YOKOGAWA NFAI135-S00 Analog Input Module
Configured for high-density current and voltage signal acquisition in Yokogawa DCS platforms, the Yokogawa NFAI135-S00 ( NFAI135 Analog Input Module) provides direct physical/electrical execution. It serves as the primary NFAI135 Analog Input Module utilized to execute 16-channel analog signal processing across Yokogawa control network platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | NFAI135-S00 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | Standard CENTUM / STARDOM Module Weight |
| Dimensions | Standard Yokogawa I/O Module Footprint |
| Operating Temp | -10 deg C to +60 deg C |
| Power Consumption | 5 VDC backplane bus powered |
| Input Channels | 16 channels (non-isolated between channels) |
| Signal Input Ranges | 4-20 mA DC, 1-5 V DC |
| Device Compatibility | 2-wire and 4-wire transmitters |
DCS Signal Isolation & Field Loop Protocol Features
The NFAI135-S00 module incorporates internal galvanic isolation between field input channels and the backplane power domain, preventing field-side voltage surges from interfering with system logic processing. Designed to interface with 2-wire and 4-wire transmitters, the 16-channel card handles standard 4-20 mA HART loop protocol telemetry and 1-5 V DC voltage signals with high linearity control. Integrated A/D conversion logic processes analog measurement data, maintaining signal fidelity across redundant CPU node backplanes and Foundation Fieldbus instrument gateway setups.
Frequently Asked Questions
Q: Does the NFAI135-S00 support redundant I/O module configurations?
A: Yes, the NFAI135-S00 is designed to operate in dual-redundant I/O module slots to ensure uninterrupted analog signal scanning across process control loops.
Q: Are individual channels on the NFAI135-S00 isolated from each other?
A: No, the module features a non-isolated channel architecture where channels share a common ground, though the input bus is isolated from the system power domain.
Field Installation Guidelines
- Disconnect all external 24 VDC field transmitter supply lines before inserting or removing the NFAI135-S00 from the base chassis.
- Align the module edge connector with the cabinet card slot rails and press firmly until the mechanical retaining latches fully click into place.
- Terminate signal cables using shielded twisted-pair conductors, connecting cable shield drain wires directly to the main cabinet low-impedance ground bar.
- Ensure signal input wiring for 4-20 mA current loops and 1-5 V DC voltage loops matches the designated channel wiring pinouts to prevent measurement errors.
YOKOGAWA NFAI135-S00 Analog Input Module
YOKOGAWA NFAI135-S00 Analog Input Module
Configured for high-density current and voltage signal acquisition in Yokogawa DCS platforms, the Yokogawa NFAI135-S00 ( NFAI135 Analog Input Module) provides direct physical/electrical execution. It serves as the primary NFAI135 Analog Input Module utilized to execute 16-channel analog signal processing across Yokogawa control network platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | NFAI135-S00 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | Standard CENTUM / STARDOM Module Weight |
| Dimensions | Standard Yokogawa I/O Module Footprint |
| Operating Temp | -10 deg C to +60 deg C |
| Power Consumption | 5 VDC backplane bus powered |
| Input Channels | 16 channels (non-isolated between channels) |
| Signal Input Ranges | 4-20 mA DC, 1-5 V DC |
| Device Compatibility | 2-wire and 4-wire transmitters |
DCS Signal Isolation & Field Loop Protocol Features
The NFAI135-S00 module incorporates internal galvanic isolation between field input channels and the backplane power domain, preventing field-side voltage surges from interfering with system logic processing. Designed to interface with 2-wire and 4-wire transmitters, the 16-channel card handles standard 4-20 mA HART loop protocol telemetry and 1-5 V DC voltage signals with high linearity control. Integrated A/D conversion logic processes analog measurement data, maintaining signal fidelity across redundant CPU node backplanes and Foundation Fieldbus instrument gateway setups.
Frequently Asked Questions
Q: Does the NFAI135-S00 support redundant I/O module configurations?
A: Yes, the NFAI135-S00 is designed to operate in dual-redundant I/O module slots to ensure uninterrupted analog signal scanning across process control loops.
Q: Are individual channels on the NFAI135-S00 isolated from each other?
A: No, the module features a non-isolated channel architecture where channels share a common ground, though the input bus is isolated from the system power domain.
Field Installation Guidelines
- Disconnect all external 24 VDC field transmitter supply lines before inserting or removing the NFAI135-S00 from the base chassis.
- Align the module edge connector with the cabinet card slot rails and press firmly until the mechanical retaining latches fully click into place.
- Terminate signal cables using shielded twisted-pair conductors, connecting cable shield drain wires directly to the main cabinet low-impedance ground bar.
- Ensure signal input wiring for 4-20 mA current loops and 1-5 V DC voltage loops matches the designated channel wiring pinouts to prevent measurement errors.
