FANUC IC660ELB921 — The IC660ELB921 is a single slot PC Interface module (PCIM)

Part number	IC660ELB921
Brand	FANUC
Category	Communication Module
Description	The IC660ELB921 is a single slot PC Interface module (PCIM)
Manufacturer	GE Fanuc Emerson
Product Line	Genius I-O
Part Number	IC660ELB921
Weight	2.88 lbs (1.30 kg)
Product Description	PC Interface Module
Number of Channels	Single-channel
Memory Requirement	4 bytes
Number of Slots	Single-slot
Compatible Daughtercard	IC660ELB912
Board Type	AT Style
Communication rate	38.4K, 76.8K, 153.6K standard, or 153.6K extended baud rates
Power Requirement	5 Volts DC, 400 milliamps
LED Indicators	GENI OK; COMMS OK
Bus Loading	1 LS TTL load per input line
Installation	ISA Slot
Bus Drive Capability	10 LS TTL load per output line
Power Requirements	5 volts DC +/– 10%, 400 ma (max)
Status LEDs	2 (for each daughterboard)
Operating temperature	0–60 C(32–140 F)
Ambient Operating Temperature	0 to 60 degrees Celsius
Storage temperature	–40 to +70 C(–40 to 158 F)
Humidity	5-95% (non-condensing)
Operating altitude	40,00 feet
Product Lifecycle	Discontinued

The IC660ELB921 is a single slot PC Interface module (PCIM). This module enables the connection of the host computer to the Genius I/O Bus, allowing monitoring and control functions of Genius I/O devices over the network. It supports the installation of a single daughtercard with catalog number IC660ELB912. This module has a memory requirement of 4 bytes and is mounted to an ISA-compatible...

Also written as

IC660ELB921EIC660ELB921JIC660ELB921LIC660ELB921M

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.