Triconex 4353 SIS Safety System Communication Module
Triconex 4353 is the communication module of Tricon SIS security system, serving as the external communication interface of Tricon SIS security system; The NET2 network port is equipped with an OPC DA server, which provides OPC data access to the upper computer DCS, SCADA, and HMI; NET1 port enables communication through protocols such as Modbus TCP, TriStation, SNTP, etc; Simultaneously, 4 serial ports support Modbus RTU, enabling data exchange with third-party instruments and PLCs; Complete the external forwarding of SIS system process variables, alarms, and SOE events, without participating in security logic operations, only responsible for data exchange and transmission.
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Function: To receive 24VDC discrete input signals from on-site switches, limit switches, relay contacts, etc; Complete signal filtering, fuse protection, and transfer on-site signals to the internal I/O cards of the Tricon system; Realize electrical transition between on-site lines and safety systems, provide overcurrent protection, simplify on-site wiring, facilitate maintenance and troubleshooting, and ensure stable and reliable SIS system acquisition interlocking, shutdown, and status feedback signals.
Triconex 4353 SIS Safety System Communication Module
| Parameter | Value |
|---|---|
| Model | 4353 (TCM‑OPC) |
| Product family | Tricon Triconex SIS System |
| Module type | Communication TCM module with embedded OPC server |
| Ethernet port | 2 × RJ45 copper 100 Mbps |
| Serial port | 4 × DB‑9, RS232 / RS422 / RS485 |
| Port isolation | 500 VDC |
| Supported OPC standard | OPC DA 2.05, A&E 1.10 |
| Communication protocol | TriStation, Modbus TCP, Modbus RTU, SNTP, TSAA, TCP/IP |
| System firmware requirement | Tricon V10.3 or higher |
| Power supply | Backplane 5 VDC |
| Power consumption | 18 W max |
| Hot‑swap | Online hot‑swappable |
| Max quantity per system | 4 pieces(2 logical slots) |
| Operating temperature range | 0 ~ +60 ℃ |
| Storage temperature range | -40 ~ +85 ℃ |
| Relative humidity | 5‑95% non‑condensing |
| Dimension(H×W×D) | 355 ×42 ×310 mm |
| Weight | 1.45 kg |
| Transport gross weight | 1.85 kg |
| Origin | USA |
| Certification | TÜV SIL3, CE |

Product features
- 32 channel digital input terminal interface, each channel is equipped with an independent fuse, and a single channel fault will not cause the entire board to fail, achieving channel level overcurrent protection.
- DIN rail cabinet installation, modular structure, plug-in terminal blocks, easy wiring, maintenance and replacement.
- Specially designed for Triconex TMR triple redundant security system, compatible with corresponding series of DI cards, signal matching does not require additional conversion.
- Equipped with signal filtering processing to suppress on-site electromagnetic interference and improve the reliability of switch signal acquisition.
- Onboard status indicator light provides a visual view of channel continuity and fuse faults, facilitating on-site fault location.
- Isolation transition design, sharing the risk of external line faults, protecting internal I/O cards of the system from damage caused by on-site surges and short circuits
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