IC694BEM331 - I/O Bus Controller Module

SPECIFICATIONS:

Part Number: IC694BEM331
Manufacturer: General Electric
Series: RX3i PacSystem
Protocol Support: Genius
Isolation: 2000 volts Hi-Pot, 1500 volts
Data Rates: 153.5Kbaud
Bus Type: Daisy-chained bus cable
Bus Termination: 150 Ohm resistor
Communications: Global Data
Maximum Number of Devices: 32
Backplane Support: No Backplane
Exchange rate: 128 bytes
LED Indicators: 2
Current Consumption: 300mA
Baud rate: 153.5 K
Transient: 1500 Volts
Data Length: 128 bytes per message
Current: 300 mA
Voltage: 5 Volts DC
Bus termination: 75/100/120/150 ohm resistor
Weight: 0.37 Kg
Shipping weight: 1.5 Kg
Country of Origin: United States
Availability: In Stock

FUNCTIONAL DESCRIPTION:

IC694BEM331 is an I/O Bus Controller Module manufactured and designed by GE Mark II Series as part of the GE Speedtronic Gas Turbine Control Systems. The module integrates effortlessly with RX3i PACSystems controllers and Serial Bus I/O systems. It is compatible with multiple devices, including blocks, remote drops, controllers, handheld monitoring tools, and I/O stations. This Genius I/O Bus Controller can transfer up to 128 data bytes on the I/O bus simultaneously. It features two LED indicators on its front panel to display the operation and communication bus status, both turning green during normal operation. The module supports configurable data rates, such as 153.5 Kbaud for standard and extended communication, along with additional rates of 76.8 Kbaud and 38.4 Kbaud.

The GE Bus Controller boasts a Hi-pot isolation rating of 2000 Volts and a transient common-mode rejection rating of 1500 Volts. It is managed using Proficy Machine Edition programming software. Operating at 5 Volts DC, it has a rated current of 300 milliamps. Additionally, this unit offers enhanced diagnostic capabilities, enabling it to identify faults and errors during PLC system operation.

FUNCTIONS OF I/O BUS CONTROLLER MODULE:

Data Exchange: The primary role of the I/O Bus Controller is to manage the transfer of data between the central controller (like a PACSystem or PLC) and connected I/O devices. These devices include I/O blocks, remote drops, handheld monitoring tools, and other peripheral modules. The controller ensures a seamless flow of up to a specified number of data bytes (e.g., 128 bytes) within the I/O bus at any given time, facilitating efficient communication across the system.

Error Detection: Advanced diagnostic features allow the I/O Bus Controller to continuously monitor the communication bus for faults or errors. These could include communication failures, mismatched data, or hardware malfunctions. By detecting and reporting issues promptly, the module helps minimize system downtime and ensures reliable operation.

Data Rate Configuration: The module supports multiple configurable data rates, making it adaptable to various system requirements. For example, it might operate at standard and extended communication rates of 153.5 Kbaud or lower rates like 76.8 Kbaud and 38.4 Kbaud. These adjustable rates allow the system to optimize communication speeds based on the specific application and network load.

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FREQUENTLY ASKED QUESTIONS:

What is the primary function of an I/O Bus Controller module?

The main function of an I/O Bus Controller is to facilitate seamless communication between the central controller and peripheral devices such as I/O stations, remote drops, and handheld monitoring tools. It acts as a bridge, allowing the transfer of data to and from these devices. By efficiently managing data exchange, it ensures the smooth operation of the entire automation system.

How does an I/O Bus Controller handle data rates?

An I/O Bus Controller supports multiple configurable data rates to adapt to different system requirements. Typical rates include 153.5 Kbaud for standard communication, along with 76.8 Kbaud and 38.4 Kbaud for lower speed settings. These adjustable rates allow the module to optimize communication speed and reliability based on the specific needs of the application and network load.

What are the diagnostic capabilities of an I/O Bus Controller?

I/O Bus Controllers are equipped with advanced diagnostic features that continuously monitor the system for faults or errors. These capabilities include detecting communication issues, hardware failures, or mismatched data. The controller provides real-time feedback to operators, enabling them to address problems quickly and minimize system downtime.