A-B 1756-OB16E

Description

A-B 1756-OB16E is a digital DC hybrid input and output module produced by Allen-Bradley(now a brand of Rockwell Automation),which integrates Ethernet communication function.The following is a detailed introduction to A-B 1756-OB16E:

I.Basic characteristics

Input part:It has 10-point sink type DC input,the input voltage is generally 24V dc,and the voltage range is 19.2~31.2V.When the input is 0,the maximum input current is 1.5mA.

Output part:It has 6-point source type DC output,and the maximum output current of each point is 200mA.It is also said that the module has 16 output channels,divided into 2 electronic fusion groups,each with 8 channels,which can drive electrical loads such as relay coils,solenoid drive devices,indicator lights,alarms and other similar electrical loads.Provides an output current of 1A at 60°C(140°F)per channel,or an output current of 8A at 60°C(140°F)per module.Repeat every 2 seconds at 24 volts DC at 0°C(32°F).In addition,the minimum load current of the module is 3mA per channel.

Terminal block:The recommended terminal block model is 1794-TB3 or 1794-TB3S.

Ethernet communication:The module communicates with external devices through the Ethernet interface,which can easily transmit and exchange data with PLC(programmable logic controller)or other control systems.

2.Application scenarios

A-B 1756-OB16E Ethernet module is suitable for industrial automation systems and can be used to connect various input devices(such as buttons,sensors,contacts,travel switches,etc.)and output devices(such as actuators,motors,etc.).It can communicate with other devices via Ethernet to achieve remote monitoring and control.

A-B 1756-OB16E

3.Technical features

Reliability:The module adopts technologies such as optocoupler circuits to improve electromagnetic compatibility(EMC)and reliability,ensuring stable operation in harsh industrial environments.

Modular design:The A-B 1756-OB16E Ethernet module adopts a modular design,which can load all circuits into one module to form a whole,so it has the advantages of small size,low cost and easy installation.

Intelligent components:Contains DeviceLogix intelligent component technology,which can realize local control of card output;contains zone control I/O(ZCIO)card,which supports direct communication between cards without going through a network scanner.

Protection function:It has output short-circuit protection function to protect the output against accidental wiring errors.

A-B 1756-OB16E

IV.Compatibility

Controller:The A-B 1756-OB16E is a single-slot wide module that is compatible with any 1756 ControlLogix controller,such as 1756-A4,1756-A17,1756-A10,1756-A13,etc.

Rack:It can be installed on any 1756 ControlLogix rack.

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

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