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SIMOVERT P 6SE21 Series Inverters

English

Operating Instructions

Siemens plc 1995

G85139–A1615–U156–A
02.95

4

Contents (continued)

Page

Figures

1

Block Diagram Simovert P 6SE21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2

Voltage/Frequency Characteristic Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

3

Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

4

Connection Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

5

Fault Code Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

6

Closed Loop Speed Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

8

10
15
17
30
32

Note

These instructions do not purport to cover all details or variations in equipment, nor to provide for every
possible contingency to be met in connection with installation, operation or maintenance.

Should further information be desired or should particular problems arise which are not covered sufficiently
for the Purchaser’s purposes, the matter should be referred to the local Siemens Sales Office.

The contents of this instruction manual shall not become part of or modify any prior or existing agreement,
commitment or relationship. The Sales Contract contains the entire obligations of Siemens. The warranty
contained in the contract between the parties is the sole warranty of Siemens. Any statements contained
herein do not create any new warranties or modify the existing warranty.

Summary of Contents for Simovert P 6SE21 Series

Page 1: ...t Motor Connections 4 2 Control Connections 14 16 5 COMMISSIONING 18 5 1 Preparation for Switch On 5 1 1 Starting and Stopping the Inverter 5 1 2 Direction of Rotation 5 1 3 Jog Feature 5 1 4 Speed Control 5 2 First Switch On 5 3 Parameterisation 5 3 1 Changing Parameter Settings 5 3 2 Parameter Descriptions 5 4 Fault Indications 5 5 Fault Relay 18 18 20 20 20 20 21 21 22 30 31 6 USING CLOSED LOOP...

Page 2: ...cy to be met in connection with installation operation or maintenance Should further information be desired or should particular problems arise which are not covered sufficiently for the Purchaser s purposes the matter should be referred to the local Siemens Sales Office The contents of this instruction manual shall not become part of or modify any prior or existing agreement commitment or relatio...

Page 3: ...pment and with the hazards involved In addition the person must be 1 Trained and authorised to energise de energise clear ground and tag circuits and equipment in accordance with established safety practices 2 Trained in the proper care and use of protective equipment in accordance with established safety practices 3 Trained in rendering first aid DANGER For the purposes of this manual and product...

Page 4: ...eir 6SE21 range of inverters This service is available during normal working hours Monday to Friday If you require assistance contact our customer support personnel on the following number Tel 49 9131 7 23212 Fax 49 9131 7 29900 Please have the following information available before dialling inverter model number hardware type stored in P49 software version stored in P50 ...

Page 5: ...t to the inverter must be isolated from the mains if the earth leakage breaker is to operate effectively The dc link capacitors remain charged to dangerous voltages for up to five minutes after the incoming power has been switched off When the motor is not running dangerous voltages are still present on the power input terminals AND motor output terminals and also on the dc link terminals Under ce...

Page 6: ...P RS485 X11 X1 X1 ZK CPU A D BUS 15 V 10 V 2 3 4 13 6 7 9 12 11 16 17 18 19 20 21 14 15 SI SV R L 5 1 2 Control Facilities The inverter can be started stopped by any of the following means see parameter P05 in section 5 3 2 and also Figure 3 1 Connection of a latching switch to the run stop input terminals X11 2 3 2 Applying a rising edge i e momentary push button to the Run Stop input terminals X...

Page 7: ...n be adjusted to suit individual motor characteristics in the ways described in 1 4 1 and 1 4 2 1 4 1 Voltage Frequency Characteristic Six voltage frequency characteristic curves are available plus one programmable curve see Figure 2 They are intended for the following applications Curve 0 VN 50 Hz constant torque For standard 50 Hz induction motors with linear speed torque characteristics Curve 1...

Page 8: ... If required automatic boost may be used see section 5 3 2 Parameter P19 This measures the motor characteristics and selects a suitable boost voltage at first switch on 1 4 3 Current Limit The maximum output current available from the inverter can be adjusted to provide thermal protection of the motor and or limit the maximum motor torque see section 5 3 2 parameters P17 and P18 1 5 Options The fo...

Page 9: ...3 hp 4 8 A 2 2 kW 6 0 A 05 3AA21 10 0 A 16 0 A 7 6 A 3 0 kW 9 5 A 4 0 kW 8 1 A 5 hp 8 1 A 4 0 kW 11 4 A 08 3AA21 17 0 A 20 0 A 12 0 A 5 5 kW 17 0 A 7 5 kW 14 0 A 10 hp 12 0 A 7 5 kW 18 0 A 13 3AA21 342 550 V 3 phase 28 0 A 32 0 A 19 0 A 7 5 kW 23 0 A 11 0 kW 21 0 A 15 hp 19 0 A 11 0 kW 28 5 A 17 3AA21 342 550 V 3 phase 38 0 A 40 0 A 25 0 A 11 0 kW 32 0 A 15 0 kW 27 0 A 20 hp 25 0 A 15 0 kW 37 5 A ...

Page 10: ...apply Adequate protective clothing e g safety gloves goggles etc should be worn by the person installing this equipment Failure to observe the appropriate warnings and regulations may result in serious injury or death WARNING The inverter must be installed in a vertical position and fixed to a solid surface via its four mounting holes It is suitable for wall mounting or installation within a cubic...

Page 11: ...nsions in millimetres 185 209 197 144 257 197 293 SIEMENS SIMOVERT A B 375 325 225 249 237 411 162 SIEMENS SIMOVERT Exhaust Air COOLING FAN 258 258 225 249 237 172 561 667 190 A SIEMENS SIMOVERT 258 258 225 249 237 561 667 315 250 6SE2101 1AA11 6SE2102 1AA11 6SE2103 1AA11 6SE2103 3AA21 6SE2105 3AA21 6SE2108 3AA21 6SE2113 3AA21 6SE2117 3AA21 6SE2122 3AA21 6SE2127 3AA21 6SE2133 3AA21 6SE2142 3AA21 N...

Page 12: ... proper grounding to ensure that no accessible part of the equipment is at line or any other hazardous potential The User is responsible for installation of the motor drive controller transformer and other devices in accordance with regulations and local safety codes which may apply Pay special attention to proper conductor sizing fusing grounding isolating and disconnecting means and to overcurre...

Page 13: ...Stop Level or edge triggered P05 15 V Forward Reverse Closed reverse 10 V Ref Reference voltage for potentiometer 0 10 V Frequency setpoint voltage P04 0 V 0 4 20 mA Frequency setpoint current P04 0 V 0 10 V Frequency Output current indication 0 50 V Tachometer input 1AC 220 240 V 10 50 60 Hz 5 k Tacho 3 Figure 3 Connection Diagram X11 13 Jog Jog speed set by parameter P12 Ω DC Output X1 Connectio...

Page 14: ...in delta form Once the cables have been installed route them through the rubber cable grommets or if required use a proprietary cable gland 4 2 Control Connections Make the control connections to the top board X11 using shielded cable for analogue signals After installation route the control cable through the right hand cable grommet or if required use a proprietary cable gland The control cable s...

Page 15: ...0 240 V 50 60 Hz L3 L2 X1 L1 L1 L2 L3 PE Input 3AC 380 500 V 50 60 Hz Motor Tachometer Frequency Output Current Indicator Essential Optional OR X11 X11 0 10 V 0 20 mA 4 20 mA Frequency setpoint analogue RUN Forward Reverse Figure 4 Connection Example 13 Jog 20 21 19 Fault Indication to External Alarm 17 18 16 P 14 15 Serial Comms RS485 4 Trip PTC RUN OR OR 0 V R S 15 V M 3 Power Power ...

Page 16: ...possible damage to the inverter CAUTION Ensure that the cover is fitted correctly before switching on the inverter Wait at least five minutes after switching off before attempting to remove the plastic cover and work on the equipment This will allow time for the capacitors within the unit to discharge to a safe level Failure to observe these precautions may result in serious injury or death WARNIN...

Page 17: ...y action inverter stops when STOP button pressed momentary action normally closed PTC may also be used but no fault will be indicated Push button controls 008 009 P05 Setting Do not restart the inverter or reconnect it to a motor which is already running Wait for the motor to stop and the inverter to reach zero output frequency before attempting to run the motor inverter combination again If requi...

Page 18: ...e inverter is to be controlled via the serial interface 1 Check input power and connections see section 4 2 Switch on input power The display should illuminate and read 00 0 It will then alternate between 00 0 and the frequency to which the drive will ramp up when started 3 Set the parameters required see 5 3 4 Set the frequency setpoint Adjust the analogue setpoint to 0 or set digitally to minimu...

Page 19: ...ing the raise and lower push buttons When the parameter push button is pressed again the contents of the selected parameter memory is displayed The value can then be adjusted using the raise and lower push buttons When the desired value has been selected pushing the parameter button again loads the new value into non volatile memory and the display once again shows the parameter number When all th...

Page 20: ...cy seconds 00 0 400 10 0 Short ramp down times will result in voltage regeneration from the stored mechanical energy in the motor which may cause the inverter to trip F00 P04 Frequency control mode selection Analogue Inputs 0 10 V input X11 7 0 20 mA input X11 9 4 20 mA input X11 9 Digital Adjustment Analogue Inputs 0 10 V input X11 7 0 20 mA input X11 9 4 20 mA input X11 9 000 001 002 003 004 005...

Page 21: ...ctive Ramp down push button control Free run push button control P06 Voltage to frequency curve selection VOLTAGE FREQUENCY 50 100 400 VOLTAGE FREQUENCY 60 100 400 VOLTAGE 87 100 FREQUENCY 400 VOLTAGE 60 100 VOLTAGE 100 VOLTAGE 50 100 FREQUENCY 400 FREQUENCY FREQUENCY 400 400 VOLTAGE Knee Point 100 FREQUENCY 400 P15 Curve type P16 120 000 001 002 003 004 005 006 000 001 Linear 0 50 Hz 100 50 400 H...

Page 22: ...input to be trimmed Adjusting this parameter from 100 to 080 will reduce the frequency corresponding to an analogue input voltage of 10 V or 20 mA by a factor of 0 8 Setting the parameter to 240 will increase the frequency by a factor of 2 4 P11 DC injection braking 00 0 20 0 00 0 Sets the dc injection voltage as a percentage of the mains voltage The optimum setting is dependent on motor type and ...

Page 23: ... If this occurs or in any case after 60 s the output frequency is reduced until the current falls below the value of P17 The overload limit is also used during automatic boost operation P19 Automatic boost 000 003 000 001 002 003 000 Automatic Boost Operation Automatic boost is enabled when P19 is set to 001 or 003 For correct operation set P17 to the nominal motor current as stated on the rating ...

Page 24: ...00 9600 Even 4800 9600 Even 9600 9600 Odd 2400 9600 Odd 4800 2400 Odd 9600 4800 Ignored 2400 9600 Ignored 4800 9600 Ignored 9600 9600 Note The master unit must still transmit a parity bit in each byte P23 Digital input response speed 000 001 000 15 ms debounce of digital inputs for relays or switches No debounce suitable for transistor controlled inputs in control systems which require a fast resp...

Page 25: ... through the skip range P30 Tachometer mode 000 001 002 003 004 000 This parameter enables the tachometer input and selects the tachometer calculation rate See section 6 for further details of tachometer applications Tachometer input disabled Normal feedback Feedback control suspended during ramping As 001 except output disabled when frequency falls to P07 minimum frequency As 002 except output di...

Page 26: ...in parentheses Selects North American default values shown in square brackets where different Note Reading the value of P41 does not change parameter settings To reinstall factory settings the value of P41 must be changed e g 000 to 001 P P 001 to 000 P42 Auto reset mode 000 001 002 000 Auto reset disabled Enables auto reset of fault indications The unit will attempt to reset fault conditions up t...

Page 27: ...r interface unit Mode 2 Tachometer interface unit Mode 3 Tachometer interface unit Mode 4 P45 Clear text operator panel language 000 001 English German P48 Fault code 000 011 Stores the last recorded fault code P49 Hardware type Factory set cannot be changed P50 Software version Factory set cannot be changed P51 Customer specific variants 000 255 000 Do not adjust P52 Current monitor scaling facto...

Page 28: ...t has been installed with at least 100 mm clear space above it for exhaust air and that the air inlet at the bottom of the unit is not obstructed Check that the ambient temperature is below 40oC Check that the steady motor current is not above the limit specified on the rating plate Corruption of parameterisation data in the non volatile memory Reset all parameters see section 5 3 Recalibrate the ...

Page 29: ... parameter P28 P08 or P07 Inverter externally tripped via X11 4 input Clear external trip on X11 4 and restart the inverter Figure 5 Fault Code Table Sheet 2 of 2 If a fault indication has been observed and the corrective action implemented the inverter can be reset by applying a STOP low signal to the run stop input terminal X11 3 followed by a RUN high signal to the same input Alternatively the ...

Page 30: ...om the actual speed measuring device is to be calculated at fmax If the voltage can exceed 50 V at maximum frequency an external scaling resistor is required This can be calculated using the following formula Rext 50 kΩ x 1 Vmax 50 The scaling of the analogue value of the feedback signal can be adjusted with P31 This can be achieved as follows 1 Operate the inverter with the following parameter se...

Page 31: ...f the speed regulation If the speed regulation is satisfactory when the load on the motor changes then no further adjustments are required However the integral term and differential term parameters P33 and P34 respectively allow further adjustments to be made to the control loop to compensate for delay and or lead terms in the motor and its associated speed sensor This can provide better speed reg...

Page 32: ...ent Indicator Essential Optional OR X11 X11 0 10 V 0 20 mA 4 20 mA Frequency setpoint analogue RUN Forward Reverse 13 Jog 20 21 19 Fault Indication to External Alarm 17 18 16 P 14 15 Serial Comms RS485 4 Trip PTC RUN OR OR 0 V R S 15 V M 3 Terminal 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Remarks Apply voltage or connect to 15 V to run Normally closed trip input when P05 4 etc Appl...

Page 33: ...ncy 00 0 400 00 0 P26 Second fixed frequency 00 0 400 00 0 P27 Third fixed frequency 00 0 400 00 0 P28 Fourth fixed frequency 00 0 400 00 0 P29 Skip frequency 00 0 400 00 0 P30 Tachometer mode 000 004 000 P31 Tachometer scale factor 00 1 999 50 0 P32 Feedback compensation proportional term 000 999 050 P33 Feedback compensation integral term 000 250 000 P34 Feedback compensation differential term 0...

Page 34: ...SIMOVERT P 6SE21 Series Inverters English Operating Instructions Siemens plc 1995 G85139 A1615 U156 A 02 95 36 This page is intentionally blank ...

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