IC693CBL301 GE Fanuc Series 90-30 Datasheet & Technical Manual

GE Fanuc IC693CBL301 Series 90-30 I/O Bus Expansion Cable

GE Fanuc IC693CBL301 Series 90-30 I/O Bus Expansion Cable

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The GE Fanuc IC693CBL301, also cataloged as the IC693CBL301 I/O Bus Expansion Cable, operates as a dedicated hardware component for...

رمز المنتج: IC693CBL301

Manufacturer: GE Fanuc
Product No.: IC693CBL301
Product Type: PLC Cable Assemblies
Product Origin: USA
Payment:T/T, Western Union
Weight: 260g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

The GE Fanuc IC693CBL301, also cataloged as the IC693CBL301 I/O Bus Expansion Cable, operates as a dedicated hardware component for interconnecting CPU baseplates to expansion or remote baseplates within GE Fanuc Series 90-30 PLC platforms.

Hardware Specifications

Parameter	Specification
Model	IC693CBL301
Brand	GE Fanuc Emerson
Origin	United States
Weight	0.56 lbs (0.26 kg)
Dimensions	Single 2-meter (6-foot) cable assembly
Operating Temp	0 to 60 deg C
Power Consumption	Passive physical connection
Cable Length	2 meters (6 feet)
Shielding Structure	Continuous foil/braid shielding (Belden 8107)
Connector 1st End	Single 25-pin D-sub male connector
Connector 2nd End	Two-headed 25-pin D-sub (1 male, 1 female Wye layout)
Expansion Limits	Up to 7 cables (CPU 350-364), Up to 4 cables (CPU 331-341)
Max Aggregate Distance	50 feet (15 meters) expansion / 700 feet (213 meters) remote
Bus Termination Requirement	IC693ACC307 bus terminator plug on final open female port

Backplane Bus Communication Velocity and Signal Integrity

The IC693CBL301 preserves system-wide backplane bus communication velocity by transmitting parallel data signals across continuous-shielded Belden 8107 conductor sets. Its low-impedance Wye topology ensures minimal signal distortion and delay when daisy-chaining baseplates across extended rack layouts. Maintaining proper signal integrity prevents bit errors and maintains high-speed scan synchronism across all local expansion and remote baseplates, preserving firmware flash compatibility and predictable scan execution.

Frequently Asked Questions

Q: What happens if the unused female connector on the final expansion rack is left unterminated?

A: An unterminated expansion bus causes high-frequency signal reflections, leading to erratic communication, intermittent parity errors, and potential loss of remote I/O data scan synchronization. An IC693ACC307 terminator plug must be installed on the open female port.

Q: How many IC693CBL301 cables can be daisy-chained in a single system?

A: Systems using CPU models 350 through 364 support up to 7 expansion cables (maximum aggregate length of 50 feet for expansion baseplates or 700 feet for remote baseplates). Systems using CPU models 331 through 341 support up to 4 expansion cables.

Q: Can the IC693CBL301 bus expansion cable be plugged or unplugged while the PLC is powered?

A: Removal and insertion of expansion bus cables under power is not recommended, as interrupting backplane bus continuity during an active scan cycle triggers immediate CPU system faults.

Field Installation Guidelines

Remove electrical power from the CPU baseplate and all secondary expansion or remote baseplates before installing or reconfiguring bus cables.
Attach the single 25-pin male D-sub connector on the first cable to the female expansion port located on the far right side of the main CPU baseplate.
Route the 2-meter shielded cable through dedicated low-voltage wiring troughs, isolating it from AC power lines and motor drive wiring.
Plug the male connector of the dual-headed Wye end into the female bus port on the left side of the adjacent expansion baseplate, tightening all connector thumbscrews to ensure frame ground contact.
Attach the next IC693CBL301 cable to the remaining female port to continue daisy-chaining, or insert an IC693ACC307 terminator plug into the open female socket on the last rack in the chain.

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