User`s Manual - Istec International
Contents
1. 20 4 mAmp the button OFFSET will increase to 100 and therefore actually decrease the loop current Figure 14 IST 201 A01 IST 202 A01 Hot Cut Over Tool Manual offset IST 202 A01 MAN REV 1 1 05 05 2014 Page 16 of 20 After the re installation of the wiring you will notice that the display value drops back to 0 You can remove the wiring from the Tool and the loop is functioning again on the actual value Any residual current indicates a off set between the new control loop and the current settings of the Hot Cut Over Tool Before disconnecting the Hot Cut Over Tool this residual current must be tuned to Zero Otherwise there is a risk that the transfer will not be bump less 12 Figure 15 IST 201 A01 Hot Cut Over Tool Display before connecting wiring E Figure 16 IST 201 A01 IST 202 A01 Hot Cut Over Tool Display after connecting wiring with DCS offset IST 202 A01 MAN REV 1 1 05 05 2014 Page 17 of 20 Figure 17 IST 201 A01 IST 202 A01 Hot Cut Over Tool Display after connecting wiring and adjusting DCS offset When the current on the display indicates 0 mAmp the Hot Cut Over tool may be disconnected IST 202 A01 MAN REV 1 1 05 05 2014 Page 18 of 20 3 4 Battery Charger Always make sure that the battery capacity is sufficient for the required duration of the loop take over Make sure to take any possible drawback of the duration of the loop take over into account When the volta2. input V e Status LED battery Low e LCD display IST 202 A01 MAN REV 1 1 05 05 2014 Page 9 of 20 3 2 Top Panel Figure 4 IST 201 A01 IST 202 A01 Hot Cut Over Tool Top View The top panel consists of Two output connectors Red black On off switch Power input socket Product label containing product number serial number charger make and model CE label IST 202 A01 MAN REV 1 1 05 05 2014 Page 10 of 20 3 3 Setting up To operate the unit either the batteries need to be charged or the unit needs to be connected to the power adapter Note Make and model of the battery charger are registered on the label on top of the IST 20X unit Note The unit needs to be switched off when connecting the intelligent charger Only after the charger status changed to green the unit can be operated while connected to the charger 3 3 1 Connection Connect the unit to the device to be tested control unit terminal strip control valve rc 12 mA 12 mA A 50 output intern 100 Ohm voltage 1 2 volt Qf A al control unit terminal strip control valve W 12 mA 12 mA Ea Ly 50 out S lt internal 10 Ohm voltage 1 2 volt e rr ree voltage across strip mA valve 100 He g 12 mA valve 500 20 mA valve 600 a 12 volt MAX 0 mA 1 Sample 2 loop thie over control unit terminal strip valve r 12 mA S D A i oai Tobol Ohm e voltage 1 2 volt 12 mA HC
3. 3 204 Email mail istec nl E mail mail istec nl IST 202 A01 MAN REV 1 1 05 05 2014 Page 20 of 20 5 DECLARATION OF CONFORMITY Declaration of Conformity Istec International B WV Weer er Don 2165 HA Lisse Declare wider aur sole responsibility that the product range ISTCAL 201L AXX XXX ISTCAL 202 AXX XXX Hot Cut Over Tool Note AXX 2 midicates all models which are covered by any mimber variation of the X s Towlhichths declaraton relates 1s m conformity with the follow ing standard s E N 55022 EN 61000 42 EN VE0140 E Ne 1000 44 ENVE0141 Folowme provision of the Electromagnetic Compatibility 84 FWE EC Directre Lisse Netherlands 21 September M1 8 D Vers huen Managing Director Declaration of C ontomuty b TOAL 202 ASx S AE Al September 2011 Created on 21 2 2015 12 05 Fage l of 1 Istec Internatonal B V Meeren Duim amp 2165 HA Lisse Netherlands
4. 5 05 2014 Page 3 of 20 1 INTRODUCTION 1 1 Purpose This Hot Cut Over Tool designed by Istec International B V allows the live take over of a 0 20 or a 4 20 mAmp loop under process conditions without that e g the power of a control valve is influenced Readout may be 0 20 20 0 4 20 20 4 0 100 100 0 Following models are available e 1 channel portable IST 201 Type A01 Battery operated e 1 channel portable IST 202 Type A01 Battery operated HOT CUT OVER TOOL IST 201 ITAL LAMPLE AND HOLD LOOP TAKE OVER inv J DEVICE CONNECTED OK GREEN O OFFSET RED MAX 25 OFFSET OVERLOAD v BATTERY LOW LOOP TAKE OVER 0 12 Vot O 20mA load 600 i2 Figure 1 IST 201 A01 IST 202 A01 Hot Cut Over Tool IST 202 A01 MAN REV 1 1 05 05 2014 Page 4 of 20 1 2 Warnings 1 2 1 Warning symbols The WARNING safety symbol THIS INTRODUCES DIRECTIVES PROCEDURES OR PRECAUTIONARY MEASURES WHICH MUST BE EXECUTED OR FOLLOWED FAILURE TO OBEY A WARNING CAN RESULT IN INJURY TO THE OPERATOR OR THIRD PARTIES The CAUTION safety symbol This draws the operator s attention to information directives or procedures which must be executed or followed Failure to obey a caution can result in damage to equipment The ELECTROSTATIC SENSITIVE DEVICE symbol This indicates that the device or system being handled can be damaged by electrostatic discharges THE IST 201 AND 202 ARE DESIGNED TO TAKE OVER ACTI
5. IST 202 A01 MAN REV 1 1 05 05 2014 Page 1 of 20 User Manual IST 201 IST 202 Hot Cut Over Tool 0 12VoH 0O 20mA load 600 1 This manual is applicable for all calibrators with model number IST201 A01 001 and IST202 A01 001 Publication Number IST 202 A01 MAN rev 1 1 Edition 05 05 2014 Copyright Istec International B V Netherlands IST 202 A01 MAN REV 1 1 05 05 2014 Page 2 of 20 Index T INTRODUCTION ees insta cette base NE EE E EE E 3 1 1 PUO E E E EA E E AA E E E E E A E E 3 1 2 ALEAT e E E PE A E E P AOE E E E E 4 Le WN GIMME SY NOON ar E E E O OEO 4 1 2 2 Specilic Warning S ecsriseiseinn eier AE NEETA E eentuaaneenaiaes 4 1 3 WV N eaa A E E E E A E E 5 2 QUCKOPERATION cerere ane E 6 2 1 PEC ONS a E ET E 7 2 2 Mod OG 5st ae eset E E E E aera E E E TO 7 3 OPERATION raren A E E A E EST E 8 3 1 FeO TE EEA ON E EIE E E T ev erty ae eee aa neta do S E E A A Mneenteasceceues 8 3 2 TOP PNO earr E A EE A OA AEA EE 9 3 3 UE WD a E A EAA E E E E TEN A A EO E A AEA 10 so CONE CUON oeira E E E E E E E TEE AE 10 Bese AUOD IKE OVET erenn E 11 3 4 BCS CN E r E E A E E EN 18 4 TECHNICAL SUPPORT AND REPAIRS ccccccsssecceccsecceceesecceceesccecsesecceseugceeseueeeessugaeeessenes 19 4 1 TS GPC NS I ONG alee cred wdc iecs ces tocar E E a S 19 4 2 EOIN S seen E peer pcs ae tenn EA E E EE P E E EE E A 19 5 DECLARATION OF CONFORMITY recsiiecnisteiestasieereoiin eia enaisi einas iiie eae 20 IST 202 A01 MAN REV 1 1 0
6. OT Loop take over Figure 5 IST 201 A01 IST 202 A01 Hot Cut Over Tool Connection diagram IST 202 A01 MAN REV 1 1 05 05 2014 Page 11 of 20 3 3 2 Auto loop take over 1 The device is equipped with 4 turning switches At first you press the on off switch POWER OFF ON _ os Figure 6 IST 201 A01 IST 202 A01 Hot Cut Over Tool Power On Off 2 Pushbutton Battery offers you the possibility to check the load of the NiMH battery Figure 7 IST 201 A01 IST 202 A01 Hot Cut Over Tool Battery load 3 After the check and sufficient load continue to the next step 4 Now you can connect the connector clamps of the device to the clamps or terminal strip of the desired device IST 202 A01 MAN REV 1 1 05 05 2014 Page 12 of 20 Figure 8 IST 201 A01 IST 202 A01 Hot Cut Over Tool Connections 5 The 2nd LED named device connected ok is Red in case the polarity of the connected wires is wrong and needs to be changed The LED will turn Green in case the right polarity is connected and the created voltage is higher than 0 Volts by the loops resistance Figure 9 IST 201 A01 IST 202 A01 Hot Cut Over Tool Display and Status LED s IST 202 A01 MAN REV 1 1 05 05 2014 Page 13 of 20 6 Change switch from the OFF position to the sample position Figure 10 IST 201 A01 IST 202 A01 Hot Cut Over Tool OFF SAMPLE switch 7 Atthis moment the voltage is being measured over the l
7. VE 4 20 mAmp LOOPS WHILE THE EQUIPMENT TO BE TAKEN OVER IS STILL ACTIVE PART OF THE PROCESS BEFORE EACH LOOP TAKE OVER WHERE HUMAN OR ENVIRMENT MAY BE AT RISK A HAZOP STUDY NEEDS TO BE PERFORMED ALL NECESSARY SAFTY PRECAUTIONS NEED TO BE IN PLACE BEFORE ACTUAL LOOP TAKE OVER Read this manual carefully The IST 201 and the IST 202 are designed to work with traditional resistive loops where the relation between current and resistance positive behaves Negative relation devices are not supported Digital field equipment always requires further investigation Please contact Istec for more information Always make sure that the battery capacity is sufficient for the required duration of the loop take over Make sure to take any possible drawback in to account The IST 201 and IST 202 are electronic devises There are no user serviceable parts inside the units For service and calibration the unit needs to be returned to Istec International B V Note that the internals of the unit after opening are ELECTROSTATIC SENSITIVE This means that when after opening the device or system can be damaged by electrostatic discharges IST 202 A01 MAN REV 1 1 05 05 2014 Page 5 of 20 1 3 Warranty Every effort has been made to include specific safety related procedures in this manual using the symbols described above in chapter 1 2 However operating personnel are expected to follow all generally accepted safety procedures All personnel w
8. ge of the batteries gets to low during the use of the device the LED battery low will light up Red When the LED starts to flash approx 4 hours of operation is left When the batteries are further discharged the LED will increasingly flash until the LED is continuous on this indicates the unit is not fit for operation and unit should be disconnected immediate and charged The battery package consists of 10 NiMH cells of 1 2 Volts 2850mAmp hour each to supply a total of 12 Volts The batteries can be charged by using the battery charger For specifications about charging the batteries check the back of the casing of the charger Mas 0 12VotH 0 20mA toad 600 i2 Figure 18 IST 201 A01 IST 202 A01 Hot Cut Over Tool and battery charger IST 202 A01 MAN REV 1 1 05 05 2014 Page 19 of 20 4 TECHNICAL SUPPORT AND REPAIRS 4 1 Technical Support For technical advice spare parts troubleshooting s and general enquiries customers should contact Netherlands Belgium Istec International b v Istec International bvba Meer en Duin 8 2163 HA Lisse Zendelstraat 6 3680 Opoeteren Maaseik Tel 00 31 252 433 400 Tel 00 32 89 303 204 Email mail istec nl E mail mail istec nl 4 2 Repairs For warranty repairs and replacements customers should contact Netherlands Belgium Istec International b v Istec International bvba Meer en Duin 8 2163 HA Lisse Zendelstraat 6 3680 Opoeteren Maaseik Tel 00 31 252 433 400 Tel 00 32 89 30
9. ho are liable to operate the equipment described in this manual should be trained in the correct safety procedures Istec International B V does not does not accept any liability for injury or material damage caused by failure to obey any safety related instructions or due to any modification transformation or repair carried out on the equipment without written permission from Istec International B V Any modification transformation or repair carried out on the equipment without written permission from Istec International B V will invalidate any warranty IST 202 A01 MAN REV 1 1 05 05 2014 Page 6 of 20 2 QUICK OPERATION After connecting the two sockets on the top of the unit in parallel to the existing loop the actual current is measured and stored After initiating the loop take over the process loop may be disconnected and the Hot Cut Over Tool will maintain the measured current Manual Loop take over It is also possible to take over the loop manually where after the loop has been taken over the Hot Cut Over Tool can be adjusted to supply a new value to the current loop The actual values can be read out through the LCD display The different display modes can be selected through push buttons When the original load is re attached the display value will go to zero and the Hot Cut Over Tool may be disconnected om Figure 2 IST 201 A01 IST 202 A01 Top view 2 1 Specifications Specification Loop outp
10. oops resistance and this voltage is being displayed on the screen Figure 11 IST 201 A01 IST 202 A01 Hot Cut Over Tool Display IST 202 A01 MAN REV 1 1 05 05 2014 Page 14 of 20 8 As soon as the sampled voltage and the exact voltage differs no less than 5 mV the first 10 LED will turn Green LOOP TAKE OVER lt 5mVA V DEVICE CONNECTED OK GREEN 0 OFFSET RED MAX 25 OFFSET OVERLOAD v BATTERY LOW Figure 12 IST 201 A01 Hot Cut Over Tool Display and Status LED s When the LED loop take over turns Green you can change the Mode Dial from the sample position to the loop take over position When switched to the loop take over position disconnect the wiring from the power supply control amplifier to perform the required actions The Hot Cut Over Tool supplies the power to maintain the last measured voltage over the loops resistance The current can be measured by pressing push button Display Mode to te required display mAmp range or scale Figure 13 IST 201 A01 IST 202 A01 Hot Cut Over Tool Display mode push button IST 202 A01 MAN REV 1 1 05 05 2014 Page 15 of 20 11 To adjust the output signal maximum 25 use the push button OFFSET to increase the current and push button OFFSET to decrease the loop current Take notice that this is outside of the sampling area The current is being displayed on the screen In case of inverse display mode e g 100 0
11. ut Maximum voltage output Model IST 201 A01 Model IST 202 A01 Loop current Display Accuracy read out Sample rate Environmental Operating temperature range Storage at 95 Humidity Temperature stability Battery Battery operation Charger Specification Remark 1 HART Protocol is not supported IST 202 A01 MAN REV 1 1 05 05 2014 Page 7 of 20 12 Volt 24 Volt 0 20 mAmp limited at 27 mAmp 1count 1 Full Scale 3 samples per second 5 C 55 C 10 80 C with batteries removed 100 ppm C Up to 8 hours continuously Ni MH fast charge type 12 Volt 2850 mAmp hour Mascot 2215 5 10 cells 0 8 Amp 2 The maximum permissible loop load is 600 Ohm 20mAmp at 12 Volt for the IST 201 AXX 3 The maximum permissible loop load is 1200 Ohm 2O0mAmp at 24 Volt for the IST 202 AXX 2 2 Models IST201 AXX IST202 AXX AXX Number of channels 01 1 channel Other combinations are not applicable IST 202 A01 MAN REV 1 1 05 05 2014 Page 8 of 20 3 1 Front panel Figure 3 IST 201 A01 IST 202 A01 Hot Cut Over Tool front panel view The front panel consists of e Dial Mode select OFF SAMPLE LOOP TAKE OVER e Push Button Display Mode e Push Button Manual Adjust e Push Button Manual Adjust e Push Button Battery e Status LED Loop take over lt 5 mV AV e Status LED device connected Ok e Status LED Green 0 offset Red Max 25 Offset e Status LED overload
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