Mitsubishi FX1S-20MR-001 PLC Base Unit 20 I/O

Series#: Mitsubishi

Product Details

Model: Mitsubishi FX1S-20MR-001 / FX1S-20MT-001 – Compact 20 I/O PLC Base Unit for space-constrained automation.
20 total I/O points: 12 inputs + 8 outputs (Relay for MR, Transistor for MT).
Built-in 2K step EEPROM program memory with robust cyclic operation control.
Fast processing: basic instructions in 0.55–0.7 ms; comprehensive instruction set included.
Extensive internal relay management: 384 general + 128 latched + 256 special auxiliary relays.
Ideal for standalone machines, small conveyors, and cost-sensitive automation projects.
100% Genuine and New, rigorously inspected before international dispatch.

Specification

The Mitsubishi FX1S-20MR-001 / FX1S-20MT-001 is a highly reliable 20 I/O PLC base unit from the FX1S Series, engineered to deliver exceptional control in compact industrial environments. With a stored program cyclic operation and a 2K step EEPROM memory, this module excels in sequential control tasks while maintaining a minimal footprint. Its 0.55–0.7 ms basic processing time ensures real-time responsiveness, and the rich internal relay system—featuring 384 general, 128 latched, and 256 special auxiliary relays—provides flexible programming for diverse applications. Whether you need relay or transistor outputs, this unit offers a cost-effective solution for small-scale automation without compromising on performance.

Parameter	Specification	Remarks
Operation Control	Cyclic operation by stored program
Processing Time	Basic: 0.55 to 0.7 ms \| Applied: 1.65 to several 100 ms
Program Capacity	2K steps	Provided by built-in EEPROM memory
Auxiliary Relays (General)	384 points	M0 to M383
Auxiliary Relays (Latched)	128 points (subset)	M384 to M511
Auxiliary Relays (Special)	256 points	From the range M8000 to M8255
State Relays (General)	128 points	S0 to S127
State Relays (Initial)	10 points (subset)	S0 to S9

I/O Configuration: 12 digital inputs (24V DC) and 8 outputs (relay for MR version, sink/source transistor for MT version).
Timers & Counters: Up to 64 timers (ranging from 1 ms to 100 ms resolution) and 32 counters (16-bit up/down).
Data Registers: 256 general-purpose 16-bit registers (D0–D255) with optional latched subsets for persistent storage.
Index Registers: 2 index registers (V and Z) for indirect addressing and efficient data manipulation.
Special Function Units: Supports up to 2 expansion modules via the FX1S expansion bus (e.g., analog I/O, temperature control).
Communication: Built-in RS-422 programming port; optional RS-232C/485 adapters for HMI or network connectivity.
Power Supply: 24V DC (0.3A) for MR version; 24V DC (0.5A) for MT version with isolated output circuits.
Environmental: Operating temperature 0–55°C, humidity 5–95% non-condensing, and IP20 protection rating.