



The ABB Bailey NCTM01 is a dedicated Network Communication Termination Module used within the INFI 90 / Net 90 distributed control system (DCS) architecture. It is designed to ensure correct electrical termination of communication lines, maintaining signal integrity and stable data transmission across ABB Bailey industrial networks.
In large distributed control systems, improper termination can cause signal reflection, communication noise, and data instability. The NCTM01 eliminates these issues by providing controlled impedance matching at the network endpoints. It is widely applied in power plants, oil refineries, petrochemical facilities, and heavy industrial automation environments, where stable communication is essential for safe and continuous operations.
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Network Communication Termination Module |
| System | ABB Bailey INFI 90 / Net 90 DCS |
| Function | Network signal termination and impedance matching |
| Communication Role | Stabilizes DCS communication bus performance |
| Interface Type | INFI 90 proprietary network bus |
| Electrical Function | Signal reflection suppression |
| Network Stability | Enhances communication reliability |
| Compatibility | NCOM / NBCM / NBIM series modules |
| Diagnostics | Passive module (no processing function) |
| Module Type | Rack-mounted termination unit |
| Installation Position | End-of-line network termination |
| Power Requirement | None (passive device) |
| Operating Temperature | 0°C to 70°C |
| Humidity | 5%–95% non-condensing |
Dimensions & Weight
| Item | Value |
|---|---|
| Size (L × W × H mm) | 178 × 51 × 102 mm |
| Weight | approx. 0.3 – 0.7 kg |
Recommended Related Models
- ABB NBTM01 – network bus termination module
- ABB NBCM01 – network bus communication module
- ABB NBIM01 / NBIM02 – network interface modules
- ABB NCOM02 / NCOM03 – network communication modules
- ABB INNPM11 – network processing module
Popular ABB Bailey Models
- INFI 90 network termination components
- Bailey Harmony distributed control systems
- ABB Symphony automation platforms
- Net 90 communication architecture modules
- Industrial DCS network infrastructure components