IS420UCSBS1A

About the IS420UCSBS1A

• The IS420UCSBS1A is a Mark VIeS Safety Controller designed by General Electric.
• It is part of the Mark VIeS Control Safety System.

Applications and Compatibility

• Primarily used in the control and management systems of General Electric-compatible gas, steam, and wind turbine automated drive assemblies.
• More far-reaching functional applications than the previous Mark V Series (which only supported gas and steam turbines).
• Compatible with EX2100e and LS2100e control systems.
• Used for functional safety loops to achieve SIL 2 and SIL 3 capabilities (IEC 61508 certified hardware/software).

Mounting and Certifications

• Standard mounting location: Panel sheet mounting.
• Can be mounted in Class one, Zone two, Group IIC with a UL E207685 certification.
• Additional locations and certifications are detailed in the GEH-6725 Mark VIe and Mark VIeS Controls Equipment HazLoc manual (page 112).

Hardware Features and Specifications

• Similar to the UCSC controller and identical to the IS420UCSBS1ABB controller in fit, form, and function.
• Key advantages (shared with UCSB controllers):
  • No required jumper settings.
  • Flash memory that can be updated by the user.
  • No fan (for this specific variant, unlike some UCSB models).
  • Built-in power supply.
  • No battery.
  • Smaller panel footprint.
• Communicates with I/O modules through onboard Input-Output Networks (IONet).
• Processor: 600 MHz EP80579 Intel Processor.
• Operating System (OS): QNX Neutrino, a real-time, multitasking OS.
• Note on Revisions: Base-revised performance specifications and dimensions may have been altered due to three-fold product revisions (two functional, one artwork).

Setup and Configuration

• Before configuring, ensure:
  • Controller is properly added to the system with correct redundancy.
  • Control system network cabling and hardware are properly connected.
  • All system equipment is powered on successfully.

Supported Features (Basic Listed)

• Redundancy Support: Simplex, TMR (Triple Modular Redundant), and Dual IONet Redundancies.
• OPC UA Support.
• Backup/Restore Method.
• Shared IONet.
• Fieldbus Foundation.
• PCSA Master and Slave Modbus TCPs.

Documentation and Support

• All information available in GE manuals:
  • GEH-6855 Mark VIeS Functional Safety Systems Volume I System Guide.
  • GEH-6725 Mark VIe and Mark VIeS Controls Equipment HazLoc Guide.
  • GEH-6703 Toolbox ST User Guide for Mark Controls Platform User Guide.
• Supported features are detailed in intuitive chart form in the manuals.
• Two forms of the IS420UCSBS1A product are identified by their Ethernet port-containing side; one likely has a normal Mark VIeS Series assembly, while this specific IS420UCSBS1A has a special modular assembly.