Product Search

    SEARCH NOW FOR ALL YOUR HELM SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    PLCs/Machine Control / VDC Logic I/O Module

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorised surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorised dealers. Because Radwell is not an authorised distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

    Filter Results
    Results 1-50 of 85.
    HELM HM-1734-WM

    HELM

    HM-1734-WM

    INPUT MODULE, I/O STRAIN GAGE INPUT MODULE, 19.5 MA, 24 VDC
    ✓ IN STOCK!
    £741.22 Price with VAT: £889.46 Buy Surplus As Low As £387.83 Price with VAT: £465.40
    £387.83 Price with VAT: £465.40
    Repair Yours £345.84 Price with VAT: £415.01
    HELM PTM-1

    HELM

    PTM-1

    I/O MODULE, 24 VDC, 175-700 OHM, 24 VDC DRY CONTACT, DIN RAIL
    £624.33 Price with VAT: £749.20 Buy Surplus As Low As £325.90 Price with VAT: £391.09
    £325.90 Price with VAT: £391.09
    Repair Yours £265.25 Price with VAT: £318.29
    HELMHOLZ 700-321-1BH02

    HELMHOLZ

    700-321-1BH02

    DIGITAL INPUT MODULE, DEA 300, 16 INPUTS, 24 V DC, 7 MA, 1.2 TO 4.8 MS DELAY TIME, 20-PIN, DIN RAIL MOUNT, IP20
    ✓ IN STOCK!
    £206.47 Price with VAT: £247.76 Buy Surplus As Low As £82.15 Price with VAT: £98.58
    £82.15 Price with VAT: £98.58
    HELMHOLZ 700-331-PT100

    HELMHOLZ

    700-331-PT100

    AEA 300, ANALOG INPUT MODULE, 4 INPUTS, PT100/NI100 FOR CONNECTION OF RESISTANCE THERMOMETERS
    ✓ IN STOCK!
    £486.00 Price with VAT: £583.20 Buy Surplus As Low As £370.00 Price with VAT: £444.00
    £370.00 Price with VAT: £444.00
    Repair Yours £255.15 Price with VAT: £306.18
    HELMHOLZ 700-322-1BL00

    HELMHOLZ

    700-322-1BL00

    DEA 300, DIGITAL OUTPUT MODULE, 32 OUTPUTS (24 VDC; 0.5 A)
    ✓ IN STOCK!
    £493.84 Price with VAT: £592.61 Buy Surplus As Low As £145.94 Price with VAT: £175.13
    £145.94 Price with VAT: £175.13
    Repair Yours £200.00 Price with VAT: £240.00
    HELMHOLZ 700-321-1BL00

    HELMHOLZ

    700-321-1BL00

    INPUT MODULE, DIGITAL, 7 MA, 24 VDC, 1.2 TO 4.8 MS DELAY TIME, 32 INPUTS, - 25 TO +75 DEGREES C
    ✓ IN STOCK!
    £419.36 Price with VAT: £503.23 Buy Surplus As Low As £167.67 Price with VAT: £201.20
    £167.67 Price with VAT: £201.20
    Repair Yours £200.00 Price with VAT: £240.00
    HELMHOLZ 700-322-1BH01

    HELMHOLZ

    700-322-1BH01

    DIGITAL OUTPUT MODULE, DEA 300 SERIES, 16 OUTPUTS, 0.5 AMP, 24 VDC
    ✓ IN STOCK!
    £274.96 Price with VAT: £329.95 Buy Surplus As Low As £109.83 Price with VAT: £131.80
    £109.83 Price with VAT: £131.80
    Repair Yours £200.00 Price with VAT: £240.00
    HELMHOLZ 700-341-1CH02

    HELMHOLZ

    700-341-1CH02

    700 SERIES, SAS 341-1, COMMUNICATION MODULE, 1 X RS422/RS485, PROTOCOLS: ASCII, 3964R, RK512 AND LOADABLE DRIVERS (MMC) (INCL. CD WITH DATA HANDLING BLOCKS AND MANUAL)
    ✓ IN STOCK!
    £939.00 Price with VAT: £1,126.80 Buy Surplus As Low As £416.41 Price with VAT: £499.69
    £416.41 Price with VAT: £499.69
    Repair Yours £292.39 Price with VAT: £350.87
    HELMHOLZ 700-341-2AH02

    HELMHOLZ

    700-341-2AH02

    700 SERIES, SAS 341-2, COMMUNICATION MODULE, 2 X RS232, 2X USB, PROTOCOLS: ASCII, 3964R, RK512 AND LOADABLE DRIVERS (MMC) (INCL. CD WITH DATA HANDLING BLOCKS AND MANUAL)
    ✓ IN STOCK!
    £982.00 Price with VAT: £1,178.40 Buy Surplus As Low As £490.10 Price with VAT: £588.12
    £490.10 Price with VAT: £588.12
    Repair Yours £344.14 Price with VAT: £412.97
    HELMHOLZ 700-640-CAN21

    HELMHOLZ

    700-640-CAN21

    700 SERIES, CAN 400-2, COMMUNICATION MODULE WITH 2 CAN INTERFACES
    ✓ IN STOCK!
    £1,356.00 Price with VAT: £1,627.20 Buy Surplus As Low As £534.07 Price with VAT: £640.88
    £534.07 Price with VAT: £640.88
    Repair Yours £443.28 Price with VAT: £531.94
    HELMHOLZ 700-158-3PN02

    HELMHOLZ

    700-158-3PN02

    COUPLER, V2, INCL. QUICK START GUIDE, CD WITH GSDML FILE
    ✓ IN STOCK!
    £597.00 Price with VAT: £716.40 Buy Surplus As Low As £395.00 Price with VAT: £474.00
    £395.00 Price with VAT: £474.00
    Repair Yours £312.90 Price with VAT: £375.48
    HELMHOLZ 700-323-1BL00

    HELMHOLZ

    700-323-1BL00

    DEA 300, DIGITAL INPUT/OUTPUT MODULE, 16 INPUTS (24 VDC)/16 OUTPUTS (24 VDC; 0.5 A)
    ✓ IN STOCK!
    £454.63 Price with VAT: £545.56 Buy Surplus As Low As £155.60 Price with VAT: £186.72
    £155.60 Price with VAT: £186.72
    Repair Yours £200.00 Price with VAT: £240.00
    HELMHOLZ 700-322-1BF01

    HELMHOLZ

    700-322-1BF01

    DIGITAL OUTPUT MODULE, DEA 300, 2 AMP, 24 VDC, 8 OUTPUTS, 20 PIN FAST CONNECTORS, DIN RAIL MOUNT, 0 TO +60 DEGREES C, IP20
    ✓ IN STOCK!
    £231.40 Price with VAT: £277.68 Buy Surplus As Low As £89.80 Price with VAT: £107.76
    £89.80 Price with VAT: £107.76
    HELMHOLZ 700-332-5HD01

    HELMHOLZ

    700-332-5HD01

    AEA 300, ANALOG OUTPUT MODULE, 4-CHANNEL, 4 OUTPUTS FOR CONNECTION OF ANALOG ACTUATORS, 0–10 V/4–20 MA
    ✓ IN STOCK!
    £782.56 Price with VAT: £939.07 Buy Surplus As Low As £258.42 Price with VAT: £310.10
    £258.42 Price with VAT: £310.10
    Repair Yours £225.75 Price with VAT: £270.90
    HELMHOLZ 700-158-0AD02

    HELMHOLZ

    700-158-0AD02

    DP/DP COUPLER (INCL. MANUAL)
    ✓ IN STOCK!
    £517.00 Price with VAT: £620.40 Buy Surplus As Low As £311.00 Price with VAT: £373.20
    £311.00 Price with VAT: £373.20
    Repair Yours £271.95 Price with VAT: £326.34
    HELMHOLZ 700-321-1BH01

    HELMHOLZ

    700-321-1BH01

    16 INPUTS, DC24V INPUT VOLTAGE VALUE, DIGITAL INPUT MODULE, COMPATIBLE W/ THE SIEMENS S7-300 PLC I/O SYSTEMS
    ✓ IN STOCK!
    £471.19 Price with VAT: £565.42 Buy Surplus As Low As £229.00 Price with VAT: £274.79
    £229.00 Price with VAT: £274.79
    Repair Yours £190.06 Price with VAT: £228.08
    HELMHOLZ 700-323-1BH01

    HELMHOLZ

    700-323-1BH01

    DEA 300, DIGITAL INPUT/OUTPUT MODULE, 8 INPUTS (DC 24 V)/8 OUTPUTS (DC 24 V, 0.5 A)
    £252.00 Price with VAT: £302.40 Buy Surplus As Low As £152.00 Price with VAT: £182.40
    £152.00 Price with VAT: £182.40
    Repair Yours £200.00 Price with VAT: £240.00
    HELMHOLZ 700-331-0V010

    HELMHOLZ

    700-331-0V010

    AEA 300, ANALOG INPUT MODULE, 8 VOLTAGE INPUTS, FOR CONNECTION VOLTAGE TRANSMITTERS, 0–10 V
    £360.92 Price with VAT: £433.10 Buy Surplus As Low As £217.14 Price with VAT: £260.57
    £217.14 Price with VAT: £260.57
    Repair Yours £200.00 Price with VAT: £240.00
    HELMHOLZ 700-322-1HF01

    HELMHOLZ

    700-322-1HF01

    DISCONTINUED BY MANUFACTURER, DEA 300, DIGITAL OUTPUT MODULE, 8 OUTPUTS, RELAYS, 2 AMP, REPLACED BY 700-322-1BF01
    Buy Surplus As Low As £107.00 Price with VAT: £128.40
    £107.00 Price with VAT: £128.40
    Repair Yours Contact Us
    HELMHOLZ 700-991-1AA01

    HELMHOLZ

    700-991-1AA01

    DISCONTINUED BY MANUFACTURER, OPTOPUS, PROFIBUS OPTICAL LINK, VERSATILE LINK, 650 NM, POF/PCF (INCL. INSTRUCTION, POF PLUG-IN CONNECTOR)
    Buy Surplus As Low As £195.08 Price with VAT: £234.10
    £195.08 Price with VAT: £234.10
    Repair Yours £200.00 Price with VAT: £240.00
    HELMHOLZ 700-992-1AA01

    HELMHOLZ

    700-992-1AA01

    OPTOPUS, PROFIBUS OPTICAL LINK, BFOC, 650 NM, POF/PCF (INCL. INSTRUCTION, POF PLUG-IN CONNECTOR)
    £324.00 Price with VAT: £388.80 Buy Surplus As Low As £195.00 Price with VAT: £234.00
    £195.00 Price with VAT: £234.00
    Repair Yours £200.00 Price with VAT: £240.00
    HELMHOLZ 700-341-2CH02

    HELMHOLZ

    700-341-2CH02

    700 SERIES, SAS 341-2, COMMUNICATION MODULE, 2 X RS422/RS485, PROTOCOLS: ASCII, 3964R, RK512 AND LOADABLE DRIVERS (MMC) (INCL. CD WITH DATA HANDLING BLOCKS AND MANUAL)
    £1,030.00 Price with VAT: £1,236.00 Buy Surplus As Low As £618.00 Price with VAT: £741.60
    £618.00 Price with VAT: £741.60
    Repair Yours £513.00 Price with VAT: £615.60
    HELMHOLZ 700-370-0AA01

    HELMHOLZ

    700-370-0AA01

    PLACEHOLDER MODULE, 20-PIN DISCONTINUED ARTICLE - STOCK CLEARANCE SALE
    £74.81 Price with VAT: £89.78 Buy Surplus As Low As £45.34 Price with VAT: £54.41
    £45.34 Price with VAT: £54.41
    HELMHOLZ 700-370-0AL01

    HELMHOLZ

    700-370-0AL01

    PLACEHOLDER MODULE, 40-PIN DISCONTINUED ARTICLE - STOCK CLEARANCE SALE
    £82.37 Price with VAT: £98.84 Buy Surplus As Low As £49.88 Price with VAT: £59.85
    £49.88 Price with VAT: £59.85
    HELMHOLZ 700-650-CAN01

    HELMHOLZ

    700-650-CAN01

    MODULE, UP TO 1 MBPS CAN TRANSFER RATE, UP TO 12 MBPS PROFIBUS-DP, 3 LED STATUS LIGHTS, 240 BYTES OF INPUT/OUTPUT DATA MAX., SUB-D FEMALE CONNECTION, 9-PIN
    £713.00 Price with VAT: £855.60 Buy Surplus As Low As £428.00 Price with VAT: £513.60
    £428.00 Price with VAT: £513.60
    Repair Yours £373.80 Price with VAT: £448.56
    HELMHOLZ 600-210-0AP21

    HELMHOLZ

    600-210-0AP21

    TB20, DIGITAL INPUT MODULE - DI 16X DC 24 V
    £180.33 Price with VAT: £216.40 Buy Surplus As Low As £81.01 Price with VAT: £97.21
    £81.01 Price with VAT: £97.21
    HELMHOLZ 600-210-0CC01

    HELMHOLZ

    600-210-0CC01

    TB20, DIGITAL INPUT MODULE - DI 3X DC 24 V, 3-WIRE
    £43.83 Price with VAT: £52.60 Buy Surplus As Low As £26.45 Price with VAT: £31.74
    £26.45 Price with VAT: £31.74
    HELMHOLZ 600-210-0CF21

    HELMHOLZ

    600-210-0CF21

    TB20, DIGITAL INPUT MODULE - DI 6X DC 24 V, 3-WIRE
    £80.10 Price with VAT: £96.12 Buy Surplus As Low As £48.36 Price with VAT: £58.04
    £48.36 Price with VAT: £58.04
    HELMHOLZ 600-210-0DH01

    HELMHOLZ

    600-210-0DH01

    TB20, DIGITAL INPUT MODULE - DI 8X DC 24 V, GND READING
    £77.84 Price with VAT: £93.40 Buy Surplus As Low As £46.85 Price with VAT: £56.22
    £46.85 Price with VAT: £56.22
    HELMHOLZ 600-220-0AH01

    HELMHOLZ

    600-220-0AH01

    TB20, DIGITAL OUTPUT MODULE - DO 8X DC 24 V, 500 MA
    £103.36 Price with VAT: £124.03 Buy Surplus As Low As £49.50 Price with VAT: £59.40
    £49.50 Price with VAT: £59.40
    HELMHOLZ 600-220-0AP21

    HELMHOLZ

    600-220-0AP21

    TB20, DIGITAL OUTPUT MODULE - DO 16X DC 24 V, 500 MA
    £197.50 Price with VAT: £237.00 Buy Surplus As Low As £89.26 Price with VAT: £107.11
    £89.26 Price with VAT: £107.11
    HELMHOLZ 600-220-0BB01

    HELMHOLZ

    600-220-0BB01

    TB20, DIGITAL OUTPUT MODULE - DO 2X DC 24 V, 2 A
    £71.03 Price with VAT: £85.24 Buy Surplus As Low As £43.07 Price with VAT: £51.69
    £43.07 Price with VAT: £51.69
    HELMHOLZ 600-220-0BD01

    HELMHOLZ

    600-220-0BD01

    TB20, DIGITAL OUTPUT MODULE - DO 4X DC 24 V, 2 A
    £86.15 Price with VAT: £103.38 Buy Surplus As Low As £52.14 Price with VAT: £62.57
    £52.14 Price with VAT: £62.57
    HELMHOLZ 600-220-7AP21

    HELMHOLZ

    600-220-7AP21

    TB20, DIGITAL OUTPUT MODULE - DO 16X DC 24 V, 700 MA, HIGH FEATURE
    £191.19 Price with VAT: £229.43 Buy Surplus As Low As £114.86 Price with VAT: £137.84
    £114.86 Price with VAT: £137.84
    HELMHOLZ 600-222-0AB01

    HELMHOLZ

    600-222-0AB01

    TB20, DIGITAL-OUTPUT-MODULE - DO 2X RELAY, 5 A, AC 230 V, CHANGEOVER
    £97.11 Price with VAT: £116.53 Buy Surplus As Low As £47.25 Price with VAT: £56.70
    £47.25 Price with VAT: £56.70
    HELMHOLZ 600-222-0AD21

    HELMHOLZ

    600-222-0AD21

    TB20, DIGITAL-OUTPUT-MODULE - DO 4X RELAY, 5 A, AC 230 V, CHANGEOVER
    £134.51 Price with VAT: £161.41 Buy Surplus As Low As £80.86 Price with VAT: £97.03
    £80.86 Price with VAT: £97.03
    HELMHOLZ 600-230-0AH01

    HELMHOLZ

    600-230-0AH01

    TB20, DIGITAL MIX MODULE- DIO 4X IN / 4X OUT DC 24 V, 500 MA
    £95.22 Price with VAT: £114.26 Buy Surplus As Low As £57.43 Price with VAT: £68.92
    £57.43 Price with VAT: £68.92
    HELMHOLZ 600-230-0AP21

    HELMHOLZ

    600-230-0AP21

    TB20, DIGITAL MIX MODULE - DIO 8X OUT / 8X IN DC 24 V, 500 MA
    £145.09 Price with VAT: £174.11 Buy Surplus As Low As £87.66 Price with VAT: £105.19
    £87.66 Price with VAT: £105.19
    HELMHOLZ 600-250-7BH21

    HELMHOLZ

    600-250-7BH21

    TB20, ANALOG INPUT MODULE - AI 8X I, 0/4-20MA, +-20MA, ISO., 16 BIT
    £525.96 Price with VAT: £631.15 Buy Surplus As Low As £315.88 Price with VAT: £379.05
    £315.88 Price with VAT: £379.05
    HELMHOLZ 600-252-4AB01

    HELMHOLZ

    600-252-4AB01

    TB20, ANALOG INPUT MODULE - AI 2X U, +-10 V, 0-10 V, 1-5 V, 12 BIT
    £224.44 Price with VAT: £269.33 Buy Surplus As Low As £135.27 Price with VAT: £162.32
    £135.27 Price with VAT: £162.32
    HELMHOLZ 600-252-4AD01

    HELMHOLZ

    600-252-4AD01

    TB20, ANALOG INPUT MODULE - AI 4X U, +-10 V, 0-10 V, 1-5 V, 12 BIT
    £272.05 Price with VAT: £326.46 Buy Surplus As Low As £163.23 Price with VAT: £195.87
    £163.23 Price with VAT: £195.87
    HELMHOLZ 600-252-4CD01

    HELMHOLZ

    600-252-4CD01

    TB20, ANALOG INPUT MODULE - AI 4X U, +-24 V, 0-24 V, 12 BIT
    £325.70 Price with VAT: £390.84 Buy Surplus As Low As £195.72 Price with VAT: £234.87
    £195.72 Price with VAT: £234.87
    HELMHOLZ 600-253-4AD01

    HELMHOLZ

    600-253-4AD01

    TB20, ANALOG INPUT MODULE - AI 2/4X R, RTD, 16 BIT, 2/3/4-WIRE
    £325.70 Price with VAT: £390.84 Buy Surplus As Low As £195.72 Price with VAT: £234.87
    £195.72 Price with VAT: £234.87
    HELMHOLZ 600-253-4BH21

    HELMHOLZ

    600-253-4BH21

    TB20, ANALOG INPUT MODULE - AI 8X R, RTD, 16 BIT, 2-WIRE
    £313.61 Price with VAT: £376.33 Buy Surplus As Low As £188.17 Price with VAT: £225.80
    £188.17 Price with VAT: £225.80
    HELMHOLZ 600-254-4AD02

    HELMHOLZ

    600-254-4AD02

    TB20, ANALOG INPUT MODULE - AI 4X TC, ISO., 16 BIT
    £350.64 Price with VAT: £420.77 Buy Surplus As Low As £210.84 Price with VAT: £253.00
    £210.84 Price with VAT: £253.00
    HELMHOLZ 600-254-4AH22

    HELMHOLZ

    600-254-4AH22

    TB20, ANALOG INPUT MODULE - AI 8X TC, ISO., 16 BIT
    £578.10 Price with VAT: £693.72 Buy Surplus As Low As £346.86 Price with VAT: £416.23
    £346.86 Price with VAT: £416.23
    HELMHOLZ 600-260-4AD01

    HELMHOLZ

    600-260-4AD01

    TB20, ANALOG OUTPUT MODULE - AO 4X I, 0/4...20 MA, 12 BIT
    £285.65 Price with VAT: £342.78 Buy Surplus As Low As £171.54 Price with VAT: £205.85
    £171.54 Price with VAT: £205.85
    HELMHOLZ 600-261-4AB01

    HELMHOLZ

    600-261-4AB01

    TB20, ANALOG OUTPUT MODULE - AO 2X U, +-10 V, 0-10 V, 1-5 V, 12 BIT
    £227.46 Price with VAT: £272.95 Buy Surplus As Low As £136.78 Price with VAT: £164.14
    £136.78 Price with VAT: £164.14
    HELMHOLZ 600-261-4AD01

    HELMHOLZ

    600-261-4AD01

    TB20, ANALOG OUTPUT MODULE - AO 4X U, +-10 V, 0-10 V, 1-5 V, 12 BIT
    £285.65 Price with VAT: £342.78 Buy Surplus As Low As £171.54 Price with VAT: £205.85
    £171.54 Price with VAT: £205.85
    HELMHOLZ 600-710-0AA01

    HELMHOLZ

    600-710-0AA01

    SYSTEM MODULE - POWER AND ISOLATION MODULE DC 24 V, 8 A
    £45.72 Price with VAT: £54.86 Buy Surplus As Low As £22.50 Price with VAT: £27.00
    £22.50 Price with VAT: £27.00
    Next
    1 2