Búsqueda de Productos

    BUSQUE AHORA TODAS SUS OPTO 22 SOLUCIONES

    Radwell está aquí para proveer todas sus necesidades de planta.

    PLCs/Machine Control / VDC Logic I/O Module

    Radwell es un distribuidor, revendedor o representante autorizado de los productos que aparecen en este sitio web. Todos los nombres de productos, marcas registradas, marcas y logotipos usados en este sitio son propiedad de sus respectivos propietarios. La representación, descripción o venta de productos con estos nombres, marcas registradas, marcas y logotipos tiene únicamente fines identificativos y no pretende indicar afiliación o autorización alguna por parte de ninguno de los poseedores de los derechos.

    Resultados del filtro
    Resultados 101-150 de 322.
    OPTO 22 G4PB32DEC

    OPTO 22

    G4PB32DEC

    I/O RACK, FOR USE WITH:G4 I/O MODULES, PCB TYPE:32 CHANNEL I/O RACK, SIZE:10 X 6.5 IN, THICKNESS:2.32G4PB32DEC
    ✓ ¡EN STOCK!
    $484,63 Nuevo $484,63
    $290,78
    Repare los suyos $300,00
    OPTO 22 G4IDC5-SW

    OPTO 22

    G4IDC5-SW

    I/O MODULE, CURRENT RATING:25MA, PRODUCT RANGE:-, ACCESSORY TYPE:I/O MODULE, FOR USE WITH:EXTERNAL DRY CONTACT SWITCHES, NO. OF ANALOG INPUTS:1, NO. OF DIGITAL OUTPUTS:1, SIGNAL INPUT TYPE:D ...
    ✓ ¡EN STOCK!
    $143,73 Nuevo $143,73
    $86,24
    Repare los suyos $300,00
    OPTO 22 SNAP-IDC5-SW

    OPTO 22

    SNAP-IDC5-SW

    INPUT MODULE, 4 CHANNEL, CONTACT STATUS, SUPPLY: 5 VDC @ 200 MA
    ✓ ¡EN STOCK!
    $185,77 Nuevo $185,77
    $111,46
    OPTO 22 SNAP-AOV-25

    OPTO 22

    SNAP-AOV-25

    I/O MODULE, FOR USE WITH:SNAP PAC SYSTEM, NO. OF ANALOG OUTPUTS-2, RESOLUTION:2.44MV, SIGNAL INPUT TYPE:12 BIT SERIAL DATA, SUPPLY VOLTAGE:10VDC, ROHS COMPLIANT
    ✓ ¡EN STOCK!
    $675,63 Nuevo $675,63
    $405,38
    OPTO 22 SNAP-IDC5FAST

    OPTO 22

    SNAP-IDC5FAST

    I/O MODULE, CURRENT RATING:-, PRODUCT RANGE:-, NO. OF ANALOG INPUTS:4, SIGNAL INPUT TYPE:2.5 TO 16VDC, SUPPLY VOLTAGE MAX:16VDC, SUPPLY VOLTAGE MIN:2.5VDC ROHS COMPLIANT: YES
    ✓ ¡EN STOCK!
    $95,00 Nuevo $95,00
    $47,00
    Repare los suyos $300,00
    OPTO 22 SNAP-ODC5-I

    OPTO 22

    SNAP-ODC5-I

    ISOLATED DIGITAL DC OUTPUT MODULE, CURRENT RATING, 18.29 MM EXTERNAL DEPTH, 82.55 MM EXTERNAL WIDTH, 90.17 MM LENGTH, FOR USE WITH SNAP PAC SYSTEMS, 4 ANALOG OUTPUTS, 5-60 VDC, ROHS COMPLIAN ...
    ✓ ¡EN STOCK!
    $126,00 Nuevo $126,00
    $78,02
    Repare los suyos $300,00
    OPTO 22 SNAP-AITM-2

    OPTO 22

    SNAP-AITM-2

    INPUT MODULE, THERMOCOUPLE, 2 ANALOG INPUTS, 170 MA CURRENT RATING, 82.55 X 82.55 X 18.29 MM DIMENSIONS, FOR USE WITH OPTO22 SNAP PAC SYSTEMS, ROHS COMPLIANTSNAP-AITM-2
    ✓ ¡EN STOCK!
    $350,00 Nuevo $350,00
    $104,16
    Repare los suyos $300,00
    OPTO 22 G4AD10

    OPTO 22

    G4AD10

    I/O MODULE, CURRENT RATING:-, PRODUCT RANGE:-, ACCESSORY TYPE:ANALOGUE RTD INPUT MODULE, FOR USE WITH:OPTO22 MODULAR CONTROLLERS ROHS COMPLIANT: YES
    ✓ ¡EN STOCK!
    $458,33 Nuevo $458,33
    $161,46
    Repare los suyos $300,00
    OPTO 22 IDC5B

    OPTO 22

    IDC5B

    I/O MODULE, CURRENT RATING:12MA, PRODUCT RANGE:-, ACCESSORY TYPE:DC INPUT MODULE, EXTERNAL DEPTH:15.2MM, EXTERNAL WIDTH:43.2MM, FOR USE WITH:PROXIMITY, LIMIT, SELECTOR, PUSH BUTTON, PHOTOELE ...
    ✓ ¡EN STOCK!
    $37,00 Nuevo $37,00
    $23,00
    OPTO 22 DA4T

    OPTO 22

    DA4T

    I/O MODULE, CURRENT RATING:25MA, PRODUCT RANGE:-, NO. OF ANALOG OUTPUTS:1, NO. OF DIGITAL INPUTS:1, NO. OF OUTPUTS:1, RESOLUTION:12 BITS, SIGNAL INPUT TYPE:DIGITAL ROHS COMPLIANT: YESDA4T
    ✓ ¡EN STOCK!
    $378,91 Nuevo $378,91
    $227,34
    Repare los suyos $300,00
    OPTO 22 SNAP-AIV

    OPTO 22

    SNAP-AIV

    I/O MODULE, SNAP SERIES, 170 MA, 2 CHANNEL, -10 TO 10 VDC, ANALOGUE
    ✓ ¡EN STOCK!
    $364,00 Nuevo $364,00
    $205,57
    OPTO 22 AC47

    OPTO 22

    AC47

    INTERFACE CARD TWISTED PAIR ARCNET NETWORK
    ✓ ¡EN STOCK!
    $149,41 Nuevo $149,41
    $124,51
    Repare los suyos $300,00
    OPTO 22 G4-LAX

    OPTO 22

    G4-LAX

    LOCAL ANALOG 8-CHANNEL I/O UNIT EXTENDER
    ✓ ¡EN STOCK!
    $685,00 Nuevo $685,00
    $358,71
    Repare los suyos $300,00
    OPTO 22 SNAP-AICTD

    OPTO 22

    SNAP-AICTD

    I/O MODULE, CURRENT RATING:-, PRODUCT RANGE:-, ACCESSORY TYPE:TEMPERATURE INPUT, FOR USE WITH:SNAP PAC SYSTEM, NO. OF ANALOG INPUTS:2, SIGNAL INPUT TYPE:TEMPERATURE ROHS COMPLIANT: YES
    ✓ ¡EN STOCK!
    $373,00 Nuevo $373,00
    $182,14
    OPTO 22 G4-D16L

    OPTO 22

    G4-D16L

    DISCONTINUED BY MANUFACTURER, I/O MODULE, MODEL 200, MULTIFUNCTION, 16 POINT, LOCAL, DIGITAL, MISTIC PROTOCOL
    ✓ ¡EN STOCK!
    Tan poco como $100,00
    $100,00
    Repare los suyos $300,00
    OPTO 22 SNAP-AIV-4

    OPTO 22

    SNAP-AIV-4

    INPUT VOLTAGE MODULE, SNAP SERIES, 4 CHANNEL, ANALOG, -10 TO 10 VDC / -5 TO 5 VDCSNAP-AIV-4
    ✓ ¡EN STOCK!
    $597,77 Nuevo $597,77
    $337,14
    Repare los suyos $300,00
    OPTO 22 G4IAC5A

    OPTO 22

    G4IAC5A

    I/O MODULE, 5 MA, 1 ANALOG INPUT, 1 DIGITAL OUTPUT, 5 VOLT LOGIC, 180-280 VAC, 240 VAC NOMINAL, ROHS COMPLIANT
    ✓ ¡EN STOCK!
    $78,41 Nuevo $78,41
    $47,05
    Repare los suyos $300,00
    OPTO 22 G4ODC5A

    OPTO 22

    G4ODC5A

    G4 DC OUTPUT MODULE, 5-200 VDC OUTPUT, 5 VDC LOGIC
    ✓ ¡EN STOCK!
    $46,00 Nuevo $46,00
    $15,93
    OPTO 22 G4AD25

    OPTO 22

    G4AD25

    I/O MODULE, CURRENT RATING:15MA, PRODUCT RANGE:-, ACCESSORY TYPE:ANALOGUE VOLTAGE INPUT MODULE, FOR USE WITH:OPTO22 MODULAR CONTROLLERS, SUPPLY VOLTAGE MAX:100V, SUPPLY VOLTAGE MIN:0V, VOLTA ...
    ✓ ¡EN STOCK!
    $641,00 Nuevo $641,00
    $219,81
    Repare los suyos $300,00
    OPTO 22 SNAP-AIVRMS

    OPTO 22

    SNAP-AIVRMS

    I/O MODULE, CURRENT RATING:170MA, PRODUCT RANGE:-, ACCESSORY TYPE:ANALOGUE RMS INPUT MODULE, EXTERNAL DEPTH:18.29MM, EXTERNAL WIDTH:74.93MM, FOR USE WITH:OPTO22 SNAP PAC SYSTEMS, LENGTH:90.1 ...
    ✓ ¡EN STOCK!
    $535,43 Nuevo $535,43
    $321,25
    Repare los suyos $300,00
    OPTO 22 SNAP-AOV-27

    OPTO 22

    SNAP-AOV-27

    OUTPUT MODULE, 2 CHANNEL, ANALOG VOLTAGE OUTPUT, 10 VDC, 5 MA, 2.44 MV RESOLUTION, 3 MS (DELTA TIME), 150 MA INPUT, FOR USE WITH SNAP PAC SYSTEM, DIN RAIL MOUNTSNAP-AOV-27
    ✓ ¡EN STOCK!
    $570,75 Nuevo $570,75
    $342,45
    Repare los suyos $300,00
    OPTO 22 AD18T

    OPTO 22

    AD18T

    I/O MODULE, CURRENT RATING:-, PRODUCT RANGE:-, NO. OF ANALOG INPUTS:1, NO. OF OUTPUTS:1, RESOLUTION:12 BITS, SIGNAL INPUT TYPE:THERMOCOUPLE ROHS COMPLIANT: YES
    ✓ ¡EN STOCK!
    $500,82 Nuevo $500,82
    $300,49
    Repare los suyos $300,00
    OPTO 22 OAC15A

    OPTO 22

    OAC15A

    I/O MODULE, CURRENT RATING:3A, PRODUCT RANGE:-, ACCESSORY TYPE:AC OUTPUT MODULE, CONTACT CONFIGURATION:SPST-NO, COUNT INPUT FREQUENCY:65HZ, EXTERNAL DEPTH:15.2MM, EXTERNAL WIDTH:43.2MM, FOR ...
    ✓ ¡EN STOCK!
    $51,81 Nuevo $51,81
    $29,00
    Repare los suyos Contact Us
    OPTO 22 SNAP-AIV-I

    OPTO 22

    SNAP-AIV-I

    INPUT MODULE, ANALOGUE, 2 CHANNEL, INPUT RANGE: -10 TO +10 VDC / -5 TO +5 VDC
    ✓ ¡EN STOCK!
    $544,92 Nuevo $544,92
    $278,24
    OPTO 22 SNAP-SCM-485-422

    OPTO 22

    SNAP-SCM-485-422

    I/O MODULE, SERIAL COMMUNICATION, 250 MA INPUT CURRENT, 18.29 MM EXTERNAL DEPTH, 82.55 MM EXTERNAL WIDTH, 90.17 MM LENGTH, FOR USE WITH SNAP PAC SYSTEM, RACK MOUNT, 0-70 C OPERATING TEMPERAT ...
    ✓ ¡EN STOCK!
    $946,83 Nuevo $946,83
    $568,10
    Repare los suyos $300,00
    OPTO 22 SNAP-AITM-8

    OPTO 22

    SNAP-AITM-8

    INPUT MODULE, ANALOG, 8 CHANNEL, THERMOCOUPLE OR VOLTAGE INPUT
    ✓ ¡EN STOCK!
    $1.132,03 Nuevo $1.132,03
    $679,22
    Repare los suyos $461,00
    OPTO 22 DA6

    OPTO 22

    DA6

    OUTPUT MODULE, CURRENT RATING:70MA, PRODUCT RANGE:- ROHS COMPLIANT: YES
    ✓ ¡EN STOCK!
    $291,67 Nuevo $291,67
    $191,91
    Repare los suyos $300,00
    OPTO 22 SNAP-AITM-I

    OPTO 22

    SNAP-AITM-I

    I/O MODULE, ANALOG THERMOCOUPLE INPUT MODULE, 2 ANALOG INPUTS, 200 MA, FOR USE WITH: OPTO22 SNAP PAC SYSTEMS
    ✓ ¡EN STOCK!
    $644,13 Nuevo $644,13
    $386,48
    Repare los suyos $300,00
    OPTO 22 G4OAC5A5

    OPTO 22

    G4OAC5A5

    I/O MODULE, 3A, SPST-NC, 65HZ, 1 ANALOG OUTPUTS, 1 OUTPUT, 4 TO 8VDCG4OAC5A5
    ✓ ¡EN STOCK!
    $47,00 Nuevo $47,00
    $32,00
    Repare los suyos $300,00
    OPTO 22 SNAP-OAC5-I

    OPTO 22

    SNAP-OAC5-I

    I/O MODULE, CURRENT RATING,3MA, PRODUCT RANGE,-, ACCESSORY TYPE,ISOLATED DIGITAL AC OUTPUT MODULE, COUNT INPUT FREQUENCY,65HZ, EXTERNAL DEPTH,18.29MM, EXTERNAL WIDTH,82.55MM, FOR USE WITH,OP ...
    ✓ ¡EN STOCK!
    $143,58 Nuevo $143,58
    $73,69
    OPTO 22 SNAP-ODC5R5

    OPTO 22

    SNAP-ODC5R5

    I/O MODULE, CURRENT RATING:3MA, PRODUCT RANGE:-, ACCESSORY TYPE:DIGITAL DC OUTPUT MODULE, EXTERNAL DEPTH:18.29MM, EXTERNAL WIDTH:82.55MM, FOR USE WITH:OPTO22 SNAP PAC SYSTEMS, LENGTH:90.17MM ...
    ✓ ¡EN STOCK!
    $169,00 Nuevo $169,00
    $122,55
    Repare los suyos $300,00
    OPTO 22 SNAP-ENET-S64

    OPTO 22

    SNAP-ENET-S64

    DISCONTINUED BY MANUFACTURER, PROGRAMMABLE LOGIC CONTROLLER, LEADED PROCESS COMPATIBLE:NO, PEAK REFLOW COMPATIBLE (260 C):NO, FEATURES:ANALOG/SIMPLE DIGITAL SERIAL BRAIN, ROHS COMP
    ✓ ¡EN STOCK!
    Tan poco como $693,88
    $693,88
    Repare los suyos $560,00
    OPTO 22 SNAP-PAC-RCK4

    OPTO 22

    SNAP-PAC-RCK4

    I/O MOUNTING RACK, 4 MODULES, 4.2 AMP, 5-5.2 VDC, SNAP PAC SERIES, 112.01 MM EXTERNAL WIDTH, 22 TO 14 AWG, FOR SNAP PAC BRAINS & R-SERIES CONTROLLERS, ROHS COMPLIANT
    ✓ ¡EN STOCK!
    $347,17 Nuevo $347,17
    $208,30
    Repare los suyos $300,00
    OPTO 22 G4-A8L

    OPTO 22

    G4-A8L

    MULTIFUNCTION ANALOG BRICK, 8-CHANNEL, 16-BIT PROCESSOR, 12 MHZ, 4 MS REACTION TIME, 24 VDC, 180 MA
    ✓ ¡EN STOCK!
    $346,15 Nuevo $346,15
    $134,57
    Repare los suyos $300,00
    OPTO 22 SNAP-AOA-28

    OPTO 22

    SNAP-AOA-28

    I/O MODULE, CURRENT RATING:20MA, PRODUCT RANGE:-, ACCESSORY TYPE:DUAL CHANNEL ANALOGUE CURRENT OUTPUT MODULE, EXTERNAL DEPTH:18.29MM, EXTERNAL WIDTH:82.55MM, FOR USE WITH:OPTO22 SNAP PAC SYS ...
    ✓ ¡EN STOCK!
    $601,08 Nuevo $601,08
    $349,83
    Repare los suyos $300,00
    OPTO 22 SNAP-IAC-A-16

    OPTO 22

    SNAP-IAC-A-16

    I/O MODULE, ACCESSORY TYPE:DIGITAL AC INPUT MODULE, CURRENT RATING:150MA, EXTERNAL DEPTH:18.69MM, EXTERNAL WIDTH:82.55MM, FOR USE WITH:OPTO22 SNAP PAC SYSTEMS, LEADED PROCESS COMPATIBLE:NO, ...
    ✓ ¡EN STOCK!
    $475,00 Nuevo $475,00
    $217,27
    Repare los suyos $300,00
    OPTO 22 SNAP-OAC5MA

    OPTO 22

    SNAP-OAC5MA

    DIGITAL OUTPUT MODULE, 4 SNAP I/O PORTS, 4-CHANNEL, ISOLATED, 12-250 VAC, MANUAL/AUTO SWITCHES, 50 MA, 100 MEGA OHMSSNAP-OAC5MA
    ✓ ¡EN STOCK!
    $217,00 Nuevo $217,00
    $91,59
    Repare los suyos $300,00
    OPTO 22 G4IDC5G

    OPTO 22

    G4IDC5G

    DISCONTINUED BY MANUFACTURER, I/O MODULE, CURRENT RATING:6MA, PRODUCT RANGE:-, NO. OF ANALOG INPUTS:1, NO. OF DIGITAL OUTPUTS:1, NO. OF OUTPUTS:1, SIGNAL INPUT TYPE:35 TO 60VDC ROHS COMPLIAN ...
    ✓ ¡EN STOCK!
    Tan poco como $17,94
    $17,94
    OPTO 22 G4IAC24A

    OPTO 22

    G4IAC24A

    I/O MODULE, CURRENT RATING, 5MA, PRODUCT RANGE, COUNT INPUT FREQUENCY, 20KHZ, SIGNAL INPUT TYPE, AC VOLTAGE ROHS COMPLIANT, NOG4IAC24A
    ✓ ¡EN STOCK!
    $57,82 Nuevo $57,82
    $34,69
    Repare los suyos $300,00
    OPTO 22 SNAP-RCK-M2B

    OPTO 22

    SNAP-RCK-M2B

    I/O MODULE, CURRENT RATING:-, PRODUCT RANGE:-, ACCESSORY TYPE:RACK ADAPTER, FOR USE WITH:OPTO22 SNAP BRAIN ON SNAP PAC, M SERIES RACKS ROHS COMPLIANT: NOSNAP-RCK-M2B
    ✓ ¡EN STOCK!
    $398,05 Nuevo $398,05
    $238,83
    Repare los suyos $300,00
    OPTO 22 SNAP-PAC-EB1

    OPTO 22

    SNAP-PAC-EB1

    DISCONTINUED BY MANUFACTURER, I/O PROCESSOR, CURRENT RATING:750MA, PRODUCT RANGE:SNAP PAC SERIES, ACCESSORY TYPE:COMMUNICATION PROCESSOR, EXTERNAL DEPTH:46.36MM, EXTERNAL WIDTH:83.82MM, FOR ...
    ✓ ¡EN STOCK!
    Tan poco como $576,77
    $576,77
    Repare los suyos $479,00
    OPTO 22 SNAP-ODC-32-SRC

    OPTO 22

    SNAP-ODC-32-SRC

    OUTPUT MODULE, DIGITAL, 32-POINT DIGITAL OUTPUT, 5-60 VDC LOAD SOURCING, 150 MA
    ✓ ¡EN STOCK!
    $774,65 Nuevo $774,65
    $464,79
    Repare los suyos $300,00
    OPTO 22 SNAP-IDC5-SW-NC

    OPTO 22

    SNAP-IDC5-SW-NC

    I/O MODULE, CURRENT RATING:400¦A, PRODUCT RANGE:-, ACCESSORY TYPE:DC INPUT MODULE, CONTACT CONFIGURATION:SPST-NC, EXTERNAL DEPTH:18.29MM, EXTERNAL WIDTH:82.55MM, FOR USE WITH:OPTO22 SNAP PAC ...
    ✓ ¡EN STOCK!
    $128,00 Nuevo $128,00
    $30,91
    Repare los suyos $300,00
    OPTO 22 SNAP-AITM2-I

    OPTO 22

    SNAP-AITM2-I

    I/O MODULE, CURRENT RATING:200MA, PRODUCT RANGE:-, ACCESSORY TYPE:ANALOGUE THERMOCOUPLE INPUT MODULE, EXTERNAL DEPTH:18.29MM, EXTERNAL WIDTH:82.55MM, FOR USE WITH:OPTO22 SNAP PAC SYSTEMS, LE ...
    ✓ ¡EN STOCK!
    $699,58 Nuevo $699,58
    $419,75
    Repare los suyos $300,00
    OPTO 22 SNAP-IDC-16

    OPTO 22

    SNAP-IDC-16

    I/O MODULE, 150 MA CURRENT RATING, 16 INPUT, 10-32 VDC INPUT, 5 VDC, DIGITAL, USED WITH SNAP PAC SYSTEMS, OPTICAL ISOLATION, 1500 V ISOLATION VOLTAGE, 18.69 MM EXTERNAL DEPTH, 82.55 MM EXTER ...
    ✓ ¡EN STOCK!
    $472,95 Nuevo $472,95
    $283,77
    Repare los suyos $300,00
    OPTO 22 SNAP-PACLC

    OPTO 22

    SNAP-PACLC

    LEARNING CENTER, NO. OF INPUTS:1INPUTS, CURRENT RATING:-, NO. OF OUTPUTS:1OUTPUTS, KIT CONTENTS:SNAP PAC LEARNING CENTER GUIDE, PAC PROJECT 8.0 SOFTWARE WITH PAC PROJECT DOCUMENT, SUPPLY VOL ...
    ✓ ¡EN STOCK!
    $4.154,00 Nuevo $4.154,00
    $1.857,10
    Repare los suyos $1.676,04
    OPTO 22 SNAP-ODC5ASNK

    OPTO 22

    SNAP-ODC5ASNK

    I/O MODULE, CURRENT RATING:3MA, PRODUCT RANGE:-, ACCESSORY TYPE:DIGITAL DC OUTPUT MODULE, EXTERNAL DEPTH:18.29MM, EXTERNAL WIDTH:82.55MM, FOR USE WITH:OPTO22 SNAP PAC SYSTEMS, LENGTH:90.17MM ...
    ✓ ¡EN STOCK!
    $225,67 Nuevo $225,67
    $135,40
    Repare los suyos $300,00
    OPTO 22 SNAP-AIR40K-4

    OPTO 22

    SNAP-AIR40K-4

    ANALOG THERMISTOR INPUT MODULE, CURRENT RATING:190MA, PRODUCT RANGE:-, ACCESSORY TYPE:ANALOGUE RESISTOR / THERMISTOR INPUT MODULE, EXTERNAL DEPTH:18.29MM, EXTERNAL WIDTH:74.93MM, FOR USE WIT ...
    ✓ ¡EN STOCK!
    $761,60 Nuevo $761,60
    $456,96
    Repare los suyos $300,00
    OPTO 22 G4AD4

    OPTO 22

    G4AD4

    I/O MODULE, CURRENT RATING:-, PRODUCT RANGE:-, ACCESSORY TYPE:ANALOGUE TEMPERATURE INPUT MODULE, FOR USE WITH:OPTO22 MODULAR CONTROLLERS ROHS COMPLIANT: YES
    ✓ ¡EN STOCK!
    $660,00 Nuevo $660,00
    $274,22
    Repare los suyos $300,00
    OPTO 22 SNAP-PAC-EB2

    OPTO 22

    SNAP-PAC-EB2

    DISCONTINUED BY MANUFACTURER, I/O PROCESSOR, 750 MA, SNAP PAC SERIES, COMMUNICATION PROCESSOR, EXTERNAL DEPTH / 46.36 MM, EXTERNAL WIDTH / 83.82 MM, FOR USE WITH OPTO22 SNAP PAC SYSTEMS, LEN ...
    ✓ ¡EN STOCK!
    Tan poco como $871,71
    $871,71
    Repare los suyos $680,00
    Anterior  Siguiente
    1 2 3 4 5 6 7