1771-IBD Allen-Bradley Digital DC PLC-5 Input Module

Product parameters

Basic information:

Manufacturer: Allen-Bradley (Rockwell Automation)

Model: 1771-IBD (Series B and other versions)

Type: Digital Input Module

Compatible system: PLC-5 series, installed on the 1771 I/O rack

Installation requirements: It can be installed in any slot except the dedicated slots for processors and adapters, and is compatible with 1771-A1B, A2B, A3B, A3B1, A4B, AM1, and AM2 racks (not compatible with 1771-A1, A2, and A4).

Electrical parameters:

Input channels: 16 input points

Input voltage range: 10-30V DC (positive or negative logic)

Nominal input voltage: 24V DC

Backplane current: 130 mA @ 5V DC

Power dissipation: minimum 1.0W, maximum 6.2W

Heat dissipation: minimum 3.4 BTU/ hour, maximum 21.1 BTU/ hour

Input current:

Nominal 12 mA @ 24V DC

Maximum 13.4 mA @ 30V DC

Maximum off-state current: 1.7 mA

Signal delay

Conduction: 1 ± 0.1 ms or 10 ± 1 ms (selected by jumper)

Disconnection: 1 ± 0.1 ms or 10 ± 1 ms (selected by jumper)

Operating temperature: 0°C to 60°C (32°F to 140°F)

Storage temperature: -40°C to 85°C (-40°F to 185°F)

Relative humidity: 5% to 95% (no condensation)

Connection and wiring:

Wiring arm: 1771-WH (Detachable terminal block, supporting module replacement without disconnecting the wiring)

Key control positions: 10-12 or 14-16 (To prevent incorrect installation)

Power supply requirements: Power is supplied through the backplane of the 1771 I/O rack. It is necessary to ensure that the total current demand of the modules within the rack does not exceed the power supply

Others:

Indicator lights: 1 green module activity indicator light, 16 red input status indicator lights (illuminated when voltage exists)

Certifications: c-UL, C-TICK, CE

Support for addressing: Supports 1/2 slot, 1 slot and 2 slot I/O addressing

Function

Discrete input processing

It provides 16 DC input channels, compatible with 10-30V DC signals (nominal 24V DC), supports positive logic or negative logic, and is suitable for devices such as buttons, limit switches, proximity sensors, and relay contacts.

Suitable for low-voltage DC signal input, but does not support AC signals or high voltages (such as 120V AC/DC).

Signal delay adjustment

Equipped with an adjustable delay time jumper (suitable for all 16 channels), the on-off delay of 1 ms or 10 ms can be selected to filter out noise and prevent false detection of the input signal.

Modular design

It uses the 1771-WH wiring arm, which supports modular wiring, facilitating installation and maintenance. Modules can be replaced without disconnecting the wiring.

Supports RIUP (Live Plug and unplug) function to reduce system downtime.

Status monitoring

The front panel is equipped with 1 green module status indicator light and 16 red input status indicator lights, facilitating real-time monitoring of input signals and module operation status.

The input status is transmitted to the PLC processor through the backplane for the program to read.

System Integration

Compatible with ControlNet, remote I/O and extended local I/O networks, supports master/slave configuration, and is suitable for distributed control systems.

It can be used in conjunction with the 1771 series output module to drive the input signal through inductors or resistors.

High performance and reliability

It provides fast and reliable local I/O processing, suitable for industrial control tasks with high response requirements.

The module is designed to be durable and suitable for harsh industrial environments, supporting a variety of discrete input devices.

Application scenarios

Industrial Automation

It is used to receive 24V DC discrete input signals, such as buttons, limit switches and proximity sensors, and is widely applied in automated production lines, assembly lines and material handling systems.

It is suitable for scenarios that require rapid response, such as automotive manufacturing, packaging equipment and food processing.

Distributed control system

In large factories, decentralized sensor and switch signals are integrated into the central PLC-5 controller through remote I/O or ControlNet networks.

It is applicable to equipment monitoring in the energy, chemical or water treatment industries.

Traditional system maintenance

It is applicable to the old automation systems based on PLC-5, especially when it is necessary to continue using the existing equipment.

It can be used as a transitional module to support migration to modern ControlLogix or CompactLogix systems.

Low-voltage DC control

Designed specifically for 24V DC signals, it is suitable for low-voltage DC control environments, such as electronic equipment control or small-scale automation systems.

It can be used for general control tasks that require high-density input (16 points).

Advantage Products:

All items are Distributor Ready-stock Genuine Brand-new Supplying, please inform us if the other conditions are needed, Used, Open-box, Refurbished, etc.

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