ICS T8151B Communication Interface

The T8151B Trusted® Communications Interface (CI) is an intelligent module that provides a range of communication services for the Trusted Controller, minimising communication loading of the Triple Modular Redundant (TMR) Processor. A user-configurable module, the CI can support multiple communication media. Up to four Communications Interfaces (CIs) can be supported by a Trusted System.

 

 

 

Manufacture	ROCKWELL ICS TRIPLEX
Model	T8151B
Part Number	T8151B
Description	Trusted Communication Interface
Origin	USA / Mexico
Dimension	40*30*8cm
Weight	0.55kg

 

• Trusted Operating System.

• Dual Ethernet and four serial ports.

• Support for a wide range of communication protocols.

• Secure, dependable communications via high performance communications links.

• Modbus Slave.

• Optional Modbus Master (with T812X Trusted Processor Interface Adapter).

• Optional Sequence Of Events (SOE) Over Modbus.

• Front Panel serial diagnostic port, fault and status indicators.

 

 

The Trusted CI has part number T8151B. T8151 is an earlier part number for the same module. Later modules have 100BaseT Ethernet but not 10Base2, as below, have a faster processor, a single printed circuit board (PCB) and also keep a backup system event log.

 

Module revision E	Ethernet	Serial Port	Diagnostic Port
8151 up to rev H 8151B up to rev B	Dual 10Base2/ 10BaseT	4 isolated ports: 2 x RS232/422/485 2 x RS422/485 On daughter board	1 isolated RS232 port
8151B rev C and above	Dual 10BaseT/ 100BaseT	4 isolated ports: 2 x RS232/422/485 2 x RS422/485 On main board	1 isolated RS232 port

 

The CI can be installed in any Input / Output (I/O) slot of a controller or expander chassis, however, peer to peer communications is only supported from the processor chassis.

When installed in the chassis, the CI connects to external systems via either a CI Adapter T8153 or a TC-305-01 Communications Cable with flying leads.

 

To install the module:

1. Ensure that the field cable assembly is installed and correctly located.

2. Release the ejector tabs on the module using the release key. Ensure that the ejector tabs are fully open.

3. Holding the ejectors, carefully insert the module into the intended slot.

4. Push the module fully home by pressing on the top and bottom of the module fascia.

5. Close the module ejectors, ensuring that they click into their locked position.

 

The module should mount into the chassis with a minimum of resistance. If the module does not mount easily, do not force it. Remove the module and check it for bent or damaged pins. If the pins have not been damaged, try reinstalling the module.