Flowserve Logix 520MD Series, User Instruction

Page 1: ...1 User Instructions Logix 520MD LGENIM0520 01 11 09 Experience In Motion Installation Operation Maintenance Logix 520MD Series Digital Positioner FCD LGENIM0520 01 11 09 USER INSTRUCTIONS ...

Page 2: ...ssential in order to avoid faults which in themselves might directly or indirectly cause severe personal injury or property damage 1 3 Protective clothing FLOWSERVE products are often used in problematic applications e g extremely high pressures danger ous toxic or corrosive mediums In particular valves with bellows seals point to such applications When performing service inspection or repair oper...

Page 3: ...returned to FLOWSERVE for repair or service FLOWSERVE must be provided with a certificate which confirms that the product has been decontaminated and is clean FLOWSERVE will not accept deliveries if a certificate has not been provided a form can be obtained from FLOWSERVE 1 8 Storage In most cases FLOWSERVE products are manufactured from stainless steel Products not manufactured from stainless ste...

Page 4: ...e range 5 25 VDC Hysteresis 0 2 Temperature 25 C to 100 C 13 F to 212 F Type P F SJ2 SN Load current 1 mA 3 mA Voltage range 5 25 VDC Hysteresis 0 2 Temperature 40 C to 100 C 40 F to 212 F Type P F SJ2 N Load current 1 mA 3 mA Voltage range 5 25 VDC Hysteresis 0 2 Temperature 25 C to 100 C 13 F to 212 F 3 Logix 520MD Overview The Logix 520MD is a two wire 4 20 mA input digital valve positioner wit...

Page 5: ...e 3 Valve Position Sensor Filter Regulator for Supply Air 1 5 6 0 bar 22 87 psi Air Supply Micro Processor Gain Pressure Regulator Piezo Valve Pneumatic Amplifier Control Valve 4 20 amA Output 0ptional 4 20 mA HART HART digital communications over the 4 20 mA signal wires providing two way remote digital communications to the microprocessor The analog 4 20 mA command is passed to the microprocesso...

Page 6: ...DC drop across the positioner at maximum loop current 6 Tubing Positioner to Actuator After mounting has been completed tube the positioner to the actuator using the appropriate compression fitting connectors Air connections 1 4 NPT standard air connection Auxiliary power Pressurized air or permissible gases free of moisture and dust in according with IEC 770 or ISA 7 0 01 Pressure range 1 5 6 0 b...

Page 7: ...rtion of the HART communication cable capacitance and cable length restrictions must be cal culated The cable length must be limited if the capacitance is too high Selecting a cable with lower capacitance mm rating will allow longer cable runs In addition to cable capacitance the network resistance also affects the allowable cable length 65Ω Rbarrier Rwire 390Ω Example Rbarrier 300 Ω if present Rw...

Page 8: ...tatus or alarm conditions there are three LEDs on the local user interface 9 2 Initial DIP Switch Setting Before placing the unit in service set the DIP switches in the Configuration and Cal boxes to the desired control options NOTE The switch settings in the Configuration box are activated only by pressing the Quick Cal button or by utilizing the stroke calibration features provided by a handheld...

Page 9: ...ngprovidesforoptimumresponsetimeswhenused with most low friction control valves Placing the switch to the right optimizes the response for valves and actuators with high friction levels This setting slightly slows the response and will normally stop limit cycling that can occur on high friction valves 9 3 Calibration switches 9 3 1 Setup of the Cal DIP Switch for the Quick Calibration operating mo...

Page 10: ...set the command source to analog 4 20 mA 9 7 Special settings Several adjustments to the Logix 520 such as split range MPC soft stop etc cannot be set using the local interface To set these parameters please use ValveSight DTM software or a HART handheld 10 4 20 mA Analog Output Board The Logix 520MD digital positioner can be supplied to provide an analog feedback signal of the stem position This ...

Page 11: ... Feedback Current Loop Logix Output Position Command Current Loop Logix Input CAUTION Isolated Power Sources Required 12 VDC to 40 VDC Spannungs quelle 4 to 20 mA Current Source 4 20 OUT 11 12 31 32 Figure 6 4 20 mA Analog Output Board Figure 5 Analog Output Board Power ...

Page 12: ...edtothepositionerwhendelivered but can be retrofitted Fit 3 spacer screws 1 to positioner housing Place PC board 2 on spacer screws 1 secure with 3 mounting screws 3 Switches Figure 8 Install vane assembly 4 and secure with 2 screws For electrical connect see Figure 8 WARNING For units installed in Hazardous areas special installation cautions and procedures are required 11 4 Adjusting switches Us...

Page 13: ...entify the specific limit that has been reached For valve accumulators indications follow routine procedures for maintenance when the limit is reached such as checking the packing tightness and checking linkages for wear misalignment and tightness After maintenance reset the cycle accumulator See DTM screen Health Status Positioner Health This indicator can be disabled For spool valve accumulators...

Page 14: ...ightened packing linkages or other valve actuator mechanical issues Determine if the friction is significantly interfering with the valve control If not consider increasing the friction warning limit Consider the following to reduce friction Stroke the valve to clear off build up Clear any external mechanical ob struction loosen the packing clean the stem repair or replace the actuator Highly loca...

Page 15: ...n the spool Clean or replace the spool assembly Replace the piezo or driver module assem bly Maintain a clean water free air gas supply See DTM screen Health Status Positioner Health This indicator can be disabled RRGY FRICTION LOW ALARM user set indicates the friction has passed below the user set limit The alarm indicates a more severe condition than the warning Check for a packing leak Tighten ...

Page 16: ...d mode with ValveSight to analog commands DTM software or handheld communicator 2 Error occurred during calibration 2 Correct calibration error Recalibrate Valve position reading 1 Stem position sensor mounting 1 Reposition sensor is not what is expected is off 180 degrees 2 Stroke not calibrated 2 Calibrate stroke 3 Tight shutoff MPC Minimum 3 No action position cutoff is active 4 Custom characte...

Page 17: ...0 Relay Module Assembly 40ºC to 85ºC 40ºF to 185ºF 218773 999 000 4 Repair kit for Potentiometer Assembly 218774 999 000 5 Position Feedback Assembly 218774 999 000 8 Follower Arm Assembly Max stroke 65 mm 214323 999 000 Max stroke 110 mm 214322 999 000 Mounting Kits Description Part No IEC534part6 FloTop Kämmer KA Kämmer KP and standard NAMUR linear valves 213619 999 000 Rotary VDI VDE 3845 DIN I...

Page 18: ...W BACK VIEW D SHAFT OPTION STANDARD 6 85 174 10 3 94 100 00 2 25 57 20 2 25 57 20 2 52 64 10 2 09 53 00 1 13 28 60 1 13 28 60 70 17 70 1 39 35 40 1 39 35 40 70 17 70 M8X1 25 OR 5 16 18UNC M6 G1 4 OR 1 4 NPT M20X1 5 OR 1 2 NPT EXTERIOR GROUNDING SCREW 90 22 95 39 10 00 09 2 31 1 3 32 00 4 10 00 2 4 00 2 4 00 2 4 80 N SHAFT OPTION VDI VDE 3845 NAMUR M8 INCH MM ...

Page 19: ... GA GAUGE ADAPTER 3 94 100 00 8 54 216 87 TWO PRESSURE GAUGES 1 4 NPT AUXILIARY OPTIONS GM GAUGE MANIFOLD 3 94 100 00 2 50 63 50 1 88 47 63 6 83 173 50 5 03 127 69 DOMED INDICATOR POSITION INDICATOR D DOMED INDICATOR FIG 6 DIMENSIONAL DRAWING FOR OPTIONS INCH MM Figure 11 Dimensional Drawing for the Logix 520MD with options ...