AC Tech SCF SERIES Installation And Operation Manual - 1.0

Other manuals for SCF SERIES: Instructions
Manual is about: variable speed ac motor drives

Summary of SCF SERIES

  • Page 1

    Installation and operation manual scf series.

  • Page 2: Table of Contents

    Manual number: imsf09-e1 table of contents 1.0 general..................................................................................... 1 2.0 scf dimensions....................................................................... 2 through-hole mount dimensions................................. 4 3...

  • Page 3

    Input power terminals output (motor) terminals control terminal strip 3-digit led display electronic programming module (epm) programming buttons the scf sub-micro drive ground lug.

  • Page 4: 1.0

    1 1.0 general 1.1 products covered in this manual this manual covers the ac tech scf series variable frequency drive. 1.2 product changes ac technology corporation reserves the right to discontinue or make modifications to the design of its products without prior notice, and holds no obligation to m...

  • Page 5: 2.0

    2 2.0 scf dimensions input hp kw voltage model h w d p r 0.25 0.20 120 / 208 / 240 sf103s 5.75 2.88 3.76 0.80 4.37 208 / 240 sf203y 5.75 2.88 3.76 0.80 4.37 0.5 0.37 120 / 208 / 240 sf105s 5.75 2.88 3.76 0.80 4.37 208 / 240 sf205y 5.75 2.88 3.76 0.80 4.37 400 / 480 sf405 5.75 2.88 3.76 0.80 4.37 1 0...

  • Page 6

    3 input hp kw voltage model h w d p r 2 1.5 208 / 240 sf220y 5.75 3.76 6.74 3.40 4.37 208 / 240 sf220 5.75 2.88 5.56 2.60 3.06 400 / 480 sf420 5.75 2.88 5.56 2.60 4.37 480 / 590 sf520 5.75 2.88 5.56 2.60 4.37 3 2.2 208 / 240 sf230y 5.75 3.76 6.74 3.40 3.25 208 / 240 sf230 5.75 2.88 5.56 2.60 3.06 40...

  • Page 7

    4 2.1 scf through-hole mount dimensions input hp kw voltage model h w d p 1 0.75 120 / 208 / 240 sf110sf 7.72 6.80 4.75 1.20 208 / 240 sf210yf 7.72 6.80 4.37 1.20 208 / 240 sf210f 7.72 6.80 4.37 1.20 400 / 480 sf410f 7.72 6.80 4.37 1.20 480 / 590 sf510f 7.72 6.80 4.37 1.20 1.5 1.1 120 / 208 / 240 sf...

  • Page 8

    5 input hp kw voltage model h w d p 7.5 5.5 208 / 240 sf275f 11.59 11.14 7.65 3.60 400 / 480 sf475f 9.59 11.14 7.65 3.60 480 / 590 sf575f 9.59 11.14 7.65 3.60 10 7.5 208 / 240 sf2100f 15.59 11.14 7.65 3.60 400 / 480 sf4100f 11.59 11.14 7.65 3.60 480 / 590 sf5100f 11.59 11.14 7.65 3.60 15 11 208 / 24...

  • Page 9: 3.0

    6 sf 2 10 y series: sf = scf series variable speed ac motor drive input voltage: 1 2 4 5 = 120/208/240 vac (for 110 to 120 vac and 208 to 240 vac; 50 or 60 hz) = 208/240 vac (for 208, 220, 230, and 240 vac; 50 or 60 hz) = 400/480 vac (for 380, 415, 440, 460 and 480 vac; 50 or 60 hz) = 480/590 vac (f...

  • Page 10: 4.0

    7 storage temperature -20 to 70 c ambient operating temperature 0 to 50 c (up to 6 khz carrier, derate above 6 khz) ambient humidity maximum altitude 3300 ft (1000 m) above sea level (without derating) input line voltages 120/208/240 vac, 208/240 vac, 400/480 vac, 480/590 vac input voltage tolerance...

  • Page 11

    8 model output number input current power current (note 1) hp kw phase (amps) (kva) (amps) 0 - 200 / 230 vac std thru sf203y 0.25 0.20 1 3.6 / 3.2 0.76 1.6 / 1.4 19 n/a sf203y 0.25 0.20 3 1.9 / 1.7 0.71 1.6 / 1.4 19 n/a sf205y 0.5 0.37 1 5.4 / 4.7 1.2 2.5 / 2.2 26 n/a sf205y 0.5 0.37 3 3.1 / 2.7 1.1...

  • Page 12

    9 model output number input current power current (note 1) hp kw phase (amps) (kva) (amps) 0 - 400 / 460 vac std thru sf405 0.5 0.37 3 1.6 / 1.4 1.1 1.3 / 1.1 26 n/a sf410 1 0.75 3 2.9 / 2.5 2.1 2.4 / 2.1 40 12 sf415 1.5 1.1 3 4.0 / 3.6 3.0 3.4 / 3.0 56 13 sf420 2 1.5 3 4.6 / 4.0 3.3 3.9 / 3.4 67 14...

  • Page 13: 6.0

    10 warning! Severe damage to the drive can result if it is operated after a long period of storage or inactivity without reforming the dc bus capacitors! 6.0 installation scf models are suitable for ul pollution degree 2 environment only, and must be installed in an electrical enclosure which will p...

  • Page 14: 7.0

    11 in order to reform the capacitors and prepare the drive for operation after a long period of inactivity, apply input power to the drive for 8 hours prior to actually operating the motor. 6.2 explosion proof applications explosion proof motors that are not rated for inverter use lose their certifi...

  • Page 15

    12 7.1 input voltage ratings sf100 series drives are rated for 120/208/240 vac, single phase, 50-60 hz input. The drive will function with input voltage of 120 vac (+10%, -15%), at 48 to 60 hz, or with input voltage of 208 to 240 vac (+ 10%, - 15%), at 48 to 62 hz. Sf200 series drives are rated for ...

  • Page 16: 8.0

    13 8.0 power wiring note drive input and output current ratings and check applicable electrical codes for required wire type and size, grounding requirements, over-current protection, and incoming power disconnect, before wiring the drive. Size conservatively to minimize voltage drop. Strip off 0.20...

  • Page 17: 9.0

    14 three phase input (sf200, sf200y, sf400, and sf500 series) 3 phase ac motor 120 vac single phase input (sf100 series) 208/240 vac single phase input (sf100 and sf200y series) dc bus voltage * on sf200y models, this terminal is labeled l3. Output (all series) l1 l2 n l1 l2 l3 l1 l2 n * t1 t2 t3 b-...

  • Page 18: 10.0

    15 10.0 control wiring 10.1 control wiring vs. Power wiring external control wiring must be run in a separate conduit away from all other input and output power wiring. If control wiring is not kept separate from power wiring, electrical noise may be generated on the control wiring that will cause e...

  • Page 19

    16 10.6 speed reference selection if an analog speed reference input is used to control the drive speed, terminal tb-13a, 13b, or 13c (parameter 10, 11, or 12) may be programmed as the input select for the desired analog input signal. When that tb-13 terminal is then closed to tb-2, the drive will f...

  • Page 20

    17 note: if tb-13a, tb-13b, and tb-13c are all programmed to select speed references, and two or three of the terminals are closed to tb-2, the higher terminal has priority and will override the others. For example, if tb-13a is programmed to select 0-10vdc, and tb-13c is programmed to select preset...

  • Page 21: 11.0

    18 note: the function of terminals tb-13a, tb-13b, tb-13c, tb-14, tb-15, tb-30, and tb-31 are dependent on the programming of certain parameters. Refer to section 15.0 - description of parameters. Additional information on operating the drive from the terminal strip can be found in section 10.0. The...

  • Page 22

    19 11.2 two-wire start/stop control shown below is the wiring diagram for a typical two-wire start/stop control scheme, using one maintained contact (such as that from a plc) for run and stop commands. Notes: 1. Close tb-1 to tb-2 to run, and open tb-1 to tb-2 to stop. 2. If reverse direction is als...

  • Page 23

    20 11.3 alternate two-wire start/stop control shown below is the wiring diagram for an alternate two-wire start/stop control scheme, using one maintained contact for run forward and another maintained contact for run reverse. Notes: 1. For this control scheme, tb-13a must be set to run reverse (05),...

  • Page 24

    21 11.4 three-wire start/stop control shown below is the wiring diagram for a typical three-wire start/stop control scheme, using momentary contacts (such as pushbuttons) for start and stop commands. Notes: 1. Momentarily close tb-12 to tb-2 to start the drive, and momentarily open tb-1 to tb-2 to s...

  • Page 25

    22 11.5 speed pot and preset speed control shown below is the wiring for speed pot and/or preset speed control, and either a two-wire or three-wire start/stop circuit: notes: 1. Program the preset speeds (parameters 31-37) to the desired values. 2. Program tb-13a (parameter 10) to preset speed #1 (0...

  • Page 26: 12.0

    23 12.0 initial power up and motor rotation if input power has not been applied to the drive for a period of time exceeding three years (due to storage, etc), the electrolytic dc bus capacitors within the drive can change internally, resulting in excessive leakage current. This can result in prematu...

  • Page 27

    24 follow the procedure below to check the motor rotation. This procedure assumes that the drive has been powered up for the first time, and that none of the parameters have been changed. 1. Use the ! Button to decrease the speed setpoint to 00.0 hz. The left decimal point will illuminate as the spe...

  • Page 28: 13.0

    25 buttons press mode upper right decimal point blinks press mode to enter password display reads "00" display use " and ! To scroll to the password value 13.0 programming the scf drive the drive may be programmed by one of three methods: using the three buttons and 3-digit led display on the front ...

  • Page 29

    26 press mode to display present parameter setting (example setting is 20.0) upper right decimal point blinks use " and ! To scroll to the desired parameter number (the example is parameter 19 - acceleration time) note: if the display flashes “er”, the password was incorrect, and the process to ente...

  • Page 30

    27 13.1 setting values in tenths of units above 100 parameter settings and the keypad speed command can always be adjusted in tenths of unit increments from 0.0 to 99.9. Above 100 however, values can be set in whole units or tenths of units, depending on the setting of parameter 16 - units editing. ...

  • Page 31

    28 13.2 electronic programming module (epm) every scf series drive has an electronic programming module (epm) installed on the main control board. The epm stores the user’s parameter settings and special oem default settings (if programmed). The epm is removable, allowing it to be installed in anoth...

  • Page 32: 14.0

    29 factory no. Parameter name range of adjustment default (note 1) 01 line voltage high (01), low (02) high (01) 02 carrier frequency 4khz (01), 6 khz (02), 8 khz (03), 10 khz (04) 6 khz (02) 03 start method normal (01), start on power up (02), normal (01) start with dc brake (03), auto restart with...

  • Page 33

    30 factory no. Parameter name range of adustment default (note 1) 12 tb-13c function none (01), 0-10 vdc (02), 4-20 ma (03), none (01) select preset speed #3 (04), increase freq (05), external fault (06), remote keypad (07), db fault (08), accel/decel #2 (09) 13 tb-15 output (see parameter 6 - tb-14...

  • Page 34

    31 factory no. Parameter name range of adjustment default (note 1) 27 base frequency 25.0 - 500.0 hz (note 4) 60.0 hz 28 fixed boost 0.0 - 30.0 % 1.0 % 29 accel boost 0.0 - 20.0 % 0.0 % 30 slip compensation 0.0 - 5.0 % 0.0 % 31-37 preset speeds 0.0 - maximum frequency 0.0 hz 38 skip bandwidth 0.0 - ...

  • Page 35: 15.0

    32 note: if this parameter is changed while the drive is running, the new value will not take effect until the drive is stopped. P02 carrier frequency this sets the switching rate of the output igbt’s. Increasing the carrier frequency will result in less audible motor noise. Available settings are: ...

  • Page 36

    33 note 3: if this parameter is changed while the drive is running, the change will not take effect until the drive is stopped. Therefore, the allowable maximum frequency for drives with the high output frequency option (see note 1) will not change if the carrier frequency is changed while the drive...

  • Page 37

    34 p04 stop method 01 coast to stop: when a stop command is given, the drive shuts off the output to the motor, allowing it to coast freely to a stop. 02 coast with dc brake: when a stop command is given, the drive will activate dc braking (after a delay of up to 2 seconds, depending on frequency) t...

  • Page 38

    35 06 at set speed: closes if the drive is within + 0.5 hz of the speed setpoint. 07 above preset speed #3: closes if the output frequency exceeds the preset speed #3 setting. Opens if the output frequency is equal to or less than preset speed #3 (parameter 33). 08 current limit: closes if the outpu...

  • Page 39

    36 p10 tb-13a function select this selects the function of terminal tb-13a. Closing tb-13a to tb-2 (or opening in the case of settings 7 and 10) activates the selected function. The following functions can be selected: 01 none: disables the tb-13a function. 02 0-10 vdc: selects a 0-10 vdc signal (at...

  • Page 40

    37 02 0-10 vdc: selects a 0-10 vdc signal (at tb-5) as the auto speed reference input. 03 4-20 ma: selects a 4-20 ma signal (at tb-25) as the auto speed reference input. 04 preset speed #2: selects preset speed #2 as the auto speed reference. The drive will operate at the frequency programmed into p...

  • Page 41

    38 06 external fault: sets tb-13c as a normally closed external fault input. If tb-13c is open with respect to tb-2, the drive will fault. 07 remote keypad: selects the optional remote keypad as the control source. Refer to parameter 14 - control. 08 db fault: sets tb-13c as a dynamic braking fault ...

  • Page 42

    39 01 disabled: disables the serial link 02 9600, 8, n, 2 - enabled with timer 03 9600, 8, n, 2 - enabled without timer 04 9600, 8, e, 1 - enabled with timer 05 9600, 8, e, 1 - enabled without timer 06 9600, 8, o, 1 - enabled with timer 07 9600, 8, o, 1 - enabled without timer p16 units editing this...

  • Page 43

    40 p22 dc brake voltage this sets the magnitude of the dc braking voltage, in percentage of the nominal dc bus voltage (dc bus = input ac voltage x 1.414). The point at which the dc braking is activated depends on the selected stop method (parameter 04): if coast with dc brake is selected, the dc br...

  • Page 44

    41 p26 motor overload the scf series is ul approved for solid state motor overload protection, and therefore does not require a separate thermal overload relay for single motor applications. The drive contains an adjustable thermal overload circuit that protects the motor from excessive overcurrent....

  • Page 45

    42 p29 acceleration boost acceleration boost helps accelerate high-inertia loads. During acceleration, the output voltage is increased to increase motor torque. Once the motor reaches the new speed setpoint, the boost is turned off and the output voltage returns to the normal value. P30 slip compens...

  • Page 46

    43 example: the critical frequency is 23 hz, and it is desired to skip a frequency range of 3 hz above and below the critical frequency (therefore the skip range is 20 to 26 hz). Preset speed #6 or #7 would be set to 20 hz, and the skip bandwidth would be set to 6.0 hz. If the drive is running at a ...

  • Page 47

    44 p42 accel / decel #2 this parameter sets the second acceleration and deceleration rate of the drive. To activate this acceleration and deceleration rate, use terminal tb-13a, tb-13b or t-13c. Tb-13a and tb-13b can be set to auxiliary stop which will cause the drive to decelerate to a stop accordi...

  • Page 48

    45 06 translate: if an epm from a drive with a previous parameter version is installed in a new drive, the new drive will function like the previous version drive, but none of the parameter settings can be changed ("ce" will be displayed if this is attempted). The translate function converts the epm...

  • Page 49

    46 p58 keypad and protection status this indicates the status of the buttons on the keypad, and the status of the protective circuitry in the drive, using the horizontal segments of the led. An illuminated segment indicates that the corresponding button is pressed, or the protective circuit is activ...

  • Page 50: 16.0

    47 p59-p60 tb-30 and tb-31 analog output this displays the level of the analog output signals at tb-30 (parameter 59) and tb-31 (parameter 60). A reading of 100% indicates that the output is 10 vdc. 16.0 troubleshooting to aid in troubleshooting, parameters 50 through 60 can be accessed without ente...

  • Page 51: Fault Messages

    48 fault messages fault af high temperature fault: ambient temperature is too high; cooling fan has failed (if equipped). Cf control fault: a blank epm, or an epm with corrupted data has been installed. Perform a factory reset using parameter 48 - program selection. Cf incompatibility fault: an epm ...

  • Page 52: 17.0

    49 17.0 scf display messages the following describes the various displays and messages that can appear on the scf drive. 17.1 speed display if the drive is in a stop state (indicated by "- - -" on the display), and the commanded speed is changed, the display will show the commanded speed, and the up...

  • Page 53: Speed Source Displays

    50 display description br dc braking: the dc braking circuit is activated. Cl current limit: the output current has exceeded the current limit setting (parameter 25) and the drive is reducing the output frequency to reduce the output current. If the drive remains in current limit for too long, it ca...

  • Page 54

    51 appendix a - through-hole mount option the through-hole mount option for the scf drive allows the drive to be mounted with the heatsink outside of the enclosure for better heat dissipation. This is done by using a special heatsink that mounts to the outside of the enclosure. The drive (which has ...

  • Page 55

    52 note: the n/a indication for dimensions f, j, and k indicate that the heatsinks for these models have fewer mounting holes than shown in the drawing. Through-hole mount dimensions for models up to 10 hp hp model h w a b c e f j k 1 sf110sf 7.72 6.80 2.76 2.76 6.00 2.69 n / a n / a n / a sf210yf 7...

  • Page 56

    53 through-hole drawing for 15 hp and 20 hp models this drawing applies to the following models only: sf2150f, sf4150f, sf5150f, sf4200f, and sf5200f. Hp model h e f l m 15 sf2150f 18.09 6.03 3.02 0.50 2.52 sf4150f 15.59 6.63 3.31 0.22 0.95 sf5150f 15.59 6.63 3.31 0.22 0.95 20 sf4200f 18.09 6.03 3.0...

  • Page 57

    54 through-hole mount drawing for 25 hp models this drawing applies to sf4250f and sf5250f models only. Heatsink 0.50 1.00 panel cutout 0.75 28.50 mounting holes (#10) 1.50 3.00 3.00 2.50 1.34 2.50 10.34 2.50 0.75 1.50 3.00 3.00 3.00 3.00 3.00 3.00 3.00 top.

  • Page 58: B.1

    55 appendix b - pi setpoint control option the following describes the pi setpoint control software option for the scf drive. This software option has additional parameters compared to the standard scf drive. Also, some of the parameters found in the standard drive have changed in the pi version. Pi...

  • Page 59: B.3

    56 factory default 06 tb-14 output min alarm (11), max alarm (12), none (01) 13 tb-15 output min/max alarm (13), none (01) 10 tb-13a function keypad setpoint (12) none (01) 11 tb-13b function keypad setpoint (09) none (01) 12 tb-13c function keypad setpoint (10) none (01) 45 spd at min signal minimu...

  • Page 60: B.5

    57 b.5 description of pi parameters p10 tb-13a function select 12 keypad setpoint: this option has been added so that the ! And " buttons on the front of the drive can be used as the pi setpoint reference source. Closing tb-13a to tb-2 will enable the pi mode and the ! And " buttons can be used to s...

  • Page 61

    58 p63 max feedback this parameter should be set to the value of the process variable that corresponds to the maximum transducer feedback signal (10 vdc or 20 ma). See the example below. Example: a 0-100 psi transducer outputs 4 ma at 0 psi and 20 ma at 100 psi. Set min feedback to 0, and set max fe...

  • Page 62: B.6

    59 p69 0-10 vdc feedback this can be used to monitor the pi feedback when using a 0-10 vdc feedback signal. The displayed value will be scaled according to the min and max feedback parameters (62 and 63). P70 4-20 ma feedback this can be used to monitor the pi feedback when using a 4-20 ma feedback ...

  • Page 63: B.7

    60 - set pi mode (parameter 61) to normal 4-20 ma (02) or reverse 4-20 ma (04) depending on the system. Refer to section b.1 to determine whether the system is normal or reverse acting. - set tb-13a function select (parameter 10) to keypad setpoint (12). - close tb-13a to tb-2 to put the drive into ...

  • Page 64

    61 speed pot 1 2 5 6 11 12 2 13b 14 13a 13c 15 25 2 4-20 ma feedback start/stop contact speed pot setpoint select (pi mode enable/disable) - set pi mode (parameter 61) to normal 4-20 ma (02) or reverse 4-20 ma (04) depending on the system. Refer to section b.1 to determine whether the system is norm...

  • Page 65: B.8

    62 b.8 tuning the pi control once the pi control is configured properly, it needs to be tuned in order to maintain the process setpoint. First, set the integral gain (parameter 65) to zero, and increase the proportional gain (parameter 64) until the system becomes unstable, then lower the gain until...

  • Page 66: Ec Declaration of Conformity

    Ec declaration of conformity in accordance with en45014:1998 applied council directive(s): emc directive 89/336/eec, as amended: 92/31/eec and low voltage directive 73/23/eec, as amended: 93/68/eec declare under our sole responsibility that the products to which this declaration relates, are in conf...

  • Page 67

    A c technology corporation 660 douglas street, uxbridge ma 01569 sales: 800-217-9100, fax: 508-278-7873 service: 508-278-9100 ext 125, fax: 508-278-6620 w ww.Actechdrives.Com.