Technical Specifications Overview
The table below details the core technical parameters of this DC input module.
| Parameter | Specification |
|---|---|
| Model Number | FTU220A |
| Product Type | DC Input Module |
| Compatible Series | Fuji MICREX-SX Series |
| Number of Inputs | 32 points (isolated) |
| Input Type | Sink/Source (configurable) |
| Rated Input Voltage | 24 VDC |
| Input Voltage Range | 19.2 VDC to 28.8 VDC |
| ON Voltage Threshold | ≥ 15 VDC |
| OFF Voltage Threshold | ≤ 5 VDC |
| Nominal Input Current | 5 mA per point (at 24 VDC) |
| ON Response Time | 1.0 ms (typical) |
| OFF Response Time | 1.5 ms (typical) |
| Internal Power Draw | 5 VDC, 120 mA |
| Dimensions (W x H x D) | 60 mm x 110 mm x 75 mm |
| Weight | 0.22 kg |
| Terminal Type | 40-point connector (two rows of 20 pins) |
| Indicators | 32 green LEDs (one per input channel) |
| Isolation Method | Photocoupler isolation (field to logic) |
| Cable Connection | Dedicated flat cable with connector |
High-Density Input Performance
The FTU220A DC input module offers 32 high-density input points for monitoring a large number of field sensors and switches. This DC input module accepts a standard 24 VDC signal range from 19.2 VDC to 28.8 VDC, ensuring broad compatibility with industrial control systems. Each input channel draws only 5 mA, placing a minimal burden on the external power supply.
The module features a 1.0 ms ON response time and a 1.5 ms OFF response time, which supports most high-speed counting and positioning applications. Users can configure the module for either sink or source wiring, adapting easily to different sensor types without additional hardware. The photocoupler isolation provides robust protection against electrical noise and voltage transients common on factory floors.
Physical Design and Installation Features
This DC input module occupies a single slot in the MICREX-SX base rack and measures 60 mm in width. The module weighs 0.22 kg, making handling straightforward during installation and replacement. A 40-point connector on the front panel uses a dedicated flat cable with a locking mechanism, ensuring secure and reliable field wiring connections.
Thirty-two green LEDs line the front face, with each LED indicating the real-time status of its corresponding input channel. Consequently, operators can verify sensor operation and troubleshoot wiring issues instantly without requiring a programming console. The high-density design makes this DC input module ideal for applications with limited panel space.
Power Consumption and Environmental Tolerances
The FTU220A draws only 120 mA from the 5 VDC backplane, keeping heat dissipation to a minimum. This DC input module operates reliably across an ambient temperature range of 0°C to 55°C. It also withstands humidity from 10% to 90% (non-condensing) and tolerates vibration up to 5G at 10-150 Hz.
Details
| Weight | 0.85 kg |
|---|---|
| Dimensions | 140 × 90 × 110 mm |
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