وصف

Yokogawa AGP813 High-Speed Protection Module

The Yokogawa AGP813, also cataloged as the AGP813 High-Speed Protection Module, operates as a dedicated hardware component for turbomachinery speed and pulse monitoring within the CENTUM VP Distributed Control System. It executes autonomous protection logic and captures high-resolution sequence-of-events independently from the main Field Control Station.

Hardware Specifications

Parameter	Specification
ModelBrand	Yokogawa AGP813
Origin	Japan
Weight	0.28 kg (Module only), 2.0 kg (with terminal block system)
Dimensions	Standard CENTUM VP module footprint
OperatingTemp	0 to 55 degC
PowerConsumption	Max 900 mA @ 5 VDC
Module Type	High-Speed Protection Module (Isolated)
System Compatibility	CENTUM VP DCS
Built-in Logic	Up to 100 user-definable application logic blocks
Scan / Control Period	High-Speed Cycle: 5 ms (Fast Scan Mode: 1.5 ms), Basic Cycle: 10 ms
Sequence of Events	1 ms timestamp resolution, 256 events/2 sec
Voltage Inputs	1–5 VDC, 4 channels High-Speed, 6 channels Basic; ±4 mV accuracy; 1 MΩ powered / 100 kΩ unpowered
Magnetic Pickup / Pulse Inputs	0.5–150 Vpp, 4 channels; 50 Hz–25 kHz frequency; ±1 Hz (50–2 kHz), ±0.05% (2–25 kHz)
Digital Inputs	24 VDC sink, 4 channels High-Speed, 8 channels Basic; ON: 18–26.4 VDC, OFF ≤5 VDC; 4.1 mA ±20%
Digital Outputs	Current sinking, 4 channels High-Speed, 8 channels Basic; Max load 100 mA/channel @ 30 VDC; ON voltage ≤0.3 VDC; OFF leak ≤0.1 mA
Redundancy	Single or dual-redundant configuration
Withstanding Voltage	500 VAC / 1 min between system/field and I/O groups

Process Control Technical Features

• Supports channel-to-channel isolation between analog and digital signals to prevent cross-talk during high-speed acquisition.
• Capable of 4–20 mA HART loop interfacing for field transmitters and sensors.
• Cold junction compensation (CJC) applied to temperature-related signal inputs to maintain ±0.1 degC accuracy in turbine monitoring.
• Compatible with FOUNDATION Fieldbus and Profibus PA connectivity for integrated DCS network configuration.

Frequently Asked Questions

Q: Can the AGP813 module operate in a hot-swap configuration?
A: The module is not designed for hot-swap replacement; de-energizing the FCS slot is required prior to installation or removal.

Q: What is the switching delay when operating in dual-redundant mode?
A: Failover between redundant AGP813 modules occurs within a single high-speed cycle (5 ms nominal).

Q: Is firmware upgrade supported on-field?
A: Firmware can only be updated using a dedicated CENTUM VP engineering workstation and the module removed from high-speed control execution during the process.

Field Installation Guidelines

• Mount the AGP813 module on standard CENTUM VP backplane; ensure proper insertion alignment to avoid bent pins.
• Connect all terminal block cables (AEGP1D, AKB337-M005/M007/M010) according to signal type; maintain separation between high-voltage and low-voltage wiring.
• Ground shielding for MPU and analog lines is recommended to prevent noise interference.
• Avoid tight bending radii (<50 mm) for all field wiring.
• Verify redundancy configuration and LED status indicators before energizing the system.
• Ensure ventilation and ambient temperature remain within 0–55 degC during continuous operation.

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