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Installation, operating and maintenance manual 

UNIGAS 300 

Summary of Contents for UNIGAS 300

Page 1: ...Installation operating and maintenance manual UNIGAS 300...

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Page 3: ...ecked and corrected where applicable This particularly applies where safety aspects must be taken into account Further support can be obtained from the branch or representative responsible for your ar...

Page 4: ...ions 12 3 3 1 Impulse outputs 12 3 3 2 Alarm outputs 12 3 3 3 Battery consumption counter 12 4 Installation 13 4 1 Main components 13 4 2 Connections 15 4 3 Connecting a gas meter with encoder output...

Page 5: ...ts Namur input for gas meters with HF impulse output or encoder output two alarm inputs for normally close contacts two programmable real time impulse outputs two alarm outputs programming using softw...

Page 6: ...ionyl chloride DD cell G8610080000 Test valve type BDA 04 for connecting pressure calibration equipment O31300 Software UNITOOL G6900000 Universal fastening set including mounting material GG6390 Flan...

Page 7: ...ating and maintenance manual UNIGAS 300 DDG6004MHGB 08 2017 Rev A2 Software version from M 1 3 40 and D 2 3 37 5 2 Explosion safety instructions Ex See DDG6800CVML EU Declaration of Conformity and Saf...

Page 8: ...oval metrology MID certificate number 3 MID and conversion functions 3 1 Measurement Instruments Directive MID UNIGAS 300 is MID approved and complies with standard EN12405 1 A2 Calibration relevant d...

Page 9: ...1 HF Cf1 Qf1 Qmin gas meter Cf2 Qf2 Cf9 Qf9 Cf10 Qf10 Qmax gas meter T p p meter T meter Gas meter LF HF Encoder Gasmeter status bits 1 7 NAMUR_short_circuit 1 8 NAMUR_interruption INP1DIV Encoder de...

Page 10: ...ible for conversion CRC error conversion counting will continue in Vc1err conversion takes place in Vb1err with relevant replacement values o pressure measurement fails or is outside range of pmin to...

Page 11: ...es with standard EN12405 1 A2 The corrected volume is counted in counter Vc1 This will be discussed further in chapter 12 If a low frequency impulse or encoder input is used the function of error corr...

Page 12: ...tware version D 2 3 37 the function has been added that allows channel 6 Vm3 of the interval logger to be set for logging of Hs values see also table Gas Composition and Redirection on page 39 When re...

Page 13: ...ith a date time stamp Characteristics 360 items ring memory readable through serial communication Stored items include date time bit number and status register number including the information regardi...

Page 14: ...oupled to a status bit from one of the three status registers At the moment when the status bit is created an impulse of 0 1 s is issued As long as the status bit is active a 0 1 s impulse is issued e...

Page 15: ...l see chapter 3 2 Housing lock Unscrew these two bolts until the bolt heads are roughly level with the UNIGAS 300 front Then open the housing on the right hand side The seal may stick so it may take s...

Page 16: ...sma Sikkema for more information 11 Dot matrix display The display is activated when one of the navigation keys is operated If the navigation keys are not operated for 1 min the display will be switch...

Page 17: ...which means that manipulation of the module connector will not affect the calibration functions 8 Tamper switch UNIGAS 300 detects the opening of the housing and records this event in status register...

Page 18: ...r supply with galvanic separation is strongly recommended Outputs 13 ALARM OUT 2 alarm output 2 14 GND ALARM common earth for ALARM OUT 1 and 2 15 ALARM OUT 1 alarm output 1 16 PULSE OUT 2 impulse out...

Page 19: ...ust be shielded UNIGAS 300 comes with cable glands fitted with EMC shielding to which the shield is to be connected according the step by step mounting instruction below 1 Remove the sheath over 35 mm...

Page 20: ...Software version from M 1 3 40 and D 2 3 37 18 7 Press the cable into the cable gland until the shield is in the cable gland 8 Press the seal into the cable gland and tighten it slightly 9 Tighten th...

Page 21: ...the gas meter or at a different position in the gas installation that meets the following criteria distance to the gas meter not exceeding 1 m position downstream of the turbine gas meters insertion...

Page 22: ...pressure measuring line 2 1 More info Press key UNIGAS 300 Figure 6 Mounting of BDA 04 with special connection adapter Mount a BDA 04 as follows 1 place the BDA 04 1 next to the pressure sensor 2 fast...

Page 23: ...igure 7 Calibration lock and optional housing seal Figure 7 shows the positions for the seals 1 adhesive seal for calibration lock 2 adhesive seal for access to bottom PCB 3 adhesive seal for access t...

Page 24: ...l indicates a partly empty battery Check the value in UNIGAS 300 menu item 10 When the remaining capacity drops below 10 the battery condition indicator will start blinking indicating that the battery...

Page 25: ...M 1 3 40 and D 2 3 37 23 Menu screen Figure 9 Elements of the menu screen 1 selected menu item 2 menu title 3 number of selected menu item 4 indicator that more screens can be displayed if or is actua...

Page 26: ...register An alarm cannot be reset until the cause of that alarm no longer exists 8 2 x Operation status register 2 8 3 x Alarm status register 3 See chapter 10 for more information Remark if there ar...

Page 27: ...ers is represented in a comparable way but pre leading 0 are not shown On the pages that follow the three status registers are explained in more detail The tables successively represent the name with...

Page 28: ...ODER 2 3 6 7 A B E F C 9 Readout values from encoder counter are unusable BCC error or a encoder reading is lower than counter reading Vm1 or Vm2 Vm1 or Vm1 will not be modified NAMUR open circuit 1 3...

Page 29: ...an value Vm1Vm2_warning See chapter 17 for more details Alarm tmax 22 8 9 A B C D E F C B Temperature Alarm tmax Alarm tmin 4 5 6 7 C D E F C A Temperature Alarm tmin Alarm pmax 2 3 6 7 A B E F C 9 Pr...

Page 30: ...s full the oldest loggings will be overwritten Is cancelled as soon as log book is deleted Alarm input 2 2 3 6 7 A B E F C 9 Connected alarm contact open Alarm input 1 1 3 5 7 9 B D F C 8 Connected al...

Page 31: ...or a random temperature below 0 C Span deviation at X C deviation at 0 C X C 0 C Proceed as follows 12 Adjusting Screen 12 x p_offset tcorr_min tcorr_0 tcorr_max for activating value starts blinking...

Page 32: ...ensor tcorr_0 must be set according following table to correct the length of the cable of the temperature sensor Length cable tcorr_0 1 5 m 0 05 C 3 m 0 1 C 5 m 0 17 C 10 m 0 33 C Replacing the intern...

Page 33: ...he replacement pressure sensor in the reverse order When exchanging an external pressure sensor the shield of the pressure sensor cable must be connected with the bush in the cable gland see chapter 4...

Page 34: ...al voltage 3 6 V nominal capacity 35 Ah initial capacity to be entered into UNIGAS 300 21 Ah applicable in Western Europe Observe the procedure below before the battery is replaced Check that the pack...

Page 35: ...performed when the housing is opened 10 Battery Screen 10 1 Status Screen 10 1 1 Status U batt AH used AH new Screen 10 2 Replace Screen 10 2 1 Initial capacity Screen 10 2 1 1 Ah for activating value...

Page 36: ...Installation operating and maintenance manual UNIGAS 300 DDG6004MHGB 08 2017 Rev A2 Software version from M 1 3 40 and D 2 3 37 34 9 Sensor pockets for temperature sensor Available models...

Page 37: ...Password 2b is protected by password 2b Protection level 2c With password 2c it is possible to adjust the gas composition CO2 H2 N2 d and Hs Password 2c is protected by password 2c If no passwords hav...

Page 38: ...alue based upon 5 minutes interval Qb1_nx5 m3 h 3 2 7 1 43 2 2 Flow at base conditions undisturbed value based upon the moving average of n x 5 minutes interval Qb1_inst m3 h 3 2 7 1 43 2 0 Instantane...

Page 39: ...for measuring error correction of gas meter Between Qf3 and Qf4 linear interpolation takes place between Cf3 and Cf4 Qf3 m3 h C 98 6 Qf3 where Qf2 Qf3 Qf4 Cf4 C 98 7 Factor 4 for measuring error corr...

Page 40: ...range within which conversion takes place tmin C 2 3 C 97 8 Minimum temperature of the temperature range within which conversion takes place tmax C 2 3 C 97 9 Maximum temperature of the temperature ra...

Page 41: ...ation lock on factory set o calibration lock off o calibration lock off on condition that the calibration log book is not yet full contents overwriting Z and Zb calculation 1 1 C 93 28 When the calcul...

Page 42: ...aximum value of Qc_nx5 last year Qc_nx5 current year m3 h C 95 56 Maximum value of Qb_nx5 last year Settings for alarm messages and warnings Protection level 1 password 2b Name Unit OBIS code Descript...

Page 43: ...of UNIGAS 300 Ah_used Ah 10 1 1 C 6 1 Battery capacity used by UNIGAS 300 This value will be reset when the battery is replaced through menu item 10 2 Ah_new Ah 10 1 1 C 6 4 Available capacity batter...

Page 44: ...quals 00000000 the device will respond to any device address or to no device address Device_adress_61E C 90 26 Device address on which UNIGAS 300 will respond as a UNIGAS 61 E Presentation display clo...

Page 45: ...larm output 2 C 93 5 Selector switch for relaying a status bit to alarm output 2 If the status is active and persistent an impulse will be sent to the output every 5 min interval at the moment when it...

Page 46: ...Approval MID 002 MID 2004 22 EC by NMi NMi T10132 Measuring interval for pressure and temperature 5 25 s configurable standard 25 s Conversion interval LF every impulse HF every second if impulses are...

Page 47: ...once a day and 15 min display use per month PTZ version typically 15 years without use of encoder input typically 5 years with use of encoder input 25 s measuring interval typically 13 years with use...

Page 48: ...wer necessary 1000 h emergency power supply from D cell in case of power failure Maximum frequency 5 kHz Minimum impulse duration 100 s Error curve correction Linear interpolation on the basis of a ma...

Page 49: ...NX19 modified Gasunie SGERG TM5 1991 method 1 4 AGA 8 gross method 1 Population Complete algorithm implemented in UNIGAS 300 Data storage Loggers interval logger 5 min interval 150 days 43200 5 min re...

Page 50: ...ction Screw terminals Specification of switching voltage and current Suitable for switching voltage of 3 20 V and switching current of 6 uA 50 mA Communication ports Communication port 1 for modem ser...

Page 51: ...m3 h Exceeding of alarm Vc1_60 Corrected unconverted consumption in clock hour configurable between 1 and 10 000 m3 Exceeding of warning Vc1_60 Corrected unconverted consumption in clock hour configur...

Page 52: ...01 Explosion hazard EN IEC 60079 0 Explosive atmospheres Part 0 General requirements 2012 EN IEC 60079 11 Explosive atmospheres Part 11 Equipment Protection by Intrinsic Safety 2012 EN IEC 60079 28 Ex...

Page 53: ...error must be converted into the connected Cf value for each point Cf ____100____ measuring error 100 Where Measuring error listed gas meter measuring error expressed in Example a measuring error of 2...

Page 54: ...erence Vm2 Vm1 If the volume difference exceeds the preset alarm value UNIGAS 300 will carry out the following actions status register 2 12 alarm_volume_difference is activated event is recorded in th...

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Page 56: ...8 2017 Rev A2 Wigersma Sikkema B V PO Box 109 NL 6980 AC Doesburg Leigraafseweg 4 NL 6983 BP Doesburg The Netherlands TEL 31 0 313 47 19 98 FAX 31 0 313 47 32 90 info wigersma sikkema com www wigersma...

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