1756-OB8I Allen Bradley Rockwell Digital DC Output Module
1756-OB8I is a digital output module from the ControlLogix product family.
HS CODE : 8538909200
Product No :
1756-OB8I 1756OB8IManufacture :
Allen BradleySize (cm) :
22 * 18 * 5Weight (kg) :
0.35Origin :
USAWarranty :
12 MonthLead Time :
Ready StockDescription :
I/O ModuleProduct parameters
The number of output channels: 1756-OB8I module provides 8 independent isolated output channels, each of which can be configured as digital output (ON/OFF).
Voltage range: This module supports power supply of 12V DC or 24V DC, and the working voltage range is 10V to 30V DC
Current output: The maximum output current of each channel is 2A (at 60°C), and the total output current of the module is 10A (at 60°C).
Output delay time
From off to on: maximum 1ms
From on to off: Maximum 2ms
Total backplane power: 0.89W (at 5.1V voltage) or 4.6W (at 60°C temperature)
Maximum power consumption: 4.6W (at 60°C
Isolation feature: The module provides an isolation voltage of 250V AC RMS to ensure electrical isolation between the input and output, preventing interference and noise
Temperature range
Operating temperature: 0°C to 60°C
Storage temperature: -40°C to 85°C
Certification and Standards
IEC 61000-6-4: Complies with electromagnetic compatibility standards
ESD immunity: 6kV contact discharge, 8kV air discharge
EFT/B immunity: ±2kV @ 5kHz.
Functional characteristics
Flexible configuration
The 1756-OB8I module supports 8 independent output channels, and each channel can be independently configured to the ON/OFF state, suitable for various control requirements
High reliability: This module adopts optocoupler isolation technology to ensure the stability and anti-interference ability of the output signal, making it suitable for harsh industrial environments
Strong compatibility: The 1756-OB8I module is part of the ControlLogix series and can be seamlessly integrated into Allen Bradley's PLC systems, supporting multiple I/O types and extended functions
Thermal management: The module has an excellent heat dissipation capacity, with a maximum heat dissipation of 16.03 BTU/hr, ensuring stable operation even under high loads
Remote terminal support: This module supports RTB (Remote Terminal Module) connection, facilitating expansion and remote monitoring
Application scenarios
Motion control: The 1756-OB8I module is widely used in motion control, such as in the control of robots, conveyor belts, mechanical arms and other equipment, controlling the start and stop of actuators through precise digital output
Process control: In industries such as chemical engineering, petroleum, and natural gas, this module is used to control the start and stop of equipment such as valves, pumps, and fans, achieving precise control of the production process
Industrial automation system: 1756-OB8I is one of the core components of the ControlLogix series, suitable for various industrial automation systems, such as assembly lines, inspection systems, safety control systems, etc
Safety Control: This module supports safe output and is suitable for industrial scenarios that require a high level of safety, such as emergency stop buttons and safety door control
Distributed I/O system: 1756-OB8I can be used as a part of a distributed I/O system, working in coordination with the main controller to achieve the expansion of large-scale industrial automation systems
Advantage Products:
DANFOSS | VLT® AutomationDrive,Plus+1®,MCP | ||
KEYENCE | KV-800,KV-300,KP-3000,KP-7000,KJ,KV-Nano,HMI | ||
GE FANUC | PACSystems RX3i,90-30,90-70 | ||
SCHNEIDER | Modicon M340,Modicon M580,Modicon X80,Pioneer | ||
BENTLY NEVADA | 3500/94,3500/53,3500/22M,3500/42M,330180-90-00 | ||
HONEYWELL | Experion® PKS,ControlEdge™ ,HC900 | ||
ALLEN BRADLEY | CompactLogix,ControlLogix, MicroLogix,Flex I/O | ||
WESTINGHOUSE | Westinghouse Modbus,Westinghouse 9080,Westinghouse 8000,Westinghouse 1000 |
All items are Distributor Ready-stock Genuine Brand-new Supplying, please inform us if the other conditions are needed, Used, Open-box, Refurbished, etc.
Many Available just wait for you, feel free to ask to get better deal!!!
Bou L(Sales Manager)
Tina(Sales Specialist)
Ricardo(Sales Specialist)
Tel:+86 18359251915
Doris(Sales Specialist)
Tel:+86 13599531915
Conditions |
Original Brand New |
Approximate Lead Time |
3-5 days |
Warranty |
One Year |
Online Service |
24 / 7 |
Express Company |
DHL / FedEx / UPS / TNT etc. |
MOQ |
1 Piece |
TZ Tech is not an authorized 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 authorized dealers. Because TZ Tech is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply.
While many PLC products will have firmware already installed, TZ Tech 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.
TZ Tech 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.
TZ Tech also makes no representations as to your right to install any such firmware on the product.
TZ Tech 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.
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