Emerson Fisher 3582 Instruction Manual Download Page 46

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Instruction Manual

D200138X012

3582, 582i, and 3583

January 2013

For Units Without Bypass (figure 25)

Key

Description

Non‐Bypass Block Assembly
Std. const.
3582A, 3582C, 3582G
3583, 3582C
Hi‐temp. const.
3582A, 3582C
3583C
3582NS

Key

Description

Part Number

34A Bypass Block, aluminum
34C* Gasket

Std. const., chloroprene

1V606204132

Hi‐temp. const.

1V6062X0012

3582NS, EPDM

17B4780X012

34D Manifold

3582, std. and hi‐temp. const.
3583, std. and hi‐temp. const.

34G Cap Screw, pl steel

106 Pipe Plug, pl steel

For 3583 & 3583C (2 req'd)

Figure 25. Fisher 3582 and 3583 Block Assemblies without Bypass

21B8565‐B

21B8564‐B

21B8567‐B

21B8566‐B

21B8563‐B

3582C AND 3582NS

NOTE:
PIPE PLUG (KEY 106) ON 3583 AND 3583C ONLY.

3582A

3583C

3583

3582G

SECTIONAL

WITHOUT BYPASS

TYPICAL SECTION AA

*Recommended spare parts

Summary of Contents for Fisher 3582

Page 1: ...g Cam Position 18 Pressure Connections 18 Supply Connection 18 Output Connection 20 Instrument Connection 20 Diagnostic Connections 20 Vent 21 Electrical Connections for 3582i Valve Positioner 21 582i Converter Installation 23 Operating Information 24 Valve Positioner Cam Information 24 Valve Stem Position Transmitter Cam Information 26 continued on page 2 Figure 1 Typical Mounting for Fisher 3582...

Page 2: ...e positioner or a 3583 pneumatic valve stem position transmitter without being fully trained and qualified in valve actuator and accessory installation operation and maintenance To avoid personal injury or property damage it is important to carefully read understand and follow all of the contents of this manual including all safety cautions and warnings If you have any questions about these instru...

Page 3: ...sig Supply 0 38 normal m3 hr 14 0 scfh 2 0 bar 30 psig Supply 0 48 normal m3 hr 18 0 scfh 2 4 bar 35 psig Supply 0 54 normal m3 hr 20 0 scfh 3582i 1 4 bar 20 psig Supply 0 46 normal m3 hr 17 2 scfh 2 0 bar 30 psig Supply 0 57 normal m3 hr 21 4 scfh 2 4 bar 35 psig Supply 0 64 normal m3 hr 23 8 scfh Maximum Supply Air Demand 1 4 bar 20 psig Supply 4 4 normal m3 hr 164 5 scfh 2 0 bar 30 psig Supply ...

Page 4: ...rtification specific information Hazardous Area Classification for 3582 3582 valve positioners comply with the requirements of ATEX Group II Category 2 Gas and Dust Note This rating does not apply to the 3582i Pressure Gauges 40 mm 1 5 inch diameter with plastic case and brass connection J triple scale PSI MPa and bar or J dual scale PSI and kg cm2 Pressure Connections 1 4 18 NPT Electrical Connec...

Page 5: ...y with the requirements of ATEX Group II Category 2 Gas and Dust Pressure Connections Supply and output pressure connections are 1 4 NPT internal Maximum Valve Stem Travel 105 mm 4 125 inches adjustable to obtain full output signal with lesser stem travels Cam Linear Approximate Weight 2 5 kg 5 5 pounds NOTE Specialized instrument terms are defined in ANSI ISA Standard 51 1 Process Instrument Term...

Page 6: ...ormation on the different valve positioner or valve stem position transmitter constructions If the type number is not known refer to the nameplate on the positioner For the location of the nameplate refer to key 25 in figure 21 3582 Pneumatic valve positioner with bypass and instrument supply and output pressure gauges 3582A Pneumatic valve positioner without bypass and without pressure gauges 358...

Page 7: ...nnected equipment The unit will vent natural gas into the surrounding atmosphere unless it is remote vented WARNING Always wear protective clothing gloves and eyewear when performing any installation operations to avoid personal injury If installing into an existing application also refer to the WARNING at the beginning of the Maintenance section in this instruction manual Check with your process ...

Page 8: ...ure it is calibrated If the valve positioner or valve stem position transmitter requires alignment or calibration refer to the appropriate calibration instructions in this manual If the valve positioner or valve stem position transmitter is ordered separately disconnected or removed from the actuator refer to the appropriate sections of this manual for installation information Hazardous Area Class...

Page 9: ... Division 2 GP F G T6 T6 Tamb 71 C CSA Type 3 Encl 1 These hazardous area classification also apply to 3582i positioners FM Intrinsically Safe Explosion proof Type n Non incendive Dust Ignition proof No special conditions for safe use Refer to table 5 for additional information figure 30 for the FM loop schematic and figure 29 for a typical CSA FM approval nameplate Table 5 Hazardous Area Classifi...

Page 10: ...nufacturer for information on the dimensions of the flameproof joints Electrical connections are typically made using either cable or conduit D If using a cable connection the cable entry device shall be certified in type of explosion protection flameproof enclosure d suitable for the conditions of use and correctly installed For ambient temperatures over 70_C cables and cable glands suitable for ...

Page 11: ...ically Safe Gas Ex ia IIC T4 T5 T6 Ui 30 VDC Ii 150 mA Pi 1 25 W Ci 0 nF Li 0 mH T4 Tamb 71 C T5 Tamb 62 C T6 Tamb 47 C IP64 Dust Ex iaD 20 IP64 T109 C Tamb 71 C T100 C Tamb v 62 C T85 C Tamb 47 C II 2 G D Flameproof Gas Ex d IIC T6 T6 Tamb 71 C IP64 Dust Ex tD A21 IP64 T74 C Tamb 71 C II 3 G D Type n Gas Ex nA IIC T6 T6 Tamb 71 C IP64 Dust Ex tD A21 IP64 T74 C Tamb 71 C 1 These hazardous area cla...

Page 12: ...ower before opening 40_C Ta 71_C T6 Ta 71_C Refer to table 7 for approval information and figure 31 for a typical ATEX IECEx approval nameplate Table 7 Hazardous Area Classifications for Fisher 582i Converter 1 IECEx Certificate Certification Obtained Entity Rating Temperature Code Enclosure Rating IECEx Intrinsically Safe Gas Ex ia IIC T4 T5 T6 Ui 30 VDC Ii 150 mA Pi 1 25 W Ci 0 nF Li 0 mH T4 Tam...

Page 13: ...sitioner or valve stem position transmitter on an actuator by another manufacturer provide spacers if necessary by cutting sections from 1 2 or 3 8 inch pipe so that the X dimension matches the value given in figure 3 Figure 2 Mounting Assembly 41B8569 D SHT 1 AND 2 657 657MO 667 667MO SIZE 80 UP TO 51 mm 2 IN TRAVEL 657 SIZE 70 87 UP TO 51 mm 2 IN TRAVEL 67CFR 657 657MO 667 667MO SIZE 100 ALL TRA...

Page 14: ... lock and holder into the slot in the connector arm key 48 Screw the cap nut key 62 onto the pin lock key 59 but do not tighten 9 With the actuator at its mid travel position lift the rotary shaft arm so that the 0 degree index marks on the rotary shaft arm are aligned with the case index marks as shown in figure 6 CAUTION Never set the travel pin at a setting that is less than the actual actuator...

Page 15: ...e respective case index mark at each end of actuator travel Figure 3 Spacing for Mounting on Other than Fisher Actuators STEM TRAVEL X 9 5 mm 0 375 Inch Stem 12 7 mm 0 5 Inch Stem 19 1 mm 0 75 Inch Stem Millimeters 29 or less 38 51 64 76 81 90 102 113 124 87 97 108 119 130 100 109 121 132 143 89 102 135 146 141 152 154 165 Inches 1 125 or less 1 5 2 2 5 3 3 19 3 56 4 00 4 44 4 88 3 44 3 81 4 25 4 ...

Page 16: ...LUG STEM Figure 5 Mounting Plates Used with Fisher 3582 Valve Positioners and 3583 Valve Stem Position Transmitters BF2635 B MOUNTING PLATE FOR MOUNTING POSITIONER WITH INTEGRALLY MOUNTED FILTER REGULATOR MOUNTING PLATE FOR MOUNTING POSITIONER WITH SEPARATELY MOUNTED FILTER REGULATOR HOLES FOR MOUNTING PLATE TO ACTUATOR HOLES FOR MOUNTING POSITIONER TO PLATE SET NO 1 SET NO 2 SET NO 3 SET NO 4 HOL...

Page 17: ... Normal 657 4 Without Side Mounted Handwheel 70 102 4 3 Inverted 70 51 52 76 78 102 2 2 0625 3 3 0625 4 2 3 3 1 2 1 Normal Normal Inverted 4 657 4 With Side Mounted Handwheel 70 87 102 102 4 4 2 1 Inverted Inverted 80 76 3 2 2 Normal 657 8 30 34 40 40 54 54 79 89 2 125 2 125 3 125 3 5 3 3 3 3 Normal Normal Normal Normal 87 51 52 76 78 102 2 2 0625 3 3 0625 4 2 2 3 2 2 1 Normal Normal Inverted 4 46...

Page 18: ...r bracket Details on cam characteristics can be found on page 24 in the cam information portion of the operating information section Pressure Connections WARNING Valve positioners and valve stem position transmitters are capable of providing full supply pressure to connected equipment To avoid personal injury or equipment damage caused by parts bursting from system overpressure make sure the suppl...

Page 19: ...NN PLUGGED 1 4 18 NPT OUTPUT CONN 1 4 18 NPT SUPPLY CONN 1 4 18 NPT OPTIONAL OUTPUT CONN PLUGGED 3 8 18 NPT VENT CONN 1 2 14 NPT CONDUIT CONN 1 4 18 NPT OUTLET CONN PLUGGED 1 4 18 NPT SUPPLY CONN 3 8 18 NPT VENT CONN 1 4 18 NPT OUTPUT CONN CL OF ACTUATOR 3582i 1 4 18 NPT OUTPUT CONN CAUTION Use a clean dry oil free air supply with instruments containing EPDM components EPDM is subject to degradati...

Page 20: ...at indicates valve stem position Instrument Connection For a 3582 pneumatic valve positioner connect 3 8 inch tubing from the control device to the 1 4 NPT INSTRUMENT connection If the control device is mounted on the control valve assembly by the factory this connection is made The 3582i electro pneumatic valve positioner requires a 4 20 milliampere DC current input signal from the control device...

Page 21: ... nameplate normally covers this opening to prevent blockage from debris or insects Also ensure the exhaust holes in the relay key 32 in figure 21 are kept open If a remote vent is required the vent line must be as short as possible with a minimum number of bends and elbows The vent connection is 3 8 NPT internal Use 3 8 inch or larger tubing to provide a remote vent The 582i has a 1 4 NPT internal...

Page 22: ... wire from the control device to the converter positive terminal and the negative wire from the control device to the converter negative terminal Do not overtighten the terminal screws Maximum torque is 0 45 NSm 4 lbfSin Connect the converter grounding terminal to an earth ground Figure 9 Typical Field Wiring Diagram A3875 FIELD WIRING EARTH GROUND NOTES FOR TROUBLESHOOTING OR MONITORING OPERATION...

Page 23: ...rotect against process media Note Before planning to retrofit an installed 3582 positioner refer to the positioner mounting plate illustrations shown in figure 5 Mounting plates with a three hole mounting pattern positioner to mounting plate cannot support a 582i converter Do not attempt to mount a 582i converter on an existing 3582 positioner which has a three hole mounting pattern Isolate the co...

Page 24: ... manual 11 Complete the standard calibration procedure described in the calibration section of this manual 12 Return the control valve package to service Operating Information Instructions for setting the zero and span are found in the calibration section Valve Positioner Cam Information Note The small arrow on the valve positioner cam must point in the direction of stem movement with increasing a...

Page 25: ...RESSURE SPAN REVERSE ACTING POSITIONER DIRECT ACTING POSITIONER Figure 13 Flow Characteristics with Different Cams and Equal Percentage Valve Plug CK4835 A PERCENT INSTRUMENT PRESSURE SPAN INSTRUMENT PRESSURE FLOW CHARACTERISTIC WITH EQUAL PERCENTAGE VALVE PLUG AT CONSTANT PRESSURE DROP PERCENT FLOW NORMALLY CLOSED VALVE NORMALLY OPEN VALVE REVERSE ACTING POSITIONER DIRECT ACTING POSITIONER CAM A ...

Page 26: ... the 3583 valve stem position transmitter There is always a linear relationship between stem travel and the stem position transmitter output Valve Positioner Bypass Operation 3582 and 3582D valve positioners and 3582NS positioners with bypass are supplied with a bypass assembly A handle on the bypass assembly permits selecting positioner or bypass operation Refer to figure 24 for key number locati...

Page 27: ...ar 24 psig 0 07 bar 1 psig 2 4 bar 35 psig Red 1V621927012 1 Minimum and maximum allowable input signals ensure functional operation 2 For 3582i only Valve Positioner Split Range Operation 3582 valve positioners and the 3582i valve positioner are suitable for split range operations In split range operation the input signal either pneumatic or DC current from a single control device is split betwee...

Page 28: ...ter than the valve travel the input signal change required to fully stroke the valve can be reduced to a minimum of 20 percent of normal input signal change Changing Valve Positioner Action Converting a 3582 valve positioner or 3582i valve positioner from direct acting an increasing input signal either pneumatic or electrical increases output pressure to reverse acting increasing input signal decr...

Page 29: ... applicable for both 3582 and 3582i valve positioners and 3583 valve stem position transmitters WARNING During calibration the valve may move To avoid personal injury or property damage caused by the release of pressure or process fluid provide some temporary means of control for the process Beam Alignment Note The beam is leveled at the factory prior to shipment Once the beam is leveled no additi...

Page 30: ... to the actuator pressure connection 4 Connect the input to the valve positioner and set the input signal value at midrange For example for a 3582 valve positioner with a 0 2 to 1 0 bar 3 to 15 psig input signal range set the input signal at 0 6 bar 9 psig Then apply supply pressure to the valve positioner 5 Move the flapper assembly to zero on the beam scale The 0 degree index marks on the rotary...

Page 31: ... to make the desired input signal value correspond to the starting point of travel 3 Apply an input signal equal to the low value of the input signal range For example for a 3582 valve positioner with a 0 2 to 1 0 bar 3 to 15 psig input signal range set the input signal at 0 2 bar 3 psig Loosen the nozzle locknut and adjust the nozzle until the actuator moves to the proper end of its travel Changi...

Page 32: ...the beam The beam pivots about the input axis moving the flapper closer to the nozzle The nozzle pressure increases and through relay action increases the output pressure to the actuator The increased output pressure to the actuator causes the actuator stem to move downward Stem movement is fed back to the beam by means of a cam As the cam rotates the beam pivots about the feedback axis to move th...

Page 33: ...alve positioner The 582i contains an I P module which provides a pneumatic output proportional to a DC current input signal The DC current input operates coils in a force balanced beam system which in turn control bleed air through an integral nozzle flapper arrangement The nozzle pressure provides the pneumatic input signal pressure used by the pneumatic valve positioner Figure 18 Schematic Illus...

Page 34: ...lay A fixed restriction in the relay limits flow to the nozzle so that when the flapper is not restricting the nozzle air can bleed out faster than it is being supplied Figure 19 Schematic Illustration of Fisher 3583 Transmitter OUTPUT TO STEM POSITION INDICATOR OR RECORDER RELAY BELLOWS INPUT AXIS NOZZLE FLAPPER BEAM FEEDBACK AXIS CAM OPERATIONAL QUADRANT ROTARY SHAFT ARM TRAVEL PIN 22A7964 A A24...

Page 35: ...atmosphere Personal injury or property damage may result from fire or explosion if appropriate preventive measures are not taken Preventive measures may include but are not limited to one or more of the following ensuring adequate ventilation and the removal of any ignition sources D Use bypass valves or completely shut off the process to isolate the valve from process pressure Relieve process pre...

Page 36: ...lve stem position transmitter 1 Unhook the extension springs keys 27 77 from the beam key 29 2 Loosen and remove the two screws key 13 and lock washers key 12 that hold the bellows assembly key 7 in place 3 Lift out the beam and bellows assembly Be careful not to lose the small O ring key 11 4 Loosen the machine screw key 10 and remove the range spring key 8 5 Install a new range spring making sur...

Page 37: ...er and follower assembly keys 19B and 19G to the adjustment arm key 19A CAUTION For proper operation be careful not to bend or twist the flapper or nick the nozzle orifice during reassembly 2 Carefully remove the flapper and follower assembly for access to the nozzle key 18 in figure 21 3 Loosen the locking nut key 71 and unscrew the nozzle key 18 4 Remove the locking sleeve key 72 from the nozzle...

Page 38: ...gure 20 1 Loosen the two screws key 19C 2 Tighten the pivot pin key 19L by compressing the upturned ears of the arm support key 19K Tighten the screws key 19C and make sure the flapper key 19B does not rub on the supports 3 The flapper should be snug but not constricting to pivot action Replacing the 582i Converter Primary O Ring and Filter Key numbers used in this procedure are shown in figure 26...

Page 39: ...ecessary Apply lubricant key 15 to the O ring before replacing 7 Remove the two screws key 11 holding the 582i converter to the valve positioner case Remove the converter from the valve positioner case key 1 in figure 21 Inspect the gasket key 20 and replace it if necessary Reassembling the 582i Converter During the following converter reassembly procedures refer to figure 26 for key number locati...

Page 40: ...may void your warranty might adversely affect the performance of the instrument and could cause personal injury or property damage Parts Kits Description Part Number Repair kit for positioner transmitter not for 3582NS Kit contains keys 11 16 17 33B 34C 73 and 104 This kit also contains keys 18C 18E and 18F for 3580 and 3581 positioners For standard temperature applications R3580X00022 For high te...

Page 41: ... 3583C 4 Cam SST nitride for 3582NS and high vibration Cam A for all types Cam B For all except 3583 3583C Cam C For all except 3583 3583C 6 Cam Bolt 416 SST 7 Bellows Assembly Standard brass 13B8783X012 For sour gas 13B8783X022 8 Range Spring pl steel see table 9 0 2 to 1 0 bar 3 to 15 psi 0 4 to 2 0 bar 6 to 30 psi 9 Spring Seat aluminum 10 Machine Screw pl steel Key Description Part Number 11 O...

Page 42: ...y 2013 42 Figure 21 Fisher 3582 and 3583 Positioners and Transmitters Assembly Drawing 41B8558 E NOTE APPLY A GOOD QUALITY THREAD LOCKING COMPOUND TO THE THREAD OF THE NOZZLE ADAPTOR KEY 3 1 1 C A A B C B SECTION B B SECTION C C SECTION A A TYPICAL CAM KEY 4 ...

Page 43: ...n steel 316 SST 36 Output Gauge Dual Scale 3582 3582G 3583 0 30 psig 0 2 kg cm2 11B4040X042 0 60 psig 0 4 kg cm2 11B4040X052 Figure 23 83L Relay UNITS STAMPED WITH AN H INDICATE HIGH TEMPERATURE CONSTRUCTION 32B0255 B Key Description Part Number 36 Output Gauge Triple Scale 3582 3582G 3583 0 30 psig 0 0 2 MPa 0 2 bar 11B4040X012 0 60 psig 0 0 4 MPa 0 4 bar 11B4040X022 37 Supply Gauge Dual Scale 35...

Page 44: ...nti Seize sealant not furnished with positioner 94 Lubricant silicone sealant not furnished with positioner 95 Lubricant All except 3582NS Lithium grease not furnished with positioner 3582NS Molykotet 33 grease not furnished with positioner Key Description Part Number 96 Adhesive Loctitet 680t Retaining Compound not furnished with positioner 103 O Ring nitrile not shown used with integrally mounte...

Page 45: ...Key Description Part Number 34A Bypass Block aluminum 34B Groove Pin pl steel not shown 4 req d 1L942828992 34C Bypass Gasket 3582 3582D chloroprene 1V606204132 3582NS EPDM 17B4780X012 34D Bypass Handle aluminum 34E Spring pl steel 34F Washer polyethylene 34G Screw pl steel 34K Spring Seat SST 34L Spring Retainer pl steel Figure 24 Fisher 3582 Block Assembly with Bypass 21B8560 B 21B8562 B 3582 35...

Page 46: ...t Std const chloroprene 1V606204132 Hi temp const 1V6062X0012 3582NS EPDM 17B4780X012 34D Manifold 3582 std and hi temp const 3583 std and hi temp const 34G Cap Screw pl steel 106 Pipe Plug pl steel For 3583 3583C 2 req d Figure 25 Fisher 3582 and 3583 Block Assemblies without Bypass 21B8565 B 21B8564 B 21B8567 B 21B8566 B 21B8563 B 3582C AND 3582NS NOTE PIPE PLUG KEY 106 ON 3583 AND 3583C ONLY 35...

Page 47: ...e Dual Scale 0 30 psig 0 2 kg cm2 11B4040X042 0 60 psig 0 4 kg cm2 11B4040X052 14 Supply Gauge Triple Scale 0 30 psig 0 0 2 MPa 0 2 bar 11B4040X012 0 60 psig 0 0 4 MPa 0 4 bar 11B4040X022 15 Lubricant Lithium grease not furnished with positioner 16 Anti seize sealant not furnished with positioner 18 Self Tapping Screw SST 2 req d 19 Nameplate SST without 3rd party approvals 20 Case Gasket cork 22 ...

Page 48: ...eel 657 w o side mtd h wheel continued Size 70 2 req d up to 76 mm 3 inch travel 78 to 102 mm 3 0625 to 4 inch travel Sizes 80 87 2 req d Size 100 2 req d 657 4 2 req d w o side mtd h wheel Size 70 w side mtd h wheel Size 70 Size 87 667 w o side mtd h wheel Sizes 30 34 40 2 req d Size 45 thru 70 100 2 req d Size 80 2 req d Size 87 up to 51 mm 2 inch travel 52 to 76 mm 2 0625 to 3 inch travel 78 to...

Page 49: ...667NS All except size 80 3 req d Size 80 none req d 667 4 w or w o side mtd h wheel Sizes 70 87 52 Pipe Plug 316 SST 54 Elbow 3 8 inch brass specify quantity 55 Connector 3 8 inch brass not shown specify quantity 56 Cap Screw pl steel 2 req d 657NS or 667NS Sizes 40 45 70 All other types Key Description Part Number 57 Hex Nut 657NS or 667NS Size 80 none req d All other types and sizes 2 req d 58 L...

Page 50: ... 76 mm 2 0625 to 3 inch travel 2 req d 78 to 102 mm 3 0625 to 4 inch travel none req d w or w o side mtd h wheel Size 80 up to 51 mm 2 inch travel 2 req d over 51 mm 2 inch travel none req d All other types and sizes none req d 98 Stud continuous thread steel 2 req d 657 or 667 w side mtd h wheel Size 70 87 up to 76 mm 3 inch travel 2 req d 78 to 102 mm 3 0625 to 4 inch travel none req d w or w o ...

Page 51: ... Part Number 50 Spacer steel 657 Size 70 87 up to 76 mm 3 inch travel none req d 77 to 102 mm 3 0625 to 4 inch travel 4 req d 667 Size 70 87 up to 51 mm 2 inch travel none req d 52 to 76 mm 2 0625 to 3 inch travel 4 req d 77 to 102 mm 3 0625 to 4 inch travel 4 req d 657 Size 70 87 up to 76 mm 3 inch travel none req d 657 or 667 Sizes 30 thru 60 80 none req d Size 100 4 req d up to 64 mm 2 5 inch t...

Page 52: ... Screw pl steel 4 req d 657 Size 70 87 Up to 76 mm 3 inch travel 78 to 102 mm 3 0625 to 4 inch travel 667 Size 70 87 Up to 51 mm 2 inch travel 52 to 76 mm 2 0625 to 3 inch travel 77 to 102 mm 3 0625 to 4 inch travel Key Description 70 Cap Screw pl steel 4 req d continued 657 or 667 Sizes 30 thru 60 80 Size 100 up to 64 mm 25 inch travel 65 to 102 mm 2 5625 to 4 inch travel 71 Stud continuous threa...

Page 53: ...ass 55 Connector 3 8 inch brass not shown 59 Pin Lock SST 2 req d Key Description Part Number 60 Travel Pin SST 2 req d 10A2167X012 61 Pin Holder SST 2 req d 62 Cap Nut SST 2 req d 63 Mounting Plate steel 2 req d For integrally mounted 67CFR For separately mounted 67CFR 64 Cap Screw pl steel 8 req d 70 Cap Screw pl steel 2 req d 79 Mounting Plate steel 80 Hex Nut pl steel for 667 only 2 req d 81 L...

Page 54: ...c valve positioners For units w gauges SST fittings brass fittings For units w o gauges SST fittings brass fittings Loop Schematics Nameplates This section includes loop schematics required for wiring of intrinsically safe installations It also contains typical approvals nameplates If you have any questions contact your Emerson Process Management sales office GE28591 Rev A NOTES 1 BARRIERS MUST BE...

Page 55: ... WHEN CONNECTED TO APPROVED BARRIERS WITH ENTITY PARAMETERS 3 LOOPS MUST BE CONNECTED ACCORDING TO THE BARRIER MANUFACTURER S INSTRUCTIONS 4 MAXIMUM SAFE AREA VOLTAGE SHOULD NOT EXCEED 250 Vrms 5 RESISTANCE BETWEEN BARRIER GROUND AND EARTH GROUND MUST BE LESS THAN ONE OHM 6 NORMAL OPERATING CONDITIONS 30 VDC 20 mADC 7 FOR ENTITY INSTALLATION I S AND N I Vmax Voc or Vt Ci Ccable Ca Imax Isc or It L...

Page 56: ...erned by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice E 1989 2013 Fisher Controls International LLC All rights reserved Fisher and FlowScanner are marks owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co Emerson Process M...

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