I. Core Parameters (Official Standard Version of CM3201)

1) Basic Specifications

Model: CM3201 (Communication Module, TMR)

Architecture: TMR Triple Redundancy (Three processors operate independently, median voting)

Port Configuration (per module):

3 × Isolated Optical Serial Ports: RS-232/485 (Software selectable)

2 × Ethernet Ports: 10BaseT (RJ45) + AUI (Old-fashioned coaxial)

Protocol Support:

Serial Ports: Modbus RTU Master/Slave, TriStation, TSAA, Tricon Peer-to-Peer Communication

Network Ports: TCP/IP, UDP/IP, Modbus TCP, TriStation Ethernet

Serial Port Rate: Up to 115.2 kbps (Independent configuration per port)

Network Port Rate: 10 Mbps (Half/Full Duplex)

Isolation: Serial Port ↔ Backplane 1500VAC; Isolation between Ports

Redundancy Capability: Supports Dual CM3201 Redundancy (Automatic Master/Slave Switching)

Power Supply: 24VDC (Backplane, ±10%)

Power Consumption: Maximum 10W

Operating Temperature: -40°C ~ +70°C

Certifications: CE, UL, CSA, ATEX/IECEx, TÜV SIL3

Installation: Trident Host Rack CM Slot (Requires CM Board)

Quantity Limitation: Single Trident Controller Can Install Up to 2 CM3201

Size (D × W × H): Approximately 220 × 169 × 44 mm

Weight: Approximately 1 kg

2) Panel Indicators

PWR (Green): Module Power Supply Normal

OK (Green): TMR Voting Normal, Module Running Normal

FAULT (Red): Module / Port / Diagnostic Fault

COM0–COM2 (Yellow): Serial Port Transmit/Receive Indicator

ETH (Yellow): Ethernet Transmit/Receive Indicator

3) Key Features of CM3201

Connected Objects: DCS, PLC, SCADA, Host Computer, Printer, Other Tricon Systems

Data Interaction: Real-time Read/Write AI/AO/DI/DO, System Status, Alarm, Historical Data

Diagnosis: Port Fault, Protocol Error, Data Verification, Redundancy Switching, Over Temperature

Configuration Tools: TriStation Trident (Configure Ports, Protocols, Addresses, Redundancy)

II. Typical Application Scenarios

SIS ↔ DCS Communication: Modbus TCP/RTU Bidirectional Data Exchange (Interlocking Signals, Process Parameters)

SIS ↔ Host Computer / SCADA: TCP/IP Real-time Monitoring and Operation

SIS ↔ Third-party Devices: RS-485 Modbus Connection Analyzer, Frequency Converter, Instrument

SIS Redundant Communication: Dual CM3201 Redundancy to Ensure Communication Link Continuity

III. Comparison of CM3201 (Same Platform Communication Modules)

CM3201: 3 Serial Ports + 2 Network Ports, TMR, SIL3, General Type; Standard External Communication

CM3202: 2 Network Ports (100Mbps), High-speed Ethernet, No Serial Ports; Large Data / High-speed DCS Connection

CM3203: 4 Serial Ports, High-density Serial Ports, 1 Network Port; Multiple Instruments / Third-party Devices Connection