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Item
DC inputs
Input impedance
I4 to I5
ON voltage
(See note 2.)
OFF voltage
Analog inputs
Input impedance
I4 to I5
Accuracy
(See note 2.)
Control
Relay outputs
outputs
Transistor outputs 28.8 V max.
Timing accuracy of weekly and
calendar timers
Mounting direction
Terminal block tightening torque
Connectable Expansion I/O Units
Case structure
Note: 1. Units with 20 I/O Points: I0 to I9
2. Units with 20 I/O Points: Ia to Ib
3. Refer to page 32 for details on compatible combinations of CPU Units and Expansion I/O Units.
Expansion I/O Units
Item
Model
AC inputs
Input impedance
Isolation
Input common
DC inputs
Input voltage
Input impedance
Isolation
ON voltage
Input common
Control output Relay outputs
Transistor outputs
Mounting screws
Connectable CPU Unit
Dimensions (H × W × D)
Case structure
Note: Refer to page 32 for details on compatible combinations of CPU Units and Expansion I/O Units.
30
Programmable Relay
V2 Units
5.2 to 5.5 k Ω
8 VDC min.
3 VDC max.
100 k Ω min.
± 1.5% FS (at ambient operating temperature within
rated range)
8 A per output
Total for all outputs must be as follows:
Units with 10 I/O Points: 20 A max.
(15 A max. for Communications-type CPU Units)
Units with 20 I/O Points: 40 A max.
± 15 s or less per month (at 25 ° C)
Standard (vertical) installation and horizontal installation Standard (vertical) installation
0.565 to 0.6 N·m (5 to 5.3 in-lb)
ZEN-8E1@ (See note 3.)
No heat slits
8E1 type
Unit with 8 I/O Points
680 k Ω
No isolation
Internally connected to power supply terminal
10.8 to 28.8 VDC
6.5 k Ω
ZEN-8E1DR: No isolation
ZEN-8E1DT: Photocoupler
8 VDC min.
ZEN-8E1DR: Internally connected to power supply
terminal
ZEN-8E1DT: Independent common terminal
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.
28.8 V max.
M3 (mounting holes on DIN Track hooks)
V2 CPU Units (See note.)
90 × 35 × 56 mm
No heat slits
ZEN V2 Units
V1 Units
5 k Ω
16 VDC min.
5 VDC max.
150 k Ω min.
± 10% FS (at ambient operating temperature
within rated range)
8 A per output
26.4 V max.
± 2 min per month
0.5 to 0.6 N·m
ZEN-4E@ and ZEN-8E@
Heat slits
4E/8E type
Units with 4 input, 4 output, or 8 I/O points
83 k Ω
Photocoupler
Independent common terminal
20.4 to 26.4 VDC
4.7 k Ω
Photocoupler
16 VDC min.
Independent common terminal
8 A per output
26.4 V max.
M4 (mounting holes on Unit)
V1 or Pre-V1 CPU Units
90 × 70 × 56 mm
Heat slits
Pre-V1 Units
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