Allen Bradley 1775-S4B I/O scanner module

Max. Input Capacity

2048 inputs

Max. Output Capacity

2048 outputs

Number of Input Channels

4 Separate Communication Channels

Number of Output Channels

4 Separate Communication Channels

Serial Interface

1 RS-232-C Communication Channel

Nominal Scan Time

5.5 to 6.5 ms

Backplane Current

2.7 Amps at 5V DC

Max. Cable Distance

10,000 feet

Communication Protocol

Peer-to-Peer and I/O Scanning

Operating Temperature

0 to 60°C

Storage Temperature

-40 to 85°C

Relative Humidity

5% to 95% (non-condensing)

The Allen Bradley 1775-S4B functions as a crucial I/O scanner module within the PLC 3 series. Capable of managing an extensive input capacity, it supports up to 2048 individual inputs and the same for outputs. There are four distinct communication channels allocated for both input and output, providing streamlined interaction among devices. The module incorporates a single RS-232-C communication channel, facilitating reliable data exchange.

With a nominal scan time between 5.5 and 6.5 milliseconds, this unit efficiently processes information within automated systems. Power consumption is measured at 2.7 Amps at 5V DC on the backplane, ensuring compatibility with minimal power sources. The maximum cable distance for connections can be extended up to 10,000 feet, catering to large installations.

In terms of environmental specifications, the 1775-S4B operates optimally between 0°C and 60°C. For storage, it can endure temperatures ranging from -40°C to 85°C. This module tolerates relative humidity levels between 5% and 95%, provided that it remains non-condensing, making it suitable for a variety of industrial settings.

Question

Answer

What is the primary function of the Allen-Bradley 1775-S4B?

The 1775-S4B manages large-scale input/output communication and data exchange within PLC-3 automation systems.

How many inputs and outputs can the 1775-S4B support?

The module supports up to 2048 inputs and 2048 outputs.

What communication interface is available on the 1775-S4B?

The module includes an RS-232-C communication channel along with dedicated I/O communication channels.

What is the scan time of the 1775-S4B module?

The nominal scan time ranges from 5.5 to 6.5 milliseconds.

What environmental conditions can the 1775-S4B operate in?

The module operates within temperatures from 0°C to 60°C and humidity levels from 5% to 95% non-condensing.

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