EDS12-1K

ELECTRO-PNEUMATIC POSITIONER DATA SHEET The electro-pneumatic positioner converts a 4 to 20mA DC operation signal from an electronic controller, etc. into a pneumatic signal to drive a diaphragm control valve. The operating position is determined accurately by feedback via links to the positioner. ZLA FEATURES 1. Various types Flame-proof type, intrinsically safe explosion-proof type, split range type, etc. are available. 2. Compactness and light mass {weight} result in easy mounting. Easily mounted because of light mass 3kg to a control valve by using its link mechanism and clamper. 3. A low input resistance of 200Ω permits two positioners to simultaneously operate. SPECIFICATIONS Input signal : 4 to 20mA DC, 4 to 12mA DC or 12 to 20mA DC Input resistance : Approx. 200Ω (at 20˚C) Accuracy rating : ± 1.0% of full range Hysteresis : 0.75% of full range Response time : Approx. 2 sec (90% time of full range when using a valve having the top of 240mm diameter and lift of 16mm) Lift adjusting range (Lever rotating range) : 10 to 100mm (6˚ to 40˚) Air supply pressure and output signal : Air supply pressure [kPa] {kgf/cm2} 140 {1.43} 160 {1.63} 240 {2.45} Output signal [kPa] {kgf/cm2} 19.6 to 98.1 {0.2 to 1.0} 39.2 to 117.7 {0.4 to 1.2} 39.2 to 196.1 {0.4 to 2.0} Output signal pressure gauge : JIS class 3 with the graduation angle of 270˚ Input/output operations : As specified by the customer Normal action; The output signal level increases as the input signal level increases. Reverse action; The output signal level decreases as the input signal level increases. Nominal air consumption : 12NR /min (at the supply air pressure of 140kPa{1.43kgf/cm2}) 20NR /min (at the supply air pressure of 240kPa{2.45kgf/cm2}) Maximum air consumption : 60NR /min (at the supply air pressure of 140kPa{1.43kgf/cm2}) 80NR /min (at the supply air pressure of 240kPa{2.45kgf/cm2}) Ambient temperature : –20 to +80˚C Intrinsically safe explosion-proof type; –20 to +60˚C Flame-proof type; –20 to +70˚C Ambient humidity : Less than 95% RH External dimensions (H × W × D) : 215 × 212 × 128mm Mas{weight} : Approx. 3kg Air pipe connection : Rc1/4 Conduit connection : G1/2 EDS12-1k Date Mar. 31, 1999 ZLA Waterproof structure : Splash proofing (JIS C 0920) Explosion-proof structure : Intrinsically safe explosion-proofing (JIS i3nG5) Flame-proofing (JIS d2G4) Finish color : Silver (epoxy resin coating) Acid and alkaliproofing treatment is applied to the standard products. Mounting method : Connected to the control valve yoke. Small, medium and large valve stem securing links and clampers are available. FUNDAMENTAL BLOCK DIAGRAM Signal current Torque motor Force Balance beam DisplaceAir presment Diaphragm Movement Nozzle sure control pilot valve valve DisplaceFeedback ment level spring Force Lever CODE SYMBOLS 12345678 ZLA 1 2 3 6 Input signal 4 to 20mA DC 4 to 12mA DC 12 to 20mA DC Description A B C D E F Output signal: input/output operation: air supply pressure 19.6 to 98.1 kPa (normal action) ... 140kPa {0.2 to 1.0kgf/cm2} {1.43kgf/cm2} 39.2 to 117.7 kPa (normal action) ... 160kPa {0.4 to 1.2kgf/cm2} {1.63kgf/cm2} 39.2 to 196.1 kPa (normal action) ... 240kPa {0.4 to 2.0kgf/cm2} {2.45kgf/cm2} 98.1 to 19.6 kPa (reverse action) ... 140kPa {1.0 to 0.2kgf/cm2} {1.43kgf/cm2} 117.7 to 39.2 kPa (reverse action) ... 160kPa {1.2 to 0.4kgf/cm2} {1.63kgf/cm2} 196.1 to 39.2 kPa (reverse action) ... 240kPa {2.0 to 0.4kgf/cm2} {2.45kgf/cm2} Y A B Explosion-proof structure General use (Non-explosion-proof) Intrinsically safe explosion-proof structure (JIS i3nG5) Flame-proof structure (JIS d2G4 conduit pressure-resisting screw-coupled type lead in system) Flame-proof structure (JIS d2G4 flame-proof packing connection type) 0 1 2 3 Link mechanism and clamper Non provided Provided with the small link mechanism and clamper Provided with the medium link mechanism and clamper Provided with the large link mechanism and clamper C See "Outline diagram" OUTLINE DIAGRAM (Unit: mm) 2-11mm dia. mounting holes 128 120 13 24 39 φ8 55 161 180 28 57 36 SUP 45 Air pipe connection 2- Rc1/4 80 OUT "A" Conduit connection G1/2 Zero Output signal adjustment pressure gauge 2-11mm dia. mounting holes 128 120 13 24 39 φ8 55 174 SUP 117 28 57 36 166 6~40˚ 45 Air pipe connection 2- Rc1/4 *Cable gland 80 SUP 80 OUT "A" Conduit connection G1/2 "B" Conduit connection G1/2 Note: *shows the part used for the flame-proof packing type which used for 11mm diameter cable. Zero Output signal adjustment pressure gauge Details of "A" φ15 6 Details of "B" φ13 Link mechanism and clamper 22 17 90 66 15 G1/2 G1/2 Valve stem (φd) L1 19 Commection diagram E II+ L2 179 6~40˚ 7th digit 1 2 3 L1 35 50 112 L2 30 55 55 Input signal ZLA RELATED DEVICES Air set Diaphragm type control valve Opener (FXZ2 type) ORDERING INFOMATION 1. Product name 2. Code symbol 3. Installation place and fitting bracket 4. Other requirements Caution on Safety *Before using this product, be sure to read its instruction manual in advance. Head Office 6-17, Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan http://www.fesys.co.jp/eng Sales Div. International Sales Dept. No.1, Fuji-machi, Hino-city, Tokyo, 191-8502 Japan Phone: 81-42-585-6201, 6202 Fax: 81-42-585-6187 http: //www.fic-net.jp/eng Information in this catalog is subject to change without notice. Printed in Japan