Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC-F (FX) Series – Main Unit / FX3S-14MT/ES Mitsubishi MELSEC-F (FX) Series Main unit

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FX3S-14MT/ES Mitsubishi MELSEC-F (FX) Series Main unit

MPN: FX3S-14MT/ES · Brand: Mitsubishi Electric (Factory Automation)

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12-month warranty (new) · 3-month (used/refurbished)

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSEC-F (FX) Series – Main Unit
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can FX3S-14MT/ES be shipped?

FX3S-14MT/ES is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up FX3S-14MT/ES in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for FX3S-14MT/ES and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for FX3S-14MT/ES, subject to availability and destination.

The Mitsubishi Electric FX3S-14MT/ES is a main unit in the MELSEC-F (FX) Series. AC Power Supply/DC Input Type Input: 8 points 24 V DC sink/source Output: 6 points Transistor sink. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC-F (FX) Series
Category	Main unit
Outline	AC Power Supply/DC Input Type Input: 8 points 24 V DC sink/source Output: 6 points Transistor sink

Specifications

Operation control system	Stored program repetitive operation system with interruption function
Input/output control system	Batch processing system (when END instruction is executed), Input/output refresh instruction and pulse catch function are provided.
Programming language	Relay symbol system + step-ladder system (SFC notation possible)
Program memory: Max. memory capacity	16000 steps, 16000 steps including comments and file registers
Program memory: Built-in memory capacity/type	16000 step EEPROM (memory backup not required)
Program memory: Memory cassette (Option)	FX3G-EEPROM-32L connectable (32000 steps EEPROM) FX3S series can use up to 16000 steps (program capacity is 4000 steps)
Program memory: Writing function during running	Provided (Program can be modified while the PLC is running.)
Program memory: Protection	With keyword/Customer keyword function
Real-time clock: Clock function	Built-in 1980 to 2079 (with correction for leap year), 2- or 4-digit year, accuracy 45 seconds/month at 25 °C *Precaution for clock function The current time of the built-in clock is backed up by a high-capacity capacitor (built-in). The large-capacity capacitor (built-in) fully charges in 30 minutes and retains the current value for ten days.
Kinds of instructions: Basic instructions	・Sequence instructions: 29 ・Step-ladder instructions: 2
Kinds of instructions: Applied instructions	Applied instructions: 116 kinds
Processing speed: Basic instructions	0.21 μs/instruction
Processing speed: Applied instructions	0.5 μs to several hundred μs/instruction
No. of input/output points: No. of input points	16 points or less (Extension is impossible.)
No. of input/output points: No. of output points	14 points or less (Extension is impossible.)
No. of input/output points: Total number of points	30 points or less (Extension is impossible.)
Device: Input/output relay: Input relay	X000 to X017 16 points (octal) Extension is impossible. (FX3S-14M□ is supported within the range X000 to X007)
Device: Input/output relay: Output relay	Y000 to Y015 14 points (octal) Extension is impossible. (FX3S-14M□ is supported within the range of Y000 to Y005)
Device: Auxiliary relay: For general 1	M0 to M383 384 points
Device: Auxiliary relay: For keeping (EEPROM keep)	M384 to M511 128 points *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter)
Device: Auxiliary relay: For general 2	M512 to M1535 1024 points
Device: Auxiliary relay: For special	M8000 to M8511: 512 points
Device: State: For initial state (EEPROM keep)	S0 to S9 10 points *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter)
Device: State: For keeping (EEPROM keep)	S10 to S127 118 points *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter)
Device: State: For general	S128 to S255 128 points
Device: Timer (on delay): 100 ms	T0 to T31 63 points (0.1 to 3,276.7 sec)
Device: Timer (on delay): 100 ms/10 ms	T32 to T62 31 points (0.1 to 3,276.7 sec/0.01 to 327.67 sec) When M8028 is driven ON, timers T32 to T62 (31 points) are changed to 10 ms resolution.
Device: Timer (on delay): 1 ms	T63 to T127 65 points (0.001 to 32.767 sec)
Device: Timer (on delay): 1 ms accumulating type	T128 to T131 4 points (0.001 to 32.767 sec)
Device: Timer (on delay): 100 ms accumulating type	T132 to T137 6 points (0.1 to 3,276.7 sec)
Device: Timer (on delay): Others	Available as analog timers VR1: D8030, VR2: D8031 2 points (0 to 255)
Device: Counter: 16 bits up (For general)	C0 to C15 16 points (Counting from 0 to 32,767)
Device: Counter: 16 bits up (EEPROM keep)	C16 to C31 16 points (Counting from 0 to 32,767) *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter)
Device: Counter: 32 bits up or down	C200 to C234 35 points (Counting from -2,147,483,648 to +2,147,483,647)
Device: High-speed counter	[32 bits high-speed up/down (EEPROM keep)] Up to 6 points can be used between C235 and C255. 1-phase: 60 kHz, 10 kHz 2-phase: 30 kHz, 5 kHz The number of points that can be used and the input frequency are limited depending on the conditions of use. *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter)
Device: Data register (32 bits when paired): 16 bits for general 1	D0 to D127 128 points
Device: Data register (32 bits when paired): For 16 bits keep (EEPROM keep)	D128 to D255 128 points *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter)
Device: Data register (32 bits when paired): 16 bits for general 2	D256 to D2999 2744 points
Device: Data register (32 bits when paired): File register (EEPROM keep)	D1000 to D2999 2000 points (Settable in file register in 500-point units.)
Device: Data register (32 bits when paired): 16 bits for special	D8000 to D8511: 512 points
Device: Data register (32 bits when paired): 16 bits for index	V0 to V7, Z0 to Z7: 16 points
Device: Pointer: For branching of JUMP and CALL	P0 to P255 256 points (For CJ instructions and CALL instructions, P63 jumps to END instruction)
Device: Pointer: Input interruption	I0□□ to I5□□ 6 points
Device: Pointer: Timer interruption	I6□□ to I8□□: 3 points
Device: Nesting	[For master control] N0 to N7: 8 points (For MC instructions)
Constant: Decimal number (K)	16 bits: -32,768 to +32,767 32 bits: -2,147,483,648 to +2,147,483,647
Constant: Hexadecimal number (H)	16 bits: 0 to FFFF 32 bits: 0 to FFFFFFFF
Constant: Real number (E)	32 bits: -1.0 × 2 128 to -1.0 × 2 -126 , 0, 1.0 × 2 -126 to 1.0 × 2 128 Decimal-point and exponential notations are possible.

Power supply specifications

Rated voltage	100 to 240 V AC
Allowable supply voltage range	85 to 264 V AC
Frequency rating	50/60 Hz
Allowable instantaneous power failure time	Operation can be continued upon occurrence of instantaneous power failure for 10 ms or less.
Power fuse	250 V 1 A
Rush current	15 A max. 5 ms or less/100 V AC, 28 A max. 5 ms or less/200 V AC
Power consumption	19 W This item shows values when all 24 V DC service power supplies are used in the maximum configuration connectable to the main unit, and includes the input current (5 or 7 mA per point).
24 V DC service power supply	400 mA

Input specifications

No. of input points	8 points
Input connection type	Fixed terminal block (M3 screw)
Input type	Sink/source
Input signal voltage	24 V DC ±10%
Input impedance: X000 to X007	3.3 kΩ
Input impedance: X010 or more	－
Input signal current: X000 to X007	7 mA/24 V DC
Input signal current: X010 or more	－
ON input sensitivity current: X000 to X007	4.5 mA or more
ON input sensitivity current: X010 or more	－
OFF input sensitivity current	1.5 mA or less
Input response time	Approx. 10 ms X000 to X017 have built-in digital filters, which can be changed to 0 to 15 ms in 1 ms increments using the application instructions or D8020. The following is applied when 0 is set. X000, X001: 10 μs X002 to X007: 50 μs X010 to X017: 200 μs
Input signal form	No-voltage contact input Sink: NPN open collector transistor Source: PNP open collector transistor
Input circuit insulation	Photocoupler insulation
Indication of input operation	When photocoupler is driven, LED on panel is lit.

Output specifications

No. of output points	6 points
Output connection type	Fixed terminal block (M3 screw)
Output type	Transistor/sink output
External power supply	5-30 V DC
Max. load: Resistance load	0.5 A/1 point The total load current per common terminal should be the following value. 1 output point/common terminal: 0.5 A or less 4 output points/common terminal: 0.8 A or less
Max. load: Inductive load	12 W/24 V DC The total of inductive loads per common terminal should be the following value. 1 output point/common terminal: 12 W or less/24 V DC 4 output points/common terminal: 19.2W or less/24 V DC
Min. load	－
Open circuit leakage current	0.1 mA or less/30 V DC
ON voltage	1.5 V or less
Response time: OFF→ON	Y000, Y001:5 μs or less/10 mA or more (5-24 V DC) Y002 to Y015: 0.2 ms or less/200 mA or more (at 24 V DC)
Response time: ON→OFF	Y000, Y001:5 μs or less/10 mA or more (5-24 V DC) Y002 to Y015: 0.2 ms or less/200 mA or more (at 24 V DC)
Insulation of circuit	Photocoupler insulation
Indication of output operation	LED on panel lights when photocoupler is driven.

Built-in high-speed counter function

1-phase 1-count input	[C235, C236] 60 kHz [C237 to C240] 10 kHz [C241] 60 kHz [C242 to C245] 10 kHz When using multiple high-speed counters, make sure that the sum of used frequency does not exceed the overall frequency.
1-phase 2-count input	[C246] 60 kHz [C248(OP)] 10 kHz [C247 to C250] 10 kHz When using multiple high-speed counters, make sure that the sum of used frequency does not exceed the overall frequency.
2-phase 2-count input	[C251] 30 kHz [C253(OP), C252 to C255] 5 kHz When using multiple high-speed counters, make sure that the sum of used frequency does not exceed the overall frequency.

Built-in pulse output and positioning function

Number of control axes	2 independent axes
Maximum frequency	100 kHz
Programming language	Sequence program
Compatible main units	Transistor output type main unit
Pulse output instruction	・Pulse Y Output (PLSY) ・Acceleration/Deceleration Setup (PLSR) Pulse output form: Pulse train (The direction is controlled with the sequence.)
Positioning instruction	・Reads out the current value of ABS ([D]ABS) ・zero return with DOG search function [DSZR] ・zero return [ZRN] (without DOG search function) Decelerates when near-point DOG is ON, Stops when near-point DOG is OFF. is OFF. (This is different from the zero return operation by counting the zero point signal.) ・Variable speed Pulse Output [PLSV] ・Drive to Increment [DRVI] ・Drive to Absolute [DRVA] Pulse

Specifications

Ambient temperature	0 to 55°C (32 to 131°F) when operating and -25 to 75°C (-13 to 167°F) when stored
Ambient humidity	5 to 95%RH (no condensation) when operating
Vibration resistance: Installed on DIN rail: Frequency: 10 to 57 Hz	Half amplitude: 0.035mm Sweep Count for X, Y, Z: 10 times (80 min in each direction) The criterion is shown in IEC61131-2.
Vibration resistance: Installed on DIN rail: Frequency: 57 to 150 Hz	Acceleration: 4.9 m/s 2 Sweep Count for X, Y, Z: 10 times (80 min in each direction) The criterion is shown in IEC61131-2.
Vibration resistance: Direct installing: Frequency: 10 to 57 Hz	Half amplitude: 0.075 mm Sweep Count for X, Y, Z: 10 times (80 min in each direction) The criterion is shown in IEC61131-2.
Vibration resistance: Direct installing: Frequency: 57 to 150 Hz	Acceleration: 9.8 m/s 2 Sweep Count for X, Y, Z: 10 times (80 min in each direction) The criterion is shown in IEC61131-2.
Shock resistance	147 m/s 2 Acceleration, Action time: 11 ms, 3 times by half-sine pulse in each direction X, Y, and Z The criterion is shown in IEC61131-2.
Noise resistance	By noise simulator at noise voltage of 1,000 Vp-p, noise width of 1 μs, rise time of 1 ns and period of 30 to 100 Hz
Dielectric withstand voltage	Perform dielectric withstand voltage test at the following voltage between each terminals and the main unit ground terminal. Between power supply terminal (AC power supply) and ground terminal: 1.5 kV AC for 1 min Between 24 V DC service power supply connected to input terminal (24 V DC) and ground terminal: 500 V AC for 1 min Between output terminal (transistor) and ground terminal: 500 V AC for
Insulation resistance	Perform insulation resistance test at the following voltage between each terminals and the main unit ground terminal. Between power supply terminal (AC power supply) and ground terminal: 5 MΩ or higher by 500 V DC insulation resistance tester Between 24 V DC service power supply connected to input terminal (24 V DC) and ground terminal: 5 MΩ or higher by 500 V DC insulation resistance tester Betwe
Grounding	Class D grounding (grounding resistance: 100 Ω or less) (Common grounding with a heavy electrical system is not allowed) Ground the PLC independently or jointly.
Working atmosphere	Free from corrosive or flammable gas and excessive conductive dusts
Working altitude	2000 m or less The PLC cannot be used at a pressure higher than the atmospheric pressure to avoid damage.