GE Fanuc IC694ALG390

Part Number: IC694ALG390

The IC694ALG390, manufactured by GE Fanuc, is a robust 2-channel analog module designed for use with the Rx3i PacSystem. This module provides two output channels capable of converting digital data into analog signals, refreshing at an approximate update rate of 5 milliseconds. In the event of a CPU reset or entry into stop mode, the outputs can be configured to either revert to a default state or hold the last state. The operational voltage range of the IC694ALG390 spans from -10 to +10 volts, while external voltage requirements range from 18VDC to 30VDC with a permissible ripple of up to 10%. The module’s installation location dictates its power sourcing: when placed in an RX3i Universal Backplane, an external source of isolated +24 VDC is required for operation. In contrast, if positioned within an Expansion Backplane, it can utilize either the isolated +24 VDC from the backplane itself or an externally connected isolated +24 VDC supply. Notably, if the external supply is between 27.5-30 VDC, it will take precedence and supply the load requirements over the isolated 24 VDC system. For optimal performance and to ensure hold last state functionality during backplane power loss, an external power source is advisable. It is recommended that field connections be made using high-quality twisted, shielded instrumentation cable to reduce capacitive loading and electromagnetic interference, with shields grounded at the user terminal connector block. The IC694ALG390 has a maximum output load of 5 mA, a power consumption of 32 mA at +5VDC, and 120 mA at +24VDC, and features factory calibration up to 2.5 mV per count.