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YOKOGAWA AGP813-S10 High-Speed Protection Module

The YOKOGAWA AGP813-S10, also cataloged as the AGP813 Turbomachinery I/O Module, operates as a dedicated hardware component for motor starter protection and high-speed electrical transient monitoring within CENTUM VP / CS 3000 systems. The device processes direct physical sensor signals, including frequency pulses and voltage variations, to execute protective interlocks on sub-millisecond cycles. The hardware manages discrete safety functions and Sequence of Events (SOE) tracking, routing digital logic signals to the control processors through completely isolated backplane data paths.

Suffix Breakdown & Model Matrix

Code Component Type Technical Assignment
AGP813 / AGS813 Base Model High-Speed Protection Module (Isolated)
-S Suffix Standard Type hardware architecture
1 Suffix Fixed factory identifier (Always 1)
0 Suffix Basic Type hardware configuration

Hardware Specifications

Parameter Specification
Model AGP813-S10
Brand Yokogawa
Origin Japan
Weight 0.5 to 1.0 kg
Dimensions 100 x 40 x 110 mm
Operating Temp -20 to +60 deg C
Power Consumption 12 to 15 W
Power Supply 24 VDC nominal
Voltage Inputs 4 high-speed channels, 6 basic cycle channels (galvanically isolated)
Pulse Inputs 4 basic cycle channels (galvanically isolated)
Magnetic Pickup Range 0.5 to 150 Vpp (Frequency coverage: 50 Hz to 25 kHz)
Active Pickup Input Types TYPE1 and TYPE2 compliance (Frequency coverage: 0.04 Hz to 2 kHz)
Digital Inputs (SOE) 4 high-speed channels, 8 basic cycle channels (galvanically isolated)
Network Integration Dual V-net/IP path conversion interface (100 Mbps Ethernet / 115.2 kbps serial)
System Latency Less than 1 ms deterministic execution window
Conformal Coating ISA G3 class compliance

Turbomachinery Protection and High-Speed Signal Conditioning

The module utilizes independent hardware isolation boundaries on all high-speed discrete and analog pickup lines to insulate internal system processors from field-side voltage transients. The input conditioning logic evaluates magnetic pickup signals spanning 0.5 to 150 Vpp, translating shaft frequencies into high-precision velocity curves for turbomachinery overspeed algorithms. The system processes the 4 high-speed SOE digital lines using an independent clock matrix, capturing exact millisecond timestamps when breaker trips or interlock loops change state.

Frequently Asked Questions

Q: What physical parameters distinguish the Active Pickup TYPE1 and TYPE2 inputs from the Magnetic Pickup interfaces?

A: The magnetic pickup interface handles passive, self-generating sinusoidal signals spanning 0.5 to 150 Vpp down to a 50 Hz lower boundary. Active pickup interfaces (TYPE1 and TYPE2) track powered, digital pulse signals down to 0.04 Hz, allowing the module to monitor low-speed machine synchronization and positioning thresholds.

Q: How does the module maintain a sub-millisecond latency profile when handling dual V-net/IP protocol conversions?

A: The internal communication processor dedicates independent memory planes to the network data stack. The module maps the high-speed input signals directly into cyclical V-net/IP packets, enabling a data transfer latency of less than 1 ms to the main Field Control Unit (FCU) without scheduling queues.

Q: Can the AGP813-S10 execute standalone machinery trips if communication with the primary FCU is broken?

A: Yes. The high-speed protection module runs localized hardware logic functions on its isolated processing plane. It trips configured protection circuits according to the hardware parameters loaded into its local register memory, ensuring that motor starter isolation happens even during a V-net/IP data bus dropout.

Field Installation Guidelines

  • Module Insertion Alignment: Orient the unit vertically within the cabinet carrier rack slot. Push the hardware forward until the rear blade blocks completely mate with the backplane distribution grid, then latch the faceplate assembly.
  • Shield Ground Separation: Connect all magnetic pickup and high-speed pulse shielded cables directly to the facility instrument ground rail. Do not combine these shields with active neutral or raw power grounds to prevent signal cross-talk.
  • Proximity Route Restrictions: Lay the sensor input cables in separate low-voltage conduits isolated from the primary motor starter power connections. Maintain a minimum spatial gap of 300 mm to suppress high-induction electromagnetic noise.
  • Convective Thermal Clearance: Ensure the upper and lower ventilation pathways of the module housing remain entirely unobstructed. Check that the cabinet airflow keeps the surrounding ambient air below the 60 deg C continuous operational limit.

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