Product Specifications 04.2009 PSS EVE0201 A-(en) SGE985 Limit switch Limit switch SGE985 serves as end position signaling of actuators and can be mounted to stroke actuators as well as to rotary actuators. It is constructed with inductive sensors or micro switches and signalizes exceeding or declining of two adjustable positions. FEATURES • Inductive limit switch according to DIN 19 234 rsp. NAMUR or three wire system • Variable switching functions • Precise switching points through adjustable transmission • Robust design; low vibration effect in all directions • Mounting according to DIN IEC 534 part 6 (NAMUR) • Rotation adapter for angles up to 120 ° • Explosion protection: II 2 G EEx ib/ia IIB/IIC T4/T6 according to ATEX • EMC in accordance with international standards and laws (CE) 2 SGE985 PSS EVE0201 A-(en) TECHNICAL DATA Input Response characteristic 6) Stroke . . . . . . . . . . . . . . . . . up to 100 mm with attachment kit for diaphragm actuators Rotary angle . . . . . . . . . . . . up to 120 ° with attachment kit for rotary actuators Gain. . . . . . . . . . . . . . . . . . . continuously adjustable from 1:1 to approx. 7:1 Switching point repeatability . . . . . . . . . . . . . < 0.2 % Output Inductive Limit Switch, two-wire system Code S, T Ambient conditions 7) Output . . . . . . . . . . . . . . . . . 2 inductive proximity sensors acc. to DIN 19 234 resp. NAMUR for connection to a switching amplifier with an intrinsically safe control circuit 1) 2) 3) Current consumption Vane clear . . . . . . . . . . . . > 3 mA Vane interposed . . . . . . . . < 1 mA for control circuit with the following electrical values Supply voltage . . . . . . . . . DC 8 V, Ri approx. 1 kΩ Residual ripple . . . . . . . . . < 5 % Internal inductance . . . . . . 160 µH Internal capacitance . . . . . 20 nF Perm. line resistance . . . . . . < 100 Ω Switching differential 6) . . . . . < 1 % 7) Explosion protection . . . . see page 3 Output Inductive limit switch, three-wire system Code U Output . . . . . . . . . . . . . . . . . 2 inductive proximity sensors, three-wire system, contact, pnp 2) 4), LED indication, Supply voltage US . . . . . . . . DC 10 ... 30 V Residual ripple . . . . . . . . . . . ± 10 %, US = 30 V Switching frequency . . . . . . . 2 kHz Constant current . . . . . . . . . 100 mA Switching differential . . . . . . < 1 % Output Limit switch assy. with micro switches Code V Output . . . . . . . . . . . . . . . . . 2 micro switches Connected load, alternating current Switching capacity . . . . . . max. 250 VA Switching voltage . . . . . . . max. 50 V Switching current with ohmic resistance . . . . . . max. 5 A inductive resistance. . . . max. 2 A Bulb, metal filament. . . . max. 0.5 A Connected load, direct current Switching voltage, max. V 30 50 Ohmic load A 5 1 Switching differential . . . . . . < 2.5 % 2) 5) Inductive load A 3 1 Ambient temperature . . . . . . –25 ... 85 °C / –13 ... 185 °F Relative humidity . . . . . . . . . up to 100 % Transport and storage temperature. . . . . . . –40 ... 85 °C / –40 ... 185 °F Protection class . . . . . . . . . . IP 65 The device can be operated at a class D1 location according to DIN IEC 654, part 1 7). Mounting For attaching to diaphragm actuators acc. to DIN IEC 534-6 (NAMUR) and to rotary actuators acc. to VDI/VDE 3845 Mounting orientation. . . . . . . any Electric connection Line entry. . . . . . . . . . . . . . 1 cable gland M20x1.5 (others with Adapter AD-...) Cable diameter. . . . . . . . . . 6 to 12 mm (0.24 to 0.47 in) Screw terminals . . . . . . . . . Screw terminals for wires up to 2.5 mm2 (AWG 14) Materials Housing and cover . . . . . . . . Aluminum (Alloy No. 230) finished with DD varnish Control vanes. . . . . . . . . . . . Aluminum Setting mechanism . . . . . . . Fibre glass reinforced polyamid Transmission shaft . . . . . . . . 1.4571 Mounting bracket . . . . . . . . . 1.4301 Weight SGE985. . . . . . . . . . . . . . . . approx. 0.6 kg (1.3 lbs) 1) 2) 3) 4) 5) 6) 7) For the standard version Code S one switching amplifier is required, For the security version Code T a fail-safe amplifier for each inductive proximity sensor is required. Operating mode min. (=low) / max. (=high) selectable by adjustment of switch vanes. Operating mode normally closed circuit / normally open circuit selectable at switch amplifier output. Contact closed within the positive range. Contact open within the positive range. For feedback lever effective length 117.5 mm (4.63 in), stroke 30 mm (1.28 in) and maximum gain. For security version: lower temperature limit –40°, and operating location at a class D2 location. For this version a fail-safe amplifier for each inductive proximity sensor is required, eg Pepperl & Fuchs WE 77/Ex-SH-03 PSS EVE0201 A-(en) SGE985 3 SAFETY REGULATIONS SWITCHING FUNCTIONS Explosion protection The switching functions may be freely selected and set. The control vanes may be adjusted as desired in order to reach the wanted switching behavior. The illustration here shows the four basic settings and adjacent the respective switch behavior (gray=immersed vane). The examples are based on the following setting: Mounting left=feedback level right; transmission is selected so that at stroke x from 0 to 100 % the guidance shaft travels through a rotary angle of 180°. Illustrated in resting position x = 0%. inductive proximity sensor . . Type SJ 3,5-N resp. Type SJ 3,5-SN (security version) Type of protection . . . . . . . . II 2 G EEx ib/ia IIB/IIC T4/T6 Certificate of conformity . . . . PTB 02 ATEX 2153 (Option Limit switch) For operation in certified intrinsically safe circuits with the following maximum values: Umax. . . . . . . . . . . . . . . . . . 16 V Imax. . . . . . . . . . . . . . . . . . . 25 mA Pmax. . . . . . . . . . . . . . . . . . 64 mW Internal inductance . . . . . . 100 µH Internal capacitance . . . . . 30 nF The certificate of conformity refers to the inductive sensor installed. Mounting conforms to the stipulations of the certificate and the mounting conditions. 2-wire technique: If control vane is immersed the initiator power circuit becomes high-ohmic. 3-wire technique: If control vane is immersed the contact is closed against plus. Micro switch: Contact opens during passing of the control vanes. CE marking x=100 % Electromagnetic compatibility 89/336/EWG Low voltage regulations . . . . w/o Ex: 73/23/EWG fulfilled (with Ex: not applicable) Electromagnetic compatibility EMC x=0 % Operating conditions . . . . . . industrial environment Immunity according to - NAMUR recommendation NE21 fulfilled - EN 61 326 . . . . . . . . . . . . . fulfilled - EN 61 000-6-2 . . . . . . . . . . fulfilled Emission according to - EN 55 011, Group 1, Class A . . . . . . . . fulfilled - EN 61 000-6-2 . . . . . . . . . . fulfilled A Safety requirements A Safety . . . . . . . . . . . . . . . . . safety class III as per DIN EN 61010-1 (DIN IEC 61010-1) (VDE 0411 part 1) overvoltage category . . . . . . 1 internal fuses . . . . . . . . . . . . none external fuses . . . . . . . . . . . Limitation of power supplies for fire protection has to be observed due to EN 61010-1 9.3. ff. B X 0% B X 0% X 0% 100 % B A B National installation regulations must be observed. 100 % A X 0% 1) 100 % 100 % 4 SGE985 PSS EVE0201 A-(en) MODEL CODES SGE985 Limit switch SGE985 010408 Version inductiv switches, standard (a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -S inductiv switches, security (a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -T inductiv switches, three-wire technique . . . . . . . . (b) . . . . . . . . . . . . . . . . -U two microswitches . . . . . . . . . . . . . . . . . . . (b) . . . . . . . . . . . . . . . . -V Cable Entry M20x1.5 with plastic cable gland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical certification II 2 G EEx ia IIC T6 acc. to ATEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EAA CSA Approved For Intrinsic Safety Class I, Zone 0 or 1, Groups IIC, IIB, IIA and Class I, Division 1, Groups A, B, C, D, Hazardous Locations Indoors And Outdoors . . . . . . . . . . CAA without . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ZZZ Attachment kit order as auxiliary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N Options Tag.No. Labeling Stamped with weather resistant color. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -G Stainless steel label fixed with wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -L Example: Footnote (b) Only available with ZZZ SGE985 -S 7 ZZZ N -G Auxiliary see EVE9902 Tube fittings see EOO9001 MODEL CODES ACCESSORIES Attachment kit EBZG For diaphragm actuators with casting yoke acc. NAMUR. (incl. standard Couple Lever) (for SRP981, SRI983, SMP981, SMI983, SGE985) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . For diaphragm actuators with pillar yoke acc. NAMUR. (incl. standard Couple lever) (for SRP981, SRI983, SMP981, SMI983, SGE985) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . For rotary actuators, without flange, 3 drill holes 6.5 mm (for SRP981, SRI983, SRI986, SMP981, SMI983, SGE985) . For rotary actuators, without flange, 4 threads M6 (e.g for Petras actuators) (for SRP981, SRI983, SRI986, SMP981, SMI983, SGE985). . . . . . . . . . . . . . . . . . . . . . . . . . . . . For rotary actuators, with flange (for SRP981, SRI983, SRI986, SMP981, SMI983, SGE985) . . . . . . . . . . . . . For rotary actuators acc. to VDI/VDE 3845, with shaft (for SRP981, SRI983, SRI986, SMP981, SMI983, SGE985). . . For Masoneilan type Camflex II (for SRP981, SRI983, SRI986, SMP981, SMI983, SGE985). . . . . . . . . . . . . . For Masoneilan type 37/38, Fisher Elliott type 656, 667 (for SRP981, SRI983, SGE985, SMI983, SMP981) . . . . . . For Masoneilan type 87/88 (for SRP981, SRI983, SMP981, SMI983, SGE985) . . . . . . . . . . . . . . . . . . . . For Masoneilan VariPak (for SRP981, SRI983, SGE985, SMI983, SMP981). . . . . . . . . . . . . . . . . . . . . . For IAL actuators (for SRP981, SRI983, SGE985, SMI983, SMP981) . . . . . . . . . . . . . . . . . . . . . . . . . Brackets VDI/VDE 3845 (A = 130 mm/5.12 in; B = 50 mm/1.97 in) (for SRP981, SRI983, SRI986, SGE985, SMI983, SMP981). Brackets VDI/VDE 3845 (A = 80 mm/3.15 in; B = 30 mm/1.18 in) (for SRP981, SRI983, SRI986, SGE985, SMI983, SMP981) . Brackets VDI/VDE 3845 (A = 80 mm/3.15 in; B = 20 mm/0.79 in) (for SRP981, SRI983, SRI986, SGE985, SMI983, SMP981) . Couple Lever / Cam Standard (a = 72 mm) (for SRP981, SRI983, SRI986, SMP981, SMI983, SGE985) . . . . . . . . . . . . . . . . . . Extended (a = 91 mm) (for SRP981, SRI983, SRI986, SMP981, SMI983, SGE985) . . . . . . . . . . . . . . . . . . Inverse equal percentage cam for rotary actuators (for SRP981, SRI983, SRI986) . . . . . . . . . . . . . . . . . . . Adapter Adapter 1/2" NPT to 3/4" NPT (stainless steel) . . . . . . . . . . . . . . . . . Adapter M20 x 1.5 to G1/2" (internal thread) (stainless steel) . . . . . . . . . . Adapter M20 x 1.5 to 1/2" - 14 NPT (internal thread) (brass with nickel coating) Adapter M20 x 1.5 to 1/2" - 14 NPT (internal thread) (stainless steel) . . . . . . Adapter (plastic) M20 x 1.5 to PG13.5 (internal thread). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AD . . . . . . . . . . . . . . . -GN -FN -PN -NN -JN -ZN -RN -TN -EN -MN -VN -C3 -C2 -C1 -AN -BN -CN -A3 -A8 -A5 -A6 -A9 PSS EVE0201 A-(en) SGE985 DIMENSIONS L im it s w itc h 9 1 3 .5 1 m m in 8 8 3 .4 6 1 0 5 4 .1 3 7 2 2 .8 3 5 0 1 .9 7 1 6 ,5 .6 5 .3 5 8 ,5 .3 3 M 6 4 0 1 .5 7 1 5 .5 9 4 3 ,5 1 .7 1 1 0 5 4 .1 3 L im it s w itc h , fr o n t v ie w L in e e n tr y v ia s c r e w e d g la n d L im it s w itc h , fr o n t v ie w , c o v e r r e m o v e d 2 w ir e te c h n iq u e A 4 2 C o n n e c tin g b lo c k 3 w ir e te c h n iq u e A B 4 1 5 2 5 1 1 2 3 B A 4 4 2 4 1 A A : 1 / 2 + B : 3 / 4 + 5 2 5 1 A 4 2 2 5 1 P ro b e P ro b e 4 1 D C 4 2 5 2 B 4 1 1 D C B m ic r o s w itc h 3 5 1 A D C 4 B B 5 2 5 6 SGE985 PSS EVE0201 A-(en) ATTACHMENT KIT FOR DIAPHRAGM ACTUATORS Attachment to casting yoke according to IEC 534-6 (NAMUR) Code EBZG-GN Attachment to pillar yoke according to IEC 534-6 (NAMUR) Code EBZG-FN 54 2.13 2 pieces 8 .3 71 2.80 54 2.13 71 2.80 43 1.69 20 ... 35 .79 ... 1.38 M8 72 2.83 83 3.27 91 3.58 Mounting bracket according to IEC 534-6 (NAMUR) for Code EBZG-GN, FN 96 3.78 9 .35 4 .16 43 1.69 14 .55 .31 +.01 7,9 +0,2 6 .24 20 .78 49,5 1.95 2,5 .10 Feedback lever Code EBZG-AN, -FN, -GN Code EBZG-BN (extended version) 10 .39 mm in 8 .31 M6 9 .35 30 43 1.69 Carrier bolt for attachment to valve stem 116 4.57 65 2.56 8 .31 52 2.05 21 .83 6,5 .26 11 .43 71 2.80 53 2.08 53 2.08 80 3.15 72 2.83 10 .39 PSS EVE0201 A-(en) 7 SGE985 ATTACHMENT KIT FOR ROTARY ACTUATORS With shaft (according to VDI/VDE 3845) Code EBZG-ZN Housing dimensions Attachment kit with shaft resp. without flange Code EBZG-NN 118 4.65 43 1.69 16 H8 .63 64 2.52 12 .47 28 +0,5 1.10 +.02 4,5 .18 8 .31 Z 6 .53 167 6.57 13,5 .53 Without flange Code EBZG-NN, -PN 118 4.65 Housing dimensions Attachment kit without flange Code EBZG-PN 43 1.69 M6 x 20 (2x) DIN 912 30 1.18 6,5 / .26 64 2.52 22 .87 99 3.90 12 .47 12 0 15 0,2 .59 .01 12 .47 M6 M6 Y 11 .43 Adaption of the actuator drive shaft end and correct axial location by client ! 16 .63 95 3.74 45 0,2 1.77 .01 14 - 6 tief .55 - .24 deep 1,2 .05 Detail Y 99 3.90 30 1.18 14 .55 4 .16 M6 50 1.97 M6 x 20 (2x) DIN 912 Detail Z 95 3.74 167 6.57 14 ... 15,5 .55 ... .61 *) with gauges (Option) With flange Code EBZG-JN 47 54 1.85 2.13 86 3.39 6 .24 10 .39 12 .47 60 0,2 2.36 .01 75 0,2 2.95 .01 50 1.97 63 2.48 6 .2 ,5 6 mm in 10 .39 3 .12 5 20 70 2.76 99 3.9 158 6.22 M6 x 20 (2x) DIN 912 167 6.57 Rotation angle max 120˚; torque requirement 14 Nm 8 SGE985 PSS EVE0201 A-(en) Subject to alterations - reprinting, copying and translation prohibited. Products and publications are normally quoted here without reference to existing patents, registered utility models or trademarks. The lack of any such reference does not justify the assumption that a product or symbol is free. FOXBORO ECKARDT GmbH Postfach 50 03 47 D-70333 Stuttgart Tel. # 49(0)711 502-0 Fax # 49(0)711 502-597 http://www.foxboro-eckardt.com DOKT 535 792 026