GE Fanuc IC693MDR390C Series 90-30 I/O Module

Configured for discrete signal sensing and relay contact switching in GE Fanuc Series 90-30 platforms, the GE Fanuc IC693MDR390C (IC693MDR390 Mixed Input/Output Module) provides direct physical/electrical execution. The module integrates a 24 VDC input section alongside an 8-point relay contact output section to execute real-time field device control over local backplane buses.

Hardware Specifications

GE Fanuc Backplane Bus & Deterministic Communications

The module routes high-density I/O signals directly across the Series 90-30 backplane bus to ensure deterministic logic scan timing. Integrated optic couplers provide galvanic isolation between field-side input circuitry and internal backplane logic to prevent high-voltage noise propagation. Internal firmware flash compatibility ensures synchronized scan execution with the primary CPU, while individual channel status LEDs display real-time physical point states for rapid field verification.

Frequently Asked Questions

Q: Can the IC693MDR390C module be inserted into or removed from the backplane while powered?

A: No. Power to the Series 90-30 rack baseplate must be completely disconnected prior to seating or removing the module to prevent edge connector damage and backplane bus corruption.

Q: Are the 24 VDC inputs configured for sinking or sourcing field devices?

A: The input channels support both positive logic (sinking) and negative logic (sourcing) field connections depending on the external power common wiring.

Field Installation Guidelines

1. Disconnect all primary power sources feeding the Series 90-30 baseplate and field wiring blocks.
2. Align the top and bottom card guides of the IC693MDR390C module with the selected baseplate slot.
3. Pivot the module downward until the rear connector seats fully into the backplane, engaging top and bottom retaining clips.
4. Secure field wiring to the removable terminal block and land shield grounds directly to the main enclosure earth busbar.