CIO-DIO48H User's Guide

Functional Details

 

+5 VDC

2.2 K SIP

Dot

 

 

 

HI

COM

 

 

 

 

 

n7

 

 

 

n6

 

ConnectorUser LinesI/ODigital

 

n5

 

 

 

 

Digital

n4

 

 

I/O

 

 

 

 

 

Port

n3

 

 

 

n2

 

 

n = A, B, or C

n1

 

 

 

n0

 

 

LO (GND)

2.2 K SIP installed for pull-up

+5 VDC

 

 

HI

2.2 K SIP

 

 

 

 

 

 

n7

 

 

 

 

n6

 

ConnectorUser

LinesI/ODigital

 

n5

 

 

 

 

 

Digital

n4

 

 

 

I/O

 

 

 

 

 

 

 

Port

n3

 

 

 

 

n2

 

 

 

n = A, B, or C

n1

 

 

 

 

n0

 

 

 

LO

 

COM

 

 

(GND)

 

Dot

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.2 K SIP installed for pull-down

Figure 5. Pull-up and pull-down resistor SIPs schematic

To pull-up lines, orient the SIP with the common pin (dot) toward the HI end; to pull-down, install the resistor with the common pin in the LO hole. When installing pull-up and pull-down resistor SIP packs, we recommend using 2.2K, eight-resistor Single Inline Packages (MCC part number SP-K2.29C). Use a different value only if necessary.

Unconnected inputs float

Unconnected inputs typically float high, but not reliably. If you are using a CIO-DIO48H for input and have unconnected inputs, ignore the data from those lines. You do not have to terminate input lines. Unconnected lines will not affect the performance of connected lines. Mask out any unconnected bits in software.

Digital I/O Isolation

To provide external signal conditioning and isolation, you can connect the CIO-DIO48H to a CIO-ERB24 or SSR-RACK24. The CIO-ERB24 provides 24 Form C electromechanical relays. The SSR-RACK24 is a mounting rack for 24 solid-state relays.

The CIO-DIO48H provides digital I/O in groups of 48 bits. Many relay and solid-state relay (SSR) racks provide only 24-bits of digital I/O. You can configure the CIO-ERB24 relay output board and SSR-RACK24 I/O module rack in a daisy chain configuration to use all of the digital I/O bits provided by the CIO-DIO48H board. An example of the daisy chain configuration scheme for each board is shown on page 15.

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IBM manual Digital I/O Isolation, CIO-DIO48H Users Guide Functional Details
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CIO-DIO48H specifications

IBM CIO-DIO48H is a cutting-edge, high-performance digital input/output card designed for industrial and commercial applications. This advanced component plays a crucial role in data acquisition and control systems, providing seamless communication between various devices within a network. The CIO-DIO48H is specifically engineered to handle multiple digital signals, making it an indispensable tool for automation and process control.

One of the standout features of the CIO-DIO48H is its capacity to support 48 digital I/O lines. This extensive input/output capability allows users to connect multiple sensors, switches, and other control devices simultaneously, thereby streamlining operations and improving efficiency in data collection. The board is equipped with 24 input and 24 output channels, providing ample flexibility for a wide range of applications.

The technologies integrated into the CIO-DIO48H significantly enhance its functionality and reliability. The use of high-speed FPGA (Field-Programmable Gate Array) technology enables real-time processing of digital signals, which is essential for applications requiring quick response times. This ensures that data is processed with minimal latency, making it ideal for time-sensitive automation tasks.

In addition to its robust processing capabilities, the CIO-DIO48H supports multiple communication protocols, including USB, Ethernet, and Serial. This versatility allows for easy integration with various systems and devices, enabling users to customize their setups according to specific requirements. The card is also compatible with a variety of operating systems, including Windows and Linux, ensuring broad accessibility for developers and engineers.

Another important characteristic of the CIO-DIO48H is its built-in support for hardware interrupts. This feature allows the card to signal when a change in input state occurs, eliminating the need for constant polling and freeing up system resources for other tasks. As a result, users can achieve more efficient and responsive data handling.

Furthermore, the CIO-DIO48H is designed with a rugged and compact form factor, making it suitable for deployment in both office and harsh industrial environments. Its durability ensures reliable performance over extended periods, reducing maintenance costs and downtime.

Overall, the IBM CIO-DIO48H combines high performance, flexibility, and reliability, making it an ideal choice for various applications in the automation and control sectors. Its advanced technologies and extensive features empower users to create efficient and effective systems tailored to their specific needs, paving the way for innovation and productivity in their operations.
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