Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AGP813-S10 |
| Brand | Yokogawa |
| Module Type | High-Speed Protection Module |
| Weight | Approx. 0.28 kg |
| Dimensions | Approx. 144 x 100 x 30 mm |
| Power Consumption | Max. 900 mA at 5 VDC |
| Analog Voltage Inputs | High-speed cycle: 4 isolated channels; basic cycle: 6 isolated channels |
| Analog Input Range | 1 to 5 VDC |
| Magnetic Pickup Input | 0.5 to 150 Vpp; 50 Hz to 25 kHz |
| Active Pickup Input | Type 1: 2.0 to 24 V high, 0 to 0.8 V low; Type 2: 2.4 to 24 V high, 0 to 1.2 V low |
| Active Pickup Frequency | 0.04 Hz to 2 kHz |
| Digital Inputs | High-speed cycle: 4 isolated channels; basic cycle: 8 isolated channels |
| Digital Input Rating | 24 VDC, sink type |
| Digital Outputs | High-speed cycle: 4 isolated channels; basic cycle: 8 isolated channels |
| Digital Output Type | Current sinking, max. 100 mA per channel at 30 VDC |
| High-Speed Scan Cycle | 5 ms |
| Basic Scan Cycle | 10 ms |
| Withstand Voltage | 500 VAC for 1 minute, as specified between the system and field circuits and between different I/O types |
| External Connection | Dedicated cables: AKB337-M005, AKB337-M007, or AKB337-M010 |
High-Speed Signal Processing and Electrical Isolation
The AGP813 uses separate processing cycles for high-speed and basic signals. Its high-speed inputs support voltage monitoring and pulse-frequency measurement. Magnetic pickup inputs accept signals from 50 Hz to 25 kHz, while active pickup inputs support frequencies from 0.04 Hz to 2 kHz.
Channel isolation separates specified field signal circuits from the system and other I/O types. The stated withstand voltage is 500 VAC for 1 minute. This specification describes an electrical withstand test and does not establish continuous operating voltage or safety certification.
The digital outputs use a current-sinking configuration, with a maximum stated load of 100 mA per channel at 30 VDC. External circuit design must account for the output polarity, load current, and connected device requirements.
Frequently Asked Questions
Q: What is the difference between the high-speed and basic processing cycles?
A: The specified high-speed cycle is 5 ms, while the basic cycle is 10 ms. The module provides different channel allocations for each cycle. The exact assignment of individual signals should be confirmed against the applicable Yokogawa hardware manual.
Q: Which speed sensor signals can the AGP813 accept?
A: Magnetic pickup inputs support 0.5 to 150 Vpp and 50 Hz to 25 kHz. Active pickup inputs support Type 1 or Type 2 voltage thresholds and frequencies from 0.04 Hz to 2 kHz.
Q: Can the module drive external digital loads directly?
A: The digital outputs are current-sinking outputs rated at a maximum of 100 mA per channel at 30 VDC. Verify load polarity, current demand, and interface compatibility before connecting field devices.
Field Installation Guidelines
- Verify the complete module designation, including the -S10 suffix, against the system bill of materials and the applicable hardware documentation.
- Confirm the supported mounting position, base unit, slot assignment, and system compatibility before installation.
- Use the specified AKB337 cable variant required by the installation. Confirm cable length and connector compatibility before wiring.
- Route pulse and analog signal cables separately from high-current power conductors and switching circuits where practical.
- Follow the manufacturer’s grounding and shield termination instructions. Avoid creating unintended ground loops through cable shields.
- Check magnetic pickup and active pickup signal amplitudes and frequency ranges before commissioning.
- Verify the digital input wiring and current-sinking output interface against the connected field circuit specifications.
- Do not exceed the stated digital output current limits. Confirm external load requirements before energizing the circuit.
- Treat the 500 VAC withstand rating as a test specification, not as authorization to apply that voltage during normal operation.
- Confirm power isolation and the approved installation procedure before inserting, removing, or replacing the module. Hot-swap capability is not established by the supplied specifications
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