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■ Support Software and CPU Unit Combinations
CPU Unit system software
Ver. 1.0 (Pre-V1 Units)
Ver. 1.1 (Pre-V1 Units)
Ver. 2.0 (V1 CPU Units)
10 I/O points Restrictions
20 I/O points Not applicable.
Ver. 3.0 (V2 CPU Units)
Note: 1. The display functions (display clear: -CD@ and day/month display: DAT1) cannot be used and will be ignored.
2. Only the memory area ranges supported by the pre-V1 CPU Units can be used for Timers, Holding Timers, Counters, Weekly Timers, Calendar Timers, and
Displays (i.e., only half of each).
3. Twin timer operation for timers, multiple-day operation and pulse operation for weekly timers, the 8-digit counter, and 8-digit comparators cannot be used.
New Zealand and Australia cannot be set for Daylight Saving Time (DST).
■ Difference between ZEN Programmable Relays and PLC Ladder
Program Execution
ZEN Programmable Relays
I0
I1
I2
0
[ Q0
Q0
1
I3
2
[ Q1
I4
3
TT0
T0
4
[ Q2
Executed sequentially
Bus bar
from the bus bar.
The ON/OFF status produced by an output contact will not be used
as the input contact status in the same cycle, but it can be used in
the next cycle.
I0
0
[ M0
M0
1
[ Q0
Ver. 1.0
ZEN-SOFT01
OK
OK
Restrictions
OK
(See note 1.)
Restrictions
(See notes 1 and 2.)
(See note 2.)
Not applicable.
Not applicable.
Not applicable.
ZEN executes the entire
ladder program (up to 96
lines) from the first to last line
at one time. Each row is
executed in order from left to
right starting from the left bus
bar.
I0
M0
Q0
1 cycle
1 cycle
Support Software
Ver. 2.0
Ver. 3.0
ZEN-SOFT01-V2
ZEN-SOFT01-V3
Restrictions
(See notes 1 and 2.)
Restrictions
(See note 2.)
OK
OK
Not applicable.
OMRON SYSMAC PLCs
I0
I1
I2
0
Q0
1
I3
2
I4
3
T0
4
When the following instructions are executed, Q0 turns ON/OFF
at the same time as the other bits.
I0
0
[ M0
M0
1
[ Q0
ZEN V2 Units
Ver. 4.1
ZEN-SOFT01-V4
Restrictions
(See notes 1, 2, and 3.)
Restrictions
(See notes 2 and 3.)
Restrictions
(See note 3.)
Restrictions (See note 3.)
OK
PLCs execute ladder
[ Q0
programs one rung (circuit) at
a time, starting with the top
rung and executing it in order
[ Q1
from the left. When the END
instruction is reached, the
TT0
program is executed again
[ Q2
from the first rung.
END
I0
M0
Q0
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