Product details
Product Overview
NFDV161-P51 is a digital input module from Yokogawa. It has 64 channels. Each channel uses 24V DC. The channels are isolated for safety. It supports status and push button inputs.
Key Features
- 64 Digital Inputs: 24V DC, isolated channels.
- Two Input Modes: Status and push button.
- Fast Response: 8 ms for status input.
- Edge Counting: Push button inputs with edge count.
- Common: Shared per 16 channels (plus or minus).
- Connector: 50-pin MIL connector (2 sets).
Technical Specifications
- Brand: Yokogawa
- Model: NFDV161-P51
- Type: Digital Input Module
- Channels: 64 inputs
- Voltage: 24V DC
- Isolation: Between channels and system
- Response Time: 8 ms max (status input)
- ON Detection: 20 ms min (push button)
- Max Frequency: 25 Hz (push button)
- Current Consumption: 550 mA (5V DC)
- Weight: 0.3 kg
Input Modes
- Status Input: Response time ≤8 ms.
- Push Button Input: ON detection ≥20 ms.
- Edge Counting: Counts transitions on push button inputs.
- Common Wiring: Shared per 16 channels (plus or minus).
Mounting & Installation
- Insert the module into a Yokogawa base.
- Secure it with the locking mechanism.
- Connect field wires to the MIL connectors.
- Set the common type (plus or minus) per group.
Debugging & Maintenance
- Check LED indicators for channel status.
- Use the edge count function for diagnostics.
- Monitor input signals with a multimeter.
- Replace the module if it fails.
Compatibility
- Works with Yokogawa CENTUM VP and CS 3000.
- Compatible with ProSafe-RS safety systems.
- Use with standard Yokogawa bases.
Certifications
- CE marked for European standards.
- RoHS compliant.
- Marine approvals (LR, ABS, DNV-GL).
- ISO 9001 manufacturing.
Package Contents
- NFDV161-P51 module
- Quick start guide
- Warranty card
Warranty & Shipping
- Warranty: 12 months from purchase date.
- Shipping: Dispatched within 12-24 hours.
- Carriers: FedEx, UPS, DHL.
Expert Review
“The NFDV161-P51 is a high-density digital input module. Its 64 channels save space in control cabinets. The 8 ms response time is fast for most applications. The dual-mode inputs add flexibility. It is a reliable choice for large-scale automation.”
Manager’s Insight
“For plant managers, this module reduces wiring and cost. The 64 channels per module lower the number of units needed. The common per 16 channels simplifies field wiring. The 25 Hz frequency suits push button monitoring. It is a practical solution for digital input needs.”
Applications & Suitable Equipment
- Process Control: Monitoring switches, sensors.
- Factory Automation: Conveyors, packaging machines.
- Building Automation: Fire alarms, access control.
- Equipment: Yokogawa CENTUM VP, CS 3000, ProSafe-RS.
FAQ – Frequently Asked Questions
- What voltage does this module use?
24V DC.
- How many channels does it have?
64 digital inputs.
- Are the channels isolated?
Yes, isolated from system and each other.
- What is the response time?
8 ms for status input.
- Can I use it for push buttons?
Yes, with 20 ms ON detection.
- What is the max frequency?
25 Hz for push button input.
- How many connectors does it have?
Two 50-pin MIL connectors.
- What is the common wiring?
Shared per 16 channels (plus or minus).
Selection Guide
Choose NFDV161-P51 for high-density digital input needs. It suits systems with many switches and sensors. For fewer channels, consider NFDV161-P50. This module is ideal for new or expanding automation projects.
Comparison with Similar Models
- NFDV161-P50: 32 inputs, no push button mode.
- NFDV161-P52: 64 inputs, 5V TTL level.
- NFDV161-P53: 64 inputs, with interrupt function.
- NFDV161-P54: 128 inputs, higher density.
- NFDV161-P55: 64 inputs, with diagnostic LEDs.
Contact Information:
For inquiries, please contact us at sales@powergearx.com or +86 18030005825.
Copyright © 2026 Powergear X Automation Limited. All rights reserved.
Original Source: https://www.powergearx.com/
pports pressure clamp, MIL cable, or dedicated signal cable connections.
Key Features
- 16 isolated outputs – 24 V DC, current source
- High current capacity: 0.2 A per channel (3.2 A total)
- Fast response: 30 ms maximum
- Robust isolation: 2 kV AC withstand voltage
- Wide temperature range: -20 to 70 °C (with G3 option)
- False insertion prevention: /PRP option pin
Technical Specifications
- Brand: Yokogawa
- Model: SDV541-S63/PRP
- Series: SDV541
- Type: Digital Output Module, 16-channel, module isolation
- Output voltage: 24 V DC
- Voltage drop: ≤1 V at rated load
- External supply: 24 V DC +20%/-10%, 3.4 A minimum
- Maximum load current: 0.2 A per channel (3.2 A total)
- Minimum load current: 35 mA
- Load resistance: 120…685 Ω
- Output format: Current source
- Leakage current: ≤1.6 mA (OFF state)
- Response time: ≤30 ms
- Withstand voltage: 2 kV AC (output to system) for 1 minute
- Current consumption: ≤300 mA (5 V DC), ≤150 mA (24 V DC)
- Weight: 0.29 kg (clamp/MIL), 0.31 kg (with adapter)
- Temperature range: -20…70 °C (with G3 option)
- Environmental tolerance: ISA Standard G3 (corrosion resistance)
- Isolation: Module isolation between channels
- Connection types: Pressure clamp, MIL cable, or dedicated cable (AKB331, AKB651)
Installation & Mounting
- Mounting: Rack or panel (standard Yokogawa system)
- Wiring: Use pressure clamp, MIL, or AKB-series cables
- Orientation: Vertical or horizontal (no restriction)
- Maintenance: No regular calibration needed
- False insertion prevention: /PRP pin ensures correct orientation
Commissioning & Maintenance
- Setup: Configure via Yokogawa DCS or PLC software
- Diagnostics: LED indicators per channel (if available)
- Maintenance: Visual inspection and terminal tightening
- Spare parts: Order replacement cables or terminal blocks
Manager’s Insight
This Yokogawa output module offers excellent isolation and current handling. The /PRP option prevents costly wiring errors. The G3 option protects against corrosive environments. We recommend it for critical process control applications. Its 12-month warranty and fast shipping make it a safe choice.
Applications
- Process control: valves, actuators, heaters
- Power plants: relay drives, solenoid controls
- Water treatment: pump starters, agitators
- Chemical plants: corrosive environments (G3 option)
- Factory automation: conveyor systems, packaging lines
Comparison with Similar Models
- SDV541-S63/PRP – 16 outputs, isolated, G3, /PRP
- SDV531 – 16 outputs, non-isolated, lower cost
- SDV541-S53 – same but without /PRP pin
- SDV541-S63 – without G3 option
Selection Guide
- Choose SDV541-S63/PRP if: you need isolated outputs with false-insertion protection.
- Consider this module for: systems requiring high surge immunity.
- Avoid if: you need low-side switching (this is a source type).
- Best paired with: Yokogawa Centum VP or ProSafe-RS.
- Warranty: 12 months from invoice date.
Shipping & Delivery
- Dispatch: 12-24 hours after order confirmation.
- Carriers: FedEx, UPS, DHL (tracking provided).
- Packaging: Anti-static bag, foam-lined box.
Frequently Asked Questions (FAQ)
- Q: What is the /PRP option?
- A: It adds a mechanical prevention pin to avoid false insertion into the rack.
- Q: Can I use this module with non-Yokogawa systems?
- A: Yes, if the system supports 24 V DC sourcing outputs.
- Q: What cable types are compatible?
- A: Pressure clamp, MIL cable, or AKB331/AKB651 dedicated cables.
- Q: Does it support hot swapping?
- A: Check your rack specification; most Yokogawa racks support it.
- Q: How do I clean the module in a corrosive environment?
- A: Use dry cloth; the G3 option provides extra protection.
Contact Information: For inquiries, email sales@powergearx.com or call +86 18030005825 (WhatsApp).
Copyright © 2026 Powergear X Automation Limited. All rights reserved.
Original Source: https://www.powergearx.com/
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