Programming method / Control method    Relay symbol / Cyclic operation
Number of I/O points : No expansion (Control unit only)    10 points
[Input : 6,
Relay output : 4]
Number of I/O points : With expansion 1
Same type of control and expansion units    Max. 58 points (Note: For the limitations while operating units, reter to the manual.)
Number of I/O points : With expansion 2
Mix type of relay and transistor units    Max. 106 points (Note: For the limitations while operating units, reter to the manual.)
Program memory    EEPROM (no backup battery required)
Program capacity    16 k steps
Number of instructions : Basic    110 approx.
Number of instructions : High-level    210 approx.
Operation speed : Up to 3,000 steps    Basic instructions : 0.08 μs min. Timer instructions : 2.2 μs min.
High-level instructions : 0.32 μs (MV instruction) min.
Operation speed : 3,001st and later steps    Basic instructions : 0.58 μs min. Timer instructions : 3.66 μs min.
High-level instructions : 1.62 μs (MV instruction) min.
Operation memory : Relay : Internal relay (R)    4,096 points
Operation memory : Relay : Timer / Counter (T / C)    1,024 points
Operation memory : Memory area : Data register (DT)    12,315 words
Operation memory : Memory area : Index register (IX, IY)    14 words (IO to ID)
Master control relay points (MCR)    256 words
Number of labels (JMP and LOOP)    256 labels
Differential points    Equivalent to the program capacity
Number of step ladder    1,000 stages
Number of subroutines    500 subroutines
Special functions : High speed counter(HSC)    Single-phase 4 points (50 kHz max. each) or 2-phase 2 points (15 kHz max. each)
(Note) : For the limitations while operating units, see the manual.