ZEN V2 Units
30
Expansion I/O Units
Note: Refer to page 31 for details on compatible combinations of CPU Units and Expansion I/O Units.
Other Functions
Note: Not displayed for V2 CPU Units except for Units with Communications.
Item 8E1 type 4E/8E type
Model Unit with 8 I/O Points Units with 4 input, 4 output, or 8 I/O points
AC inputs Input impedance 680 kΩ 83 kΩ
Isolation No isolation Photocoupler
Input common Internally connected to power supply terminal Independent common terminal
DC inputs Input voltage 10.8 to 28.8 VDC 20.4 to 26.4 VDC
Input impedance 6.5 kΩ 4.7 kΩ
Isolation ZEN-8E1DR: No isolation
ZEN-8E1DT: Photocoupler
Photocoupler
ON voltage 8 VDC min. 16 VDC min.
Input common ZEN-8E1DR: Internally connected to power supply
terminal
ZEN-8E1DT: Independent common terminal
Independent common terminal
Control output Relay outputs 8 A per output
Total for all outputs must be as follows:
Units with 10 I/O Points: 20 A max.
Units with 20 I/O Points: 40 A max.
8 A per output
Transistor outputs 28.8 V max. 26.4 V max.
Mounting screws M3 (mounting holes on DIN Track hooks) M4 (mounting holes on Unit)
Connectable CPU Unit V2 CPU Units (See note.) V1 or Pre-V1 CPU Units
Dimensions (H × W × D) 90 × 35 × 56 mm 90 × 70 × 56 mm
Case structure No heat slits Heat slits
Item V2 Units V1 Units Pre-V1 Units
Bits Timer operation ON-delay, OFF-delay, one-shot pulse, flushing
pulse, twin timer operation
ON-delay, OFF-delay, one-shot pulse, flushing
pulse
Weekly timer
operation
Timer operation, multiple-day operation, pulse-
output operation
Timer operation
Addition of bits 8-digit counter (1 counter, up to 150 Hz)
8-digit comparators (4 comparators)
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Daylight Saving Time (DST) Setting Manual, EU, US.
Australia, New Zealand
Manual, EU, US
Items set for password Ladder program editing
Program all clear
Ladder monitoring
Password change/clear
Backlight shut-off time
Input filter settings
Node number setting (See note.)
Ladder program editing
Ladder monitoring
Password change/clear
Backlight shut-off time
Input filter settings
Node number setting
LCD contrast adjustment Not possible Possible
Menus Node number
setting window
Node number setting window deleted (except for
Units with communications).
Node number setting window displayed.
Modem
initialization
window
Modem initialization window deleted (except for
Units with communications).
Modem initialization window displayed.
RS-485 communications Models added with communications.
ZEN-10C4@R-@-V2
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Economy-type CPU Units Economy-type models added.
ZEN-@C3@R-@-V2
Expansion I/O Units cannot be connected.
Other functions are the same as the standard LCD
models.
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