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UR1AG3-050N-020101-L/S

The Yokogawa UR1AG3-050N-020101-L/S is a Single-channel Isolated Pulse Input Module designed for use with the ProSafe-RS safety instrumented system (SIS) or the CENTUM VP integrated production control system.

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Key Parameters & Specifications
Category Specification
Model Number UR1AG3-050N-020101-L/S
Product Line ProSafe-RS (Also compatible with CENTUM VP)
Function Single-channel Isolated Pulse Input
Input Signal Pulse train (Frequency input)
Number of Channels 1
Isolation Field-to-system isolation (Channel to backplane)
Input Frequency Range 0 to 5,000 Hz (0 to 5 kHz)
Count Value 32-bit binary counter (0 to 4,294,967,295)
Power Supply Supplied from the node baseplate (24 V DC)
Accuracy ±0.1% of reading or ±1 pulse, whichever is greater (at 25°C/77°F and rated frequency)
License Type L/S - Limited function with Standard capacity license
Safety Certification TÜV Rheinland certified per IEC 61508 for use in SIL 3 applications
Operating Temperature -40 °C to +70 °C (-40 °F to +158 °F)
Mounting Plug-in module for N-Node or F-Node baseplates
Key Features & Functions
High Safety Integrity: Certified for use in Safety Instrumented Functions (SIFs) up to SIL 3 according to international standards.

Signal Conditioning: Provides filtering and isolation to ensure accurate and reliable reading of pulse signals, even in electrically noisy industrial environments.

Flexible Application: Primarily used for flow computation (e.g., from a turbine meter) or speed monitoring in critical safety and control loops.

Built-in Diagnostics: Continuously monitors for field circuit faults such as wire breakage and short circuits, enhancing system availability and safety.

Hot Swap Support: Allows for module replacement while the node is powered on (under specific conditions), minimizing downtime during maintenance.