| Mitsubishi PLC Module | FX2N and the FX2NC PLC’s 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: 0.08 msApplied instructions: 1.52 to several 100 ms |
| Programming language | Relay symbolic language + step ladder | Step ladder can be used to produce an SFC style program |
| Program capacity | 8000 steps built in | Expandable to 16000 steps using additional memory cassette |
| Number of instructions | Basic sequence instructions: 20 Step ladder instructions: 2 Applied instructions: 125 | A Maximum 125 applied instructions are available |
| I/O configuration | Max hardware I/O configuration points 255, dependent on user selection (Max. software addressable Inputs 255, Outputs 255) |
| Auxiliary relay(M coils) Auxiliary relay(M coils) General | 3072 points | M0 to M3071 |
| Auxiliary relay(M coils) Latched | 2572 points (subset) | M500 to M3071 |
| Auxiliary relay(M coils) Special | 256 points | From the range M8000 to M8255 |
| State relays (S coils) General | 1000 points | S0 to S999 |
| State relays (S coils) Latched | 500 points (subset) | S500 to S999 |
| State relays (S coils) Initial | 10 points (subset) | S0 to S9 |
| State relays (S coils) Annunciator | 100 points | S900 to S999 |
| Timers (T) 100 msec | Range: 0 to 3,276.7 sec200 points | T0 to T199 |
| Timers (T) 10 msec | Range: 0 to 327.67 sec46 points | T200 to T245 |
| Timers (T) 1 msec retentive | Range: 0 to 32.767 sec4 points | T246 to T249 |
| Timers (T) 100 msec retentive | Range: 0 to 3,276.7 sec6 points | T250 to T255 |
| Counters (C) General 16 bit | Range: 1 to 32,767 counts200 points | C0 to C199Type: 16 bit up counter |
| Counters (C) General 16 bit Latched 16 bit | 100 points (subset) | C100 to C199Type: 16 bit up counter |
| Counters (C) General 16 bit General 32 bit | Range: -2,147,483,648 to 2,147,483,64735 points | C200 to C234Type: 32 bit up/down counter |
| Counters (C) General 16 bit Latched 32 bit | 15 points (subset) | C219 to C234Type: 16 bit up/down counter |
