Omron ZEN Operation Manual page 135

Specifications
Item
Power interrup- Internal RAM: Super capacitor (or optional battery) for holding bits and timer/
tion hold counter present values.
Calendar and clock: Super capacitor (or optional battery) for date, day, and
time.
Holding time for super capacitor: 2 days max. (25°C
Calendar and
Available for ZEN-
clock function
Precision: ± 2 min/month (25°C)
Note
Input Specifications
CPU Unit
AC Inputs (Not Isolated) (V1 and Pre-V1 CPU Units)
Item
Input voltage 100 to 240 VAC +10%, –15%, 50/60 Hz
Input impedance 680 k Ω
Input current 0.15 mA/100 VAC, 0.35 mA/240 VAC
ON voltage 80 VAC min.
OFF voltage 25 VAC max.
ON response 50 ms or 70 ms at 100 VAC (See note.)
time
100 ms or 120 ms at 240 VAC (See
note.)
OFF response
time
Note
Can be selected using the input filter settings.
112
@@
1. The sizes of some memory areas are smaller for pre-V1 CPU
Units.
2. Available when an Expansion I/O Unit is connected.
Specifications
Specifications
@@ @
C1 - (-V1) only.
Appendix B
)
Circuit drawing
IN
330 kΩ 300 kΩ
IN
0.1 µF
51 kΩ
100 to
240 VAC
N
L
Internal
circuit