Overview
The Yokogawa F3XD32-3F, also identified by the base model F3XD32, is a 32-point DC input module for the Yokogawa FA-M3 programmable logic controller (PLC) system. It receives 24 VDC digital signals from field devices and supports sink and source input configurations. The module provides eight input points per common, individual input-point interrupt specification, and a 40-pin external connector.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | F3XD32-3F |
| Brand | Yokogawa |
| Product Series | FA-M3 |
| Module Type | DC Digital Input Module |
| Weight | Approx. 120 g |
| Power Consumption | 75 mA current consumption |
| Rated Input Voltage | 24 VDC |
| Rated Input Current | 4.1 mA per point at 24 VDC |
| Number of Inputs | 32 points |
| Input Type | DC voltage, sink/source |
| Points per Common | 8 points per common |
| Maximum Simultaneous ON Ratio | 100% |
| Interrupt Function | Individually configurable for each input point |
| External Connection | One 40-pin connector |
Digital Input Characteristics and Signal Handling
The F3XD32-3F accepts discrete DC signals through 32 input channels. Its sink/source compatibility supports different field wiring arrangements, subject to the applicable PLC wiring diagram.
The module groups inputs into four commons, with eight input points per common. The specified maximum simultaneous ON ratio is 100%, allowing all input points to be ON simultaneously within the module’s rated operating conditions.
The interrupt function can be specified for individual input points. Input response-time settings and electrical thresholds should be verified against the manufacturer’s technical manual before configuring time-critical signal processing.
Frequently Asked Questions (FAQ)
Q: How many digital input channels does the F3XD32-3F provide?
A: The module provides 32 DC input points, arranged in groups of eight points per common.
Q: What input voltage does the F3XD32-3F support?
A: The specified rated input voltage is 24 VDC, with a rated input current of 4.1 mA per point.
Q: What external connection does this module use?
A: The module uses one 40-pin connector. Confirm the connector pin assignment and field wiring configuration in the manufacturer’s documentation before installation.
Field Installation Guidelines
- Verify that the PLC base unit and mounting configuration support the F3XD32-3F.
- Confirm the 24 VDC field supply polarity and sink/source wiring arrangement against the manufacturer’s wiring diagram.
- Check the common-terminal grouping before connecting field devices.
- Route DC input wiring separately from high-voltage power cables and high-noise switching circuits where practical.
- Apply appropriate grounding and shielding practices to reduce electrical interference.
- Verify connector orientation, pin assignments, and terminal security before energizing the system.
- Confirm input response settings and interrupt assignments against the application requirements.
- Do not assume hot-swapping support or specific operating-temperature limits without consulting the official hardware manual.
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