EGC100W MAGMAX. Converter for Electromagnetic Flowmeter GENERAL FEATURES STANDARD SPECIFICATION. General Specification

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1 EGCW Converter for Electromagnetic Flowmeter GENERAL MAGMAX EGCW is the high-performance separate type converter for electromagnetic flowmeters with the compact housing. Improved self-diagnostic functions include empty pipe detection and conductivity monitoring. The easy-to-use converter in the field, EGCW is used in combination with the MAGMAX series primary head. FEATURES Standardized high-performance functions such as pulse output, bi-directional measurement, double ranges and status outputs including flow rate alarms. High accuracy of ±.5% of reading. High speed data processing for quick response. Suitable for batch process control and pulsating flow. The extendable excitation system allows applications to much fluid noise such as slurry. The LCD with backlight provides to 3 lines of versatile indication. Equipped with a quick setup function to readily respond to changed flow range, pulse rate, etc. The push buttons allow you to alter the settings without removing the cover of conversion section. khz high-speed pulse output. Capable of responding to short batch processes. STANDARD SPECIFICATION General Specification Primary head for : MAGMAX Series Primary head combination EGS, EGS, EGS, EGS5, EGS6 or others Excitation : Square wave Measuring range : Flow velocity Min. to.3m/s Max. to m/s Protection class : IP66/67 (IEC 659) Material Housing : Aluminum alloy ( * ) Converter cover : Aluminum alloy ( * ) Indicator water : Polyester protection sheet Painting : Siloxane coating Color : Grey (Housing) Jade green (Cover) Installation : Wall mount, Optionally inch pipe mount (*) Anti-corrosive painting Cable entry : G/ female thread / NPT female thread M with watertight glands (Option : Watertight glands for G/) Supply voltage : to 3V AC (85 to 53V AC) V DC ( to 3V) General purpose (Non explosionproof) V DC (8 to 3V) ATEX explosionproof Note: Figures in ( ) show allowable voltage range. Supply frequency : 8 to 63Hz (AC) Power consumption : AC; approx. 8VA DC; approx. W Ambient temp. : to 65 C (For operation) to 7 C (For storage) Note: Refer to "Explosionproof Specification" for ATEX explosionpoof. Grounding : Grounding resistance must be less than Ω.

2 Converter for Electromagnetic Flowmeter EGCW Cable Exclusive cable for : DS cable electrode signal c.5mm with double shield, PVC sheath, outer diameter ; approx. mm Excitation current : c.75 to.5mm with shield ( * ), cable outer diameter mm Power supply and : to c.5 to.5mm ( * 3), output signal cables outer diameter mm (*) Cable length is defined and core size is subject to the terminal structure. Refer to "Excitation current cable" for details on page. (*3) Core size is subject to the terminal structure. Refer to "Applicable core size" for details on page 6. Indication and Output Specification Indicator : Dot matrix LCD (With backlight) 8 6 pixels (59 3mm) Indication function : Changeover ( screens) One to three lines are displayed at one screen. Contents of indication ; Flow rate, velocity, total flow, conductivity (In case of primary head type EGS5, it is only nominal size 5 to mm), and coil temperature Current output : to ma DC (Max. ma at burn out error mode) Internal power supply : Less than 75ohms (Load resistance) External power supply : Less than 3V DC (External voltage) Pulse output Open collector output Rating : Less than 3V DC, ma ( khz) Less than ma ( Hz) Residual voltage: Less than.5 VDC at ma Leak current: Less than.5 ma at VDC Pulse rate to 36,, pulse/h (.56Hz to khz) Pulse width One of the following selectable ) Automatic : Pulse width by which duty factor to be 5% at full scale ) Duty factor : fixed 3) Free setting ;.5 to ms Status output Open collector output Rating : Less than 3V DC, ma Max. Residual voltage: Less than.5 VDC at ma Leak current: Less than.5 ma at VDC Contents of output One of the following selectable: ) No status output (Standard factory setting) ) Identification of flow direction 3) Over range ) Error 5) Flow alarm 6) Identification of range (For double range measurement) 7) Empty pipe detection (In case of primary head type EGS5, it is only nominal size 5 to mm) Description of input and output terminal Terminal A (A, A / A) C (C, C) D (D, D) Standard setup Current output Status output Pulse output Switchover by reprogramming Status output Low flow cutoff Current output, Pulse output, Indicator (Separate setting is possible.) Setting value :. to.% FS Setting value (Standard) : Current output, Pulse output ; ON %, OFF % FS Indicator ; Without low flow cutoff Damping time constant Current output, Pulse output, Indicator (Separate setting is possible.) Setting value :. to.s Setting value (Standard) : Current output, Indicator ; s Pulse output ; Damping time constant Isolation of input and output Each circuit of power supply, electrode input, terminal A, terminal C, and terminal D are isolated. Standard Functions Customer s free measuring unit setting function Volume (or mass) and time unit in 7 characters can be created. Automatic zero adjustment function Zero adjustment is automatically conducted at "ZERO ADJUST MODE" (Subject to zero flow) Bi-directional flow measurement function A flow-direction distinction signal is outputted in state output and current. Double range measurement function Possible range setting range ratio : to :.5 (Setting range of low range : 5 to 8% of high range) Range selection ; Automatic Excitation current frequency switching function Standard mode : /6 of supply frequency (Standard) Special frequency mode : /5 to / times of supply frequency ( * ) Self-diagnosis function The following conditions are indicated by error message; Functional diagnosis : Coil disconnection, CPU, Memory, Software, Output module, and Output connection Status diagnosis : Empty pipe detection, Over range, Counter over flow, and Power fail detection Memory save function for power fail Operation parameters and totalization figures are stored for more than years by EEPROM (Non volatile memory). Testing function Simulating output function for current, pulse output and status output are integrated. Current output test : Arbitrary output (. to. ma) Pulse output test : Arbitrary output (Hz to khz) Status output test : On / Off Push button setting function The push buttons allow you to alter the settings without removing the cover of conversion section. HART communication Please confirm the specification to us. (*) It can be changed for every application, such as slurry and a pulsating flow. TOKYO KEISO CO., LTD. TG-F7-E

3 Converter for Electromagnetic Flowmeter EGCW Accuracy ( * 5) Indication and Pulse output ) Used in combination with following primary heads EGS, EGS, EGS5 (Nominal size to 5 mm), EGS6 For flow velocity.5 m/s: ±.5% of reading For flow velocity <.5 m/s: ±.3% of reading Velocity error of ±. m/s ) Used in combination with following primary heads EGS, EGS5 (Nominal size.5 to 6 mm) For flow velocity m/s: ±.5% of reading For flow velocity < m/s: ±.% of reading Velocity error of ±. m/s Current output : Additional error of ±.ma be added to the accuracy of indication or pulse output. (*5) Basis condition Fluid : Water Fluid temperature : to 3ºC Conductivity : 5μS/cm or more Supply voltage : Rated voltage ±% Ambient temperature : 8 to 8ºC Upstream / Downstream pipe length : D / D (D: Diameter) Warm-up time : About minutes Measuring time : s Error ±% of reading Velocity (m/s) Explosionproof Specification ATEX explosionproof : Under examination for certification CABLE LENGTH BETWEEN PRIMARY HEAD AND CONVERTER [Electrode signal cable] The maximum length of electrode signal cable Primary head EGS EGS EGS EGS5 EGS6 Nominal size (mm) to 5 5 to 5 to to 5 to.5 to 5 to 5.5 to 5 DS Max. cable length to 6m to 6m to 6m to 6m to 6m to 6m to 6m to 6m Graph A A A A A A A A [Excitation current cable] Cable length Nominal cross-section 5 to 5m.75 to.5mm 5 to 3m.5 to.5mm 3 to 6m.5mm Fluid conductivity characteristics graph A A Maximum cable length (m) 5 Fluid conductivity (μs/cm) EGS EGS / EGS (Size to 5mm) / EGS5 (Size.5 to mm) / EGS6 EGS (Size to mm) / EGS5 (Size 5 to 5mm) TG-F7-E TOKYO KEISO CO., LTD. 3

4 Converter for Electromagnetic Flowmeter EGCW ELECTRICAL CONNECTION BETWEEN CONVERTER AND PRIMARY HEAD EGCW (Wall installation type) S 7 8 (R) (W) 3 S Converter EGCW C A Ground clamp Primary head EGS EGS EGS EGS5 EGS * Ω (W) (R) Colors in ( ) show sheath color of cores. (R): Red, (W): White Terminal No S Description Electrode signal input Not used Exciting current output Not used Shield Grounding Cable A: DS cable for electrode signal (Exclusive cable) C: Excitation current cable c.75 to.5mm with shield (Supplied by customer) Terminal : Spring clamp terminal * Connect to the ground using the grounding wire in cross-section area from grounding terminal. (Supplied by customer) TOKYO KEISO CO., LTD. TG-F7-E

5 Converter for Electromagnetic Flowmeter EGCW ELECTRICAL CONNECTION L N PE C C D D S A A A Pw Sp Pp la lp Mark lp la Sp Pp Pw Terminal A A A A C C D D L (L) N (L) PE (FE) S Polarity () () Description Current output when power is supplied externally. Current output when power is supplied internally. Status output by open collector Pulse output by open collector AC or DC power supply The ( ) show DC power. Grounding for power supply. The (FE) shows DC power. Grounding for shielded wire Terminal type : Spring clamp terminal Applicable core size :.5 to.5mm DIMENSIONS EGCW R.5 3 ESC 5 9 (3) 57 For B pipe fixing ( - 9) For wall mounting ( - 9) Grounding terminal for FG (M5) Mass: Approx..9kg for general purpose Approx..kg for ATEX explosionproof type TG-F7-E TOKYO KEISO CO., LTD. 5

6 Converter for Electromagnetic Flowmeter EGCW MODEL AND SPECIFICATION CODE Model : EGCW Converter Spec. code V N 3 Converter code Type V N 3 Power supply Explosionproof specification Cable entry Housing Output type Special feature N N A (Blank) /Z Description Type:EGC always Separate type V DC ( to 3V), General type (Non-explosionproof) V DC (8 to 3V), ATEX explosionproof to 3V AC (85 to 53V) General type (Non-explosionproof) ATEX explosionproof (in preparation) / NPT female thread G/ female thread M with watertight glands * always 6 Standard always Standard (Current output Pulse output Status output) always None Involved * Standard * Specify M with watertight glands, code " 6" for the cable entry of ATEX explosionproof. * Add code "/Z" to a series of above mentioned codes with explanation for the other requirements not mentioned above code table. Do not hesitate to consult TOKYO KEISO Co., Ltd. before ordering for such requirements. STANDARD ACCESSORIES Parameter sheet : Instruction manual : OPTION G/ watertight glands for cable entry : [Symbol : WG] Metal fixtures for inch pipe mount [Symbol : PM] ORDERING INSTRUCTIONS Specify the following when ordering :. Model and specification codes Example : Model : EGCW PSpecification codes : VN3NA56. Full scale flow range and pulse rate. However, Unnecessary if [Symbol : NS] is specified. 3. Optional requirements will be added using above mentioned symbols if required.. Specify the length of DS cable with maximum 6m in m increments. * Specification is subject to change without notice. Head Office : Shiba Toho Building, 7 Shibakoen, Minato-ku, Tokyo Tel : (KEY) ; Fax : overseas.sales@tokyokeiso.co.jp ; URL : 6 TG-F7-E