IC695ALG808 Isolated Analog Output Module for PACSystem RX3i

The IC695ALG808 is a high-performance isolated analog output module from Emerson Automation (formerly GE Intelligent Platforms). Designed for use within the PACSystem RX3i platform, this module provides reliable and precise analog output signals to various industrial devices, such as Variable Frequency Drives (VFDs), control valves, dampers, and more. It offers eight isolated channels that can be easily configured for a variety of output signals, making it an ideal solution for precise control and monitoring in industrial automation systems.

Key Features and Specifications

The IC695ALG808 analog output module is highly versatile, providing both current and voltage outputs. It is capable of delivering 0-20 mA, 4-20 mA current signals, and ±10 VDC or 0-10 VDC voltage signals. The module ensures that all channels are independently isolated, which increases system stability and minimizes interference. Moreover, it features a quick update rate of approximately 8 milliseconds, ensuring timely and accurate response.

The following table outlines the key technical specifications of the IC695ALG808:

Specification	Details
Manufacturer	Emerson Automation (formerly GE Intelligent Platforms)
Product Type	Isolated Analog Output Module
Product Line	PACSystem RX3i
Part Number	IC695ALG808
Weight	0.69 lbs (0.31 kg)
Number of Channels	Eight (8)
Output Signals (Current)	0-20 mA; 4-20 mA
Output Signals (Voltage)	±10 VDC; 0-10 VDC
Module Resolution	±10V: 14 bits; 0-10V, 0-20mA/4-20mA: 15 bits
Isolation Voltage (Field to Backplane)	2550 VDC for 1 second
Update Rate	8 milliseconds (approximate, all eight channels)
External Power Supply	19.2V to 30V (24V nominal)
Power Dissipation	7.25 Watts maximum
Maximum Output Load	1350 Ohms
Current Draw (3.3V)	360 mA maximum
Current Draw (5.0V)	17 mA
Calibration Accuracy	±0.15% full scale at 25°C; ±0.25% full scale at 60°C
Data Format	IEEE 32-bit floating point; 16-bit integer in 32-bit field
Module Fault Reporting	Supported
Alarm Settings	Low, High, Very Low, Very High, Fault, Latching

Description and Applications

The IC695ALG808 offers excellent flexibility with its software-configurable output signals. Each of the eight channels can be adjusted to suit specific requirements, such as delivering precise 0-20 mA, 4-20 mA, ±10 VDC, or 0-10 VDC signals. These output signals are typically used for controlling and monitoring a wide variety of industrial equipment, including VFDs, control valves, dampers, and process control instruments.

This module operates with a 24 VDC external power supply and requires direct termination to the module’s terminal block. It is compatible with several types of terminal blocks, including box-style and spring-style variants. The module’s 15-bit resolution on most outputs (14 bits for 0-10 VDC) ensures high accuracy and precision in control systems.

The IC695ALG808 is designed to deliver fast and reliable performance, with an analog update rate of 8 milliseconds across all channels. This allows for precise and real-time control of industrial devices. Additionally, the module supports alarm functions, allowing for the setting of low, high, and fault alarms with configurable limits. This ensures that operators are alerted in the event of any abnormal conditions.

This module is an excellent choice for systems that require fast, accurate, and isolated analog output signals. It is especially suitable for applications where control over multiple devices is necessary, such as in automated manufacturing or complex industrial systems.

Conclusion

In summary, the IC695ALG808 isolated analog output module by Emerson Automation (formerly GE Intelligent Platforms) is a versatile and highly precise solution for industrial automation systems. With its eight isolated channels, configurable output signals, and fast update rate, it is ideal for controlling a wide range of industrial equipment. Its high resolution, along with built-in alarm and fault reporting functions, ensures that it meets the demanding needs of modern industrial control applications.