Yokogawa NFAP135-S50 Pulse Input Module
Configured for high-speed rotation speed measurement and pulse signal processing in FCN autonomous controller platforms, the Yokogawa NFAP135-S50 ( NFAP135 Pulse Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | NFAP135-S50 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | Standard STARDOM Module Weight |
| Dimensions | Standard FCN I/O Module Footprint |
| Operating Temp | -10 deg C to +60 deg C |
| Power Consumption | 5 VDC internal bus powered |
| Input Channels | 8 Channels |
| Maximum Frequency | Up to 50 MHz |
| Signal Types Supported | Pulse, frequency, period, velocity, position |
DCS Signal Conditioning & Isolated Input Processing
The NFAP135-S50 incorporates high-speed optoelectronic channel-to-channel isolation networks designed to filter field noise and ground potential differences across all 8 input channels. Engineered to capture high-frequency pulse trains up to 50 MHz without pulse missing or timing jitter, the hardware supports direct integration alongside standard 4-20 mA HART loop protocol instruments and FOUNDATION Fieldbus field devices. Onboard signal conditioning logic stabilizes variable-amplitude pulse streams from speed sensors, enabling precise rotational telemetry acquisition across turbomachinery control loops.
Frequently Asked Questions
Q: Does the NFAP135-S50 support dual redundant CPU configurations within the FCN chassis?
A: Yes, the NFAP135-S50 interfaces directly with the FCN backplane bus, supporting redundant CPU module setups for high-reliability control execution.
Q: What is the maximum signal frequency capability of the input channels on the NFAP135-S50?
A: The module is rated to process pulse, frequency, and timing signals at frequencies up to 50 MHz across its 8 input pathways.
Field Installation Guidelines
- Ensure the FCN base unit backplane power supply is switched off prior to inserting or removing the NFAP135-S50 module from the slot.
- Align the module edge connector with the backplane guide rails and press firmly until the mechanical locking lever fully engages.
- Use shielded twisted-pair cabling for all pulse sensor input runs, bonding cable drain wires to the system cabinet earth ground bar.
- Separate pulse signal wiring conduits from high-voltage AC lines to prevent magnetic coupling and signal distortion on high-speed channels.
Yokogawa NFAP135-S50 Pulse Input Module
Yokogawa NFAP135-S50 Pulse Input Module
Configured for high-speed rotation speed measurement and pulse signal processing in FCN autonomous controller platforms, the Yokogawa NFAP135-S50 ( NFAP135 Pulse Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | NFAP135-S50 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | Standard STARDOM Module Weight |
| Dimensions | Standard FCN I/O Module Footprint |
| Operating Temp | -10 deg C to +60 deg C |
| Power Consumption | 5 VDC internal bus powered |
| Input Channels | 8 Channels |
| Maximum Frequency | Up to 50 MHz |
| Signal Types Supported | Pulse, frequency, period, velocity, position |
DCS Signal Conditioning & Isolated Input Processing
The NFAP135-S50 incorporates high-speed optoelectronic channel-to-channel isolation networks designed to filter field noise and ground potential differences across all 8 input channels. Engineered to capture high-frequency pulse trains up to 50 MHz without pulse missing or timing jitter, the hardware supports direct integration alongside standard 4-20 mA HART loop protocol instruments and FOUNDATION Fieldbus field devices. Onboard signal conditioning logic stabilizes variable-amplitude pulse streams from speed sensors, enabling precise rotational telemetry acquisition across turbomachinery control loops.
Frequently Asked Questions
Q: Does the NFAP135-S50 support dual redundant CPU configurations within the FCN chassis?
A: Yes, the NFAP135-S50 interfaces directly with the FCN backplane bus, supporting redundant CPU module setups for high-reliability control execution.
Q: What is the maximum signal frequency capability of the input channels on the NFAP135-S50?
A: The module is rated to process pulse, frequency, and timing signals at frequencies up to 50 MHz across its 8 input pathways.
Field Installation Guidelines
- Ensure the FCN base unit backplane power supply is switched off prior to inserting or removing the NFAP135-S50 module from the slot.
- Align the module edge connector with the backplane guide rails and press firmly until the mechanical locking lever fully engages.
- Use shielded twisted-pair cabling for all pulse sensor input runs, bonding cable drain wires to the system cabinet earth ground bar.
- Separate pulse signal wiring conduits from high-voltage AC lines to prevent magnetic coupling and signal distortion on high-speed channels.
