Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 10018/2/U |
| Manufacturer | Honeywell |
| Product Type | FSC-SMM Communication Module (Safety Manager Module) |
| System Platform | Honeywell Fail Safe Controller (FSC), installed in the FSC Central Part |
| Communication Network | Universal Control Network (UCN) to Honeywell TotalPlant Solution (TPS) |
| Communication Controller | Motorola 68360 Quad Integrated Communication Controller, 25 MHz |
| Token Bus Controller | Motorola 68824 Token Bus Controller, 10 MHz with Motorola 68194 carrierband modem |
| Memory | 4 Mbit flash for firmware; 16 Mbit local RAM with parity and battery backup; 2 Mbit shared RAM |
| Communication Link | Isolated redundant link, front connectors A (top) and B (bottom) |
| Supported Protocols | FSC-FSC, FSC-DS, Modbus RTU and Modbus H&B over UCN |
| Power Requirements | 5 Vdc, 2 A (ripple content below 50 mV p-p) |
| Space Requirements | 8 TE, 3 HE (8 HP, 3U Eurocard) |
| FSC Software Version | Version 510 or higher |
| COM Position Selection | Jumpers J1 and J2, configurable as COM1, COM2, COM3 or COM4 |
| Diagnostics | STATUS LED (red/green), Tx LED, P primary-node LED, A and B channel LEDs |
| Approvals | CE, UL, TÜV |
| Type Number / Part Number | 10018/2/U suffix 22702, part number 3400284 |
| Approximate Weight | 0.36 kg to 0.4 kg |
Main Features and Advantages
Dedicated network processing: The Honeywell 10018/2/U offloads all UCN communication tasks from the FSC control processor, running the token-bus protocol stack on its own Motorola 68360 controller with dedicated firmware in flash memory. Because the safety logic solver and the network interface are physically separate, a burst of network traffic or a UCN disturbance does not consume scanning time or compromise the deterministic execution of the safety application. On power-up, the application program is downloaded automatically from the control processor into local RAM, so the module reaches operational state without manual intervention.
Redundant isolated link: High availability is achieved through two independent UCN connections, A and B, both brought out on the front of the Honeywell 10018/2/U and electrically isolated from the FSC system bus. If one channel is disturbed by a cable fault or an adjacent node problem, the second channel continues to carry data, and the A and B LEDs show immediately which path is active. This redundancy matters in continuous process plants, where losing the safety system view on the operator console can force a conservative manual shutdown even though the process itself is still safe.
Transparent diagnostics: Front-panel indication on the Honeywell 10018/2/U gives maintenance teams the complete picture without a service tool. The STATUS LED distinguishes between loss of backplane power, offnet or alive state, normal UCN operation and program failure, while the Tx LED confirms data transmission and the P LED identifies the primary node in redundant configurations. Fault finding is therefore reduced to a visual walk-down of the rack, which shortens mean time to repair during a plant upset.
Drop-in replacement engineering: The Honeywell 10018/2/U is the flash-memory successor to the discontinued 10008/2/U and retains the same 8 TE / 3 HE footprint, backplane pinning, jumper-selectable COM1–COM4 addressing and front connector layout. Modules carrying suffix code 22701 and higher incorporate minor motherboard design changes for improved reliability, so the Honeywell 10018/2/U fits existing FSC Central Part slots with no cabinet modification, preserving the approved safety configuration and avoiding re-validation of field wiring.
