1756-IB16 Allen Bradley Rockwell ControlLogix Digital I/O Module

Product parameters

Input channel:

Quantity: 16 digital input channels, divided into 1 group.

Input type: DC digital input.

Voltage range: 10-31.2V DC.

Nominal input voltage: 12/24V DC.

Isolation: Input to the backplane isolation, no isolation between channels or groups.

Electrical characteristics:

Open-state current

Maximum 7 mA @ 31.2V DC.

Minimum 2 mA @ 10V DC.

Closed-state characteristics:

Maximum voltage: 5V DC.

Maximum current: 1.5 mA.

Surge current: Maximum 250 mA, duration decays within 2 ms without activation.

Backplane current

5.1V DC: 150 mA.

24V DC: 2 mA.

Total backplane power: 0.58W.

Power dissipation: Maximum 5.1W at 60°C.

Heat dissipation: 17.4 BTU/ hour at 60°C.

Isolation voltage: 250V (continuous), basic insulation type, input to backplane isolation.

Input delay time:

OFF to ON

Hardware latency: Nominal 1 ms, maximum 2 ms.

Users can configure the filtering time: 0, 1 or 2 ms.

ON to OFF

Hardware latency: Nominal 4 ms, maximum 8 ms.

Users can configure the filtering time: 0, 1, 2, 9 or 18 ms.

Physical properties:

Installation method: Rack-mounted, compatible with ControlLogix racks (such as 1756-A4, A7, A10, A13, A17).

Terminal block: Compatible with detachable terminal blocks (RTB), such as 1756-TBNH (20-pin screw terminal) or 1756-TBSH (20-pin spring clip terminal).

Pre-wired cables: Support Bulletin 1492 pre-wired cables (such as 1492-IFM20F, 1492-RIFM20F).

Enclosure type: Open type (IP20 protection grade).

Display: The front panel of the module has LED indicator lights for input status, communication status and module health status.

Environmental conditions:

Operating temperature: 0°C to 60°C

Storage temperature: -40°C to 85°C.

Relative humidity: 5% to 95% (non-condensing).

Vibration: 2G (10-500 Hz).

Operating impact: 30G.

Non-operational impact: 50G.

Surge immunity: The signal port can withstand a 1 kV line to ground surge.

Certification:

Compliant standards: CCC, CE, CSA, FM, KC, MARINE, RCM, UL.

Programming and Configuration

Compatible software: Studio 5000 Logix Designer, used for module parameter setting and programming.

Function

Medium-density input: It offers 16 DC input channels, suitable for scenarios requiring an appropriate amount of digital signal input. Compared to the 1756-IB32 (32 channels), it has a lower density but provides a simpler inter-group design.

Flexible communication format:

Support multiple data formats:

Standard input data format: Only return fault and input data.

CST timestamp input data format: Return the input data and the changed timestamp.

Rack-optimized data format: Collect digital word data from remote racks and convert it into rack images.

Only listen in mode (including standard, CST timestamp and rack-optimized format).

Input information can be shared with the ControlLogix controller via EtherNet/IP or ControlNet network.

Diagnosis and Status Monitoring

It is equipped with LED diagnostic indicator lights to display the module status, input status and communication health status, facilitating on-site fault investigation.

Supports user-configurable filtering time, optimizes input signal processing, and ADAPTS to different response speed requirements (such as fast switching or noise reduction applications).

Modular design

The on-site wiring is connected through detachable terminal blocks (RTB) or 1492 interface modules (IFM), which is convenient for installation and maintenance.

Supports rack-mounted installation and can be integrated into local or distributed ControlLogix racks.

Support multiple input devices:

Compatible with a variety of DC input devices, such as buttons, limit switches, proximity sensors, relay contacts, etc., and supports sinking configuration.

Suitable for 12/24V DC systems and widely compatible with industrial standard sensors.

High reliability

The design meets the requirements of industrial environments, is resistant to high temperatures, high humidity and vibration, and is suitable for demanding industrial applications.

Input to the backplane isolation ensures system reliability and reduces the risk of electrical interference.

Application scenarios

Manufacturing industry: It is used to monitor digital signals on production lines, such as the status of buttons, proximity sensors or limit switches, and is suitable for automotive manufacturing, packaging lines or electronic assembly.

Process control

It is applied in the chemical, petroleum and natural gas, pharmaceutical and food and beverage industries to monitor the on/off signals of switches, valves or other equipment.

It is suitable for scenarios that require precise detection of digital input, such as the status monitoring of pumping stations or pipeline systems.

Machine status monitoring: It is used to read the status of sensors or switches, track the operating status of equipment, such as detecting motor start/stop or fault signals.

Safety interlock: Detect the status of the emergency stop button or safety sensor in the safety system to trigger a safety shutdown or interlock operation.

Counting application: It is used for counting objects passing through sensors, such as product counting on production lines, and is suitable for medium-speed input signal processing.

Distributed control system: Integrated into distributed I/O systems via EtherNet/IP or ControlNet networks, it is suitable for large factories or remote monitoring applications.

Traditional system maintenance: 1756-IB16 is widely used for the maintenance or expansion of existing ControlLogix systems, especially suitable for scenarios requiring medium-density DC input.

Advantage Products:

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