GE IC693CHS392C 10-Slot Expansion Rack

This expansion rack adds ten module slots to a Series 90-30 PLC system. It houses additional I/O, communication, and specialty modules. You will mount this rack adjacent to the main CPU base.

Key Technical Specifications

The IC693CHS392C provides ten numbered slots for Series 90-30 modules. Its passive backplane connects all modules to the expansion bus. The rack also includes a built-in power supply connector at the left end.

Parameter	Technical Data
Product Type	Expansion Rack Base
Number of Slots	10 slots (positions 1-10)
Backplane Type	Passive, multilayer PCB
Compatible Modules	Series 90-30 I/O and specialty
Dimensions (W x H x D)	41.9 cm x 12.7 cm x 15.2 cm
Total Weight (empty)	2.3 kg (5.07 lbs)
Expansion Connector	1 x 50-pin ribbon (to CPU)
Power Supply Slot	Leftmost position (PS slot)
Mounting Holes	4 x M5 threaded (back panel)
Bus Current Rating	5A at 5V DC maximum
Energy Storage	None (passive backplane)
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 85°C

Hardware Architecture and Construction

The IC693CHS392C uses a multilayer PCB for clean signal distribution. Each slot contains discrete power pins and address lines for module detection. A metal chassis provides mechanical rigidity and electromagnetic shielding. The passive backplane requires no configuration jumpers or switches.

Interface and Connectivity

One 50-pin ribbon cable connects this expansion rack to the CPU base. The power supply mounts directly to the left end using a dedicated slot. Each slot accepts any Series 90-30 module except the CPU itself. You can daisy-chain up to three expansion racks from one CPU base.

Practical Installation Notes

Mount this rack vertically on a flat panel inside the control cabinet. The IC693CHS392C requires 5 cm clearance above and below for airflow. Always install filler plates in empty slots for proper cooling. Use shielded expansion cables for installations exceeding 50 feet from the CPU.