Description
ICS TRIPLEX TC-801-02-4M5 Trusted I/O Companion Slot Cable
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ICS TRIPLEX / Trusted |
| Part Number | TC-801-02-4M5 |
| Product Family | TC-800 Trusted Special I/O Cables |
| Cable Type | TC-801 I/O Companion Slot Cable |
| Primary Module | T8442 Speed Monitor |
| Input FTA | T8846 Speed Input FTA |
| Output FTAs | Up to three T8891 Speed Output FTAs |
| Cable Length | 4.5 m |
| Insulation Variant | -02 |
| Insulation Type | Low Smoke Low Halogen / LSZH |
| Flame Rating | IEC 60332-3 Category A |
| Chassis Connector | 96-way Type C |
| Chassis Hood | Double-width |
| FTA Connectors | Six 20-way screw-fit female headers |
| Header Pitch | 3.5 mm |
| SmartSlot Version | Not available |
| Recommended Maximum I/O Cable Length | 15 m |
Rockwell Automation’s Trusted Special I/O Cable manual identifies TC-801-02 specifically for the T8442 Speed Monitor and states that the cable is required for connections to one T8846 Speed Input FTA and up to three T8891 Speed Output FTAs.
Product Introduction
The ICS TRIPLEX TC-801-02-4M5 is a dedicated Trusted I/O Companion Slot Cable designed for the T8442 Speed Monitor. It provides the factory-terminated physical interface between the speed-monitoring module and its associated field termination assemblies. The documented arrangement uses a 96-way Type C connector at the chassis end and six 20-way screw-fit female headers at the FTA end.
The 4M5 suffix indicates a 4.5 m cable length, while -02 identifies the low-smoke, low-halogen cable construction. Trusted documentation states that TC-801 cables are manufactured to specified length and insulation requirements, with 15 m given as the recommended maximum I/O cable length.
TC-501-02-4M5
Application Scenarios & Field Pitfalls — Engineer’s Perspective
TC-801-02-4M5 belongs to the Trusted speed-monitoring signal path, rather than the general Trusted I/O cable families. Its intended architecture is T8442 → TC-801 → T8846/T8891 FTAs. That distinction matters when troubleshooting turbine speed or overspeed protection circuits.
Typical Applications
- Turbine speed monitoring — provides the physical signal interface between the T8442 Speed Monitor and the applicable speed FTAs.
- Overspeed protection systems — supports the wiring architecture used for speed-monitoring and associated output functions.
- Safety-system cabinet integration — connects chassis-mounted T8442 hardware with separately positioned termination hardware.
- Trusted system maintenance — replacement of an existing TC-801 cable while retaining the installed /FTA architecture.
Field Pitfalls
Do not treat TC-801-02-4M5 as an electronic I/O module. It is a passive, factory-assembled cable. Listings that identify it as a controller, digital input card, or generic DCS module are incorrect. The Rockwell manual categorizes TC-801 as a Trusted Special I/O Cable.
Do not substitute a generic cable. Although the cable contains individual cores and screened twisted pairs, the complete assembly includes a specific 96-way Type C connector, six 20-way female headers, fixed wiring, shielding, and the required termination arrangement.
Verify the FTA arrangement. The documented TC-801 arrangement uses three connections to the T8846 and one connection to each of up to three T8891 FTAs. The cable is supplied in that fixed arrangement; it is not simply a six-port generic harness.
Do not confuse 4M5 with 6M5. Both configurations are listed for the TC-801-02 family. The difference is cable length, which can affect cabinet routing and installation clearance.
Related Products
- — Trusted Speed Monitor module; primary module associated with TC-801.
- T8846 — Trusted Speed Input FTA; receives the speed-monitoring connections from the TC-801 cable.
- T8891 — Trusted Speed Output FTA; up to three units can be connected through the documented TC-801 arrangement.
- TC-801-02-6M5 — 6.5 m version of the same TC-801-02 cable family.
- TC-801-03 — related TC-801 cable construction; verify insulation and system requirements before substitution.
- TC-201-01-6M5 — Trusted internal 40-channel I/O cable family; different application.
- TC-301-02-2M0 — Trusted local expansion cable; connects expansion-system hardware rather than speed-monitoring FTAs.
- TC-303-01-2M0 — Trusted remote expansion cable; different architecture and termination.
- TC-305-01-5M0 — Trusted communications cable for the T8151 Communications Interface.
Procurement Note
For TC-801-02-4M5, specify the complete part number. The critical checks are:
- TC-801-02 cable family
- 4M5 / 4.5 m length
- Speed Monitor compatibility
- T8846 Speed Input FTA connection
- T8891 Speed Output FTA arrangement
- 96-way Type C chassis connector
- Six 20-way, 3.5 mm-pitch field-side headers
- -02 low-smoke, low-halogen cable construction
Rockwell’s documentation also states that there is no SmartSlot version of the TC-801 cable.
I would not approve a substitute based on cable length or connector appearance alone. For an installed Trusted speed-monitoring system, the /TC-801// combination should be verified against the cabinet drawings before replacement.
