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Chapter 2 – Explanation of Functions

2.8 Encoder

Errors

If the signal from encoder doesn’t correspond to the inverter output for any reason, then the inverter
displays a trip event.

1. Speed deviation error

Inverter enters the trip state when a speed deviation is detected due to abnormal signal from encoder
or abnormal shaft speed caused by the load. For inverter to record a trip event, the speed difference
between reference and actual motor speed must be more than the threshold for 200ms. The threshold
for speed deviation (P027) is configurable. An output signal for excess speed deviation (22: [DSE])
can be assigned to an intelligent output terminal for use by an external controller or other device.

Speed overshoot due to the inertia of the load can also trigger this function.

This function can be disabled with parameter P051.

Error display (Speed deviation)
OPE-S: E63.X or E73.X
SRW: OP1-3 or OP2-3

2. Motor rotational direction error

When the encoder is connected with A and B phases reversed and the motor turns in a wrong
direction, the inverter records a trip event. In other words, if a forward (reverse) rotation is commanded
but the feedback signal from the encoder indicates reverse (forward) rotation for 200ms, then the
inverter will trip. The motor rotational direction signal (27: DRN) can be assigned to an intelligent
output terminal for use by an external controller or other device.

Motor rotational direction error can also be triggered by reverse torque bias or the car slipping upward
or downward on brake release.

This function can be disabled by parameter P051.

Error display (Motor rotational direction)
OPE-S: E64.X or E74.X
SRW: OP1-4 or OP2-4

Function

Code

Function Name

Setting Range

Remarks

P027

Threshold to detect

speed deviation error

0.00-99.99/100.0-120.0(Hz)

P050

Encoder disorder

trip selection

(Speed deviation)

－

00: OFF, 01: ON

P051

Encoder disorder

trip selection

(Motor rotational direction)

－

00: OFF, 01: ON

C021 -

C026

Intelligent output terminal

1 - 5

－

22: DSE, 27: DRN

21

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Содержание SJ300-EL Series

Страница 1: ...s NOTE REFER ALSO TO SJ300 SERIES INSTRUCTION MANUAL NB613X Hitachi America Ltd After reading this manual keep it handy for future reference Manual Number HAL6114X February 2005 SJ300 EL Series Inverter for Elevator Applications Instruction Manual Supplement ...

Страница 2: ...NOTES 2 ...

Страница 3: ...Battery backup function 16 2 6 Control mode changeover in case of emergency 19 2 7 Braking control function 19 2 8 Encoder Errors 21 2 9 Frequency Conversion Function 22 2 10 Encoder Phase Configuration 23 2 11 Auto tuning with Elevator Cable Connected to Motor Shaft 23 3 Parameter Setting Tables 25 4 Adjustment 33 4 1 Frequency Source Setting 33 4 2 Setting and Adjustment of Motor Constants 34 4 ...

Страница 4: ...NOTES 4 ...

Страница 5: ...rtion can be adjusted separately 2 Acceleration deceleration time setting of multi stage speed Acceleration deceleration time can be set for each multistage speed 0 7 independently 3 Gain adjustment P gain I gain P gain and I gain can be adjusted for each of up to 8 eight preset frequencies 4 Torque bias gain adjustment Torque bias setting input can be given via voltage input or torque bias input ...

Страница 6: ...nd motor constant selection H203 2nd allowable motor selection H204 2nd motor pole selection H205 2nd speed response setting H206 H306 2nd and 3 rd stabilized factor H220 2nd motor constant R1 H221 2nd motor constant R2 H222 2nd motor constant L H223 2nd motor constant I0 H224 2nd motor constant J H230 2nd motor constant R1 Autotuning data H231 2nd motor constant R2 Autotuning data H232 2nd motor ...

Страница 7: ...4 PIDC Intelligent output terminal 04 OD 8 Up Down Function Up Down Memory Mode Selection C101 UP DWN selection Intelligent input terminal 27 UP 28 DWN 29 UDC 9 Country code for initialization b085 Country code for initialization 10 Rotational direction restriction b035 Operation direction restrict 11 Controlled deceleration and stop at power loss b050 b054 Stopping of deceleration at power OFF 12...

Страница 8: ...Chapter 1 General Description NOTES 8 ...

Страница 9: ... acceleration 0 50 Portion A P062 Curve ratio 1 during deceleration 0 50 Portion C P063 Curve ratio 2 during deceleration 0 50 Portion D Note 1 A linear characteristic will result A097 A098 00 if 0 is set for the curve ratio Note 2 A linear characteristic will result if the change of the target speed is less than or equal to 10 of the maximum frequency Note 3 All of the curve constants are ignored...

Страница 10: ... 01 99 99 100 0 999 9 1000 3600 s A022 Multi speed 2 0 00 starting frequency maximum frequency Hz A222 Acceleration time for multi speed 2 0 01 99 99 100 0 999 9 1000 3600 s A322 Deceleration time for multi speed 2 0 01 99 99 100 0 999 9 1000 3600 s A023 Multi speed 3 0 00 starting frequency maximum frequency Hz A223 Acceleration time for multi speed 3 0 01 99 99 100 0 999 9 1000 3600 s A323 Decel...

Страница 11: ...ion time for multi speed 0 1 Multi speed 7 creep speed Multi speed 7 Creep speed Multi speed 0 Figure 1 Timing chart for creep speed Note 1 A linear characteristic will result if the change of the target speed is the same or less than 10 of the maximum frequency Note 2 The time setting is the time it takes to accelerate from zero to the maximum frequency and to decelerate from the maximum frequenc...

Страница 12: ... the following figure ON ON ON ON ON deceleration time for multi speed m multi speed n 1 deceleration time for multi speed 0 acceleration time for multi speed n Output frequency multi speed m not using multi speed 7 time RUN command FW RV multi speed n multi speed m multi speed 0 Figure 2 Timing chart when not using creep speed at stop 12 ...

Страница 13: ...ntained when a higher target frequency is set How to Adjust Increasing line can also be set f8 G8 G8 is maintained if output frequency exceeds f8 0 Output frequency Hz f1 f2 f3 f4 f5 f6 f7 Figure 3 Multispeed Gain Effect f8 100 Gain Base line initial setting f1 G1 G1 is maintained if only f1 is set ex Start point is 0Hz 100 1 The purpose of this function is to get high gain at brake OFF and at sto...

Страница 14: ...76 max frequency P080 P gain 1 0 100 P081 P gain 2 0 100 P082 P gain 3 0 100 P083 P gain 4 0 100 P084 P gain 5 0 100 P085 P gain 6 0 100 P086 P gain 7 0 100 P087 P gain 8 0 100 P090 Frequency 1 for I gain adjustment 0 max frequency P091 Frequency 2 for I gain adjustment 0 or P090 max frequency P092 Frequency 3 for I gain adjustment 0 or P091 max frequency P093 Frequency 4 for I gain adjustment 0 o...

Страница 15: ...10 FW side balance value 0 0 10 0 V Total weight output at balanced point FW direction side P111 RV side balance value 0 0 10 0 V Total weight output at balanced point RV direction side P112 FW side gain 0 0 200 0 Torque value to be added in case of max weight FW direction side P113 RV side gain 0 0 200 0 Torque value to be added in case of max weight RV direction side P114 Time constant of the fi...

Страница 16: ...nt Balance adjustment Put weight in the elevator car to balance it with the counterweight Then adjust the following parameters to make the deviation values at points A d107 and B d108 0 zero Balance value P110 P111 100 V 10 V V 1 1 V1 Voltage when the car and counterweight are balanced see Figure 5 d Gain adjustment Gain V V V V V 10 82 1 100 1 2 α α Torque bias value at maximum load weight V1 Vol...

Страница 17: ...TR SJ300EL Intelligent output terminals 15 11 CM2 A kW ALARM Hz V POWER 200 240V 10 50 60Hz 5 FUNC R T J51 UPS power supply AC100V 10 or AC200V 10 UPS power supply AC100V 10 X 2 1 RUN STOP RESET PRG RUN TH CM1 Thermistor PLC FW 1 FM DC24V FW drive Intelligent input terminals 5 contacts FM output PWM Jumper bar Emergency drive signal X Note 8 17 ...

Страница 18: ...ot exceed 500A in case of connecting the battery at emergency Select a contactor for X which can withstand the surge current Note 5 If there has been a fault when going into the emergency driving mode clear the error first Note 6 Output frequency of the inverter during emergency driving mode fE must not exceed the following value 3 2 35 1 V V f f m B b E fb Rated base frequency of the motor VB Vol...

Страница 19: ...orless vector SLV 03 0 Hz domain SLV C001 C008 Intelligent input terminals 1 8 Set to 52 ECM 2 7 Braking control function The following functions are added to the brake control function vs the standard SJ300 series 1 Brake ON and OFF frequency Brake ON frequency and brake OFF frequency can be set separately 2 Delay time at brake BRK OFF Delay time can be set at brake OFF example 1 Timing chart bel...

Страница 20: ...b122 Waiting time for acceleration b125 releasing frequency Output frequency Output b123 Waiting time for releasing brake confirmation Function Code Function Name Initial Setting Remarks b120 Braking control selection 00 b121 Waiting time for releasing braking conformation 0 00 s b122 Waiting time for acceleration 0 00 s b123 Waiting time for stop 0 00 s b124 Waiting time for signal conformation 0...

Страница 21: ... or OP2 3 2 Motor rotational direction error When the encoder is connected with A and B phases reversed and the motor turns in a wrong direction the inverter records a trip event In other words if a forward reverse rotation is commanded but the feedback signal from the encoder indicates reverse forward rotation for 200ms then the inverter will trip The motor rotational direction signal 27 DRN can ...

Страница 22: ...ault setting is Hz frequency This function is activated by setting parameter A074 to 01 and inputting the vertical speed at maximum frequency into parameter A075 This value is often referred to as the contract speed of the elevator The inverter does all the calculations to display the proper units Parameters that would be converted include Scaled Output Frequency Monitor d007 Output Frequency Sett...

Страница 23: ...P010 as shown below Function Code Function Name Setting Range Remarks P010 Encoder phase configuration 00 OFF A phase first 01 ON B Phase first 2 11 Auto tuning with Elevator Cable Connected to Motor Shaft With this function motor constants can be measured without disconnecting the cable from the motor and inverter parameters can be auto tuned Motor constants R1 R2 and L are automatically measured...

Страница 24: ...24 Chapter 2 Explanation of Functions NOTES ...

Страница 25: ...leration time for multi speed 5 0 01 99 99 100 0 999 9 1000 3600 s 5 0 A325 Deceleration time for multi speed 5 0 01 99 99 100 0 999 9 1000 3600 s 5 0 A026 Multi speed 6 0 00 starting frequency maximum frequency Hz 10 00 A226 Acceleration time for multi speed 6 0 01 99 99 100 0 999 9 1000 3600 s 5 0 A326 deceleration time for multi speed 6 0 01 99 99 100 0 999 9 1000 3600 s 5 0 A027 Multi speed7 c...

Страница 26: ...00 b006 Open phase selection 00 invalid 01 valid 00 b007 Frequency setting to match 0 00 99 99 100 0 400 0 Hz 0 00 b012 Electronic thermal level 0 2 constant current 1 20 constant current A Rated Current of inverter b013 1st electronic thermal characteristic selection 00 reduced characteristic 01 constant torque characteristic 02 free setting 01 b015 Free electronic thermal frequency 1 0 400 Hz 0 ...

Страница 27: ... Intelligent input 8 a b NO NC selection 00 NO 01 NC 00 C019 Input FW a b NO NC Selection 00 NO 01 NC 00 C021 Intelligent output 11 setting 01 FA1 C022 Intelligent output 12 setting 00 RUN C023 Intelligent output 13 setting 03 OL C024 Intelligent output 14 setting 19 BRK C025 Intelligent output 15 setting 21 ZS C026 Alarm relay output 00 RUN running 01 FA1 Frequency arrival type1 signal 02 FA2 ove...

Страница 28: ...ng C082 OI adjustment 0 9999 1000 6553 10000 65530 Setting on forwarding C083 O2 adjustment 0 9999 1000 6553 10000 65530 Setting on forwarding C085 Thermistor adjustment 0 0 1000 105 0 C086 AM offset adjustment 0 0 10 0 V 0 0 C087 AMI adjustment 0 255 80 C088 AMI offset adjustment 0 20 0 mA Setting on forwarding b034 RUN time Power ON time level 0 9999 1000 6553 10000 65530 hr 0 b036 Start reduced...

Страница 29: ...00 6553 10000 65530 Set on forwarding H001 Autotuning selection 00 Invalid 01 Valid the motor does not rotate 02 Valid the motor rotates 00 H002 1 st motor constant selection 00 Hitachi general purpose motor data 01 Autotuning data 02 Autotuning data with online autotuning 00 H003 1 st allowable motor selection 0 20 75 0 kW 0 2 160kW Set on forwarding H004 1 st motor pole selection 2 4 6 8 pole 4 ...

Страница 30: ...ect level setting 0 00 99 99 100 0 150 0 135 0 P027 Speed error over detect level setting 0 00 99 99 100 0 120 0 Hz 7 50 P031 Digital input option input mode selection Acc Dec 00 operator 01 option1 02 option2 00 P032 Stop position setting for orientation input mode selection 00 operator 01 option1 02 option2 00 P050 Encoder Fault Trip Selection Speed Deviation 00 OFF 01 ON 00 P051 Encoder Fault T...

Страница 31: ...ency 50 0 P100 I gain 1 0 100 80 P101 I gain 2 0 100 70 P102 I gain 3 0 100 60 P103 I gain 4 0 100 50 P104 I gain 5 0 100 50 P105 I gain 6 0 100 50 P106 I gain 7 0 100 50 P107 I gain 8 0 100 50 P110 FW side balance value 0 0 10 0 v 0 0 P111 RV side balance value 0 0 10 0 v 0 0 P112 FW side gain 0 0 200 0 0 0 P113 RV side gain 0 0 200 0 0 0 P114 Time constant of the filter 5 500 ms 5 Option X00x No...

Страница 32: ...Chapter 3 Parameter Setting Tables NOTES 32 ...

Страница 33: ...quency source setting A001 should be set to 02 operator 2 Analog Voltage or Current Input Speed can be controlled by analog voltage O 0 to 10V or analog current OI 4 to 20mA This method of frequency reference source might be used in order to utilize the acceleration or deceleration curves generated by a specialized elevator controller Consequently acceleration and deceleration time should be set c...

Страница 34: ...e 1 Motor Base Frequency A003 and motor maximum frequency A004 Set the Motor base frequency and maximum frequency setting 2 Motor AVR Voltage and Output Voltage Gain Set the motor AVR voltage and gain setting to match the motor nameplate data Some inverter duty motors may have special voltage ratings Set the parameters as follows Motor AVR votage A082 x Output voltage gain A045 Motor rated voltage...

Страница 35: ...r H033 Input excitation or no load current This can be obtained from motor specification sheets provided by the manufacturer If safe and feasible it can also be measured using a current clamp by running the motor with no load at base speed 9 Motor inertia J H024 or H034 In the beginning input approximately 6 times the inertia value of motor itself For further adjustment refer to Section 4 4 35 ...

Страница 36: ...igher gain at the time of brake release and at stopping while decreasing the gain at higher speeds In general gain should be set higher for frequencies slower than creep Gain for speeds higher than creep should be set lower in the range of 1 0 to 2 0 Abrupt changes of gain may cause shock to the system It is preferable to obtain smoother characteristic utilizing the multispeed gain function 0 10 2...

Страница 37: ...es below show the frequency of inverter output obtained from the analog voltage AM terminal The output of this frequency monitor signal is identical to actual rotation speed in vector mode with feedback Figure 2 2 Characteristics after inertia adjustment Brake release signal Figure 2 1 Characteristics before inertia adjustment Overshoot RPM monitor Creep speed Figure 2 1 Characteristic before iner...

Страница 38: ...ing the brake control signal Brake OFF frequency b127 Waiting time for acceleration Brake waiting time for release b121 Output frequency Hz Delay time b128 Time Running command FW RV Brake releasing output BRK Brake confirmation signal BOK Releasing frequency b125 Waiting time for stop b123 Waiting time for signal confirmation Waiting time for signal confirmation The brake release signal BRK becom...

Страница 39: ...e the motor shaft and tune the following parameters Operation frequency brake release frequency b125 brake wait time for release b121 brake OFF frequency b127 waiting time for stop b123 and speed gains Brake should be released using the overload advance warning signal OL which is detected internally by monitoring motor current Time lag to brake release is adjusted with external logic For the brake...

Страница 40: ...Chapter 4 Adjustment NOTES 40 ...

Страница 41: ...TED If the cable can be disconnected from the motor the online auto tuning can be performed in the same manner as the standard SJ300 inverter allowing the motor shaft to rotate H001 02 This is also referred to as DYNAMIC auto tuning See page A 3 AUTO TUNING WITH ELEVATOR CABLE CONNECTED TO MOTOR SHAFT If the cable CANNOT be disconnected perform auto tuning by the following procedure instead The mo...

Страница 42: ...meter D012 is less than 5 of rated torque 8 Make sure it is safe to run the car at contract maximum design speed 9 Run the car at contract speed fully loaded and at minimum load in both directions Be sure the torque and current never exceed 150 of the drive full load ratings Confirm this by monitoring parameters D002 for current in amperes and D012 for torque in percent of full load torque 10 Chec...

Страница 43: ...ng procedure requires that the inverter be configured to operate the 1st motor do not set the inverter to use 2nd and 3rd motor data during an auto tuning procedure Function Code Name Range Notes 00 Disabled 01 Enabled without motor rotation STATIC H001 Auto tuning Enable Setting 02 Enabled with motor rotation DYNAMIC 00 Inverter uses default TYPICAL motor parameters 01 Inverter uses Auto tuning m...

Страница 44: ...r rotation 7 hen using a motor that is one frame size smaller than the inverter rating enable the n set 8 ake sure A001 02 A097 00 and A098 00 Otherwise auto tuning will fail with a further in this procedure 1 specifications of the motor used in the auto tuning procedure V inverter Otherwise the motor characteristic measurements may be inaccurate B counterweight if cable is attached If Therefore d...

Страница 45: ...f the 100s sult of the auto tuning as follows NOTE During the AC and DC motor excitation steps above you may notice that the motor the auto tuning procedure is successful the inverter updates the motor characteristic ow return to Page 41 Step 3 steps 1 with motor rotation or DYNAMIC T following actions a b Second AC excitation motor does not rotate c First DC excitation motor does not rotate N fre...

Страница 46: ...gain Power loss or stop during auto tuning If the auto tuning procedure is interrupted by power loss the Stop key or by turning OFF the Run command the auto tuning constants may or may not be stored in the inverter It will be necessary to restore the inverter s factory default settings see Restoring Factory Default Settings on page 6 9 of the SJ300 Inverter Instruction Manual After reinitializing ...

Страница 47: ... 1 times preset R2 H031 Slowly increase the motor speed constant R1 in relation to auto tuning data within 1 to 1 2 times R1 H030 Regeneration status with a decelerating torque When low frequency a few Hz torque is insufficient Slowly increase the motor constant I0 motor no load current in relation to auto tuning data within 1 to 1 2 times preset I0 value H033 During acceleration A sudden jerk at ...

Страница 48: ...Appendix A Auto tuning Procedure NOTES 48 ...

Страница 49: ...der to eliminate the necessity of doing cumbersome manual calculations Hitachi has developed an automated Jerk Rate Calculator Program to do these calculations for you This program is available at the Hitachi America AC Inverter web site by going to www hitachi us inverters then navigate to the Software Downloads section in the right column You will find the calculator on that page The program wil...

Страница 50: ...Appendix B Jerk Rate Calculator Program 50 ...

Страница 51: ...ure detection 19 Encoder phase configuration 23 F Frequency conversion function 22 Functions added and modified 5 Functions deleted 6 I inertia constant 37 J Jerk Rate 49 L load cell 15 M motor constants 34 manual setting 34 47 Multi speed 10 33 Multi Speed Gain 13 P Parameter tables 25 Problems autotuning 46 R ride quality 38 rotational direction error 21 S S curve 5 9 SJ FB 5 speed deviation err...

Страница 52: ...February 2005 HAL6114X Hitachi America Ltd Tarrytown NY 10591 2005 www hitachi us inverters ...

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