30 Programmable Relay ZEN V2 Units
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
Note: Refer to page 32 for details on compatible combinations of CPU Units and Expansion I/O Units.
DC inputs
I4 to I5
(See note 2.)
Input impedance 5.2 to 5.5 k
Ω 5 kΩ
ON voltage 8 VDC min. 16 VDC min.
OFF voltage 3 VDC max. 5 VDC max.
Analog inputs
I4 to I5
(See note 2.)
Input impedance 100 k
Ω min. 150 kΩ min.
Accuracy
±1.5% FS (at ambient operating temperature within
rated range)
±10% FS (at ambient operating temperature
within rated range)
Control
outputs
Relay outputs 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.
8 A per output
Transistor outputs 28.8 V max. 26.4 V max.
Timing accuracy of weekly and
calendar timers
±15 s or less per month (at 25°C) ±2 min per month
Mounting direction Standard (vertical) installation and horizontal installation Standard (vertical) installation
Terminal block tightening torque 0.565 to 0.6 N·m (5 to 5.3 in-lb) 0.5 to 0.6 N·m
Connectable Expansion I/O Units ZEN-8E1@ (See note 3.) ZEN-4E@ and ZEN-8E@
Case structure No heat slits Heat slits
Item V2 Units V1 Units Pre-V1 Units
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 k
Ω 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 k
Ω 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
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