Programmable Logic Controllers
Programmable Logic Controllers (PLCs) are industrial digital computers that are used to control various manufacturing processes. These devices are programmed to automate specific tasks by monitoring inputs and controlling outputs based on a specified logic. PLCs help improve efficiency, accuracy, and reliability in a wide range of industries, including manufacturing, automotive, pharmaceuticals, and food processing. They can be easily reprogrammed and are equipped with features such as communication interfaces, digital and analog inputs/outputs, and timers. PLCs play a crucial role in modern automation systems, enabling seamless integration of machinery and equipment for increased productivity and cost savings.
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Horiba TD-950 US pH/ORP Meter Panel Mount Benchtop Analyzer AC 90-132V 1994
Horiba
$125.00Was: $250.00Horiba TD-950 US pH/ORP Meter Panel Mount Benchtop Analyzer AC 90-132V 1994The Horiba TD-950 US is a benchtop pH and ORP (Oxidation Reduction Potential) analyzer designed for laboratory and...30910- SKU:
- 30910
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 5.00 LBS
- Brand:
- Horiba
- Model:
- TD-950 US
- MPN:
- TD-950 US
- Type:
- pH/ORP Meter
- SKU:
- 30910
- Measurement Type:
- pH and ORP (Oxidation Reduction Potential)
- Display Type:
- LCD
- Form Factor:
- Panel Mount
- Power Requirements:
- AC 90-132V
- Country/Region of Manufacture:
- Japan
- Manufacture Date:
- March 1994
- Calibration Points:
- 7-point, 4-point, 10-point, and star calibration modes
- Front Panel Controls:
- MODE, Up, Down, ENT (Enter) buttons
- Output:
- Terminal block rear output (G(M) / R / T / T / E terminals)
- Condition:
- Used – Inspected
- Seller Notes:
- Unit only; no probe or accessories observed in photos.
- Condition Notes:
- Horiba TD-950 US pH/ORP Meter. Inspected and in good condition. Light surface scratching on display cover. Housing intact, terminal block complete. Manufactured Japan 1994. Please contact us with any questions.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$125.00Was: $250.00 -
National Instruments NB-DIO-24 320094-01 Digital I/O Card Macintosh II w/ Manual
National Instruments
$80.00Was: $150.00National Instruments NB-DIO-24 320094-01 Digital I/O Card Macintosh II w/ ManualThe National Instruments NB-DIO-24 is a 24-channel TTL-compatible digital input/output expansion card designed for the...27514- SKU:
- 27514
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 4.00 LBS
- Brand:
- National Instruments
- Model:
- NB-DIO-24
- MPN:
- 320094-01
- Secondary Model:
- 320234-01
- Assembly Number:
- 180525-01 Rev. D
- Type:
- NuBus Digital I/O Expansion Card
- SKU:
- 27514
- Condition:
- Used – Pulled from Working Environment
- Interface Type:
- NuBus
- Number of I/O Channels:
- 24
- Compatible With:
- Apple Macintosh II series (NuBus slot)
- Form Factor:
- NuBus Card
- Connector Type:
- 50-pin ribbon cable connector
- Board Copyright Date:
- 1988
- Seller Notes:
- Includes original National Instruments manual and ribbon cable. No software included.
- Country/Region of Manufacture:
- United States
- Condition Notes:
- National Instruments NB-DIO-24 digital I/O card pulled from a working environment where it was in use and functional. PCB is clean with no visible damage. Includes manual and ribbon cable. Normal light wear.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$80.00Was: $150.00 -
Johnson Controls Early Servo Drive Actuator Motor Controller HVAC Building
Johnson Controls
$125.00Was: $250.00Johnson Controls Early Servo Drive Actuator Motor Controller HVAC BuildingEarly-generation servo drive controller from Johnson Controls used for automated damper and valve actuation in building HVAC...27401- SKU:
- 27401
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 10.00 LBS
- Brand:
- Johnson Controls
- Model:
- Early Servo Drive
- Type:
- Servo Drive Actuator
- SKU:
- 27401
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes access panel/cover plate and mounting hardware visible in photos.
- Application:
- HVAC Building Automation, Damper or Valve Control
- Form Factor:
- Compact Box / Surface Mount
- Drive Type:
- Electric Servo Drive
- Control Board:
- Integrated PCB with potentiometer feedback
- Output Shaft:
- Visible output shaft on side of enclosure
- Enclosure Material:
- Die-cast aluminum body with steel cover
- Country/Region of Manufacture:
- United States
- Condition Notes:
- Johnson Controls early servo drive actuator. Inspected and in good used condition. Housing shows light surface wear. Internal motor, control board, and access panel all present and complete.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$125.00Was: $250.00 -
Opto 22 ODC5Q 4-Channel DC Output Module 5-60VDC 5VDC Logic I/O PLC
OPTO
$65.00Was: $125.00Opto 22 ODC5Q 4-Channel DC Output Module 5-60VDC 5VDC Logic I/O PLCThis is a 4-channel DC solid-state output module designed for Opto 22 I/O racks and PLC systems. It switches DC loads between 5 and...26890- SKU:
- 26890
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 2.00 LBS
- Brand:
- Opto 22
- Model:
- ODC5Q
- MPN:
- ODC5Q
- Type:
- DC Output I/O Module
- SKU:
- 26890
- Number of Channels:
- 4
- Output Voltage Range:
- 5–60 VDC
- Logic Voltage:
- 5 VDC
- Output Type:
- DC Solid-State Output
- Form Factor:
- Module / I/O Rack Card
- Compatible With:
- Opto 22 I/O racks and PLC systems
- Country/Region of Manufacture:
- United States
- Certifications:
- UL, CSA
- Seller Notes:
- New open-box; includes original Opto 22 box. Module only.
- Condition:
- New – Open Box
- Condition Notes:
- Opto 22 ODC5Q DC Output Module. New, unused, open box — includes original box. May have been stored for an extended period or past shelf date. No signs of use or damage. Contact us with questions.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$65.00Was: $125.00 -
GE Fanuc IC630MDL380A Relay Output Module 16 Circuit PLC Series Six
GE Fanuc
$135.00Was: $275.00GE Fanuc IC630MDL380A Relay Output Module 16 Circuit PLC Series SixRelay output module for GE Fanuc Series Six PLC systems. Provides 16 discrete relay circuits for controlling external devices and...26670- SKU:
- 26670
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 5.00 LBS
- Brand:
- GE Fanuc
- Model:
- IC630MDL380A
- MPN:
- IC630MDL380A
- Type:
- Relay Output Module
- SKU:
- 26670
- Number of Circuits:
- 16
- Output Type:
- Relay
- Compatible With:
- GE Fanuc Series Six PLC
- Form Factor:
- Card/Module
- Country/Region of Manufacture:
- Japan
- Includes:
- Bus Bar Cover
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Includes bus bar cover. Pulled from a working environment.
- Condition Notes:
- GE Fanuc IC630MDL380A Relay Output Module. Inspected, in good used condition. Pulled from a working environment where it was in use and functional. Bus bar cover included. Normal wear from prior rack use.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$135.00Was: $275.00 -
Allen-Bradley 1771-P4S 120V AC Power Supply Module PLC-5 5V DC 8A Output
Allen Bradley
$85.00Was: $175.00Allen-Bradley 1771-P4S 120V AC Power Supply Module PLC-5 5V DC 8A OutputThis is a power supply module for Allen-Bradley PLC-5 control systems. It converts 120V AC input to regulated 5V DC output at 8...19785- SKU:
- 19785
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 5.00 LBS
- Brand:
- Allen-Bradley
- Model:
- 1771-P4S
- MPN:
- 1771-P4S
- Type:
- AC Power Supply Module
- SKU:
- 19785
- Seller Notes:
- Power supply module only; no additional accessories included.
- Country/Region of Manufacture:
- United States
- Form Factor:
- Card/Module
- Input Voltage:
- 120V AC Nominal
- Input Current:
- 0.9 Amps Max
- Frequency:
- 50/60 Hz
- Output Voltage:
- 5V DC
- Output Current:
- 8 Amps
- Compatible With:
- Allen-Bradley PLC-5, 1771 I/O Chassis
- Certifications:
- UL Listed, CSA
- Hazardous Location Rating:
- CL 1 DIV 2 GP A,B,C,D TEMP T4A
- Condition:
- Used – Pulled from Working Environment
- Condition Notes:
- Allen-Bradley 1771-P4S 120V AC Power Supply Module in good used condition. Pulled from a working environment where it was in use and functional. Normal wear. Rating plate intact and legible.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$85.00Was: $175.00 -
Allen-Bradley 1771-OA AC Output Module 120VAC 6A PLC-5 1771 Series B
Allen Bradley
$50.00Was: $100.00Allen-Bradley 1771-OA AC Output Module 120VAC 6A PLC-5 1771 Series BAC discrete output module for Allen-Bradley PLC-5 systems. Switches 120VAC loads up to 6 amps pilot duty through an I/O chassis...19784- SKU:
- 19784
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 7.00 LBS
- Brand:
- Allen-Bradley
- Model:
- 1771-OA
- MPN:
- 96026873 C01
- Secondary Model:
- 96026873 C01
- Series:
- Series B
- Revision:
- N01
- Type:
- AC Discrete Output Module
- Output Voltage:
- 120VAC
- Max Module Load:
- 6 Amps Pilot Duty
- Backplane Current Draw:
- 0.210 Amps @ 5VDC
- Compatible With:
- Allen-Bradley 1771 I/O Chassis, PLC-5
- Form Factor:
- Card/Module
- Country/Region of Manufacture:
- United States
- UL Listed:
- Yes
- CSA Certified:
- Yes
- Hazardous Location Rating:
- CL/DIV 2, GP A, B, C, D; Temp Code T5
- SKU:
- 19784
- Condition:
- Used – Inspected and in Good Condition
- Seller Notes:
- Module only; inspected and in good condition.
- Condition Notes:
- Allen-Bradley 1771-OA AC Output Module, 120VAC, Series B. Inspected and in good condition. Normal light wear from prior rack use. Terminal block and backplane connector intact.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$50.00Was: $100.00 -
Sharp JW-34NC DC Input Module 12/24VDC 3.5/7.5mA JW Series PLC I/O Card
Sharp
$50.00Was: $100.00Sharp JW-34NC DC Input Module 12/24VDC 3.5/7.5mA JW Series PLC I/O Card This is a 32-point DC input module for Sharp JW Series PLC systems. It expands I/O capacity with four groups of 8 input points...47760- SKU:
- 47760
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 4.00 LBS
- Brand:
- Sharp
- Model:
- JW-34NC
- MPN:
- JW-34NC
- SKU:
- 47760
- Condition:
- Used – Inspected
- Seller Notes:
- Module only — no cables or documentation included.
- Form Factor:
- Card/Module
- Compatible With:
- Sharp JW Series PLC Systems
- Country of Manufacture:
- Japan
- Input Voltage:
- 12/24 VDC
- Input Current:
- 3.5mA (12V) / 7.5mA (24V)
- Module Type:
- DC Input Module
- I/O Points:
- 32-point (4 groups: A, B, C, D — 8 points each)
- Connector Type:
- Multi-pin edge connector (rear bus)
- Series:
- Sharp JW Series
- Application:
- Programmable Logic Controller (PLC) I/O Expansion
- Condition Notes:
- This Sharp JW-34NC DC Input Module has been inspected and shows normal cosmetic wear consistent with prior rack installation. The housing is intact with no visible damage. Not bench-tested at our facility.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$50.00Was: $100.00 -
Sharp JW-64NC DC Input Module PLC 12/24VDC 3.5-7.5mA JW Series 64-Point
Sharp
$50.00Was: $125.00Sharp JW-64NC DC Input Module PLC 12/24VDC 3.5-7.5mA JW Series 64-Point This is a 64-point DC digital input module designed for Sharp JW Series PLC systems. It processes digital input signals from...47765- SKU:
- 47765
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 3.00 LBS
- Brand:
- Sharp
- Model:
- JW-64NC
- MPN:
- JW-64NC
- SKU:
- 47765
- Condition:
- Used – Inspected
- Seller Notes:
- Module only; no additional accessories included.
- Form Factor:
- Card / Module
- Compatible With:
- Sharp JW Series PLC Systems
- Country of Manufacture:
- Japan
- Input Voltage:
- 12/24 VDC
- Input Current:
- 3.5–7.5 mA
- Number of Input Points:
- 64
- Module Type:
- DC Digital Input Module
- PLC Family:
- Sharp JW Series
- Signal Type:
- DC Digital Input
- Voltage Rating:
- 12 VDC / 24 VDC
- Condition Notes:
- This Sharp JW-64NC DC Input Module has been visually inspected and shows normal wear consistent with previous industrial use. The module housing is intact and the backplane connector pins appear clean.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$50.00Was: $125.00 -
Mitsubishi AY51C MELSEC PLC Output Module 12/24VDC 0.3A Servo Motor Control
Mitsubishi
$64.00Was: $200.00Mitsubishi AY51C MELSEC PLC Output Module 12/24VDC 0.3A Servo Motor Control Transistor output module designed for Mitsubishi MELSEC A Series PLC systems. Provides 12/24VDC control output at 0.3A for...46748- SKU:
- 46748
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 4.00 LBS
- Brand:
- Mitsubishi Electric
- Model:
- AY51C
- MPN:
- AY51C
- SKU:
- 46748
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Module only; pulled from a larger working system; untested
- Form Factor:
- Card / Module
- Compatible With:
- Mitsubishi MELSEC A Series PLC Systems
- Country of Manufacture:
- Japan
- Power Requirements:
- DC 12V / 24V, 0.3A
- Voltage Rating:
- 12/24 VDC
- Current Rating:
- 0.3A
- Module Type:
- Transistor Output Module
- Application:
- Servo Motor Control
- Series:
- MELSEC A Series
- Certifications:
- UL Listed 80M1, CE
- Date Code:
- 9908G (August 1999)
- Condition Notes:
- This Mitsubishi AY51C MELSEC PLC Output Module was pulled from a larger working system but has not been powered up or bench-tested at our facility. The module shows typical wear consistent with industrial use.
- California Prop 65 Warning:
- WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
$64.00Was: $200.00