 2 switches on can be programmed to provide a soft startup The delay can range from 0 no delay to 9 seconds A Prestop quan...

Page 16: ...ignal Timeout The Signal Timeout period defines a time interval which is used to detect if the low has stopped If there is no signal input for a time greater than the Signal Timeout period the flow is...

Page 17: ...the Calibration mode The CAL number is displayed on the lower display and the parameter is displayed on the upper display Any batch in progress when the Program mode is entered is stopped and cannot b...

Page 18: ...n seconds 0 9 sec when Output 2 will switch on once the RUN key is pressed Prestop Quantity The quantity at which Output 2 will switch off before the end of the batch Eg If the Preset quantity is 100...

Page 19: ...will be used and the flow will be slow prior to the end of the batch to enable a more accurate cutoff It has also been decided to reduce the flowrate 10 litres prior to the end of the batch The instru...

Page 20: ...ies are not capable of powering the solenoids or sensors if they require external power see section 6 for further description of operation with battery backup Solid state relay outputs provide control...

Page 21: ...Valve Control and DC Power 17 Valve Control 1 Valve Control 2 4 3 6 5 Opto Isolated Outputs 2 1 Relays with DC Coils Power Relay 1 Relay 2 214D...

Page 22: ...e must be taken to replace only one pack at a time so that there is always power connected to the memory Failure to do this may result in loss of totals and preset value Note that only Contrec supplie...

Page 23: ...n collector outputs Reed switches Logic signals Two wire proximity switches The following pages give examples of interconnection to various signal outputs A circuit diagram of the input is also provid...

Page 24: ...ut 20 pull up 0 uA PULSE link link 1 not installed pull up 15 uA PULSE link no external power pull up 150 uA PULSE link external power Simplified Frequency Input Circuit Ipull up INPUT COMPARATOR 3 3V...

Page 25: ...with contact bounce link DBH can be switched on by linking across the two right pins above DBH This will eliminate the effect of switch bounce while limiting the input frequency to 200Hz Link Setting...

Page 26: ...tch Link Settings Link 1 Link 2 Link 3 COIL PULSE DB DBH NPS 825R input impedance eg Millivolt signal from paddlewheel or turbine 15mV P P minimum Link Settings Link 1 Link 2 Link 3 COIL PULSE DBL DBH...

Page 27: ...Flowmeter Input 23 6 Namur Proximity Switch External DC Power Link Settings Link 1 Link 2 Link 3 COIL PULSE DBL DBH NPS 825R input impedance For IS connections of Namur switches see Section 8...

Page 28: ...or other certified IS sensor which produce a pulse input provided they do not exceed the following input parameters Ui 24V Ii 20mA Pi 320mW The maximum allowed capacitance and inductance of the pulse...

Page 29: ...imple apparatus as defined in the CENELEC standards EN60079 can be connected to the Model 214Di without certification 8 3 NAMUR PROXIMITY SWITCHES Connection to certified Namur proximity switches is p...

Page 30: ...A HAZARDOUS AREA Input Namur Proximity Detector IS Certified Link Settings Link 1 Link 2 Link 3 COIL PULSE DBL DBH NPS I 8 7 IS CERTIFIED BARRIER Uo 24 V maximum Io 20 mA maximum Po 320 mW maximum L R...

Page 31: ...Note that the two relay outputs must be kept as independent IS circuits and each protected with their own barrier It is not permissible to connect these circuits via a common barrier Solenoid Only ce...

Page 32: ...sic Safety Connections 28 MODEL 214Di SAFE AREA HAZARDOUS AREA IS Certified Device such as an Alarm Lamp or IS Solenoid 4 or 6 3 or 5 IS CERTIFIED BARRIER Uo 28 V maximum Io 93 mA maximum Po 653 mW ma...

Page 33: ...supplied with each instrument Round head screws should be used to attach the bracket to the wall countersunk screws should not be used The bracket is mounted first with the tray section at the bottom...

Page 34: ...el mount brackets and plug in terminals which are accessible from the rear of the instrument A diagram of the rear panel is shown below Rear View of 214D Panel Mount Case The cutout for the panel moun...

Page 35: ...e the dark plastic strip by levering a screwdriver under one end 2 Undo the screws retaining the front Do not remove the screws they are retained by O rings 3 Remove the front panel from the housing T...

Page 36: ...The screws are not retained so removed them completely 3 Remove the front panel from the housing To replace the front cover follow the above procedure in reverse Ensure that the front panel is aligned...

Page 37: ...ted for optimum contrast Adjacent to this control is a RESET switch which can be used to reset the microprocessor Note that pressing this button will set the totals to zero and set the preset value to...

Page 38: ...mpt should be made to repair the board as the intrinsically safe functionality may be impaired All batteries for use in hazardous areas must be supplied by Contrec No substitute batteries are permitte...

Page 39: ...Installation 35 9 9 INSTRUMENT DIMENSIONS 9 9 1 Aluminium Enclosure 9 9 2 Plastic Enclosure 161mm 106mm 98mm 43mm 47mm 151 5mm...

Page 40: ...36 Installation 9 10 TERMINAL DESIGNATIONS All versions 8 Pulse Coil Input 7 Pulse Coil Input 6 Output 2 5 Output 2 4 Output 1 3 Output 1 2 DC Power 9 to 28V 1 DC Power 0V...

Page 41: ...h other house hold waste you are preserving natural resources and reducing waste sent to landfill and incinerators Remove batteries and dispose of separately see Disposal of Batteries before disposal...

Page 42: ...sic Safety 4 24 Isolation 6 Instrument Disposal 37 K K factor 6 L Link Settings 21 Low Battery 18 M Model Number 3 Mounting 4 3 7 N Namur Proximity 23 25 O Open Collector 21 Operation 8 P Panel Mount...

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