Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC-F (FX) Series – Main Unit / FX1N-40MR-D Mitsubishi MELSEC-F (FX) Series Main unit

Available on request

FX1N-40MR-D Mitsubishi MELSEC-F (FX) Series Main unit

MPN: FX1N-40MR-D · Brand: Mitsubishi Electric (Factory Automation)

Price on request

Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original FX1N-40MR-D (new, used or refurbished, subject to availability). Request a quote below.

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

30-day returns, no restocking fee on unused parts

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Quick facts

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

Shipping & availability

Can I still buy the FX1N-40MR-D now that it is discontinued?

Yes. Mitsubishi Electric (Factory Automation) has discontinued the FX1N-40MR-D, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.

When can FX1N-40MR-D be shipped?

FX1N-40MR-D 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 FX1N-40MR-D 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 FX1N-40MR-D 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 FX1N-40MR-D, subject to availability and destination.

The Mitsubishi Electric FX1N-40MR-D is a main unit in the MELSEC-F (FX) Series. DC Power Supply/DC Input Type Input: 24 points 24 V DC sink Output: 16 points Relay. Mitsubishi Electric has discontinued it (2015/12 Discontinued); PartnerPLC sources discontinued Mitsubishi parts on the surplus market for maintenance of existing machines. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC-F (FX) Series
Category	Main unit
Sales status	2015/12 Discontinued (Mitsubishi Electric)
Outline	DC Power Supply/DC Input Type Input: 24 points 24 V DC sink Output: 16 points Relay

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	8000 steps Up to 8000 steps, including comment and file registers
Program memory: Built-in memory capacity/type	8000 EEPROM (memory backup not required)
Program memory: Memory cassette (Memory board)	FX1N-EEPROM-8L (8000 steps EEPROM)
Program memory: Writing function during running	Provided (Program can be modified while the PLC is running.)
Program memory: Protection	Password protection provided (with entry code function)
Real-time clock: Clock function	Built-in 1980 to 2079 (with correction for leap year), 2- or 4-digit year, accuracy within ±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. The optional battery can also be used to hold t
Kinds of instructions: Basic instructions	・Sequence instructions: 27 ・Step-ladder instructions: 2
Kinds of instructions: Applied instructions	Applied instructions: 89 kinds
Processing speed: Basic instructions	0.55 to 0.7 μs/instruction
Processing speed: Applied instructions	3.7 μs to several hundred μs/instruction
No. of input/output points: No. of input points	128 points or less (Extension combined number) Note that the total for I/O is 128 points or less
No. of input/output points: No. of output points	128 points or less (Extension combined number) Note that the total for I/O is 128 points or less
No. of input/output points: Remote I/O number of points (CC-Link)	128 points or less including mounted I/O
No. of input/output points: Total number of points	128 points or less (Extension combined number)
Device: Input/output relay: Input relay	X000 to X177 128 points (octal) Extension-combined
Device: Input/output relay: Output relay	Y000 to Y177 128 points (octal) Extension-combined
Device: Auxiliary relay: For general	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) The PLC power must be on for at least 5 minutes to accurately keep the data in the EEPROM.
Device: Auxiliary relay: For keeping (capacitor keeping)	M512 to M1535 1024 points *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter) The large-capacity capacitor (built-in) fully charges in 30 minutes and retains the current value for ten days. The capacitor keeping device may not hold its state correctly if the large-capacity capacitor’s voltage is low. When using the FX1N series PLC for th
Device: Auxiliary relay: For special	M8000 to M8255 256 points
Device: State: 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) The PLC power must be on for at least 5 minutes to accurately keep the data in the EEPROM.
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) The PLC power must be on for at least 5 minutes to accurately keep the data in the EEPROM.
Device: State: For keeping (capacitor keeping)	S128 to S999 872 points *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter) The large-capacity capacitor (built-in) fully charges in 30 minutes and retains the current value for ten days. The capacitor keeping device may not hold its state correctly if the large-capacity capacitor’s voltage is low. When using the FX1N series PLC for the
Device: Timer (on delay): 100 ms	T0 to T199 200 points (0.1 to 3,276.7 sec)
Device: Timer (on delay): 10 ms	T200 to T245: 46 points (0.01 to 327.67 sec)
Device: Timer (on delay): 1 ms accumulating type (capacitor keep)	T246 to T249 4 points (0.001 to 32.767 sec) *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter) The large-capacity capacitor (built-in) fully charges in 30 minutes and retains the current value for ten days. The capacitor keeping device may not hold its state correctly if the large-capacity capacitor’s voltage is low. When using the FX1N
Device: Timer (on delay): 100 ms accumulating type (capacitor keep)	T250 to T255 6 points (0.1 to 3,276.7 sec) *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter) The large-capacity capacitor (built-in) fully charges in 30 minutes and retains the current value for ten days. The capacitor keeping device may not hold its state correctly if the large-capacity capacitor’s voltage is low. When using the FX1N
Device: Timer (on delay): Others	Available as analog timers VR1: D8030, VR2: D8031 2 points (0 to 255)
Device: Counter: 16 bits up	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) The PLC power must be on for at least 5 minutes to accurately keep the data in the EEPROM.
Device: Counter: 16 bit up/down (capacitor keeping)	C32 to C199 168 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) The large-capacity capacitor (built-in) fully charges in 30 minutes and retains the current value for ten days. The capacitor keeping device may not hold its state correctly if the large-capacity capacitor’s voltage is low. When using t
Device: Counter: 32 bits up or down	C200 to C219 20 points (Counting from -2,147,483,648 to +2,147,483,647)
Device: Counter: 32 bit up/down (capacitor keeping)	C220 to C234 15 points (Counting from -2,147,483,648 to +2,147,483,647) *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter) The large-capacity capacitor (built-in) fully charges in 30 minutes and retains the current value for ten days. The capacitor keeping device may not hold its state correctly if the large-capacity capacitor’s voltage
Device: High-speed counter	[32 bits high-speed up/down (EEPROM keep)] C235 to 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) The PLC power must be on for at least 5 minutes to accurately keep the dat
Device: Data register (32 bits when paired): 16 bits for general	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) The PLC power must be on for at least 5 minutes to accurately keep the data in the EEPROM.
Device: Data register (32 bits when paired): 16 bit for keeping (capacitor keeping)	D256 to D7999 7744 points *Precaution for keeping area The keeping area and non-keeping area are fixed. (Cannot be changed with parameter) The large-capacity capacitor (built-in) fully charges in 30 minutes and retains the current value for ten days. The capacitor keeping device may not hold its state correctly if the large-capacity capacitor’s voltage is low. When using the FX1N series PLC for th
Device: Data register (32 bits when paired): File register (keep)	D1000 to D7999 Maximum 7000 points (Can be set as file registers in units of 500 points from D1000 in the program area (EEPROM) using parameters.)
Device: Data register (32 bits when paired): 16 bits for special	D8000 to D8255 256 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 P127 128 points (For CJ instructions and CALL instructions, P63 jumps to END instruction)
Device: Pointer: Input interruption	I00□ to I50□: 6 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

Power supply specifications

Rated voltage	12 to 24 V DC
Allowable supply voltage range	10.2 to 28.8 V DC
Frequency rating	－
Allowable instantaneous power failure time	Operation can be continued upon occurrence of instantaneous power failure for 5 ms or less.
Power fuse	125V 3.15 A
Rush current	25 A max. 1 ms or less/24 V DC, 22 A max. 0.3 ms or less/12 V DC
Power consumption	18 W Includes input current (7 or 5 mA per point).
24 V DC service power supply	－

Input specifications

No. of input points	24 points
Input connection type	Removable terminal block (M3 screw)
Input type	Sink
Input signal voltage	24 V DC ±10%
Input impedance: X000 to X007	3.3 kΩ
Input impedance: X010 or more	4.3 kΩ
Input signal current: X000 to X007	7 mA/24 V DC
Input signal current: X010 or more	5 mA/24 V DC
ON input sensitivity current: X000 to X007	4.5 mA or more
ON input sensitivity current: X010 or more	3.5 mA or more
OFF input sensitivity current	1.5 mA or less
Input response time	Approx. 10 ms X000 to X007 have built-in digital filters, which can be changed to 0 to 15 ms in 1 ms increments using the application D8020. When 0 is specified, X000 and X001 are 10 μs, and X002 to X017 are 50 μs.
Input signal form	No-voltage contact input NPN open collector transistor
Input circuit insulation	Photocoupler insulation
Indication of input operation	LED is lit when input is on

Output specifications

No. of output points	16 points
Output connection type	Terminal block (M3 screw)
Output type	Relay output
External power supply	250 V AC 30 V DC or less
Max. load: Resistance load	2 A or less/1 output point 8 A or less/COM terminal
Max. load: Inductive load	80 VA
Min. load	5 V DC, 2 mA (reference value)
Open circuit leakage current	－
ON voltage	－
Response time: OFF→ON	Approx. 10 ms
Response time: ON→OFF	Approx. 10 ms
Insulation of circuit	Mechanical insulation
Indication of output operation	When power is applied to relay coil, LED is lit.

Built-in high-speed counter function

1-phase 1-count input	[C235, C236] Up to 2 points: Up to 60 kHz When used High-speed comparison SET/RESET: 30 kHz [C237 to C245] Up to 4 points: Up to 10 kHz When used High-speed comparison SET/RESET: 10 kHz The total frequency processed by the PLC with the high-speed counter and pulse density instruction (add double the input frequency when using a 2-phase counter) is a maximum of 60 kHz. When using the high-speed com
1-phase 2-count input	[C246] Up to 1 points: Up to 60 kHz When used High-speed comparison SET/RESET: 30 kHz [C247 to C250] Up to 2 points: Up to 10 kHz When used High-speed comparison SET/RESET: 10 kHz The total frequency processed by the PLC with the high-speed counter and pulse density instruction (add double the input frequency when using a 2-phase counter) is a maximum of 60 kHz. When using the high-speed compariso
2-phase 2-count input	[C251] Up to 1 point: Up to 30 kHz When used High-speed comparison SET/RESET: 15 kHz [C252 to C255] Up to 2 points: Up to 5 kHz When used High-speed comparison SET/RESET: 5 kHz The total frequency processed by the PLC with the high-speed counter and pulse density instruction (add double the input frequency when using a 2-phase counter) is a maximum of 60 kHz. When using the high-speed comparison S

Specifications

Ambient temperature	0 to 55°C (32 to 131°F) when operating and -20 to 70°C (-4 to 158°F) when stored
Ambient humidity	35 to 85%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 (DC power supply) and ground terminal: 500 V AC for 1 min Between output terminal (relay) and ground terminal: 1.5 kV AC for 1 min
Insulation resistance	Perform insulation resistance test at the following voltage between each terminals and the main unit ground terminal. Between power supply terminal (DC power supply) and ground terminal: 5 MΩ or higher by 500 V DC insulation resistance tester Between output terminal (relay) and ground terminal: 5 MΩ or higher by 500 V DC insulation resistance tester
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.