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Mitsubishi MELSEC FX3UCThe new MELSEC FX3UC CPU brings greater flexibility and more performance to applications which do not have space for traditional style PLC's. Like all other members of the FX family, each FX3UC PLC consists of a fully-integrated base unit that contains all the necessary PLC components, from the CPU to memory and the I/O controller.

The smallest base unit with 8 digital inputs and 8 transistor outputs takes up just 27 % of the space required for a comparable FX3U unit – and yet the FX3UC incorporates all the features of the FX3U.

The FX3UC base units all have a 24V DC power supply and are available in versions with 16, 32, 64 or 96 I/Os. They can be expanded up to a maximum configuration of 384 I/Os by adding expansion modules and networked I/O points.

Just like the FX3U, the FX3UC offers outstanding connectivity for all standard networks.

I/O terminal blocks with screw or spring terminals can be connected with standard ribbon cable connectors.

Are you looking for a control solution with power to spare? Then the FX3UC may be what you are looking for with:

  • an execution cycle period of just 0.065 ms per logical instruction
  • up to 40,768 data registers
  • up to 7,680 internal relay coils/flexs
  • 210 commands
  • memory for up to 64 k of PLC program steps

This makes the FX3UC one of the fastest and most powerful PLC systems in its class. In fact, it puts quite a few larger modular controller systems in the shade.

Product range

Type FX3UC-16MT/_ FX3UC-32MT/_ FX3U-64MT/_ FX3UC-96MT/_
Total integrated inputs/outputs 16 32 64 96
Power supply 24 V DC (+20%, -15%)
Max. input apparent power 6 W 8 W 11 W 14 W
Power supply internal bus (5 V DC) 600 mA 560 mA 480 mA 400 mA
Integrated inputs 8 16 32 48
Input impedance X000-X005; 3,9 k?; X006-X007: 3,3 k?; X010+: 4,3 k?
Input signal current X000-X005: 6 mA/24 V DC; X006-X007; 7 mA/24 V DC; X010+: 5 mA/24 V DC
ON input sensitivity current X000-X005: > 3,5 mA; X006-X007: >4,5 mA; X010+: >3,5mA
Input OFF current 1,5 mA or less
Isolation Photocoupler isolation between input terminals and PC power for all base units
Response time For all base units of the MELSEC FX3UC series: 10 ms (at time of shipment), X000 to X017 use adjustable digital filter values
Integrated outputs 8 16 32 48
Output type Transistor
ON votlage (max.) 5 - 30 V DC
Max.load resistance 0,3 A (for Y000-Y003 / 0,1 A (for all other outputs) ; max. 1,6 A for 16 outputs simultaneously
inductive 7,2 W (for Y000-Y003) / 2,4 W (for all other outputs); max. 38,4 W for 16 outputs simultaneously
Response time < 0,2 ms (for Y000-Y003) / 5µs (for all other outputs)
Environment 0-55 °C ambient temperature; 5-95 % relative humidity
Dimensions in mm (WxHxD) 34x90x74 34x90x74 60x90x74 86x90x74

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