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.
| 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 |
| 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 |
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.
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.
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