ABB TU921S DCS I/O module (3KDE175111L9210)

TU921S Red. Termination Unit (TU16R-Ex).

The remote S900 I/O system can be installed in non-hazardous areas or directly in Zone 1 or Zone 2 hazardous area depending on the selected system variant. S900 I/O communicates with the control system level using PROFIBUS DP standard. The I/O system can be installed directly in the field, therefore the costs for mashalling and wiring are reduced.The system is sturdy, error-tolerant and easy to service.Integrated disconnection mechanisms allow replacement during operation, meaning that there is no need to interrupt the primary voltage in order to exchange the power supply units.S900 I/O type S. For installation in hazardous area Zone 1. For connecting intrinsically safe field devices installed in Zone 2 or Zone 1 or Zone 0.TU921S Redundant Termination Unit (TU16R-Ex), for 16 I/O-modules, redundant communication and power (Delivery includes CD910).- ATEX Certification for installation in Zone 1- Redundancy (Power and Communication)- Hot Configuration in Run- Hot Swap functionality- Extended Diagnostic- Excellent configuration and diagnostics via FDT/DTM- G3-coating for all components- Simplified maintenance with auto-diagnostics- Termination unit for up to 16 I/O modules- Prepared for redundant system power and communication- Up to 4 terminals per channel- Preselection of fieldbus address- Prepared for certified field housing- Mounting in safe area, Zone 1 or Zone 2 possible

Specifications:

• Frame Size: Spare_Parts
• Product Net Weight: 3.79 kg
• Product Net Height: 274 mm
• Product Net Width: 498 mm
• Product Net Depth / Length: 147 mm