Omron ZEN Operation Manual page 146

Specifications
Specifications
Item
Control method Stored program control
I/O control Cyclic scan
method
Programming Ladder diagram
language
Program 96 lines (up to 3 inputs and 1 output per line)
capacity
Maximum No. of CPU Units with 10 I/O points
control I/O points
CPU Units with 20 I/O points
Memory areas CPU Unit input bits (I)
CPU Unit output bits (Q)
Expansion I/O Unit input bits (X)
Expansion I/O Unit output bits (Y) Y0 to Yb, 12 bits (See note 3.)
Work bits (M)
Holding bits (H)
Button switches (B)
Timers (T)
Holding timers (#)
Weekly timers (@)
Calender timers (*)
Counters (C)
8-Digit Counter (F)
Display bits (D)
Analog comparator (A)
Comparator (P)
8-Digit comparator (G)
Note
122
1. Communications-type CPU Units have only 33 points.
2. Output bit Q3 of CPU Units with communications cannot be
output externally. It can be used as a work bit.
3. Can be used only when Expansion I/O Units are connected.
Specifications
34 points (with 3 Expansion I/O Units)
(See note 1.)
44 points (with 3 Expansion I/O Units)
CPU Units with 10 I/O Points:
I0 to I5, 6 bits
CPU Units with 20 I/O Points:
I0 to Ib, 12 bits
CPU Units with 10 I/O Points:
Q0 to Q3, 4 bits (See note 2.)
CPU Units with 20 I/O Points:
Q0 to Q7, 8 bits
X0 to Xb, 12 bits (See note 3.)
M0 to Mf, 16 bits
H0 to Hf, 16 bits
B0 to B7, 8 bits
(not supported for LED-type CPU Units)
T0 to Tf, 16 timers
#0 to #7, 8 timers
@0 to @f, 16 timers
(not supported for LED-type CPU Units)
*0 to *f, 16 timers
(not supported for LED-type CPU Units)
C0 to Cf, 16 counters
F0, 1 counter
D0 to Df, 16 bits
(not supported for LED-type CPU Units)
A0 to A3, 4 comparators (CPU Units with
DC power supply only)
P0 to Pf, 16 comparators
G0 to G3, 4 comparators
Appendix A