
Contents
10/11/18 Bedrock Secure OSA Remote User Manual - BRDOC020_001 i
Contents
Disclaimer.......................................................................... v
Bedrock Secure OSA Remote Overview ................................ 1
Introduction.............................................................................................................1
OSA Remote Offerings...........................................................................................1
OSA Remote Features.............................................................................................1
Bedrock Secure OSA Remote Architecture .........................................................4
Security .....................................................................................................................6
Environmental .........................................................................................................7
Software Requirements...........................................................................................7
Connectivity.............................................................................................................7
OSA Remote Ethernet Connections............................................................................7
OSA Remote I/O Connections to Field Devices .........................................................8
Terminal Blocks...................................................................................................8
Bedrock Universal Cable.....................................................................................8
Bedrock UTAs .....................................................................................................8
Serial Port Connections...............................................................................................8
CAN I/O Port Connections.........................................................................................9
OSA Remote Operation..................................................... 10
OSA Remote Power Input....................................................................................10
OSA Remote Controller .......................................................................................10
Customer-specific OPC UA Security Keys................................................................11
Secure OPC UA Configuration.........................................................................11
Secure Boot Software.................................................................................................12
MRAM and Data Persistence ...................................................................................12
IP Stack ......................................................................................................................12
Ethernet Communication .........................................................................................13
OPC UA .....................................................................................................................13
Analog and Discrete Input/Output.....................................................................13
Operating Modes .......................................................................................................13
Simplified Circuit Diagram.......................................................................................14
Analog Data Format .................................................................................................14
Analog Accuracy Specifications ................................................................................15
HART Revision 7.......................................................................................................15
Discrete Output Switches ..........................................................................................15
Electronic Fusing .......................................................................................................15
Discrete Outputs........................................................................................................15
Discrete Output Accuracy .........................................................................................16
Recommended Practices............................................................................................17
Frequency Measurement / Pulse Accumulation.......................................................17
NAMUR.....................................................................................................................17
0-10 V Voltage Input .................................................................................................18
Software Configurable Options.................................................................................18
Wiring the Module ....................................................................................................18