Description
Key Technical Specifications
- Model Number: T9110
- Manufacturer: ICS Triplex / Rockwell Automation
- Series: Trusted® Safety Control System
- Type: Communication Interface Module
- Communication Protocol: Modbus TCP/IP (OPC UA and Profibus DP optional)
- Network Topology: Dual-port Ethernet (Hot Standby Redundancy)
- Switching Time: <100ms automatic failover
- Power Supply: 24 VDC (±10%, redundant input optional)
- Power Dissipation: 8 W typical at full load
- Safety Certification: TÜV Certified IEC 61508 SIL 2 / SIL 3
Functional Role & Application Analysis
The ICS Triplex T9110 acts as the critical bridge between the isolated safety network and the plant’s broader control architecture. It translates safety-critical data into standard industrial protocols like Modbus TCP/IP, allowing operators to monitor ESD and F&G statuses without compromising the safety system’s integrity. The dual-port design ensures that if a network cable fails, the redundant link takes over in under 100ms.
Typical use cases include:
- DCS Integration: Exchanging safety status and alarm data with Honeywell Experion or Emerson DeltaV systems.
- HMI Connectivity: Feeding real-time safety data to operator consoles and SCADA systems.
- Legacy Network Upgrades: Replacing failed communication cards in aging Trusted racks to maintain plant-wide visibility.
Our Quality Standard & Testing Process
A communication module failure can blind the control room to safety events. We don’t ship modules that haven’t proven they can handle network stress. Every T9110 is validated on a live test bench to ensure it communicates flawlessly and fails over correctly.
- Visual & Component Inspection: We inspect the Ethernet ports for physical damage and check the PCB for thermal stress. The 8W power dissipation means heat management is critical; we verify all components are secure.
- Live System Test: The module is installed in a Trusted test rack and connected to a Modbus TCP/IP master simulator. We verify it powers up, negotiates link speed (10/100 Mbps), and establishes communication.
- Full-Function Diagnostics: We test the redundancy failover by physically disconnecting the primary Ethernet port and verifying the secondary port assumes traffic within the <100ms spec. We also verify IP address filtering and ACL functions.
- Warranty Backing: Only modules passing all network and failover tests ship with our 12-month warranty. We provide test logs confirming communication integrity.

ICS TRIPLEX T9110
Compatibility & Migration Paths
The T9110 is a specific communication interface for the Trusted platform. Network configuration errors are the #1 cause of “module not working” calls. You must verify this module matches your network architecture before ordering.
- Firmware/Hardware Revisions: Check your Trusted Toolset™ configuration. The T9110 firmware must be compatible with your Trusted controller version. Mismatched firmware can cause communication timeouts.
- Required Components: Verify your Ethernet cable type. The T9110 requires shielded Cat5e/Cat6 cable with proper grounding to prevent EMI-induced communication errors. Unshielded cables in industrial environments will cause intermittent faults.
- Replacement & Alternatives: The T9111 is an enhanced version supporting additional protocols. If your system requires Profibus DP or OPC UA, verify the T9111 is compatible with your controller before upgrading.
- Get Expert Help: Send us your Trusted Toolset project file or a screenshot of your communication configuration. We will confirm the is compatible or recommend the correct upgrade path.


