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27

350.0

351.5

70

Master
Deviation
M.PV –
M.SPt

OP1

•1

207.0

207.0

OP1

MST

SLV

Slave
Deviation
S.PV –
S.SPt

2

OPERATOR LEVEL…

2.8

Cascade Control with Feedforward (Template 13)

For cascade control, two internally-linked PID controllers are used, with the first (master) PID
controller providing the set point for the second (slave) controller. The feedforward disturbance
variable signal is added to the master output (slave set point). The disturbance signal is weighted by
the feedforward gain (

FFGn

) and the feedforward bias (

FFbs

) values.

Master Process Variable (M.PV)

Master Control Set Point (M.SPt)
['SPLO' to 'SPHI' – see Section 5.5]
Adjustable in Local control only

Slave Control Output
[0 to 100% (–10 to 110% for analog outputs)]
Adjustable in Manual mode only.

Slave Process Variable (S.PV)

Slave Set Point (S.SPt)
['SPLO' to 'SPHI' – see Section 5.5]
Adjustable in Manual mode only

Note. The

L

L

R

key can be used in this frame to

change between cascade ( R symbol is lit) and
local slave set points.

Continued…

•1 With the Ramping Set Point function enabled (see Section 4.3, Set Points/ Ramp Rate), the

bargraph shows the actual deviation (PV/Ramping Set Point value). The digital display shows
the target set point value.

M.SPt

I/P1

I/P2

OP1

Local

Set
Point

Master PV Input

Slave PV Input

Local Slave
Set Point

Slave

PID

Control Loop

M.PV

LSPt

S.SPt

I/P3

Feedforward Disturbance Variable

M.OP x

CrtO

+

CbiA

Master

PID

Control Loop

∑

DV x

FFGn

+

FFbS

Manual
Output

S.SPt

L

L

R

Profile Set Point

Fig. 2.7 Cascade Controller with Feedforward

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28
29
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Содержание COMMANDER C355

Страница 1: ...guration details Your COMMANDER 350 is now ready for operation Step 1 Application Template and Output Configuration Choose the Template which best suits your application from the list in Table A located on the rear fold out Choose the Control Output Type required from the list of options in Table B on the rear fold out Step 2 Electrical Connections Using the labels on the back of the instrument as...

Страница 2: ...development to incorporate the latest technology The UKAS Calibration Laboratory No 0255 is just one of the ten flow calibration plants operated by the Company and is indicative of our dedication to quality and accuracy Note Clarification of an instruction or additional information Information Further reference for more detailed information or technical details EN 29001 ISO 9001 Lenno Italy Cert N...

Страница 3: ...ofile States Level r Profile Control Level t Profile Program 8 Set Up Mode Levels 2 to 5 Level 2 Tuning Level 3 Set Points Level 4 Alarm Trip Points Level 5 Valve Setup Configuration Mode Levels 6 to E Level 6 Basic Configuration Level 7 Input Configuration Level 8 Alarm Configuration Level 9 Set Point Configuration Level A Control Configuration Level B Operator Configuration Level C Output Config...

Страница 4: ... 3 Set Points 61 4 4 Level 4 Alarm Trip Points 63 4 5 Level 5 Valve Setup 64 Section Page 5 CONFIGURATION MODE 67 5 1 Introduction 67 5 2 Level 6 Basic Configuration 68 5 3 Level 7 Analog Inputs 72 5 4 Level 8 Alarms 76 5 5 Level 9 Set Point Configuration 80 5 6 Level A Control Configuration 83 5 7 Level B Operator Configuration 88 5 8 Level C Output Assignment Configuration 91 5 9 Level D Serial ...

Страница 5: ...displays function keys and l e d indicators are shown in Fig 1 1 COMMANDER 350 PV SP OP Y X 350 0 351 5 70 MST SLV R M OP1 OP2 FF W Function Keys Auto manual Raise Local Remote L L R Parameter Advance Alarm Acknowledge Lower Up Down Fig 1 1 Front Panel Displays and Function Keys ...

Страница 6: ...rom within a level Note This key also stores any changes made in the previous frame LEV2 tUNE CYCl 5 0 Frame 2 Frame 1 top of level B Up and Down Keys and bIAS 50 0 51 0 49 0 LEV1 OPEr LEV2 tUNE move between frames within a Setup or Configuration level Any changes made on the current frame are stored when the next frame is selected LEV2 tUNE CYCl 5 0 Frame 2 Frame 1 top of level Press and hold LEV...

Страница 7: ... Block 1 High High Deviation Math Block 1 Low Low Deviation Math Block 2 High High Process I P1 Math Block 2 Low Low Process I P1 Math Block 3 High High Process I P2 Math Block 3 Low Low Process I P2 Math Block 4 High High Process I P3 Math Block 4 Low Low Process I P3 The first active and unacknowledged alarm is displayed or if no alarms are active the first enabled alarm is displayed 1 The lower...

Страница 8: ...indicate local set point ratio still selected Process variable and local set point ratio displayed on red and green displays 1 2 Remote set point ratio selected 3 Remote selection aborted R When the MST indicator see Fig 1 3 is lit the key can be used to switch between the Master local and remote set points 1 2 L L R When the SLV indicator see Fig 1 3 is lit the key can be used to switch between t...

Страница 9: ...Operator or Setup levels to the first page of the Configuration level LEVA CntL LEV1 OPEr LEV6 APPL Press simultaneously and hold for 3 seconds Press to move from the Operator Level to the Security Code Frame and then to other levels Tune Level See Section 2 13 3 Set Up Level See Fig 4 1 Configuration Level See Fig 5 1 COdE 0 350 0 351 5 70 350 0 351 5 70 Note This Short cut operates only when the...

Страница 10: ...e displayed Feedforward disturbance variable displayed Valve opening Valve stopped Valve closing Flashing Autotune in progress OFF No alarms active Local set point in use ON All active alarms acknowledged Master controller parameters displayed Slave controller parameters displayed Remote or Cascade set point in use Flashing One or more alarms active and unacknowledged A Upper Display B Lower Displ...

Страница 11: ... faulty or has not been fitted correctly Remote Set Point Failed Input value is over or under range Only appears if the remote set point is displayed or in use External Ratio Fail Input value is over or under range Only when templates 14 to 17 are used Position Feedback Fail Input value is over or under range Only appears if output type set to PFb motorized valve with feeback Valve Sticking Motori...

Страница 12: ... I l a t i g i D 1 P S L e u l a V 1 t n i o P t e S l a c o L 3 i d 3 t u p n I l a t i g i D 2 P S L e u l a V 2 t n i o P t e S l a c o L 4 i d 4 t u p n I l a t i g i D 3 P S L e u l a V 3 t n i o P t e S l a c o L 1 o a 1 t u p t u O g o l a n A 4 P S L e u l a V 4 t n i o P t e S l a c o L 2 o a 2 t u p t u O g o l a n A t P S C e u l a V t n i o P t e S l o r t n o C 1 o d 1 t u p t u O l a...

Страница 13: ... backup station Indicator manual loader station Single loop with feedforward control Cascade control Cascade with feedforward Ratio controller Ratio station Note Only the frames relevant to the selected template are displayed see Section 5 In addition frames used to view the Control Efficiency Monitor and operate motorized valve and heat cool output types are also described 2 OPERATOR LEVEL Fig 2 ...

Страница 14: ...back control system using three term PID or on off control with either a local set point template 1 or remote set point template 2 PID Control Loop PID O P CSPt I P2 PV I P1 Manual Output OP1 Remote Set Point Input Process Variable Input 1 Template 2 Only 1 LSPt I P2 x rAtO bIAS RSPt L L R Local Set Point Control Output Profile Set Point ...

Страница 15: ...5s off Remote Set Point Ratio 0 001 to 9 999 Remote set point value ratio x remote set point input bias Remote Set Point Bias In engineering units Continued 1 With the Ramping Set Point function enabled see Section 4 3 Set Points Ramp Rate the bargraph shows the actual ramping set point value and the digital display shows the target set point value 2 Displayed only if template 2 selected and Ratio...

Страница 16: ...ime Adjust Value set in the Profile Control Level If the current segment is a ramp it will change the ramp rate Current Program Segment 1 01 to 9 30 When the program is running or held Press to skip forward to the start of the next segment Press to skip backwards to the start of the current segment Return to top of page 1 Profile Status is displayed only if ramp soak features are enabled see Secti...

Страница 17: ...ows the master controller s output value A fault in the master system can be identified either by detecting a low signal on the master output template 3 or via a digital signal template 4 When a fault is detected the COMMANDER 350 goes into manual mode with its output either set to the last valid master output value or to a configured output value see Section 4 6 Control Configuration Configured O...

Страница 18: ... by the digital input signal 2 Template 3 only see Section 5 2 Basic Configuration Template Application 3 Template 4 only see Section 5 2 Basic Configuration Template Application Auto Mode Process Variable Master Output I P2 Control Output Master Output Master Output 0 to 100 Manual Mode Control Output under COMMANDER 350 control 0 to 100 2 OPERATOR LEVEL 2 3 Auto Manual Station Templates 3 and 4 ...

Страница 19: ...COMMANDER 350 s current output follows the master controller s output value A fault in the master system can be identified either by detecting a low signal on the master output template 5 or via a digital signal template 6 When a fault is detected the COMMANDER 350 switches into local control mode and the process is controlled by the PID output of the COMMANDER 350 The COMMANDER 350 PID algorithm ...

Страница 20: ...t Point SPLO to SPHI see Section 5 5 Control Output Master Output Master Output 0 to 100 Local Mode Control Output under COMMANDER 350 control 0 to 100 Adjustable in Manual Mode only Continued 2 OPERATOR LEVEL 2 4 Analog Backup Templates 5 and 6 1 Template 5 only see Section 5 2 Basic Configuration Template Application 2 Template 6 only see Section 5 2 Basic Configuration Template Application ...

Страница 21: ...in the Profile Control Level If the current segment is a ramp it will change the ramp rate Current Program Segment 1 01 to 9 30 When the program is running or held Press to skip forward to the start of the next segment Press to skip backwards to the start of the current segment Return to top of page 1 Profile Status is displayed only if ramp soak features are enabled see Section 5 5 Level 9 Set Po...

Страница 22: ...ph displays If the control output is assigned to an analog output the lower display indicates its value which can be adjusted by the user 1 Displayed only if template 8 selected see Section 5 2 Basic Configuration Template Application 2 Displayed only if control output type is analog output is assigned to Analog Output 1 Process Variable PV1 Process Variable PV2 Output Value 10 to 110 ...

Страница 23: ...lay shows the target set point value Process Variable Control Set Point SPLO to SPHI see Section 5 5 Adjustable in Local control only Control Output 0 to 100 Adjustable in Manual control only Feedforward Note To disable feedforward action e g during system tuning set the Feedforward Gain parameter to 0FF see Section 4 2 Level 2 Tune 0 to 100 Feedforward disturbance variable signal Continued CSPt I...

Страница 24: ... Basic Configuration Template Application and Section 5 7 Operator Configuration Operator Ratio Display and Operator Bias Display Remote Set Point Ratio 0 001 to 9 999 Remote set point value ratio x remote set point input bias Remote Set Point Bias In engineering units Continued 2 6 Single Loop with Feedforward Templates 9 and 10 ...

Страница 25: ... in the Profile Control Level If the current segment is a ramp it will change the ramp rate Current Program Segment 1 01 to 9 30 When the program is running or held Press to skip forward to the start of the next segment Press to skip backwards to the start of the current segment Return to Process Variable display 1 Profile Status is displayed only if ramp soak features are enabled see Section 5 5 ...

Страница 26: ... only Note With template 12 the L L R key can be used to change between local remote set point values Slave Process Variable S PV Slave Set Point S SPt SPLO to SPHI see Section 5 5 Adjustable in manual or local slave set point modes only Note The L L R key can be used in this frame to change between cascade R symbol is lit and local slave set points Continued 1 With the Ramping Set Point function ...

Страница 27: ...ratio x remote set point input bias Remote Set Point Bias in engineering units Cascade Slave Set Point Ratio 0 001 to 9 999 Slave set point S SPt value ratio x master ouput bias in engineering units Continued 1 Displayed only if template 12 selected and ratio bias display enabled see Section 5 2 Basic Configuration and Section 5 7 Operator Configuration 2 Displayed only if ratio bias display enabl...

Страница 28: ...e set in the Profile Control Level If the current segment is a ramp it will change the ramp rate Current Program Segment 1 01 to 9 30 When the program is running or held Press to skip forward to the start of the next segment Press to skip backwards to the start of the current segment Return to Master Process Variable M PV display 1 Displayed only if ratio bias display enabled see Section 5 7 Opera...

Страница 29: ...nly Slave Control Output 0 to 100 10 to 110 for analog outputs Adjustable in Manual mode only Slave Process Variable S PV Slave Set Point S SPt SPLO to SPHI see Section 5 5 Adjustable in Manual mode only Note The L L R key can be used in this frame to change between cascade R symbol is lit and local slave set points Continued 1 With the Ramping Set Point function enabled see Section 4 3 Set Points...

Страница 30: ...eedforward Template 13 1 Displayed only if enabled in Level B Operator Configuration see Section 5 7 Feedforward Disturbance Variable 0 to 100 Feedforward disturbance variable input Cascade Slave Set Point Ratio 0 001 to 9 999 Slave set point CSP2 value ratio x master ouput bias in engineering units Cascade Slave Set Point Bias In engineering units Continued ...

Страница 31: ... Profile Control Level If the current segment is a ramp it will change the ramp rate Current Program Segment 1 01 to 9 30 When the program is running or held Press to skip forward to the start of the next segment Press to skip backwards to the start of the current segment Return to Master Process Variable M PV display 1 Profile Status is displayed only if ramp soak features are enabled see Section...

Страница 32: ...wn as the wild variable The wild variable weighted by ratio rAtO and bias bIAS values forms the control set point for the process variable 2 OPERATOR LEVEL 1 Displayed only if enabled in Level B Operator Configuration see Section 5 7 Actual Ratio Process Variable PV Bias Wild Variable WV Desired Ratio Adjustable in Local control only Control Set Point WV x Ratio Bias Control Output 0 to 100 10 to ...

Страница 33: ...just Value set in the Profile Control Level If the current segment is a ramp it will change the ramp rate Current Program Segment 1 01 to 9 30 When the program is running or held Press to skip forward to the start of the next segment Press to skip backwards to the start of the current segment Return to Actual Ratio display 1 Profile Status is displayed only if ramp soak features are enabled see Se...

Страница 34: ... retransmitted as an analog output value 1 Displayed only if enabled in Level B Operator Configuration see Section 5 7 Actual Ratio Process Variable PV Bias Wild Variable WV Desired Ratio Adjustable in local control only Ratio Setpoint Output WV x Ratio Bias 10 to 110 Adjustable in manual control only Bias In engineering units Continued WV x rAtO bIAS I P3 Manual Output OP1 I P2 WV rAtO L L R Loca...

Страница 35: ...the Profile Control Level If the current segment is a ramp it will change the ramp rate Current Program Segment 1 01 to 9 30 When the program is running or held Press to skip forward to the start of the next segment Press to skip backwards to the start of the current segment Return to Actual Ratio display 1 Profile Status is displayed only if ramp soak features are enabled see Section 5 5 Level 9 ...

Страница 36: ...0 110 to 0 in manual mode with analog outputs Adjustable in manual mode only OP2 cool OP1 heat Y2 St Y1 St PID O P 0 100 100 100 Fig 2 10 Typical Response Reverse Direct or Direct Reverse Control Action 2 11 2 Reverse Heat Reverse Cool or Direct Heat Direct Cool It is not possible to view or adjust the heat cool outputs directly The PID output 0 to 100 used to calculate the heat OP1 and cool OP2 o...

Страница 37: ...eedback Valve Position Display 0 to 100 of travel Note In manual mode the and keys can be used to drive the valve open and valve close relays directly 2 12 2 Motorized Valve without Feedback Boundless Valve State Display OPN Valve opening StP Valve stopped CLS Valve closing Note In manual mode the and keys can be used to drive the valve open and valve close relays directly ...

Страница 38: ... control the process using the new PID parameters If an error occurs during the auto tune the COMMANDER 350 reverts to manual mode with the control output set to the default output value An error message is displayed in the operator level see Table 2 1 2 OPERATOR LEVEL 2 2 t A Stable process before auto tune SPt PV B Process response during auto tune t PV 1 4 wave damping Controlling to Set Point ...

Страница 39: ...set point tuning is carried out At set point tuning manipulates the control output to produce a controlled oscillation of the process A step change of 10 of the starting output value is applied initially This is adjusted to give an amplitude of oscillation 3 times the noise level Once the amplitude and period of oscillation are consistent minimum 2 cycles maximum 4 cycles PID parameters are calcul...

Страница 40: ...Cascade Templates OFF Off SLV A Slave type A A Type A SLV b Slave type B b Type B MSt A Master type A MSt b Master type B Auto tune is started automatically when the key is pressed Auto tune can be stopped at any time by pressing the key Note Profile program If a profile is running the auto tune feature cannot be started When the key is pressed the display reverts to OFF Note Slave control loops o...

Страница 41: ... General guidelines are shown in Table 2 2 Action Decrease proportional band Decrease integral time Increase derivative time Increase proportional band Increase derivative time Increase proportional band Increase integral time Increase proportional band Decrease integral time If large overshoot and oscillatory then Increase proportional band Increase integral time Increase derivative time If slow ...

Страница 42: ...onal Band until decay ratio 0 25 If the decay ratio 0 25 decrease the Proportional Band until decay ratio 0 25 f Leave the proportional band at the setting which gives 0 25 decay ratio and using the Control Efficiency Monitor note the period between peaks g Calculate and set the following parameters Integral action time Period 1 5 Derivative action time Period 6 Note The manual tuning facility mus...

Страница 43: ...sured in engineering units per minute Rate of approach Y1 tapproach Overshoot The maximum error expressed as a percentage of the set point Overshoot X1 Set Point x100 Decay Ratio The ratio of the amplitude of the first and second overshoots Ratio X2 X1 Period The time in seconds between the first two peaks tperiod Settling Time The time taken in minutes for the process variable to settle within 2 ...

Страница 44: ...forwards backwards source Reset source End of profile reset source Soak time increment decrement source Profile Program Level Program Begin End Segment Start End Value Soak time Ramp Rate Guaranteed Ramp Soak Time Events Program Repeats Program Source Press and hold Invalid password LEV t P PrG LEV2 tUNE Valid Set Up or Configuration Password Valid Profile Configuration Password Valid Profile Oper...

Страница 45: ...to Fig 3 8 for ramp soak adjust example 4 time event states common to each segment Self seeking set point function avoids unnecessary delays when a program is started see Fig 3 5 Retort function ensures safe operation under fault conditions see Fig 3 6 Power recovery function determines ramp soak profile restart position End of Profile State latched ON until reset The Ramp Soak facility is a set p...

Страница 46: ...repeat of profile Set Point Eng Units Adjustable Holdback Hysteresis 1 for Ramp segments 2 for Soak segments Adjustable ramp rates Skip Forward Manual Pause Holdback Active outside hysteresis limits Hysteresis applied Hi Lo above and below the set point Hysteresis applied Hi above the set point Start Seg 3 Note Ramp segments can have a different hysteresis to soak segments Fig 3 4 Typical 6 segmen...

Страница 47: ...fall Retort Hold Set Point Process Variable Hysteresis value Upon recovery of the heat source the process is controlled at the new set point value When the process variable reaches the set point it is then ramped back to the initial soak value at the rate of the previous ramp Retort Ramp When the soak level is reached the program is released from its hold state and the segment is either completed ...

Страница 48: ...3 Raise to Cook Temp Cook Period Cook Time Ext Cool Period End of Cycle Purge and Vent event 1 All events switched off when program complete 12 EV Nt 2 EV Nt 2 4 EV Nt 2 EV Nt 34 EV Nt Water event 4 Steam event 2 Fig 3 7 Time Events 3 2 7 End of Profile State The end of profile state is a digital source which can be assigned in the same manner as any other digital signal The state is set automatic...

Страница 49: ...ent on a Soak Segment x3 Initial 40 minutes Ramp Time Lower display shows time remaining Ramp Time extended by 10 minutes to 50 minutes 30 minutes remaining Ramp Time extended a further 10 minutes to 60 minutes 40 minutes remaining Ramp Time reduced by 30 minutes to 30 minutes 10 minutes less than the initial Ramp Time 10 minutes remaining 275 0 275 0 20 0 30 0 40 0 10 0 0 40 20 0 50 20 0 60 20 0 ...

Страница 50: ... selected program HOLd Activates the Operator Hold Note If a digital input assigned to the run hold function has been used to run a program the user is prevented from activating the operator hold Profile Reset Select YES to restart the profile at the beginning of the program YES restart the profile NO do not restart the profile Note To end a program select HOLd at the Profile Status frame see abov...

Страница 51: ...es Only programs which have been set up in the profile program level level t can be selected Program Run Hold Source The run hold source is level triggered i e the active logic state must be maintained to select the alternative function See Rear Fold out Table C Digital Sources Note If a program is run using Program Run Hold Source Operator Hold is disabled until the Program Run Hold Source has be...

Страница 52: ...ital Sources Program Reset Source Select the source required to reset a running program The reset source is leading edge triggered See Rear Fold out Table C Digital Sources Note If the program is running normally and is reset the program returns to the beginning of the first segment and continues to run If the program is on hold and is reset the program returns to the beginning of the first segmen...

Страница 53: ...ding edge triggered See Rear Fold out Table C Digital Sources Segment Time Adjust Value Current Segment The value set is added to or subtracted from the remaining time of a running segment via a digital signal or from front panel keys when in the Time Remaining in Current Segment frame of the Operating Page 0 1 to 100 0 or OFF The time units are set in the Time Units frame If OFF is selected this ...

Страница 54: ...d Note Option d does not work with segments of more than 24 hours duration or if the power down time is greater than 24 hours When power is restored the profile is set to operator hold mode and the profile position is unchanged Power down Time Period Power down recovery options A b C Set the time period during which if power is restored the profile continues from the point at which power failed If...

Страница 55: ...segment 1 to 30 or OFF Setting this parameter to OFF prevents the program being selected Note Program 1 cannot be switched off Program End Select the program end segment 1 to 30 Note If the program end segment is less than the program start segment the display reverts to the Program Begin frame Select Segment Select the segment to be programmed Valid segments of selected program or NONE When all s...

Страница 56: ...ent start end values are the same or the ramp type is set to tIME advance to the Segment Time frame If segment start end values are different and the ramp type is set to rAtE advance to the Ramp Rate frame Segment Time 0 to 999 9 The time units hours or minutes are configured in Ramp Soak Time Units frame Profile Control Page Ramp Rate 0 001 to 9999 engineering units per time period The time perio...

Страница 57: ...Note If 1 is selected the program runs twice if 99 is selected the program runs 100 times in total If INFN infinity is selected the program is repeated until stopped by the operator Guaranteed Ramp Hysteresis 0 001 and 9999 in engineering units or 0 if no deviation from the profile is allowed Guaranteed Soak Hysteresis 0 001 and 9999 in engineering units or 0 if no deviation from the profile is al...

Страница 58: ...mote set point ratio bias Cascade set point ratio bias Ramp rate LEV4 Alarm Trip Points Alarm 1 to 8 trip points LEV5 50 COdE OFF AtNE LEV1 OPEr LEV t LEV2 P PrG tUNE LEV1 OPEr Press and hold Invalid password LEV 5 VLVE LEV6 APPL Valid Configuration Password Valid Set Up Password Valid Profile Configuration Password 350 0 351 5 70 350 0 351 5 70 Motorized Valve Set Up With feedback Feedback ratio ...

Страница 59: ...ng Control Output PV OFF ON Hysteresis Value Set Point Direct Acting Control Output PV OFF ON Hysteresis Value 100 Output 1 Y1 St Y2 St Output 2 PID Output Hys 2 Level 2 Tune Note To select this frame from anywhere in this page press and hold the key for a few seconds Cycle Time Output 1 1 0 to 300 0 seconds for time proportioning or OnOF for on off control Note On off Control is not available on ...

Страница 60: ...n time for the master controller if a cascade template is selected see Section 5 2 Control Configuration Template Application Integral Action Time 2 3 and 4 1 to 7200 seconds or OFF IAt 2 is the integral action time for the slave controller if a cascade template is selected see Section 5 2 Control Configuration Template Application Derivative Action Time 1 0 1 to 999 9 seconds or OFF drV 1 is the ...

Страница 61: ...ntegral action enabled 0 0 to 100 Note Manual reset is applied whether or not an integral action time is set Manual Reset Value 2 As Manual Reset Value 1 but applied to the slave output 0 0 to 100 Note Manual reset is applied whether or not an integral action time is set Feedforward Gain The feedforward value applied to the control output is disturbance variable x feedforward gain bias 0 1 to 999 ...

Страница 62: ... 1 Reverse direct or direct reverse Reverse reverse or direct direct 4 2 Level 2 Tune Feedforward Bias 100 0 to 100 0 Control Deadband When the process variable is in the deadband changes to the control output due to proportional and integral action are suppressed When a cascade template is selected the control deadband is applied to the master output only In engineering units or OFF Heat Cool Out...

Страница 63: ...Manual Station or Indicator templates are selected Level 3 Set Points Note To select this frame from anywhere in this page press and hold the key for a few seconds Local Set Point Value 1 Set the default local set point value Within set point high and low limits in engineering units see Level 9 Local Set Point Values 2 to 4 Within set point high and low limits in engineering units see Level 9 Casc...

Страница 64: ... is selected see Section 5 2 Basic Configuration Template Application Cascade Set Point Ratio In automatic mode the slave set point value is ratio x master output bias 0 001 to 9 999 Cascade Set Point Bias In engineering units Ramp Rate 1 to 9999 engineering units per hour or OFF The Ramping Set Point facility can be used to prevent a large disturbance to the control output when the set point valu...

Страница 65: ... 4 Alarm Trip Points Note Level 4 is not applicable if all alarm types are set to NONE see Section 5 4 Alarms Alarm Type y a l p s i D n o i t p i r c s e D y a l p s i D n o i t p i r c s e D E N O N e n o N 3 P L 3 P I s s e c o r P w o L V P H V P s s e c o r P h g i H O H t u p t u O h g i H 2 V P L V P s s e c o r P w o L O L t u p t u O w o L 2 P L H V P h c t a L h g i H 1 b H h g i H 1 k c...

Страница 66: ... Feedback Schematic Level 5 Valve Setup Note To select this frame from anywhere in this page press and hold the key for a few seconds Motorized Valve Ratio and Bias Desired valve position Ratio x PID output Bias Motorized Valve Ratio 0 01 to 10 00 Motorized Valve Bias 100 0 to 100 0 Motorized Valve Deadband 0 0 to 100 of the position feedback span Example If the valve is set to be driven to the 50...

Страница 67: ...viation is within the deadband setting 4 SET UP MODE Proportional Step Time Control Deviation Raise Lower Time Integral Action Pulses Proportional Step Proportional Step Integral Action Pulses Calculation for Control Pulses Boundless Control The following calculations are shown for guidance when setting deadband proportional and integral values They can be used to check the suitability of boundles...

Страница 68: ...lve Setup Boundless 4 SET UP MODE Level 5 Valve Setup Note To select this frame from anywhere in this page press and hold the key for a few seconds Boundless Deadband In engineering units Regulator Travel Time The time taken for the regulator to travel from the fully open to the fully closed position 1 to 5000 seconds Return to top of page ...

Страница 69: ... LEVC ASSN LEVd SErL CAL LEVE CAL LEVb OPEr Basic Configuration Template application Output type Control action Mains rejection frequency Analog Inputs 1 to 3 Type Electrical range Decimal places Engineering range Broken sensor drive Input filter time constant Alarms 1 to 8 Type Trip level Hysteresis band Global Acknowledgement Set Points Tracking enable Set point limits Local set point sources 1 ...

Страница 70: ...t a l p m e T L S 1 0 y l n o t n i o p t e s l a c o l h t i w p o o l e l g n i S L S 2 0 t n i o p t e s e t o m e r h t i w p o o l e l g n i S M A 3 0 n o i t c e l e s l a n g i s w o l h t i w n o i t a t s l a u n a M o t u A M A 4 0 n o i t c e l e s l a t i g i d h t i w n o i t a t s l a u n a M o t u A b A 5 0 n o i t c e l e s l a n g i s w o l h t i w p u k c a b g o l a n A b A 6 0 ...

Страница 71: ...ble with templates 10 12 13 and 15 3 Output type bNd Motorized valve without feedback is not available with templates 9 10 and 13 y a l p s i D e p y T t u p t u O E N O N e n o N G L n A 1 o a t u p t u o l o r t n o C t u p t u o g o l a n A Y L r 1 Y L R t u p t u o l o r t n o C t u p t u o y a l e R G I d 1 o d t u p t u o l o r t n o C t u p t u o l a t i g i D b F P k c a b d e e f h t i w ...

Страница 72: ...trol Algorithm PV SPt B Motorized Valve Output with Feedback PFb Output Type C Motorized Valve Output without Feedback Boundless Process Open relay Close relay Valve Controller Control Algorithm PV SPt bNd Output Type HC rr HC rd HC dr HC Ar HC AA Output Types D Heat cool Output PV Relay or Digital or Analog Output Process Heat Output Cool Output Relay or Digital or Analog Output Control Algorithm...

Страница 73: ...ee parameter 6 02 5 CONFIGURATION MODE p o o L e l g n i S 1 t u p t u O 3 V E r e s r e v e R 3 r i d t c e r i D l o o C t a e H t a e H 1 t u p t u O l o o C 2 t u p t u O 4 d r e s r e v e R t c e r i D 4 r r e s r e v e R e s r e v e R 4 r d t c e r i D e s r e v e R 4 d d t c e r i D t c e r i D 6 03 6 06 Control Action Control Action Master Loop rEV Reverse dIr Direct Control Action Slave L...

Страница 74: ...p y T C H T 6 V m 0 5 o t 0 N N e p y T C H T 7 r e z i r a e n i l t o o r e r a u q s A m 0 2 o t 4 r R e p y T C H T 8 2 3 r e w o p A m 0 2 o t 4 S S e p y T C H T 9 2 5 r e w o p A m 0 2 o t 4 t T e p y T C H T U m o t s u C Level 7 Analog Inputs Note 1 Refer also to Rear Foldout Table A Template Applications Note 2 To select this frame from anywhere in this page press the key for a few secon...

Страница 75: ... of a fault being detected on the input the input is driven in the direction selected Input Filter Time Constant I P1 The input values are averaged over the time set 0 to 60 seconds Continued 5 CONFIGURATION MODE 0 FLt 1 7 07 1000 En1 H 7 04 0 EnI L UP b Sd1 7 05 7 06 D T R C H T e p y T C F n i M x a M n a p S n i M n i M x a M n a p S n i M B e p y T 8 1 0 0 8 1 0 1 7 0 2 7 2 3 8 7 2 1 E e p y T...

Страница 76: ...able 5 1 Broken Sensor Drive I P2 NONE No action Actual input values remain valid UP Input driven to the maximum upscale value 999 dN Input driven to the minimum downscale value 999 Filter Time Constant I P2 The input values are averaged over the time set 0 to 60 seconds Continued 5 CONFIGURATION MODE 1 Frames 7 09 to 7 14 are not displayed if Analog Input Type 2 is set to OFF 2 Displayed only if ...

Страница 77: ...put driven to the minimum downscale value 999 Filter Time Constant I P3 The input values are averaged over the time set 0 to 60 seconds Return to top of page 5 CONFIGURATION MODE y a l p s i D n o i t p i r c s e D y a l p s i D n o i t p i r c s e D F F O d e s U t o N 1 A m 0 2 o t 0 b B e p y T C H T 2 A m 0 2 o t 4 E E e p y T C H T 3 V 5 o t 0 J J e p y T C H T 4 V 5 o t 1 K K e p y T C H T 6...

Страница 78: ...alarm Alarm State A x Acknowledge State ACK x Process Variable On Off On Off Alarm On Alarm Off Negative Trip Value Positive Trip Value Low Deviation Alarm Control Set Point Hysteresis Low Deviation ve Trip Value Alarm On Alarm Off Hysteresis Low Deviation ve Trip Value Process Variable High Deviation ve Trip Value Hysteresis Alarm On Alarm Off Control Set Point Alarm On Alarm Off Positive Trip Va...

Страница 79: ...e Trip Point Alarm On Alarm Off Alarm Latched Alarm acknowledged by operator Hysteresis Process Variable High Latch Alarm Action Low Latch Alarm Action Trip Point Alarm On Alarm Off Alarm On Alarm Off High Process Low Process Hysteresis Hysteresis Process Variable Fig 5 5 High and Low Process Alarm Action Fig 5 6 High and Low Latch Alarm Action ...

Страница 80: ... Continued 8 00 8 03 5 CONFIGURATION MODE 1 Applies to the PID output with single or heat cool output types selected see Section 5 2 y a l p s i D n o i t p i r c s e D y a l p s i D n o i t p i r c s e D E N O N e n o N 3 P L 3 P I s s e c o r P w o L V P H V P s s e c o r P h g i H O H t u p t u O h g i H 1 V P L V P s s e c o r P w o L O L t u p t u O w o L 1 P L H V P h c t a L h g i H 1 b H h...

Страница 81: ...re at issue 4 and later All active and unacknowledged alarms can be acknowledged by a single digital input Set the source required to acknowledge all alarms See Rear Fold out Table C Digital Sources Return to top of page 5 4 Level 8 Alarms 5 CONFIGURATION MODE 8 04 8 25 0 trP x 8 05 8 06 8 07 NONE tYPx 8 04 8 10 8 13 8 16 8 19 8 22 8 08 8 11 8 14 8 17 8 20 8 23 0 HYS x 8 09 8 12 8 15 8 18 8 21 8 2...

Страница 82: ...fine the maximum and minimum values to which the local and or remote set points can be adjusted The set point limits do not apply when in Manual mode with local set point tracking enabled If the set point is outside its limits when Automatic mode is selected the set point value can only be adjusted towards its limits Once within the limits they apply as normal Control Set Point CSPT or Master Set ...

Страница 83: ... Sources Local Set Point Source 2 The source required to select local set point 2 LSP2 as the current local set point See Rear Fold out Table C Digital Sources Local Set Point Source 3 The source required to select local set point 3 LSP3 as the current local set point See Rear Fold out Table C Digital Sources Local Set Point Source 4 The source required to select local set point 4 LSP4 as the curr...

Страница 84: ...r Ratio Selection Source The source required to select remote set point mode or remote ratio mode when the ratio controller template is selected See Rear Fold out Table C Digital Sources Ramp Soak Enable Note This frame is applicable only to software at issue 4 and later OFF Ramp Soak features disabled ON Ramp Soak features enabled Return to top of page NONE Lr 5r 9 12 NONE r SrC 9 14 NONE LC 5r 9...

Страница 85: ... S y a l p s i D g n i t t e S 0 e d o m t s a L 5 e d o m o t u A t e s e r m r e t l a r g e t n i 1 g n i s u e d o m l a u n a M t u p t u o t s a l 6 e d o m o t u A m r e t l a r g e t n i t s a l g n i s u 2 h t i w e d o m l a u n a M t u p t u o 0 0 7 e g a t u o r e w o P y r e v o c e R r e w o P e d o m o t u A e m i t e m i t y r e v o c e R e g a t u o t u p t u o t s a l e d o m l a...

Страница 86: ... current output value becomes the low limit until the value rises above the limit set 0 0 to 100 0 Output 1 Heat High Limit Heat Cool Control Limits the high level of control output 1 in automatic mode If the control output is above this limit when automatic mode is selected the current output value becomes the high limit until the value falls below the limit set 0 0 to 100 0 Output 2 Cool High Li...

Страница 87: ...he control output or both control outputs for heat cool 0 01 to 99 99 change per second or OFF Note The default slew rate setting is applied to both increasing and decreasing output values The slew rate setting can be applied to either increasing values only or decreasing values only using the PC Configurator Slew Rate Disable Source The digital source required to disable slew rate control of the ...

Страница 88: ...auto manual station The source required to lock into manual mode with Configured Output 3 Switching from manual to auto is not possible via the front panel See Rear Fold out Table C Digital Sources Note If template 3 is selected the source is assigned to alarm 1 If template 4 is selected the source is assigned to digital input 1 Configured Output 3 The control output value required when manual mod...

Страница 89: ... proportional 3 and integral 3 terms as the tuning parameters See Rear Fold out Table C Digital Sources Tune Parameter Source 4 Gain Scheduling Determine the digital source used to select the proportional 4 and integral 4 terms as the tuning parameters See Rear Fold out Table C Digital Sources Return to top of page OFF A 5rC A 18 OFF t4 Sr A 22 OFF t3 5r A 21 OFF t2 Sr A 20 OFF t1 Sr A 19 2 2 2 2 ...

Страница 90: ... w t e b g n i h c t i w s h t i w t u b e v o b a s A d e y a l p s i d e r a s r e t e m a r a p e v a l s n e h w 3 c L L 2 3 c L L 3 3 c L L 4 3 Level B Operator Configuration Note To select this frame from anywhere in this page press and hold the key for a few seconds Front Panel Auto Manual Key Enable YES Enabled NO Disabled Front Panel Local Remote Key Enable Front Panel Alarm Acknowledge K...

Страница 91: ...onfiguration Password Note This frame is applicable only to software at issue 4 and later Enables access to the profile states profile control and profile program levels levels P r and t and the autotune facility 0 to 9999 default 0 Set Up Password Enables access to the set up levels levels 2 3 4 and 5 and the auto tune facility 0 to 9999 default 0 Configuration Password Enables access to the conf...

Страница 92: ...o set the weekday of the on board clock 1 to 7 1 Sunday 7 Saturday Hour Setting Use to set the hour of the on board clock 0 to 23 Minute Setting Use to set the minute of the on board clock 0 to 59 Current Time Actual on board clock time Hours Mins Bargraph Increment Deviation represented by each bargraph element 1 to 10 of engineering range Return to top of page ...

Страница 93: ... frame from anywhere in this page press and hold the key for a few seconds Analog Digital Output 1 ao1 do1 Type Select the output type for Output 1 ANLG Analog dIG Digital Press to advance to Analog Output 1 Assignment Source Press to advance to Digital Output 1 Assignment Source Continued C 00 C01 5 CONFIGURATION MODE 1 If the output is assigned to a control output by the control type the setting...

Страница 94: ...ize for either an active or inactive digital signal POS Output energized when source is active NEG Output energized when source is inactive Continued 1 If the output is assigned to a control output by the control type the setting displayed cannot be changed see Section 5 2 Basic Configuration Control Output Type 2 Not applicable if digital output 1 is assigned to a control output tYP1 dIG NONE dGI...

Страница 95: ...gineering range value at which maximum output is required In engineering units Retransmission 1 Engineering Low The engineering range value at which minimum output is required In engineering units Continued 5 CONFIGURATION MODE 5 8 2 Analog Output 1 1 If the output is assigned to a control output by the control type the setting displayed cannot be changed see Section 5 2 Basic Configuration Contro...

Страница 96: ...sion 2 Engineering High The engineering range value at which maximum output is required In engineering units Retransmission 2 Engineering Low The engineering range value at which minimum output is required In engineering units Continued 0 0 r2L C 14 NONE AN2 A C 10 20 0 AN2H C 11 4 0 AN2 L C 12 100 0 r2H C 13 rLY1 NONE 1 1 1 1 1 2 2 dG1 P 0 0 r1L 0 0 5 8 3 Analog Output 2 1 If the output is assign...

Страница 97: ...Polarity The relay can be set to energize for either an active or inactive digital signal POS Relay energized when source is active NEG Relay energized when source is inactive Relay 3 Assignment Source Select the source required to activate relay output 3 See Rear Fold out Table C Digital Sources Relay 3 Polarity The relay can be set to energize for either an active or inactive digital signal POS ...

Страница 98: ...splayed if relay is assigned to a control output signal 3 Not applicable if relay is assigned to a control output 4 Displayed only if relay ouput is fitted Relay 4 Assignment Source Select the source required to activate relay output 4 See Rear Fold out Table C Digital Sources Relay 4 Polarity The relay can be set to energize for either an active or inactive digital signal POS Relay energized when...

Страница 99: ...nnection 2400 baud rate 3 2 wire connection 9600 baud rate 4 4 wire connection 9600 baud rate 5 2 wire connection 19200 baud rate 6 4 wire connection 19200 baud rate Parity NONE None Odd Odd EVEN Even Modbus Address Each slave on a Modbus link must be assigned a unique address see IM C350 MOD 1 to 99 Return to top of page 5 9 Level D Serial Communications Configuration Note Level D is applicable o...

Страница 100: ...ering Units Span Adjustment 0 750 to 1 250 If the and keys are not operated for three seconds the display reverts to the span value only Analog Input 2 Offset Calibration Analog Input 2 Value in Engineering Units Offset In engineering Units If the and keys are not operated for three seconds the display reverts to the offset value only Analog Input 2 Span Calibration Analog Input 2 Value in Enginee...

Страница 101: ...or three seconds the display reverts to the offset value only Position Feedback Calibration Select the calibration required NO No Calibration AUtO Auto Calibration _AN Manual Calibration Regulator Travel Time 0 to 5000 seconds Ensure that the value entered is compatible with the regulator motor as this is used to determine the length of travel of the feedback mechanism Motorized Valve Feedback Ful...

Страница 102: ...5 C Cold Junction Beta Value This value should be changed only if a new CJ sensor is supplied with a CJ Beta value different to 3977 The beta value of the CJ sensor Cold Junction Reading I P1 and I P2 The temperature measured by the cold junction sensor is displayed in C Cold Junction Reading I P3 The temperature measured by the cold junction sensor is displayed in C Return to top of Calibration L...

Страница 103: ...at will cause undue harm to the environment However the unit contains a small lithium battery This should be removed and disposed of responsibly in accordance with local environmental regulations The remainder of the unit can be safely considered as normal waste and disposed of accordingly 6 1 Mechanical Installation 6 1 1 Siting Figs 6 1 and 6 2 Caution Select a location away from strong electric...

Страница 104: ... 4 Overall dimensions are shown in Fig 6 3 Note For NEMA4X protection a minimum panel thickness of 2 5mm is recommended 96 3 78 122 5 4 82 17 5 0 69 Dimensions in mm in 96 3 78 Panel Cut out 30 1 18 14 0 55 91 8 3 61 5 0 0 2 92 0 8 0 0 3 622 0 0 0 03 92 0 8 0 0 3 622 0 0 0 03 Fig 6 3 Overall Dimensions ...

Страница 105: ...ions Instruments may be close stacked to DIN 43835 Insert the instrument into the panel cut out Fit the panel clamps ensuring that the lugs are located correctly in their slots Secure the panel clamp using the retaining screws The rubber friction sleeve prevents over tightening Ground studs Fig 6 4 Mounting ...

Страница 106: ...nting Figs 6 3 to 6 5 Release the jacking screw cover Turn the jacking screw anticlockwise to pull the instrument from the case 1 2 Note Refitting is the reversal of removal Fig 6 5 Inserting Removing the Instrument from the Case ...

Страница 107: ...he load currents The terminals accept cables up to 14AWG 2 5mm2 The COMMANDER 355 conforms to Insulation Category 2 Pollution Degree 2 EN61010 1 All connections to secondary circuits must have basic insulation After installation there must be no access to live parts e g terminals Terminals for external circuits are for use only with equipment with no accessible live parts Caution If the COMMANDER ...

Страница 108: ... 4 RLY4 RS485 RTD RTD 24V 2 wire Transmitter PSU Common Analog Input 3 I P3 Analog Input 1 I P1 Analog Input 2 I P2 See Fig 6 7 Digital Input Common Digital Input 1 di1 Digital Input 2 di2 Output Power Supply Terminals Option Board Terminals Input Terminals Terminal blocks viewed from rear of case Digital Analog Output 1 ao1 do1 Caution The AC power supply ground cable must be connected to a Groun...

Страница 109: ... lead RTD milliamps 28 29 30 31 milliamps 2 wire Transmitter RTD RTD RTD 2 lead RTD and Resistance 100Ω 100Ω Tx Milliamps 100Ω 2 wire Transmitter 100Ω Millivolts Tx 32 36 CJ Sensor THC Analog Input 1 I P 1 Analog Input 2 I P 2 THC milliVolts and volts RTD 3rd lead RTD 3 lead RTD milliAmps 33 34 35 milliAmps 2 wire Transmitter RTD RTD RTD 2 lead RTD and Resistance 100Ω 100Ω Tx CJ Sensor Analog Inpu...

Страница 110: ...lay Links Fig 6 9 Set the links on the option board if fitted 6 4 Digital Output 15 V DC min at 20 mA Min load 750 Ω 6 5 Control or Retransmission Analog Output Max load 15 V 750 Ω at 20 mA Isolated from analog input dielectric strength 500V for 1 minute 6 INSTALLATION LK3 LK4 LK3 Relay 3 LK4 Relay 4 Normally Closed Normally Open Fig 6 9 Relay Links Note The default setting for the relay links is ...

Страница 111: ...millivolt inputs and the appropriate thermocouple linearizer is selected This is possible only via the PC Configurator 6 INSTALLATION 0 100 Motorized Valve Drive N N L L Motorized Valve Drive Valve Positioner Power Supply 0 100 Link 0 100 34 33 35 8 9 5 6 A Relay Connections Motorized Valve Drive B Feedback Connections V mA or mV Input Types C Feedback Slidewire Connection 100Ω mA inputs only 33 3...

Страница 112: ... i c e f a s y l l a c i s n i r t n i r o f e u l B e s a C L n o C e F 0 1 7 3 4 N I D 0 1 7 3 4 N I D e u l B d e r e u l B e u l B 6 7 2 3 lead Resistance Thermometer RTD Inputs The three leads must have equal resistance not exceeding 30Ω each 6 7 3 2 lead Resistance Thermometer RTD Inputs If long leads are necessary it is preferable to use a 3 lead RTD If the RTD is to be used in a hazardous ...

Страница 113: ...lectable via digital signals Autotune On demand for 1 4 wave or minimal overshoot Process Alarms Number 8 Types High low process High low output High low deviation Hysteresis Level and time Alarm enable disable Enable disable of alarms via digital signal Real Time Alarms Number 2 Programmable On time day and duration Accessed via PC Configurator Analog Inputs Universal Process Inputs Number 2 stan...

Страница 114: ...General Safety Pending UL General Safety Pending FM General Safety Pending Outputs Control Retransmission Outputs Number 2 standard Type 1 x Programmable as analog or logic digital output 1 x analog only Isolation Galvanically isolated from the rest of the circuitry Analog range 0 and 20mA programmable max 750Ω accuracy 0 25 Digital voltage 17V 20mA Relay Outputs Number 2 standard Type SPCO rated ...

Страница 115: ... V max AC 50 60Hz 24V DC Power consumption 15VA max Power interruption protection Up to 60ms Safety General safety EN 61010 1 Isolation All inputs outputs to earth 500V DC Analog Digital output 1 to rest of the circuitry 500V DC for 1 minute Analog Digital output 2 to rest of the circuitry 500V DC for 1 minute Serial communications to rest of the circuitry 500V DC for 1 minute Environmental Operat...

Страница 116: ... F 2 9 3 C F T 0 0 3 o t 0 5 2 0 5 5 o t 0 0 4 r o 1 0 5 0 9 0 C F d e t a t s e u l a v w o l e b d e e t n a r a u g t o n s i y c a r u c c a s e l p u o c o m r e h t S d n a R B r o F o r e z w o l e b n a p s n i M F º 6 2 1 C º 0 7 T e p y T F º 9 8 1 C º 5 0 1 N e p y T s d r a d n a t s C H T 0 1 7 3 4 N I D 4 8 5 C E I D T R e g n a R m u m i x a M C e g n a R m u m i x a M F g n i d a e...

Страница 117: ...x rAtO bIAS I P1 Local Set Point Profile Set Point PV CSPt PID Control Loop Single Loop Control provides basic feedback control using three term PID or On off control The controller output is calculated from the difference between the process variable and the control set point The control set point can be a fixed value entered by the user a value from a remote source or a value derived by the prof...

Страница 118: ...ATES Process Variable Master Output ao1 Digital Select I P2 PV Output Status Relay 1 External Relay I P1 ao1 Master Output Process Master Controller C350 Process Variable di 1 Master Output ao1 Digital Select I P2 PV Output Status I P1 ao1 Actuator Process Master Controller C350 Series Connection Parallel Connection Actuator di 1 Fig A1 Series and Parallel Operation ...

Страница 119: ...he master output template 3 or via a digital signal template 4 When a fault is detected the COMMANDER 350 selects manual mode with its output either set to the last valid master output value or to a configured output value see Section 4 6 Control Configuration Configured Output 1 When the master signal is restored or the digital input returns to its normal state the COMMANDER 350 switches back to ...

Страница 120: ... on the master output template 5 or via a digital signal template 6 When a fault is detected the COMMANDER 350 switches into local control mode and the process is controlled by the PID output of the COMMANDER 350 The COMMANDER 350 PID algorithm continually tracks the master output value to ensure bumpless transfer from remote to local mode operation When the master signal is restored or the digita...

Страница 121: ... Configuration 2 Manual Output I P2 I P1 The Indicator manual Loader Station is used to display one or two process variables on the digital and bargraph displays If the control output is assigned to an analog output the lower display indicates its value which can be adjusted by the user This output can be used to manually control a process or to provide a set point value for another controller ...

Страница 122: ... Local Set Point PV CSPt 3 FFGN 0FF Profile Set Point A4 Single Loop Controller with Feedforward Templates 9 and 10 Single Loop Controller with Feedforward A disturbance variable is weighted by the feedforward gain FFGn and the feedforward bias FFbs values and then added to the controller output value Multiplication of the feedforward signal with the control output instead of addition can be selec...

Страница 123: ...used with the first master controller providing the set point for the second slave controller The two controllers are linked internally The master output can be weighted using the cascade ratio C r to and bias C b ia values to create the slave set point value When the auto manual mode is changed from the front panel or by a digital signal both the master and slave controllers change mode In manual...

Страница 124: ...ntrol Cascade with Feedforward Control Two PID controllers are implemented within the COMMANDER 350 with the first master controller providing the set point for the second slave controller The two controllers are linked internally To the master output slave set point a feedforward signal is added This signal is a disturbance variable which is weighted by the feedforward gain FFGn and the feedforwa...

Страница 125: ...et Point I P3 A7 Ratio Controller Templates 14 and 15 The Ratio Controller enables a controlled process variable to be maintained automatically in definite proportion to another variable known as the wild variable The wild variable weighted by ratio rAtO and bias bIAS values forms the control set point for the process variable The ratio value applied to the wild variable can be either a local valu...

Страница 126: ... A8 Ratio Station Templates 16 and 17 The Ratio Station provides a set point for a subsequent slave controller The wild variable is weighted by ratio rAtO and bias bIAS values and is then retransmitted as an analog output value The ratio value applied to the wild variable can be either a local value set on the front panel or a remote signal on an analog input The actual ratio of the process variab...

Страница 127: ...s n a i d e m s d n a r e p O s l a n g i s l a t i g i d r o g o l a n a y n a 0 r o 1 e u l a v e h t e v a h s l a n g i s l a t i g i d e g a r e v A l a t i g i d y b t e s e r d o i r e p e m i t e l b a t c e l e s a r e v o l a n g i s g o l a n a n a f o e u l a v e g a r e v a e h T l a n g i s n o i t c e t e d m u m i x a M l a n g i s l a t i g i d y b t e s e r l a n g i s g o l a n ...

Страница 128: ...ormat The following sources can be programmed process variable inputs set point inputs position feedback input input to ratio bias block ratio inputs bias inputs disturbance variable inputs input to feedforward block feedforward term add to or multiply with PID O P B10 Connecting the COMMANDER PC Configurator APPENDIX B COMMANDER CONFIGURATION EDITOR Note The COMMANDER 350 must be in Configuration...

Страница 129: ...old Action S Segment End Value Skip Backward Source Skip Forward Source Start Value Segment Time Adjust Value Current Segment Decrement Source Current Segment Increment Source Current Segment Select Program Ramp Type Segment Self Seeking Set Point Skip Segment T Time Events FRAMES INDEX ENd S r 10 PG SL r 16 r H E r 14 SKP E r 17 t Ad E r 18 StP E r 15 HYS r t 11 GUAr t 08 HYS S t 12 PrSt P 00 P C...

Страница 130: ...utput 1 On off Hysteresis Value Output 2 On off Hysteresis Value Frame Title P Proportional Band 1 Proportional Band 2 Proportional Band 3 Proportional Band 4 R Ramp Rate Regulator Travel Time Remote Set Point Bias Remote Set Point Ratio S Set Points T Tune V Valve Set Up Mnemonic Number 1 xxx 4 01 2 xxx 4 02 3 xxx 4 03 4 xxx 4 04 5 xxx 4 05 6 xxx 4 06 7 xxx 4 07 8 xxx 4 08 Ab 1 2 15 Ab 2 2 16 S S...

Страница 131: ...k Range High Feedback Range Low G Global Alarm Acknowledge H Hour Setting Clock I Input 1 Broken Sensor Input 1 Decimal Point Input 1 Engineering High Input 1 Engineering Low Input 1 Filter Time Constant Input 1 Temp Units Input 1 Type Input 2 Broken Sensor Input 2 Decimal Point Input 2 Engineering High Input 2 Engineering Low Input 2 Filter Time Constant Input 2 Temp Units Input 2 Type Input 3 Br...

Страница 132: ...ay Enable Regulator Travel Time Relay 1 Polarity Relay 1 Source Relay 2 Polarity Relay 2 Source Relay 3 Polarity Relay 3 Source Relay 4 Polarity Relay 4 Source Remote Set Point Source RSPT Fault Action Frame Title S Serial Communications Serial Configuration Set Point Configuration Set Point 1 Source Set Point 2 Source Set Point 3 Source Set Point 4 Source Set Point Default Value Set Point High Li...

Страница 133: ...pensation 100 107 109 Failed 9 Configuration Error 9 C Configuration Password 89 Configured Outputs 1 to 3 86 See also Auto Manual and Backup Templates Control Action 71 Control Configuration Level A 83 Control Efficiency Monitor 39 Control Output Deadband 60 Control Set Point See Set Points Custom Linearizer 122 D Date and Time Setting 90 Deadband Control Output 60 Motorized Valve 64 Default Outp...

Страница 134: ...or Travel Time 64 66 99 Set Up 64 66 Mounting 102 O On Off Control 57 See also Control Types Operating Displays 3 Operator Configuration Level B 88 Operator Level 11 Operator Ratio Bias Display Enable 88 O Output Assignment Level C 91 Connections 106 108 109 Heat Cool 34 Limits 84 Slew Rate 85 Types 69 Output Sources Rear Fold out Table B P Panel Clamps 1 103 Password Auto Tune 89 Configuration 67...

Страница 135: ...e 54 Time 54 Time Adjustment 51 Self seeking Set Point 45 Serial Communications Level d 97 Set Points Configuration Level 9 80 Default Value 81 Limits 80 Operator Adjust Enable 88 Ramp Rate 62 Scaling 61 Selecting 81 Sources 81 Tracking 80 S Short cut Keys 7 Single Loop Controllers 12 17 21 30 111 114 116 119 Siting 101 Slave Controller See Cascade Controllers Slave Set Point See Cascade Controlle...

Страница 136: ...134 NOTES ...

Страница 137: ...135 NOTES ...

Страница 138: ...136 NOTES ...

Страница 139: ...R 1 G S t n e v E 1 t n e m g e S e r u l i a F s e t a t S 1 N I F d e l i a f 1 t u p n I 2 N I F d e l i a f 2 t u p n I 0 3 G S t n e v E 0 3 t n e m g e S 3 N I F d e l i a f 3 t u p n I N U r g n i n n u R m a r g o r P 1 K b L 1 t u p t u o g o l a n a k a e r b p o o L d L H H d l o H m a r g o r P k c a b d l o H G O d e v i t c a g o d h c t a W d L H O d l o H m a r g o r P r o t a r e ...

Страница 140: ...r n o i t a t s o i t a R e l b a i r a V s s e c o r P e l b a i r a V d l i W 7 1 S r o i t a r l a n r e t x e h t i w n o i t a t s o i t a R e l b a i r a V s s e c o r P e l b a i r a V d l i W o i t a r e t o m e R y l n o s e p y t t u p t u o e v l a V d e z i r o t o M g n i t t e S e p y T t u p t u O s y a l e R s t u p t u O g o l a n A l a t i g i D t u p t u O 1 y l R 2 y l R 3 y l ...

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