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FX-16NT-S3
The Mitsubishi FX-16NT-S3 interface unit acts as a critical communication bridge. Designed for FX programmable controllers, it connects to MELSECNET/MINI-S3 networks and functions as both a local station and a remote I/O unit.
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Technical specifications for FX-16NT-S3
| Manufacturer | Mitsubishi |
|---|---|
| Product Line | FX Series |
| Part Number | FX-16NT-S3 |
| Weight | 0.44 lbs (0.20 kg) |
| Product Name | Interface Unit |
| Power Source for Communication | 24V DC +30% -35%, 0.12A (from the stabilized power supply) |
| Power Source for Interface | 5V DC 80 mA (internal power supply form FX, FX2C) |
| Purpose | Connects the FX programmable controller (or FX PC) to the MELSECNET/MINI-S3 network as a local station, or as a remote I/O unit of an A2C CPU |
| Number of I/O Transmitted to the Network | 8 input points and 8 output points |
| Number of Occupied Stations | 2 stations |
| Maximum Number of Stations | 64 stations |
| Number of Occupied Input/Output Points | 16 input points and 8 output points of the FX PC (24 I/O points in total) |
| Maximum Distance for Station-to-Station Transmission | 50m for 0.2mm² to 0.5mm², 100m for 0.5mm² or larger |
| Cable System for Station-to-Station Transmission | Twisted Pair cable system |
| Applicable Shielded Cable | Shielded twisted-wire pair cable |
| Number of Pairs | 2 pairs or more |
| Conductor Resistance (20°C) | 88.0Ω/km or less |
| Capacitance (1 kHz) | 60 n•F/km or less |
| Characteristic Impedance (100 kHz) | 110±10Ω |
Mitsubishi's FX-16NT-S3 is an interface unit tailored for integration with FX series programmable controllers. This product offers connections to the MELSECNET/MINI-S3 network, operating as a local station or as a remote I/O unit for A2C CPUs. It requires a 24V DC supply, tolerating variations of +30% to -35%. The unit also provides internal power from an FX or FX2C at 5V DC and 80 mA.
On the network, this interface allows for the transmission of 8 input and 8 output points, totaling up to 24 points used from the FX PC functionalities. It supports 2 occupied stations, and 64 stations can be connected to the network. Station-to-station transmission is facilitated over twisted pair cable systems, with a maximum distance capability of 50m when utilizing cables sized between 0.2mm² to 0.5mm², extending to 100m with cables of 0.5mm² or larger.
Shielded twisted-wire pair cables are applicable for installation, featuring at least 2 pairs to ensure robust communication. The specifications for conductor resistance are 88.0Ω/km or lower at 20°C, while capacitance must not exceed 60 n•F/km at 1 kHz. The characteristic impedance is maintained at 110±10Ω at 100 kHz. These characteristics affirm the reliability and effectiveness of the FX-16NT-S3 interface unit in various operational environments.
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