Name: Honeywell CC-GDIL21 51306319-175 Galvanically Isolated Digital Input IOTA
Brand: HONEYWELL
SKU: 2928388
Price: 1 USD
Availability: InStock

HoneywellSeries C I/O

Verified product record

Honeywell CC-GDIL21 51306319-175 Galvanically Isolated Digital Input IOTA

Product Description

Honeywell CC-GDIL21 51306319-175 is a Series C galvanically isolated digital-input IOTA for thirty-two 24 V DC field states. It connects hazardous-area contact or sensor wiring to the digital-input IOM through plug-in MTL4510 isolators, so field transitions reach the controller through an isolated, defined signal path.

Eight four-channel isolators populate Honeywell CC-GDIL21 51306319-175. Each MTL4510 accepts its assigned field group, applies the documented input thresholds and presents four isolated states to the IOM connectors; a field-supply or return problem can therefore be traced to the affected four-channel section.

During panel work, Honeywell CC-GDIL21 51306319-175 keeps the shield-grounding route, isolator position and IOM connector identity as separate checks. Unused positions use the specified dummy module, while commissioning proves one point through every installed isolator rather than relying on IOM recognition alone.

CC-GDIL21 digital input IOTA connection diagram

Product Specifications

Exact-model engineering data

Brand	Honeywell
Model	CC-GDIL21 51306319-175
Product Name	Galvanically Isolated 24 V DC Digital Input IOTA
Country	United States
System Family	Series C I/O
Input Count	32 digital inputs
IOTA Format	6-inch non-redundant high-density IOTA
Isolator Population	8 × MTL4510; four inputs per isolator
Operating Input	18 to 30 V DC
ON Threshold	13 V DC and 3 mA minimum
OFF Threshold	5 V DC and 1.2 mA maximum
Input Resistance	4.2 kΩ nominal
Isolation	1500 V AC RMS or ±1500 V DC optical path in the IOM
IOM Connection	Two input groups through J17/J18
Unused Positions	MTL4599 dummy isolator

System Integration

Honeywell CC-GDIL21 51306319-175 sits between four-wire field groups and the Series C digital-input IOM, keeping field terminals, isolation and controller data as distinct stages.

Field-to-isolator path

Four field points enter each MTL4510 through the assigned IOTA terminals and shield-grounding arrangement.

Isolator-to-IOM path

The isolator presents four conditioned states to the IOM connector, while the IOM transfers accepted input data into the Series C control system.

Group-level tracing

Because eight isolators make up the thirty-two-point assembly, a wiring or supply issue can be narrowed to one four-channel section before the complete IOTA is disturbed.

Installation Highlights

Install Honeywell CC-GDIL21 51306319-175 by preserving the documented isolator map and shield path, then prove the signal chain in controlled groups.

Record and de-energize

Photograph the IOTA, mark every field conductor and remove field and system power before an isolator or IOTA connector is released.

Seat the correct modules

Install MTL4510 isolators in active positions and the documented dummy in unused positions; do not substitute an output isolator with a similar front profile.

Verify every section

Restore power, confirm IOM recognition and drive one known input through each four-channel isolator while checking both field voltage and controller indication.

Common Questions

Which IOM is paired with Honeywell CC-GDIL21 51306319-175?

Honeywell CC-GDIL21 51306319-175 is the isolated input IOTA for the documented Series C digital-input IOM path; verify the installed IOM article and the J17/J18 connection before service.

Why are four inputs on Honeywell CC-GDIL21 51306319-175 missing together?

Four channels share one MTL4510 on Honeywell CC-GDIL21 51306319-175, so inspect that isolator, its field supply, return and connector before replacing the full IOTA.

What voltage confirms an ON state for Honeywell CC-GDIL21 51306319-175?

Honeywell CC-GDIL21 51306319-175 requires at least 13 V DC and 3 mA for the documented ON condition; a lower field value may remain below the accepted threshold.

How are unused slots handled on Honeywell CC-GDIL21 51306319-175?

Unused positions on Honeywell CC-GDIL21 51306319-175 take the documented MTL4599 dummy module so the physical slot arrangement remains controlled.

Can Honeywell CC-GDIL21 51306319-175 be changed with field power present?

No. Isolate and verify the field and system supplies for Honeywell CC-GDIL21 51306319-175 before releasing conductors, isolators or IOM connectors.

How do I prove the isolation path on Honeywell CC-GDIL21 51306319-175?

For Honeywell CC-GDIL21 51306319-175, apply a known field transition to each isolator group and confirm the matching IOM point without bridging field and control references.

Customer Support

Moore Automation

https://www.mvme.cn/

Moore Automation keeps photographs, model strings, requested quantities and destination details attached to one customer enquiry.

That record structure helps isolated-I/O questions retain the exact IOTA and isolator details needed for review without promising compatibility that has not been verified.

Model reviewExact identifiers kept visible.

Supporting filesPhotos and drawings linked.

Response recordTechnical and commercial details stay together.

Enquiry Information

Discuss the exact product record

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Product Name	Honeywell CC-GDIL21 51306319-175 Galvanically Isolated Digital Input IOTA
Item NO.	2928388
Weight	0.1 kg = 0.2205 lb = 3.5274 oz
Category	HONEYWELL
Brand	HONEYWELL
Creation Time	2026-10-30

Honeywell CC-GDIL21 51306319-175 Galvanically Isolated Digital Input IOTA Item NO.: 2928388