





The Mitsubishi PLC Module FX1S-14MR-D/FX1S-14MT-D is a highly reliable, compact micro programmable logic controller designed for cost-effective automation of small machines and processes. This model features a built-in power supply, 14 I/O points (8 inputs and 6 outputs), and supports both relay (MR) and transistor (MT) output variants. With a program capacity of 2K steps stored in non-volatile EEPROM, it offers fast execution speeds and a rich instruction set including 29 basic, 2 step ladder, and up to 116 applied instructions. The FX1S series is renowned for its ease of programming, robust construction, and seamless integration into existing Mitsubishi automation networks.
| Parameter | Specification | Remarks |
|---|---|---|
| Operation control method | Cyclic operation by stored program | |
| I/O control method | Batch processing method (when END instruction is executed) | I/O refresh instruction is available |
| Operation processing time | Basic instructions: 0.55 to 0.7 µs; Applied instructions: 1.65 to several 100 µs | |
| Programming language | Relay symbolic language + step ladder | Step ladder can be used to produce an SFC style program |
| Program capacity | 2K steps | Provided by built-in EEPROM memory |
| Number of instructions | Basic sequence: 29; Step ladder: 2; Applied: 85 | Maximum 116 applied instructions including all variations |
| I/O configuration | Max total I/O set by Main Processing Unit | |
| General (M) | 384 points | M0 to M383 |
| Latched (M) | 128 points (subset) | M384 to M511 |
| Special (M) | 256 points | From M8000 to M8255 |
| General (S) | 128 points | S0 to S127 |
| Initial (S) | 10 points (subset) | S0 to S9 |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22