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Page 74

Milltronics SF 500 - INSTRUCTION MANUAL

7ML19985CN01

mmmmm

Communi

cat

ions

P779 Modem idle time 

Sets the time in seconds that the SF 500 will keep the modem connected even though no 
activity is happening.

To use this parameter ensure that P778=1.

This parameter allows for reconnection to the SF 500 unit after an unexpected 
disconnect. Ensure that the value is low enough to avoid unnecessary delays when an 
unexpected disconnect occurs but long enough to avoid timeout while you are still 
legitimately connected.

Hanging Up

If the line is idle and the P779 Modem Inactivity Timeout expires then the modem is 
directed to hang up the line. This is done with the Hayes commands:

•

two second delay

•

+++

•

two second delay

•

ATH

Ensure that P779 is set longer than the standard polling time of the connected master 
device.

0 disables the inactivity timer.

Values

0-9999: 0 (

f

 = 1)

P780 RS-232 Transmission interval

Sets the interval between transmissions to be applied to the selected port, ports 1 to 3 
(P780-01 to –03).

Enter the period in minutes. (

f

 = 0)

Note:

 Applicable only to ports programmed for printer communication

(parameter 770).

Summary of Contents for Milltronics SF 500

Page 1: ...Instruction Manual September 2003 SF 500 milltronics ...

Page 2: ...n electronic version We encourage users to purchase authorized bound manuals or to view electronic versions as designed and authored by Siemens Milltronics Process Instruments Inc Siemens Milltronics Process Instruments Inc will not be responsible for the contents of partial or whole reproductions of either bound or electronic versions While we have verified the contents of this manual for agreeme...

Page 3: ... and Modems 13 RS 485 Port 2 13 Daisy Chain 13 Terminal Device 13 Remote Totalizer 14 Relay Output 15 Power Connections 15 mA I O Board 16 Installing Replacing the Memory Back up Battery 16 Installing Optional Plug in Boards 17 To Install a Plug in Board 17 Modes of Operation 18 Display and Keypad 18 RUN Mode 20 PROGRAM Mode 20 PROGRAM Mode Display 20 Entering PROGRAM mode 21 Start Up 23 Power Up ...

Page 4: ... Totalization 51 PID Control 53 Hardware 53 Connections 53 Setpoint Controller Rate Control 54 Setpoint Controller Rate and Additive Control 55 Setpoint Controller Master Slave Control 56 SF 500 Master 57 SF 500 Slave 57 Setup and Tuning 58 Proportional Control Gain P 58 Integral Control Automatic Reset I 58 Derivative Control Pre Act or Rate D 59 Feed Forward Control F 59 PID Setup and Tuning 60 ...

Page 5: ...7 Modbus RTU vs ASCII 77 Modbus Format 78 Modbus Register Map 78 Modbus Register Map cont d 80 Modems 88 Error Handling 90 Parameters 92 Start Up P001 to P017 92 Relay Alarm Function P100 P117 95 mA I O Parameters P200 P220 98 Calibration Parameters P295 360 102 On line Calibration Options P355 to P358 103 Linearization Parameters P390 P392 106 Proportional Integral Derivative PID Control Paramete...

Page 6: ...iv mmmmm Table of Contents ...

Page 7: ...isolated mA input for PID control Two programmable isolated mA output for rate PID control or on line calibration The SF 500 is flexible Rate linearization Auto zero PID control Batch control Multispan operation On line calibration PID and on line calibration control requires the optional mA I O board The SF 500 can communicate There are three communication ports on the SF 500 as standard Use the ...

Page 8: ...your SF 500 and it provides information on the following If you have any questions comments or suggestions about the manual contents please email us at techpubs siemens milltronics com For the complete library of Siemens Milltronics manuals go to www siemens milltronics com How to install the unit How to program the unit How to operate the keypad and read the display How to do an initial Start Up ...

Page 9: ...tal location indoor outdoor altitude 2000 m max ambient temperature 20 to 50 C 5 to 122 F relative humidity suitable for outdoor Type 4X NEMA 4X IP65 enclosure Installation category II pollution degree 4 Enclosure Type 4X NEMA 4X IP65 285 mm W x 209 mm H x 92 mm D 11 2 W x 8 2 H x 3 6 D polycarbonate Programming via local keypad and or Dolphin Plus interface Display illuminated 5 x 7 dot matrix li...

Page 10: ...T Conditioning Card or strain gauge type load cells 2 cells max 150 mA max remote totalizer 1 contact closure 10 300 ms duration open collector switch rated 30 Vdc 100 mA max remote totalizer 2 contact closure 10 300 ms duration open collector switch rated 240 Vac dc 100 mA max relay output 5 alarm control relays 1 form A SPST relay contact per relay rated 5 A at 250 Vac non inductive Communicatio...

Page 11: ... for interface with popular industrial communications systems refer to associated product documentation mA I O board inputs 2 programmable 0 4 20 mA for PID control optically isolated 0 1 of 20 mA resolution 200 Ω input impedance outputs 2 programmable 0 4 20 mA for PID control or rate optically isolated 0 1 of 20 mA resolution 750 Ω load max output supply unregulated isolated 24 Vdc at 50 mA shor...

Page 12: ... grounding procedures Note Non metallic enclosure does not provide grounding between connections Use grounding type bushings and jumpers 1 5 9 2 6 0 3 7 4 8 M A RUN ALT DISP PAR RESET TOTAL ZERO CLEAR SPAN ENTER 209 mm 8 2 172 mm 6 8 lid screws 6 places 92 mm 3 6 16 mm 0 6 285 mm 11 2 lid enclosure customer mounting screw mountinghole 4 places Conduit entry area Recommend drilling the enclosure wi...

Page 13: ...LOAD CELL INPUTS LCA LCB SHLD LCC LCD SHLD 11 12 13 14 15 16 17 18 19 20 V S S V SHLD SIG COM CNST EXC SHLD SPEED SENSOR EXCITATION LOAD CELL 100 V 115V 200V 230V OFF VOLT SELECT 50 60HZ SW2 MILLTRONICS VENTURE ANALOG I O PN ________ __ MADE IN CANADA PETERBOROUGH ONT K A 21 22 23 24 25 26 27 28 29 30 MA MA SHLD AUX1 AUX2 AUX3 AUX4 AUX5 COM A Z 31 32 33 34 35 36 37 38 39 40 TX COM RX SHLD T1 T1 SH...

Page 14: ...rom the parameter print out When downloading parameters with Dolphin Plus make sure that the SF 500 is in PROGRAM mode The zero and span values are included in the parameter file but you should perform new zero and span calibrations to ensure operating accuracy WARNING All field wiring must have insulation suitable for at least 250 V Supply dc terminals from SELV source in accordance with IEC 1010...

Page 15: ...ility Not all components or their maximum quantity may be required fieldbus communication RS 485 RS 232 RS 232 RJ 11 2 1 1 5 5 2 2 Milltronics SF 500 optional SmartLinx optional analog I O Solids flowmeter See Specifications page 3 mA output to customer device mA input from customer device relay output to customer device auxiliary inputs customer remote totalizer optional fieldbus connection mA ou...

Page 16: ...cell wiring colours vary from those shown or if extra wires are provided consult Siemens Milltronics 11 14 1 2 11 1 6 12 2 7 13 3 8 14 4 9 15 5 10 V S S V SHLD LOAD CELL EXCITATION LCA LCA LCB LCB SHLD LCC LCC LCD LCD SHLD LOAD CELL INPUTS load cell RED BLK GRN WHT SHL Siemens Milltronics solids flowmeter SHLD SHLD customer junction box 11 1 6 12 2 7 13 3 8 14 4 9 15 5 10 11 4 14 1 2 3 V S S V SHL...

Page 17: ...additional conductors from SF 500 terminal 12 to integrator terminal block EXC SF 500 terminal 13 to integrator terminal block EXC For further connection information on specific LVDTs consult Siemens Milltronics EXC EXC COM C T SIG Standard Red Blue Yellow Black Green Encapsulated Red Orange White Black Yellow Note A common error is missing the connection from SF 500 terminal 2 to SF 500 terminal ...

Page 18: ...Installation Auxiliary Inputs Auto Zero RS 232 Port 1 Printers Customer dry contacts or open collector transistor output supplied as required Refer to P270 on page 100 for programming details Prefeed activated dry contact Refer to Auto Zero on page 35 receive common ...

Page 19: ...UAL Page 13 mmmmm Installation Computers and Modems Typical configurations for connection to a PC compatible computer or modem using no flow control RS 485 Port 2 Daisy Chain Terminal Device DB 9 DB 25 Computer Modem customer device customer device ...

Page 20: ...lation RS 232 Port 3 mA Output 1 Remote Totalizer Note Jumper pins 4 6 and 7 8 when using hardware flow control Otherwise leave them open to customer instrumentation isolated mA output 750 Ω maximum load supply 30V max supply 240V max remote totalizer 2 remote totalizer 1 ...

Page 21: ... at 250V non inductive Power Connections Notes 1 The equipment must be protected by a 15 A fuse or a circuit breaker in the building installation 2 A circuit breaker or switch in the building installation marked as the disconnect switch shall be in close proximity to the equipment and within easy reach of the operator 100 115 200 230V 50 60 Hz select voltage via switch ...

Page 22: ...1 Open the enclosure lid 2 Slide the battery into the holder Be sure to align the and terminals correctly 3 Close and secure enclosure lid auxiliary supply output isolated 24 V dc at 50 mA short circuit protected from customer instrumentation isolated mA input 200Ω from customer instrumentation isolated mA input 200Ω to customer instrumentation isolated mA output 750Ω maximum load to customer inst...

Page 23: ...uts 2 programmable 0 4 20 mA inputs and a nominal 24V dc supply for loop powered devices To Install a Plug in Board 1 Turn off the power to the SF 500 2 Turn off any power provided to the relay contacts 3 Open the lid 4 Install the plug in by mating the connectors 5 Secure it in place using the screws provided 6 For the SmartLinx module only route the communication cable along the right side of th...

Page 24: ... communication data The RUN 1 5 9 2 6 0 3 7 4 8 M A RUN ALT DISP PAR RESET TOTAL ZERO CLEAR SPAN ENTER 1 5 9 2 6 0 3 7 4 8 M A R UN A LT D IS P PAR R ESET TOTA L ZER O C LE AR SPA N EN TER 1 5 9 2 6 0 3 7 4 8 M A RUN ALT DISP PAR RESET TOTAL ZERO CLEAR SPAN ENTER EDIT Mode numerical and arithmetical keys Press to enter RUN mode Press to initiate calibration VIEW Mode press to scroll through parame...

Page 25: ...totalization If PROGRAM mode is left idle for a period of ten minutes the SF 500 automatically reverts to RUN mode Zero and span calibrations effectively halt RUN mode while they are in progress During this time totalization ceases and all mA outputs except for PID fall to zero Rate becomes Rate Total 1 Total 2 Key PROGRAM Mode RUN Mode 1 2 3 4 EDIT Mode Scroll Up VIEW Mode Scroll Up through PID L...

Page 26: ... Ensure that the SW1 is set to the right see Layout diagram on page 7 Program parameters define the calibration and operation of the SF 500 By entering PROGRAM mode the user can view the parameter values or EDIT them to suit the application When in PROGRAM Mode the unit identifies the name of the parameter the description and the options or instructions for making a valid entry PROGRAM Mode Displa...

Page 27: ...rence Selection V 1 Weight 2 ECal 1 P001 Language V 1 Eng 1 View Edit Parameter Enter Parameter Number P011 Design Rate V Enter Rate 100 00 kg h P940 2 Load Cell mV Signal Test V mV reading for B 6 78 The default of previous parameter view is displayed e g P001 is the default parameter for initial start up e g scrolls up from P001 to P002 e g scrolls down from P002 to P001 For direct access to ind...

Page 28: ...eight V 80 00 kg h P011 Design Rate E Enter Rate 200 00 kg h P011 Design Rate V Enter Rate 0 00 kg h from the view mode If EDIT mode is not enabled after pressing ENTER Security is locked Refer to Parameters Security Lock P000 on page 92 for instructions on disabling Enter the new value For P001 to P017 ENTER completes the change and scrolls to the next required parameter Enter the CLEAR function ...

Page 29: ...01 through P017 are addressed Press Press Notes For successful start up ensure that all related system components such as the flowmeter are properly installed and connected Ensure that the SW1 is in the normal position to the right See Layout diagram on page 7 P001 Language V 1 Eng 1 P002 Test Reference Selection V Select 1 Weight 2 Ecal 1 P003 Number of Load Cells V Enter 1 or 2 1 P004 Rate Measu...

Page 30: ...Enter YYYY MM DD 1999 03 19 P009 Time V Enter HH MM SS 00 00 00 P009 Time E Enter HH MM SS 00 00 00 P011 Design Rate V Enter Rate 0 00 t h P011 Design Rate E Enter Rate 0 00 t h P017 Test rate Weight MS 1 V Enter test rate 0 00 t h P017 Test rate Weight MS 1 E Enter test rate 0 t h default date e g enter current date of October 19 1999 factory set time 24 hour clock e g enter current time of 14 41...

Page 31: ...iew parameters through to P017 Load Cell Balancing If you are operating a two load cell solid flowmeter balance the load cells electronically Do this prior to initial programming and calibration or after either or both load cells have been reinstalled or replaced Unbalanced load cells adversely affect the performance of your solids flowmeter weighing system Typical two load cell flowmeter P017 Tes...

Page 32: ... 26 Milltronics SF 500 INSTRUCTION MANUAL 7ML19985CN01 mmmmm Start Up Access P295 Press P295 Load Cell Balancing E Select 1 A B 0 Load Cell Balancing A B Place weight at cell B and press ENTER C test weight ...

Page 33: ...N MANUAL Page 27 mmmmm Start Up Press Press Load Cell Balancing A B Place weight at cell A and press ENTER Load Cell Balancing A B Load cells are now balanced C test weight Balancing the load cell requires a subsequent zero and span calibration ...

Page 34: ...erial is flowing through the flowmeter and that the test weights are not applied Zero Calibration Current Zero 0 Clear flowmeter Press ENTER to Start Initial Zero Calibration In progress Current Reading Calibration Complete Deviation 0 00 Press ENTER to accept value 551205 Zero Calibration Current Zero 551205 Clear flowmeter Press ENTER to Start Note To obtain an accurate and successful calibratio...

Page 35: ...ccessful recalibrate the weighing system by performing a series of material tests Material tests verify that the SF 500 is reporting accurately Where any inaccuracies exist correct the system with a manual span adjustment P019 Perform recalibration of the zero and span routinely to maintain accurate reporting of rate and total Refer now to Recalibration on page 30 Initial Span Calibration in progr...

Page 36: ...erform a manual span adjust There are two methods of executing the manual span adjust Change and Material Test Change based on the material test the difference between the actual weight of material and the weight reported by the SF 500 is calculated and entered into P019 as change Material Test based on material test the actual weight of material is entered into P019 The method of execution is a m...

Page 37: ...ial sample weight x 100 material sample weigh e g 428 5 423 0 x100 423 1 3 Access P019 and enter EDIT mode Press P019 Manual Span Adjust E Select 1 Change 2 Material Test 0 P598 Span Adjust Percentage V Enter Calculated error 0 00 0 kg lb kg lb 1 zero calibration start total empty scale 4 weigh material 3 stop material feed 2 RUN mode ...

Page 38: ... P017 Test Rate Weight MS1 V Enter Test Rate 56 78 P019 Manual Span Adjust E Select 1 Change 2 Material Test 0 Material Test Add to Totalizer 0 No 1 Yes Material Test Press ENTER to start Material Test Press ENTER key to stop Material Test 964 032 Enter actual amount Material Test Deviation 1 19 Accept 0 No 1 Yes e g the new test rate value is displayed if yes the weight of the material test will ...

Page 39: ...r future reference The displayed deviations are referenced to the previous zero or span calibration Deviations are tallied for successive zero and span calibrations When their limit is exceeded an error message shows that the deviation or calibration is out of range Routine Zero Press Press P017 Test Rate Weight MS1 V Enter Test Rate 56 78 Note To obtain an accurate and successful calibration ensu...

Page 40: ...T mode Press Press Press Calibration is out of range Deviation report 403 37 Zero Calibration Current Zero 551418 Clear flowmeter Press ENTER to start P377 Initial Zero E Enter 1 to start initial Zero 0 Zero Calibration Current Zero 530560 Clear flowmeter Press ENTER to start Initial Zero Calibration in progress Current Reading Calibration complete Deviation 0 00 Press ENTER to accept value 551413...

Page 41: ...is interrupted during those periods the auto zero is aborted and the RUN display resumes There is no loss of totalization After one calibration period another auto zero is attempted if the input and rate conditions are met If the resulting zero deviation is less than an accumulated 2 from the last operator initiated zero the auto zero is accepted If the deviation is greater than an accumulated 2 a...

Page 42: ...h flowmeter and the test weight is applied Span Calibration Current Span 41285 Setup test Press ENTER to start Zero should be done prior to Span Setup test Press ENTER to start Span Calibration in progress Current Reading 55 56 t h Calibration complete Deviation 0 03 Press ENTER to accept value 41440 Span Count too Low Press CLEAR to continue Calibration is out of range Deviation Error Span Calibr...

Page 43: ...when a calibration out of range message is shown P388 01 Initial Span E Enter 1 to start INitial Span 0 Span Calibration Current Span 41440 Setup test Press ENTER to start Zero should be done prior to Span Setup test Press ENTER to start Initial Span Calibration in progress Current Reading Calibration complete Deviation 0 00 Press ENTER to accept value 41900 Span Calibration Current Span 41900 Set...

Page 44: ...ons a span calibration may be required to match each feedpoint or combination of feedpoints Each time one of the eight conditions is in effect select the corresponding multispan prior to putting the SF 500 in RUN mode Either change the multispan operation number P365 or program the external contacts connected to the auxiliary input P270 To enable multispan operation address the following connectio...

Page 45: ...es the keypad or Dolphin Plus selection The auxiliary inputs override the keypad selection Access P270 and enter EDIT mode Enter This programs auxiliary Input 1 terminal 24 to read the contact state for span selections 1 or 2 Access P270 and enter EDIT mode when using spans 3 and or 4 Enter This programs auxiliary Input 2 terminal 25 in conjunction with auxiliary input 1 to read the contact state ...

Page 46: ...ponding span This is completed either by changing the span value entered in P365 or by closing the appropriate contacts connected to the programmed auxiliary inputs If required reset or note the totalizer value as the process materials being conveyed may change Refer to Totalization P619 P648 on page 111 Linearization applies concurrently to spans Rate kg h 0 00 kg h MS2 Total 1 0 00 kg Span auxil...

Page 47: ...a 4 to 20 mA output proportional to weight preceding the material infeed Connect the weigh bin to one of the mA inputs on the optional mA I O board of the Milltronics SF 500 either mA input 1 terminals 5 and 6 or mA input 2 terminals 7 and 8 Install a material feed control device preceding the weigh bin Note Press twice to enter a parameter number directly Whenever you wish to change a value press...

Page 48: ... to the 4 and 20 mA levels of the weigh bin 4 mA is calibrated with the weigh bin empty using P261 01 or 02 20 mA is calibrated with the weigh bin full using P262 01 and P262 02 P357 01 On line Calibration Limits V MAX Limit 90 0 P357 02 On line Calibration Limits V HIGH Limit 70 0 P357 03 On line Calibration Limits V LOW Limit 30 0 limit as a percentage ...

Page 49: ... line Calibration function energizes to stop the weigh bin material feed Material continues to be discharged from the weigh bin and when the level drops to the High limit 70 in the example the On Line totalizer is automatically activated When the Low limit 30 is reached the totalizer is deactivated and the assigned relay is de energized which reopens the material feed to the weigh bin P255 01 mA I...

Page 50: ...Press If the deviation is greater than 12 On line Calibration Deviation 2 51 Press ENTER to accept New span 22280 On line Calibration Complete Press ENTER to accept New span 22280 Note Deviation must be no greater than 12 of the initial span or it will not be accepted For remote access On line Calibration can be accepted using one of the auxiliary inputs refer to P270 Auxiliary Input Function on p...

Page 51: ...oring procedure With the material flow turned off Access P359 in VIEW mode Press Press Press Note For optimum accuracy in the factoring results a routine zero calibration is recommended prior to performing the factoring routine P359 Factoring V Enter 1 to start factoring 1 Factoring Weight Place weight and press ENTER Factoring Weight Factoring in progress Factoring Weight Press ENTER to accept va...

Page 52: ...hanical problem is indicated Refer to the flowmeter manual to resolve the non linearity If it is determined that the non linearity is due to the weighing application apply linearization by performing the following zero calibration span calibration at 90 to 100 of design rate material tests at 90 to 100 of design rate manual span adjust if required repeat material tests at 1 to 5 intermediary flow ...

Page 53: ...are performed at 30 60 90 120 and 150 t h as indicated by the SF 500 The following data is tabulated This example is exaggerated for emphasis calculation example compensation 2 5 2 8 x 100 2 8 10 7 SF 500 rate material test SF 500 total compensation t h tonnes tonnes 30 2 5 2 8 10 7 60 5 0 4 5 11 1 90 7 5 7 9 5 1 120 10 0 9 2 8 7 150 12 5 13 3 6 0 0 5 10 15 20 25 30 0 120 30 10 7 11 1 5 1 8 7 6 0 ...

Page 54: ...ion is required usually at a low rate value In the prior example if compensation was only required at 30 t h program the following parameters Optimize compensation by establishing the next rate value that agrees with the material test the compensation is zero and is entered as the next compensation point P390 1 linearization on P391 01 30 point 1 rate P391 02 90 point 2 rate P392 01 10 7 point 1 c...

Page 55: ...the signal reading or output value If mA damping P220 is enabled value other than 0 then the damping P080 as it pertains to the mA function is overridden and responds independently at the specified mA output damping rate P220 mA I O 0 4 20 mA Output The standard SF 500 provides one isolated mA output P201 The output range can be set to 0 20 mA or 4 20 mA P200 The 0 or 4 mA value corresponds to no ...

Page 56: ...ror condition as it is reported Refer to Troubleshooting on page 118 PID PID control setpoint deviation batch pre warn batch setpoint is offered only if the PID system P400 is enabled For rate alarm functions enter the high and low alarm setpoints P101 and P102 respectively in the appropriate units The high alarm setpoint acts as the setpoint deviation alarm for relays programmed for PID setpoint ...

Page 57: ...y totalizers 1 and 2 verification totalizer totalizer 3 material test totalizer totalizer 4 batch total totalizer 5 External totalizers totalizer outputs remote totalizers 1 and 2 To avoid totalizing material at flow rates below the low flow rate limit the totalizer drop out limit P619 is set to a percentage of the design load Below this limit totalization stops When material flow returns to a rat...

Page 58: ... inappropriate the next possible duration is automatically entered The totalizers are reset through the master reset P999 the totalizer reset P648 or through the keypad master reset the reset of all totalizer functions is included in the master reset totalizer reset totalizer reset can be used to resets internal totalizers 1 and 2 or totalizer 2 independently Resetting the internal totalizers 1 an...

Page 59: ...er install the optional mA I O board Refer to Interconnection on page 9 Connections In addition to the standard operating connections make connections to the process instruments Refer to Interconnection on page 9 specifically Relay Output for relay connections on page 15 mA I O Board on page 16 for mA input and output connections Auxiliary Inputs on page 12 for optional remote control Connect the ...

Page 60: ...eter Index Choices 01 02 03 Controller Selection P400 1 0f 0 Off 1 Man 2 Auto Process Variable Source P402 1f 1f 1 Rate 2 mA I P 1 3 mA I P 2 Setpoint Configuration P414 0f 0f 0 Local 1 mA I P 1 2 mA I P 2 mA O P Function P201 1f 2 1f 1 Rate 2 PID mA I P Function P255 0f 0f 0 Off 1 PID Set point 2 PID Process Variable EN TER CLEAR RESET TOT AL ALT DISP RUN PA R ZERO SPA N M A impact force PID O P ...

Page 61: ...Choices 01 02 03 Controller Selection P400 1 1 0 Off 1 Man 2 Auto Process Variable Source P402 1f 2 1 Rate 2 mA I P 1 3 mA I P 2 Setpoint Configuration P414 0 2 0 Local 1 mA I P 1 2 mA I P 2 mA O P Function P201 1f 2 2 1 Rate 2 PID mA I P Function P255 2 1 0 Off 1 PID Set point 2 PID Process Variable Remote Ratio P418 100f 100f Setpoint of input M M P F E N T E R C L E A R R E S E T T OT A L A L T...

Page 62: ...T A L A L T D I S P R U N P A R Z E R O S P A N M A E N T E R C L E A R R E S E T T O T A L A L T D IS P R U N P A R Z E R O S P A N M A rotary feeder Figure C process variable rate drag conveyor motor speed controller motor speed controller PID 01 O P MASTER primary product SLAVE additive rate O P PID 01 O P process variable rate optional remote setpoint ...

Page 63: ... changing P418 01 Parameter Index Choices 01 02 03 Controller Selection P400 1 0f 0 Off 1 Man 2 Auto Process Variable Source P402 1f 1f 1 Rate 2 mA I P 1 3 mA I P 2 Setpoint Configuration P414 0f 0f 0 Local 1 mA I P 1 2 mA I P 2 mA O P Function P201 1f 2 1f 1 Rate 2 PID mA I P Function P255 0f 0f 0 Off 1 PID Set point 2 PID Process Variable Remote Ratio optional P418 100f 100f Setpoint of input Pa...

Page 64: ...exists The difference is never zero A small P term can get the process very close to set point but this takes a long time At minimum an I term is required to eliminate the offset created by the P term Integral Control Automatic Reset I The I term on the SF 500 is used to increase or reduce the amount of control output to eliminate the offset caused by the P term The I term acts on the accumulation...

Page 65: ...e stable at the same time Feed Forward Control F The F term is used to adjust the control output based on a setpoint change The use of this term can make the system reach the new setpoint faster If the term is not used the system responds using the P I and D terms only The difference between the new setpoint and the process variable is the error and the control algorithm responds to eliminate this...

Page 66: ...or the SF 500 integrator controller for feed rate control First tune the P term while disabling the I and D terms Then add and tune the I term and then the D term To outline this procedure 1 With the P term set to its default value of 0 400 disable the I D and F terms by setting them to 0 000 2 Enter a feed rate setpoint that is 30 of the designed maximum flow rate 3 Start the pre feeder and obser...

Page 67: ... error is at its minimum turn the pre feeder off 6 The I term value can now be set Begin by entering the default value of 0 2 7 Restart the pre feeder test weights or chains still applied and feed rate setpoint entered 8 Again observe the oscillation of the control output Compare results to the figures 4 5 and 6 below P term is too high SETPOINT SETPOINT P term is too low SETPOINT P term is correc...

Page 68: ...process is heading by looking at the time rate and direction of change of the process variable The D term becomes very useful in applications where the material control point is far away from the measuring point e g a long screw feeder more than a few seconds process time from the flowmeter SETPOINT I term is too high SETPOINT I term is too low SETPOINT I term is correctly set Select manual to pro...

Page 69: ...he PID parameter set P401 to P418 They are not accessible Manual the control output is the manual output P410 Auto engages the PID controller function This can also be done using the key Note All programming should be done in the PID manual mode P400 01 PID System E Select 0 Off 1 Manual 2 Auto 0 Note For the mA output mA output 2 P201 02 is normally reserved for controller 1 The signal is output ...

Page 70: ... Term E Enter 0 3 P410 01 Manual Mode Output E Current Output Value 0 P414 01 Setpoint Configuration E 0 Local 1mA In 1 2 mA In 2 0 P415 01 Local Setpoint Value E Enter Setpoint 0 Select the appropriate range for the mA input signal Assign either 1 PID setpoint or 2 process variable as the function of the mA input value of output during manual operation P400 1 Enter the value for the feed forward ...

Page 71: ...000 P250 01 mA Input Range E Select 1 0 to 20 2 4 to 20 2 P255 01 mA Input Function E Select 0 1 PID SP 2 PID PV 0 Assign either 1 PID setpoint or 2 process variable as the function of the mA input Select the appropriate range for the mA input signal Increase or decrease to scale input setpoint if desired Current setpoint value in engineering units obtained from the mA input ...

Page 72: ...ogrammed as a pre warn alarm P100 7 to alert the process that batch end is near The relay is actuated when the material total reaches the pre warn setpoint P567 at some practical value below the batch setpoint The pre warn function is enabled disabled from the batch process through P566 For batch operations the following must be addressed connections programming operation Connections Typical Ladde...

Page 73: ...Access P560 Batch Mode Control Select 1 enable batch operation Access P564 Batch Setpoint Enter the desired batch total Access P566 Batch Pre warn Set to ON 1 or leave it OFF 0 If batch pre warn is selected access P567 Batch Pre Warn Setpoint Enter the Pre warn total Access P568 Batch Pre act Set to OFF 0 or AUTO 1 or manual 2 Relays Access P100 Relay Function Select relay 1 5 Select function 5 Pr...

Page 74: ...Typically the relay contact would be integrated into the batch control logic to end the process When the next batch is to be run pressing and then on the local keypad or providing a momentary contact closure across an auxiliary input programmed as batch reset P270 8 sets the alarm display and resets the batch total to zero and the relay contact to its closed state Pre act Function If repetitive ba...

Page 75: ...serial device such as radio modems leased lines or dial up modems The SF 500 supports two protocols Dolphin and Modbus Dolphin is a proprietary Siemens Milltronics protocol designed to be used with Dolphin Plus Modbus is an industry standard protocol used by popular SCADA and HMI systems E N T ER C L EA R RES ET TOT A L A LT DI S P RU N PA R ZE R O S PA N M A radio modem or dial up modem leased li...

Page 76: ... suggested guidelines 15 meters 50 feet for RS 232 1200 meters 4000 feet for RS 485 Ensure that communication cable is run separately from power and control cables i e do not tie wrap your RS 232 cable to the power cable or have them in the same conduit cable is shielded and connected to ground at one end only 24 AWG minimum follow proper grounding guidelines for all devices on the bus use good qu...

Page 77: ...nter The Siemens Milltronics protocol is compatible with the Dolphin Plus configuration program See the Siemens Milltronics web site for information on this PC product http www siemens milltronics com The Modbus protocol is an open standard developed by AEG Schneider Automation Inc Specifications are available from their web site http www modicon com Other protocols are available with optional Sma...

Page 78: ...s this is the broadcast address and is inappropriate for a slave device Values 0 to 9999 f 1 P772 Baud Rate The communication rate with the master device for the selected port ports 1 to 3 P772 01 to 03 The baud rate chosen should reflect the speed of the connected hardware and protocol used Values P773 Parity The serial port parity for the selected port ports 1 to 3 P773 01 to 03 Ensure that the ...

Page 79: ...configure the modem Autobaud enabled by P778 1 When the SF 500 is powered up or the P779 Modem Inactivity Timeout expires three carriage returns are sent to the modem to allow it to set its serial connection to P772 Baud Rate If a connection is made with the modem at a different baud rate the SF 500 will attempt to use that rate instead of the P772 value For troubleshooting purposes the baud rate ...

Page 80: ...gh to avoid timeout while you are still legitimately connected Hanging Up If the line is idle and the P779 Modem Inactivity Timeout expires then the modem is directed to hang up the line This is done with the Hayes commands two second delay two second delay ATH Ensure that P779 is set longer than the standard polling time of the connected master device 0 disables the inactivity timer Values 0 9999...

Page 81: ...set by P647 Totalizer Display P799 Communications Control Assigns programming control either locally through the keypad or Dolphin Plus P770 1 or remotely through Modbus protocol P770 2 or 3 or SmartLinx Entry 0 local 1 remote Note Applicable only to ports programmed for printer communication parameter 770 WARNING When a SmartLinx card is installed and P799 1 the parameters that the SmarlLinx card...

Page 82: ...ns Dolphin Protocol The protocol is available on all communications ports on all units This protocol is not available for third party use The primary use of this protocol is to connect the SF 500 to Siemens Milltronics Dolphin Plus configuration software Dolphin Plus Screen Shot ...

Page 83: ...nding the slaves will either give the information that the master has requested or give an error code consisting of why it can not give the information or that it did not understand the request Refer to Error Handling on page 90 All SF 500 information is mapped into the Modbus holding registers so that Modbus function code 03 can read from them and Modbus function code 06 and 16 can write to them ...

Page 84: ...s holding registers R40 001 and up The SF 500 makes it easy for users to get useful information via Modbus The following chart gives an overview of the different sections Register Map for SF 500 Note When using a commercial Modbus driver all of the message details are handled for you Station address Function code Information Error check Map Legend Description Type Arbitrary classification of regis...

Page 85: ... 00 59 r w ss 41 005 1 00 59 r w Time Zone 41 006 1 12 12 r w see P739 page 114 Process Values Rate 41 010 2 32 bits r see page 84 Total 1 41 016 2 32 bits r Total 2 41 018 2 32 bits r Device State 41 020 1 bit mapped r see page 84 Command Control 41 022 1 bit mapped r w see page 85 Multi Span Selection 41 024 1 1 8 r w see page 38 and P365 on page 104 Total 1 decimal places 41 025 1 1 3 r w see p...

Page 86: ...Write 40 090 40 095 is a series of six registers that are used for reading and writing parameter values to and from the SF 500 The first three registers are always unsigned integers representing parameters and index values The second three registers are the format and value s of the parameter PID Tuning PID 1 Proportional Term 41 400 2 32 bits r w see P405 page 107 PID 2 Proportional Term 41 402 2...

Page 87: ... 090 to 40 093 3 Read the value from registers 40 094 and 40 095 Writing Parameters To set parameters through Modbus follow these steps 1 Send the parameter its primary index and its secondary index usually 0 to registers 40 090 40 091 and 40 092 2 Write the value to registers 40 096 and 40 097 3 Write the desired format word to register 40 093 to enable the SF 500 to interpret the value correctly...

Page 88: ... value and then write your code to recognize and handle the decimal offset Bits 9 to 11 indicate the number of place by which the decimal is to be shifted Bit 12 indicates the direction by which the decimal point is shifted left or right For example if the decimal offset value of bits 9 to 11 is 2 and the shift value of bit 12 is 0 then the decimal point is shifted two places to the right Bits Val...

Page 89: ... time can be read or written in registers 41 000 to 41 006 as defined in the table above Example If you are located in Toronto Canada and would like to set the date and time to February 14 1999 1 30 p m and 42 seconds you would write the following Values Description 0 No error 1 Data not available as percent available as units 2 255 Reserved Bits Values R41 000 1999 R41 001 2 R41 002 14 R41 003 13...

Page 90: ... state of the product Each bit gives the state of different parts of the product some mutually exclusive others are not The state should be checked to verify any device commands Bit Description Bit Clear Bit Set 1 1 PID 1 Mode Manual Auto 2 PID 1 Freeze No Yes 3 PID 1 Setpoint Source Local Remote 4 PID 2 Mode Manual Auto 5 PID 2 Freeze No Yes 6 PID 2 Setpoint Source Local Remote 7 Zero No In progr...

Page 91: ...at can be read is 2 147 483 648 With 2 decimal places the largest value that can be read is 21 474 836 48 With 1 or 0 decimal places the largest value that can be read is 100 000 000 Example R41 025 Bits 0 and 1 are used to indicate the number of decimal places being read in Total 1 Words 7 and 8 Bit 15 is used to indicate if the decimal place is too large to read the total value correctly Bit Des...

Page 92: ... function while relay outputs are configured via P100 relay function The I O are mapped into the respective input and output registers R41 070 and R41 080 as follows For the mA I O the assigned registers represent the mA level e g 0 to 20 mA of the I O as registered in P911 and P914 mA output test output value and mA input value The mA I O are mapped into the respective input and output registers ...

Page 93: ...6 referring to the most significant bit 32 Bit Large numbers are put into unsigned 32 bit integers with a fixed decimal place of three For example a value of 7345 represents a value in the SF 500 7 345 The default word order is that the first word is the most significant word MSW and the second word register is the least significant word LSW For example if we read R41 431 as a 32 bit the 32 bits w...

Page 94: ...ailed information see the modem documentation Picking Modems There are several different types of modems dial up leased line radio link fiber optic to name the most common Dial up uses a standard analog phone line and dials the number of the receiving modem Lease line come in either 2 or 4 wire types and use special phone lines that are leased from your phone company or you and do not require any ...

Page 95: ...witches are normally located at the back of the modem jumpers are normally located on the motherboard and require that you remove the cover Software normally requires you to use a standard terminal program and to connect to the RS 232 port on the modem and send special commands The most popular command set is called the AT or Hayse command set For a typical dial up modem try the following setup as...

Page 96: ... value 8 8 Data Bits set P775 port 1 to the value 1 1 Stop Bit set P778 port 1 to the value 1 Communications through Modem set P779 port 1 to the value 300 Modem Inactivity of 300 seconds Error Handling Modbus Responses When polled by a Modbus Master a slave device will do one of the following 1 Not reply This means that something went wrong with the transmission of the message 2 Echo back the com...

Page 97: ... register then the value will be ignored and no error response will be made However the current value will not reflect the desired new value If the user attempts to write one or more registers that are out of range an exception response code 2 will be generated If using an unsupported function code undocumented results may occur The user is encouraged not to do this Code Name Meaning 01 Illegal Fu...

Page 98: ...mum parameter programming required before attempting a calibration and successful entry into the RUN mode P001 Language Selects the language for communication with the SF 500 Entry 1 englishf P002 Test Reference Selection Selects the type of test reference used to represent a material rate weight or electronic weight the weight that is supplied specific to the flowmeter electronic calibration base...

Page 99: ...alue Entry Enter the number of load cells 1f or 2 P004 Rate Measurement System Selects system of measurement used either imperial or metric Entry 1 imperial 2 metricf P005 Design Rate Units Determines the units for programming and measurement Changing this parameter does not affect the rate parameter P011 This parameter should be re entered for conformity in units t 1000 kg LT 2240 lb T 2000 lb im...

Page 100: ...er f 0 00 Enter the design rate from the supplied design data sheet in the units selected P005 P017 Test Load The rate referenced when performing a span f 0 00 Enter the test rate value as shown in the corresponding solid flowmeter instruction manual P019 Manual Span Adjust Provides a means for adjustment to the span calibration f 0 The adjustment value is determined by performing material tests a...

Page 101: ...r manually by pressing ALT DISP if the scroll mode is set to OFF or automatically if the mode is set to on Entry 0 OFFf 1 ON Relay Alarm Function P100 P117 These parameters are specific to the use of the relay alarm function Refer to Operation on page 49 P100 Relay Function Sets the relay function for the relay selected relays 1 to 5 P100 01 to 05 Entry 0 OFFf 1 rate 2 diagnostic 3 PID 01 setpoint...

Page 102: ...or the relay selected relays 1 to 5 P100 01 to 05 Enter the value in of setpoint P102 Low Alarm Sets the low alarm setpoint for relay selected relays 1 to 5 P100 01 to 05 f 20 Enter the value in of full scale P107 Relay Alarms Sets the alarm mode for the relay selected relays 1 to 5 P100 01 to 05 Entry 1 high and lowf 2 high only 3 low only Note To reset the Diagnostics relay the SF 500 must be cy...

Page 103: ...nder power loss Normal Operation In software all relays are programmed the same way with ON setpoints always indicating relay action This parameter allows the reversal of the operation Normally P118 2 for each relay Reverse Operation When P118 3 the operation of the indexed relay is reverse from normal Values P119 Relay Override This function allows the user to simulate an alarm condition ON or OF...

Page 104: ...orrelation exists P200 mA Output Range Sets the mA range for the output selected outputs 1 to 3 P200 01 to 03 Entry 1 0 20 mA 2 4 20 mAf P201 mA Output Function Assigns the mA output function for the output selected outputs 1 to 3 P201 01 to 03 Entry 1 ratef 2 PID control output valid for outputs 2 and 3 only if PID system P400 is enabled P204 mA Output Average Sets the averaging period in seconds...

Page 105: ... 03 The trim adjust the output to agree with a milliameter or other external mA input device Scroll the trim value up or down P215 20 mA Output Trim Trims the 20 mA output level for the output selected outputs 1 to 3 P215 01 to 03 The trim adjust the output to agree with a milliammeter or other external mA input device Scroll the trim value up or down P220 mA Output Damping Sets the damping for th...

Page 106: ...t selected inputs 1 to 2 P250 01 to 02 The trim adjust the input to agree with an external 20 mA source Follow the SF 500 on line instructions to trim the input P270 Auxiliary Input Function Selects the auxiliary input function for the input selected inputs 1 to 5 P270 01 to 15 Value Function Symbol Description 0 OFF 1 alternate display momentary closure of the input contact causes the RUN display...

Page 107: ...ontacts status is sensed off 13 remote communication write keypad Dolphin Plus write pro gram enabled SmartLinx remote device write program enabled 14 initiate on line calibration momentary closure of the input contact initiates on line calibra tion 15 accept new on line calibration span momentary closure of the input contact accepts the on line cali bration deviation Notes A remote Span performs ...

Page 108: ...an 3 and 4 selection and Input 3 for 5 to 8 Enter 1 existing ALT_DSP to reject the new on line calibration span Calibration Parameters P295 360 P295 Load Cell Balancing Initiates an electronic balancing of the load cell input signals Balancing is required for flowmeter models of two load cell design Refer to Start Up on page 23 for requirements and execution P341 Days Of Service The cumulative day...

Page 109: ...9999 f 0 000 P357 On line Calibration Limits Used to enter the weigh bin limit settings P357 1 MAX LIMIT range 0 0 to 100 0 f 0 P357 2 HIGH LIMIT range 0 0 to 100 0 f 0 P357 3 LOW LIMIT range 0 0 to 100 0 f 0 zero span Reset T1 entry 0 no additional security f Yes Yes Yes 1 in addition to P000 lock no span Yes No Yes 2 in addition to P000 no zero no span No No Yes 3 in addition to P000 no zero no ...

Page 110: ...zero or span calibration f 1 which is approximately 20 seconds Enter number of time periods range 1 to 99 P365 Multispan Select the span reference to be applied for determination of rate and totalization Entry 1 multispan 1 MS1 for product or condition Af 2 multispan 2 MS2 for product or condition B 3 multispan 3 MS3 for product or condition C 4 multispan 4 MS4 for product or condition D 5 multisp...

Page 111: ...Deviation Sets the zero calibration deviation limit from the last initial zero If the accumulated deviation of successive zero calibrations exceeds the limit the zero calibration is aborted f 12 5 Enter the maximum allowable deviation P377 Initial Zero Resets the initial zero The initial zero is the reference zero to which all subsequent operator initiated zero calibrations are compared in determi...

Page 112: ...the compensation value in percent for the point selected point 1 to 5 P392 01 to 05 f 0 00 P398 Moisture Content Factors out moisture component of rate and total for all multispans selected The factored values are meant to report the dry mean values of the material being conveyed f 0 00 Enter the moisture content in weight Proportional Integral Derivative PID Control Parameters P400 P419 Note In t...

Page 113: ...value can introduce instability f 1 Entry 1 300 ms 2 600 ms 3 900 ms etc P402 PID Process Value Source Determines the source of the process value P402 01 or 02 for the corresponding PID system 1 or 2 The process value is the value that the controller is trying to match with the setpoint f 1 Enter 1 ratef 2 mA input 1 3 mA input 2 P405 Proportional Term Sets the proportional term P405 01 or 02 for ...

Page 114: ... or 2 When the PID system is in manual this is the value output providing bumpless transfer when switching from manual to auto When switching from auto to manual this parameter is loaded with the current controlled value P414 Setpoint Configuration Configures the setpoint P414 01 or 02 for the corresponding PID system 1 or 2 Determines the source for the PID s setpoint If local the setpoint value ...

Page 115: ...mA input 1 or 2 P418 Remote Setpoint Ratio Sets the remote setpoint ratio P418 01 02 for the corresponding PID system 1 or 2 when P414 1 or 2 f 100 The remote setpoint ratio scales remote setpoint input by the set percentage A value of 100 means that the setpoint is 100 of the mA input Batch Control P560 P568 The following parameters are specific to the use of the SF 500 as a batch controller P564...

Page 116: ...s reset the batch total is compared to the setpoint P564 The difference is then applied to pre act on the setpoint for the next batch in order to improve the accuracy of the batch The activity is internally limited to 10 of the batch setpoint e g For Auto Batch Pre Act Entry 0 OFFf 1 Auto 2 Manual P569 Manual Batch Pre Act Amount Accessible only though Batch Pre Act P568 when Manual 2 is selected ...

Page 117: ...talizers Refer also to Operation Totalization on page 51 P619 Totalling Dropout This parameter sets the limit in percent of design rate below which material rates are not totalized f 3 0 The value of 0 is reserved to allow both negative and positive totalization Enter drop out value in of design rate P631 Totalizer Resolution This parameter sets the resolution of the totalizer selected Totalizers ...

Page 118: ...n totalizer is enabled but main totalizers are disabled 2 add total verification totalizer is enabled as well as main totalizers main totalizers consist of internal totalizers 1 and 2 and external totalizers 1 and 2 P638 External Totalizer Resolution This parameter sets the resolution of the selected external totalizer Totalizers are P638 01 external totalizer 1 T1 terminals 35 36 P638 02 external...

Page 119: ... P647 Totalizer Display Selects the totalizer combination to be displayed either manually through the scroll display key or automatically by control of the display mode P081 Entry 1 totalizer 1f 2 totalizer 2 3 totalizer 1 and 2 P648 Totalizer Reset Internal Manual reset of the selected internal totalizer when the entry is made f 0 Entry 0 no reset 1 reset totalizer 2 2 reset totalizers 1 and 2 Re...

Page 120: ... Parameters These parameters are specific to the SmartLinx module installed Refer to the module documentation for a list and description of the specific parameter requirements P770 P789 Local Port Parameters These parameters are specific to programming of the SF 500 communication ports Refer to Communications on page 69 for a listing and description of these parameters P790 SmartLinx Error Status ...

Page 121: ...rtLinx is used If you are not using SmartLinx this parameter is not functional Please see the SmartLinx manual for a full description of this parameter P799 Communications Control Assigns programming control through the local keypad or Dolphin Plus P770 1 or through a Modbus protocol P770 2 or 3 Entry 0 local 1 modbus Test and Diagnostic P900 P951 P900 Software Revision Displays the EPROM Flash RO...

Page 122: ... input selected inputs 1 to 2 P914 01 to 02 P940 Load Cell mV Signal Test Displays the raw unbalanced mV signal input for the selected load cell load cells A to B P940 01 to 02 Range 0 00 50 00 mV P943 Load Cell A D Reference Displays the A D reference value for the selected load cells These values are affected by load cell balancing P295 Load cells are 01 A and B 02 A 03 B P948 Error Log Displays...

Page 123: ... enable Refer to Troubleshooting on page 118 P950 Zero Register Registers the number of zero calibrations that have been done since the last master reset f 0 P951 Span Register Registers the number of span calibrations for the span selected span 1 to 8 P951 01 to 08 that have been done since the last master reset f 0 P999 Master Reset Resets parameters and totalizers to their factory setting f 0 E...

Page 124: ...proper Cabling Ensure cable connecting keypad to mother board is intact SW1 in left position Switch SW1 underneath display to the right Incorrect security settings Check security code P000 and security level P350 LVDT Conditioning Card doesn t function Devices are not inter connected properly Check interconnecting wiring between LVDT and conditioning card and conditioning card and the SF 500 Devic...

Page 125: ...ve been programmed Ensure all needed parameters have been programmed Improper wiring between printer and SF 500 Ensure proper wiring is done The SF 500 is not in RUN mode To print switch to RUN mode Changed a communica tions Parameter but does not seem to be working The SF 500 power must be cycled prior to any communica tions parameter tak ing effect Cycle The SF 500 power Can t communicate using ...

Page 126: ...o Initial Span on page 37 223 Security Violation An attempt to run command calibration that is not allowed under current security level 224 Function not permitted Function not allowed under current security level 225 BF Flashes in the bottom right corner of display when bat tery charge is too low 226 Load Cell AD s are not func tioning Consult Siemens Milltronics 227 Err 227 No process data availa...

Page 127: ...w rate for this particular application 100 full scale Direct Span If replacing software or hardware this allows the entry of the previously recorded span value Direct Zero If replacing software or hardware this allows the entry of the previously recorded zero value Factoring Used to calculate the test rate value of a new or unknown test weight using the current span as reference Input Output Trim ...

Page 128: ...etpoint either internal to the SF 500 or external RAM Random Access Memory Random Access Memory Memory that has both read and write capabilities Relay An electromechanical device with contacts that can be closed or opened by energizing a coil Routine Span Any operator initiated span calibration Routine Zero Any operator initiated zero calibration Setpoint A value that the integrator is trying to m...

Page 129: ...TRUCTION MANUAL Page 123 mmmmm Glossary Totalizer An incremental counter that records the total of material that has been monitored Zero Register Shows the number of zero calibrations that have been performed since the last master reset ...

Page 130: ...3 update 107 D damping 99 value 95 99 data advanced access 80 bits 73 types 87 date and time 83 diagnostic 117 discrete input 1 4 86 Dolphin Plus 1 3 8 69 71 76 protocol 69 76 E error check 77 117 codes 83 handling 90 91 messages 88 example modem setup 89 F factoring 39 45 104 format register 82 84 function output 49 98 pre act 68 I initial startup 60 L linearization 46 rate 1 load cell 3 10 25 93...

Page 131: ...P212 mA output minimum 49 99 P213 mA output maximum 49 99 P214 mA output trim 49 99 P215 20 mA output trim 99 P220 mA damping 49 95 99 P250 mA input range 50 99 P255 mA input function 50 100 P261 4 mA input trim 50 100 P262 20 mA input trim 50 100 P270 auxilliary input function 100 P295 load cell balancing 102 P341 days of service 102 P350 calibration security 103 118 P355 on line calibration feat...

Page 132: ... P791 bus error 114 P792 SmartLinx error count 114 115 P795 SmartLinx protocol 115 P799 communications control 75 115 P900 software revision 115 P901 memory test 115 118 P911 mA output test 49 86 116 P914 mA input value 116 P940 load cell LVDT interface mV signal test 116 P943 load cell A D reference 116 P948 error log 116 P949 diagnostic error testing 117 P951 span register 117 P999 master reset ...

Page 133: ...29 30 48 106 mS output 86 rate 30 39 45 104 113 value 116 weight 28 33 36 101 text messages 88 totalizer 52 113 batch 96 110 external 112 113 functions 51 internal 112 113 master 51 remote 1 119 reset 52 101 113 troubleshooting 118 U UDINT 87 UINT32 80 UINT32 order 80 unsigned double precision integer 87 W web site 71 77 wiring 9 pin to RJ 11 14 guidelines 70 wiring guidelines 70 Z zero 4 8 19 60 ...

Page 134: ...s Process Instruments Inc 1954Technology Drive P O Box 4225 Peterborough ON Canada K9J 7B1 Tel 705 745 2431 Fax 705 741 0466 Email techpubs siemens milltronics com Siemens Milltronics Process Instruments Inc 2003 Subject to change without prior notice Printed in Canada ...

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