Honeywell 51202329-602 Series C I/O Link Cable

Product Introduction

The 51202329-602 is a factory-terminated I/O Link cable assembly from Honeywell's Experion PKS Series C family. It connects the C300 Controller IOTA to Series C IOTAs and IOMs inside a CCA cabinet. This gray header cable carries three drops and distributes the I/O Link horizontally across the cabinet top. Additionally, each assembly pairs one Cable A with a yellow label and one Cable B with a green label. Both cables are always required together for redundant I/O Link operation.

Technical Specifications

The table below summarizes the published parameters for this passive cable assembly. Specifically, Honeywell documents these values in the R301.1 cabling guide and the EP03-300-511 C300 capacity document.

Communication and Capacity Notes

The I/O Link runs at 750 KBaud and delivers 2,000 Link Units per second for Series C I/O. One Link Unit equals one parameter read or write per second. Therefore, engineers must plan I/O loading against the 40-unit ceiling per link. IOTA address jumpers run from 1 to 40 and map directly to this limit. Furthermore, the C300 Controller exposes two links, IOL1 and IOL2, so a single controller can address two independent I/O segments. Meanwhile, the connector text symbols IOL1A/IOL1B and IOL2A/IOL2B help technicians match cable ends to the correct port.

Redundancy Design

Honeywell always supplies this harness as a matched pair. Cable A carries a yellow label, and Cable B carries a green label. Both cables route together between the controller IOTA and the field IOTAs. However, the two cables remain physically separate so that a single fault cannot disable both paths. Besides, the pair ships either individually or as a complete set, depending on the order line.

System-Level Compliance

The Series C platform holds EN 61326-1:2013 EMC certification and IEC/EN 61010-1 safety approval. This passive cable harness ships inside the certified cabinet assembly. Therefore, it does not carry a per-cable UL, CE, or CSA marking. For instance, the platform certificate covers the harness as part of the installed system rather than as a standalone article.

Mechanical and Environmental Parameters

Honeywell does not publish conductor gauge, jacket material, flame rating, or per-cable temperature range for the 51202329-602. The manufacturer treats this item as a passive cabinet-internal harness. Consequently, buyers should rely on the certified cabinet assembly ratings instead of per-cable figures. First, the harness operates inside a controlled cabinet environment. Next, the 30 ft (9 m) extension ceiling limits total I/O Link run length. Finally, third-party distributor pages list contradictory figures such as 0.5 mm² PVC, 22 AWG ferrule, M12 connectors, and RG6 coax; these claims conflict with each other and with Honeywell sources, so this listing rejects them.

Installation Guide

Installing the 51202329-602 follows a straightforward cabinet wiring sequence. First, mount the C300 Controller IOTA in its assigned CCA slot and confirm the IOL1 or IOL2 port symbol. Next, connect Cable A (yellow) to the IOL1A or IOL1B port. Then, connect Cable B (green) to the matching B port. After that, route the three drops along the cabinet top toward the target Series C IOTAs. Additionally, verify that each IOTA address jumper sits between 1 and 40 and matches the planned link map. Finally, chain any extra header or extension cables within the 30 ft (9 m) extension limit.

Practical Wiring Tips

Keep the yellow and green cables on separate physical paths wherever the cabinet layout allows. Besides, label both ends before pulling cable through dense cabinet sections. Moreover, check that each drop lands on the correct IOTA and that no address repeats on the same link. Therefore, a short continuity check before power-up saves commissioning time.

Packaging List

• 1 x Honeywell 51202329-602 I/O Link header cable, 3 drops, gray

• 1 x Cable A, yellow label

• 1 x Cable B, green label

FAQ

Q1: What does the 51202329-602 cable connect?
A: It links the C300 Controller IOTA to Series C IOTAs and IOMs. Specifically, it carries the 750 KBaud I/O Link signal within a CCA cabinet.

Q2: Why do Cable A and Cable B ship as a pair?
A: Honeywell requires both cables for redundant I/O Link operation. Cable A is yellow and Cable B is green, and both must route together.

Q3: How many drops does this header cable provide?
A: The assembly provides three drops. Additionally, it can chain to further header or extension cables within the 30 ft (9 m) limit.

Q4: What is the maximum I/O count per link?
A: Each link supports up to 40 I/O units at 50 ms CEE. Furthermore, each C300 Controller offers two links, IOL1 and IOL2.

Q5: How is the 51202329-602 shipped?
A: We ship orders by Fedex, UPS, and DHL. Besides, each order includes the cable pair in protective packaging.