Endress+Hauser gammapilot FTG 671 Operating Instructions Manual

Level limit detection
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BA 082F/00/en/12.03
016309-1000
Software 1.3
gammapilot
FTG 671
Level Limit Detection
Operating Instructions
+
Endress
The Power of Know How
Hauser

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Summary of Contents for Endress+Hauser gammapilot FTG 671

  • Page 1 BA 082F/00/en/12.03 gammapilot 016309-1000 Software 1.3 FTG 671 Level Limit Detection Operating Instructions Endress Hauser The Power of Know How...
  • Page 2 Gammapilot FTG 671 Short Instructions for Use Short Instructions Operation Selects vertical matrix position Selects horizontal matrix position Matrix position FTG 671 Select positon V0H0 Measured value Selects next digit Matrix Move decimal point selection Relay status Increases value of digit...
  • Page 3: Table Of Contents

    Gammapilot FTG 671 Table of Contents Inhaltsverzeichnis Introduction ....5 1.1 Application ....6 1.2 Measuring system .
  • Page 4 Gammapilot FTG 671 Table of Contents...
  • Page 5 Co 60, both complying with DIN 24426/ISO 2919 classification 66646. This is acknowledged as the highest safety classification for industrial source containments. The Gammapilot FTG 671 is a transmitter for level limit detection which can be used with Certificates a variety of radioactive sources and detectors.
  • Page 6 Gammapilot FTG 671 Notes on Safety Safety conventions In order to highlight safety-relevant or alternate operation procedures in the manual the following conventions have been used, each indicated by a corresponding icon in the margin. Note! • A note highlights actions or procedures which, if not performed correctly, may indirectly affect operation or may lead to an instrument response which is not planned.
  • Page 7: Introduction

    The front cover contains short instructions for the standard set-up, level limit detection Short instructions with two limit relays, using the FTG 671, DG 57 and Cs 137 source. Users unfamiliar with the Gammapilot FTG 671 must read the operating instructions In this manual which are structured as follows: •...
  • Page 8: Application

    Min./max. relays BA082E01 The Gammapilot FTG 671 is designed as a • non-contact, level limit switch for containers (mixers, reactors, hoppers, silos, tanks) e.g. with inflammable, poisonous and aggressive bulk material and liquids. It is also suitable for applications in the food processing industry, e.g.
  • Page 9: Measuring System

    BA082E41 A working system for limit level detection comprises: • Gammapilot FTG 671 transmitter, • QG 020 or QG 100 source container with Co 60 or Cs 137 gamma source • DG 17 or DG 27 Geiger-Müller counter or DG 57 scintillation counter.
  • Page 10: Measuring Principle

    Gammapilot FTG 671 Chapter 1: Introduction Measuring principle Fig. 1.5: Detector Detection band Operating principle of FTG 671 Display radiometric level limit switch Nmax Statistical fluctuation Residual and in countrate background radiation Radiation progressively absorbed by product Nmin Barrier free...
  • Page 11: Functional Description

    Chapter 1: Introduction Functional description The Gammapilot FTG 671 has been realised as a second generation 19" Racksyst card with Rackbus connection. It can be configured by the front panel keys, via a Commulog VU 260 Z handheld terminal, or remotely via a ZA 67… Gateway. The transmitter can be operated in the following modes: •...
  • Page 12 Gammapilot FTG 671 Chapter 1: Introduction...
  • Page 13: Installation

    • Technical data of the Gammapilot FTG 671 card. Measuring system Table 2.1 lists the sources and detectors used with the Gammapilot FTG 671 transmitter together with the appropriate data sheets. In addition, each source container is supplied with an instruction sheet which describes: •...
  • Page 14: Installation Hints For Source Container And Detector

    Gammapilot FTG 671 Chapter 2: Installation Installation hints for source container and detector Warning! • All activities such as mounting, dismounting and exchange of the source or detector must be done by specially trained staff or radiation protection officials only, under strict observance of the governing rules and regulations.
  • Page 15 Gammapilot FTG 671 Chapter 2: Installation The shielding material is lead in a welded steel housing. Fire proof source containers are available, which ensure that the radiation source and lead shielding cannot be lost when the housing is heated above the melting point of lead (327 °C/620 °F); e.g. in case of fire.
  • Page 16 Gammapilot FTG 671 Chapter 2: Installation Activity of the source Endress+Hauser radiometric systems operating with the DG 57 rod scintillation counters utilize the lowest source strengths. For limit switching, the source strength is calculated such that the dose rate arriving at the detector is: •...
  • Page 17 Gammapilot FTG 671 Chapter 2: Installation The use of a rod scintillator for detection of the gamma rays allows the lowest source Detector DG 57 strengths to be used for limit switching. The heart of the DG 57 is a cylindrical rod 48 mm in diameter made of transparent synthetic scintillation material.
  • Page 18 Gammapilot FTG 671 Chapter 2: Installation Detector DG 17, DG 27 The Gammapilot FTG can also be connected to a DG 17/DG 27 Geiger-Müller counter. In this counter each gamma quantum causes a cascade of ions which are registered by the counter as a current pulse.
  • Page 19 Gammapilot FTG 671 Chapter 2: Installation The QG … source container and DG…Z detector are mounted diametrically opposite Mounting and installation each other at each side of the vessel. • The detector is normally mounted horizontally • The source and detector must be exactly aligned.
  • Page 20: Gammapilot Installation

    Gammapilot FTG 671 Chapter 2: Installation Gammapilot installation Gammapilot transmitters must be installed outside hazardous areas, whereby three possibilities for mounting exist: • Standard 19" rack with space for 12 7HP cards, • Field housing with space for up to 6 7HP cards, •...
  • Page 21 BA 090F supplied with it. Note! • The Gammapilot FTG 671 cannot be installed in older versions of the Monorack hou- sing. These can be identified by the lack of the jumper switch, see Fig. 2.10/2.17. If the Gammapilot FTG 671 transmitter and Monorack II housing are to be mounted at...
  • Page 22: Transmitter Wiring

    BA082D14 Rack wiring Fig. 2.12 is a pin assignment diagram for the Gammapilot FTG 671. • Inputs d2 and d4 are for DG 57 detector signals, z2 and z4 are for DG 17/27 counter signals. They are electrically isolated from all transmitter circuits and each other.
  • Page 23 Gammapilot FTG 671 Chapter 2: Installation The wiring for the standard version of the DG 57 detector [EEx ib] is shown in Fig. 2.13. DG 57 detector wiring • We recommend the use of standard 2-core installation cable, max. 25 Ω per core.
  • Page 24 Gammapilot FTG 671 Chapter 2: Installation Fig. 2.15: Rackbus wiring diagram FTG 671 ZA 672 10 + 10 + 10 + RACKBUS RACKBUS RACKBUS 12 + + 12 + + Max. 64 Commutec- transmitters in parallel on 20 u 20 u...
  • Page 25 Note! • The Gammapilot FTG 671 is a Racksyst II card. It cannot be installed in a Monorack I housing. These are easily identified by the lack of the jumper switch in the base, see above.
  • Page 26: Hardware Configuration

    DG 57 signal switch open BA082E21/22 Fig. 2.18 shows the configuration elements on the Gammapilot FTG 671 plug-in card. Caution! • Electrostatic discharge can degrade performance or damage electronic modules. Touch a grounded object to rid yourself of charge before handling the modules.
  • Page 27: Technical Data

    Gammapilot FTG 671 Chapter 2: Installation Technical data Environment Fig. 2.19: Gammapilot FTG 671 plug-in card BA082D23 • Operating temperature: 0°C...+70°C Storage temperature: -20°C...+85°C • Climatic class to DIN 40 040: • Electromagnetic compatibility Interference Emission to EN 61326, Electrical...
  • Page 28 Gammapilot FTG 671 Chapter 2: Installation...
  • Page 29: Controls

    Technical Information sheet »Commulog Operating Program« TI 113. A matrix card, reproduced at the back of this manual, is delivered with the Gammapilot FTG 671 transmitter. Fig. 3.20: Gammapilot FTG 671 Gammapilot display Parameter matrix operation with function of V and H keys.
  • Page 30: Configuration From Front Panel

    BA082E26 Fig. 3.1 shows the LC-display with matrix of the Gammapilot FTG 671, Fig. 3.3 its front panel. Table 3.1 below describes the function of the operating keys. • Changes are not possible if the matrix has been locked (Section 4.6).
  • Page 31: Configuration With Commulog Vu 260 Z

    Commulog sockets BA082E26/27 The Gammapilot FTG 671 can also be configured with the Commulog VU 260 Z handheld terminal as shown in Figs 3.2, p. 24. A full description of Commulog operation is to be found in Operation Instructions BA 028, Table 3.2 summarizes the key functions.
  • Page 32 Gammapilot FTG 671 Chapter 3: Controls...
  • Page 33: Calibration And Operation

    • Display of measured values • Locking the parameter matrix. The Gammapilot FTG 671 controls are described in Chapter 3, p. 23, and the setting of the relays in Chapter 5, p. 35. Note your parameters in the tables provided in the back cover. Should the transmitter be...
  • Page 34 Gammapilot FTG 671 Chapter 4: Calibration and Operation System information The information in Table 4.1 must be entered into the Gammapilot in the commissioning phase of the calibration: Table 4.7: Parameter Matrix Significance System information required for Source type V3H1...
  • Page 35: Standard Calibration With Background Calibration (For Detector Dg57)

    As shown in Fig. 4.2, the Gammapilot FTG 671 comperates the calibration parameters for the decay of the source. The switching points are influenced by the compensation, too.
  • Page 36: Standard Calibration (Normal) Without Background

    Gammapilot FTG 671 Chapter 4: Calibration and Operation Pocedure for standard Step Matrix Entry Significance calibration with V3H0 Commission as in Section 4.1, select background calibration background calibration V0H1 »E« With the barrier free, wait min. 100 seconds, press »E« to register countrate V0H2 »E«...
  • Page 37: Auxiliary Calibration

    Gammapilot FTG 671 Chapter 4: Calibration and Operation Auxiliary calibration Fig. 4.3: Parameters required for provisional calibration Covered, V0H2 Local dose rate V3H9 for empty vessel BA082E29 It is not always possible to calibrate as described in Section 4.2, e.g., it might not be possible to empty the vessel sufficiently to uncover the barrier.
  • Page 38: Limit Switches

    On completion of the calibration, the (max.) countrate registered with the barrier free is assigned the normalised countrate 0 and the (min.) countrate registered with the barrier covered, the normalised countrate 100. The Gammapilot FTG 671 automatically sets the following switch points.
  • Page 39: Additional Functions

    Gammapilot FTG 671 Chapter 4: Calibration and Operation Additional functions The Gammapilot FTG 671 also checks whether the detector is operating correctly. Detector monitor Depending upon the type used, the following alarms and warnings may appear. • E 201: Pulserate too low Alarm •...
  • Page 40: Locking The Parameter Matrix

    Gammapilot FTG 671 Chapter 4: Calibration and Operation Locking the parameter matrix When all parameter entries have been made (see also Chapters 5…7) the matrix can be locked by entering a code number. Step Matrix Entry Significance V8H9 e.g. 888 Enter any code from 100 - 669 or from 680 - 999 "E"...
  • Page 41: Limit Switches - Relays

    BA082E30 Gammapilot FTG 671 transmitters have two independent relays, which switch according to the size of the measured value at V0H0. • Each limit switch has a switch-on and switch-off point. The relative values of these two parameters determines the hysteresis and fail-safe mode, see Fig.
  • Page 42: Configuration

    Gammapilot FTG 671 Chapter 5: Limit Switches - Relays Configuration Switch point If the default values are to be changed, two switch points can be set for each relay. • The switch-on point, i.e. the value at which the relay energises, at V0H1 for relay 1 and V1H5 for relay 2 •...
  • Page 43 Gammapilot FTG 671 Chapter 5: Limit Switches - Relays The choice between standard or acknowledged operation, see Section 5.2, is made at Limit switch/ field V1H2 for relay 1 and V1H7 for relay 2: Acknowledgement mode • 0 = standard operation (default) •...
  • Page 44 Gammapilot FTG 671 Chapter 5: Limit Switches - Relays Fig. 5.6: Detector DG 57/400-Co 60 Relay response time as a function of local dose rate for detector DG 57/400mm and source Co 60 4 HVL max. attenuation response time (s) BA082D60 Fig.
  • Page 45 Gammapilot FTG 671 Chapter 5: Limit Switches - Relays Fig. 5.9: Relay response time as a Detector DG 57/100 - Cs 137 function of local dose rate for detector DG 57/100mm and [µSv/h] source Cs 137 4 HWS max. attenuation...
  • Page 46 Gammapilot FTG 671 Chapter 5: Limit Switches - Relays Fig. 5.12: Relay response time as a Detector DG 27 - Co 60 function of local dose rate for detector DG 27 and source Co 60 [µSv/h] 4 HVL max. attenuation...
  • Page 47: Acknowledgement Mode

    Gammapilot FTG 671 Chapter 5: Limit Switches - Relays Acknowledgement mode By entering 1 at V1H2 or V1H7, each relay may be set to operate in acknowledgement mode. 0 reselects standard operation. Acknowledgement mode is suitable for applica- tions which require a relay hold function. In this case, the relay is held in the attained switching status even when the operational conditions would normally dictate a return to the original status.
  • Page 48 Gammapilot FTG 671 Chapter 5: Limit Switches - Relays...
  • Page 49: Maintenance

    Gammapilot FTG 671 Chapter 6: Maintenance Maintenance When using the DG 57 detector, the following parameters should be checked in regular intervalls (approx. 6 month): Sensor temperature °C (V7H3) This field displays the highest temperature which has been present at the DG 57 during operation.
  • Page 50 Gammapilot FTG 671 Chapter 6: Maintenance...
  • Page 51: Trouble-Shooting

    When the instructions in the manual have been followed correctly, the system must now function. Should this not be the case, the Gammapilot FTG 671 transmitter provides a number of aids for setting up and operating the module correctly. This Chapter contains the following: •...
  • Page 52 Gammapilot FTG 671 Chapter 7: Trouble-Shooting Table 7.1 Code Type Cause and Remedy Error codes and error messages E101… Alarm Fault in instrument electronics E106 - Check supply voltage - Call Endress+Hauser Service E201 Alarm Fault in detector, pulse rate too low (DG 17 = 0, DG 27 <...
  • Page 53: Fault By Gammagraphy

    Gammapilot FTG 671 Chapter 7: Trouble-Shooting Use the following Table to check for faulty operation Trouble-shooting table Table 7.2 Fault Cause and remedy Trouble shooting table for • Radiation switched off Dose rate for unhindered radiation incorrect function without error...
  • Page 54: Simulated Operating Mode

    Gammapilot FTG 671 Chapter 7: Trouble-Shooting Simulated operating mode This function is intended primarily for checking the correct function of the system and is selected and terminated at V8H0: • Enter 3 to simulate the input variable (pulse rate or frequency) - display 0…9999, actual 0…99990...
  • Page 55: Exchanging Transmitters And Detectors

    Gammapilot FTG 671 Chapter 7: Trouble-Shooting Exchanging transmitters and detectors If the Gammapilot FTG 671 has to be exchanged, the replacement need not be Transmitter recalibrated. Instead all the matrix values noted down at the time of the commissioning (Table in back cover) can be used to quickly commission the new transmitter.
  • Page 56: Repairs

    Gammapilot FTG 671 Chapter 7: Trouble-Shooting Repairs Should the Gammapilot FTG transmitter or its detector need to be repaired by End- ress+Hauser, please send it to your nearest Service Centre with a note containing a short description of the fault.
  • Page 57 Gammapilot FTG 671 Operating Matrix Operating Matrix Operating and default parameters Enter your operating parameters in the matrix below, a full matrix is to be found overleaf. The parameters in brackets are default parameters. [0.0] [100.0] [72] [38] [38] [72]...
  • Page 58 Gammapilot FTG 671 Operating Matrix Parameter Matrix Normalised »Empty« »Full« Integration Actual pulse Back rate or ground pulse rate calibration calibration time Calibration frequency countrate per 100 ms per 100 ms frequency [10/s] [10/s] Relay 1 Relay 1 Relay 1...
  • Page 59 Gammapilot FTG 671 Operating Matrix...
  • Page 60 Gammapilot FTG 671 Index Index Acknowledgement mode 41, 45 36 - 37, 50 Alarm Operating matrix Application Operating parameters 27, 56 Operation 31 - 38 Calibration 33 - 35 Auxiliary Parameter matrix lock Background Pin assignment Standard Gammapilot FTG 671...
  • Page 61 Index Gammapilot FTG 671...
  • Page 62 Gammapilot FTG 671 Index...
  • Page 63 Index Gammapilot FTG 671...
  • Page 64 Belorgsintez Canada Poland Singapore Minsk Endress+Hauser Ltd. Endress+Hauser Polska Sp. z o.o. Endress+Hauser (S.E.A.) Pte., Ltd. Tel. (01 72) 508473, Fax (01 72) 508583 Burlington, Ontario Warszawy Singapore Tel. (9 05) 6 81 92 92, Fax (9 05) 6 81 94 44 Tel.

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