Omron ZEN-20C1AR-A-V2, ZEN-10C1AR-A-V2, ZEN-10C1DR-D-V2, ZEN-10C1DT-D-V2, ZEN-20C1DR-D-V2 Datasheet

Programmable Relay ZEN V2 Units 1

Programmable Relay

ZEN V2 Units

Please read and understand this catalog before purchasing the
products. Please consult your OMRON representative if you have any
questions or comments. Refer to “Warranty and Application
Considerations” on page 36, and “Precautions for Safe Use” on page 34.

Even Broader Applications with Increased
Functionality and Higher Precision

• Increased functionality in a compact body (70 mm wide × 90 mm

high).

• Easy programming is available using the LCD and operation
buttons. (See note 1.)

• This single Unit easily provides relay, timer, counter, and time
switch functions.

• Expansion is easy with Expansion I/O Units, allowing up to 44
I/O points. (See note 2.)

• Economy-type and Communications-type CPU Units have been
added to series.

• Improved Weekly Timers (See note 1.)
Increased timing accuracy with a monthly deviation of ±15 s
max. Multiple-day operation and pulse output operation have
been added.

• Select from two power supply options:
100 to 240 VAC or 12 to 24 VDC.

Note: 1. Not supported for ZEN-@C2@@-@-V2 models.

2. When using CPU Units with 20 I/O points.

The information in this document applies to V2 Units.
Refer to page 28 for details on differences with previous
products.

Features

■ Easy and Simple Programming for Automatic Small-scale Control

Saves Space, Wiring, and Installation Steps

• Versatile functionality in a compact body (70 mm wide × 90 mm

high).

• This single Unit easily provides relay, timer, counter, and time
switch functions. Wiring work is greatly reduced because separate
wiring is not required for devices such as timers and counters.

Easy Programming

The LCD screen comes with 8 operation buttons on the front panel to
enable programming in ladder view format. The LCD screen also has
a backlight, making it easier to see when the ZEN is used in dark
locations.

Note: Not supported for ZEN-@C2@@-@-V2 models.

90 mm

70 mm

2 Programmable Relay ZEN V2 Units

Flexible Expansion Enables Up to 44 I/O
Points

Up to three Expansion I/O Units can be connected if there are not
enough I/O points. Expansion I/O Units are only 35 mm wide.

Note: CPU Units with 10 I/O points can be expanded to 34 I/O points.

Expansion I/O Units cannot be connected to Economy-type
CPU Units.

Support Software with Simulation Function

• Programs can be easily written, saved, and monitored by personal

computer.

• Programs can be simulated on the personal computer without
connecting to the ZEN.

Note: For notebook computers that do not have an RS-232C serial

port, connect the computer to the ZEN by connecting an
OMRON CS1W-CIF31 USB-Serial Conversion Cable to the
ZEN-CIF01 Connecting Cable.

Other Versatile Functions

• Use of a Memory Cassette makes it easy to copy and save

programs.

• Equipped with two analog input channels (CPU Units with DC
power supply only).

• Password function ensures security. (See note.)

• Multi-language display in six languages (English, Japanese,

German, French, Spanish, Italian). (See note.)

• Display user-set messages or analog-converted values. (See note.)

Note: Not supported for ZEN-@C2@@-@-V2 models.

■ Enhanced Features of V2 CPU Units

Improved Weekly Timer and Calendar Timer
Functions

Note: Not supported for ZEN-@C2@@-@-V2 models.

• The time precision has been increased.

Conventional model: 2-min difference/month

↓

-V2 models: ±15-s difference/month (at 25°C)

• Multiple-day operation and pulse-output operation are now
possible.

• These improved functions are convenient for time-controlled
applications such as lighting and air conditioning control.

Economy-type Added to the Series

• Economy-type CPU Units with a more affordable price have been

added to the series, although Expansion I/O Units cannot be
added.

12 to 24 VDC Line Voltage Operation

Operation is now possible with 12 VDC.

Expansion I/O Units have been reduced to
half-size (35 mm wide).

RS-485 Communications Model Added to
Series

Production line conditions can be remotely monitored by monitoring
the ZEN control status.

More Precise Analog Input

Conventional model: ± 10% FS → -V2 models: ± 1.5% FS
DC power supply models are equipped with two analog inputs (0 to
10 V). There are four analog comparators. The increased precision
makes it even easier to use the Unit in simple control applications
with voltage, current, temperature, and other analog values.

8-digit Counter, 150-Hz Counter

• An 8-digit counter and 8-digit comparator have been added.

• The maximum count for DC power supply models is 150 Hz.

Twin-timer Operation Added

Twin-timer operation allows you to set ON and OFF times separately,
greatly simplifying intermittent operation.

Lighting control Air conditioning control

Office

Production line

Programmable Relay ZEN V2 Units 3

■ Series Configuration

CPU Units

Power supply voltage: 100 to 240 VAC, 12 to 24 VDC, Output: Relay, transistor output

With LCD display, operation buttons, and calendar/clock function LED type

10 I/O points

Standard LCD type Economy type Standard LCD type Economy type

Communications type

20 I/O points

10 I/O points 20 I/O points

ZEN-10C1@ ZEN-10C3@ ZEN-10C4@ ZEN-20C1@ ZEN-20C3@

ZEN-10C2@

(10 I/O points)

ZEN-20C2@

This CPU Unit has no LCD,
operation buttons, or
calendar/clock function.

Expansion I/O Units
cannot be connected.

Expansion I/O Units
cannot be connected.

RS-485 communications
type.

E

xpansion

I/O Uni

ts

Only 35-mm wide.
4 input, 4 output points

P

ower Supply Unit

Same shape and design as ZEN.
24 VDC, 30 W

S

upport Software

Allows easy programming and
operation simulation.

4 Programmable Relay ZEN V2 Units

Model Number Structure

■ Model Number Legend

Note: This model number legend includes combinations that are not available.

Please check “List of Models” for availability.

CPU Units

1. Number of I/O points

10: 6 inputs and 4 outputs (See note.)
20: 12 inputs and 8 outputs

2. Type classifier

1: Standard LCD type with display
2: LED type without display
3: Economy type with display

(Expansion I/O Units cannot be connected.)

4: Communications type with display

3. Input type

A: AC input
D: DC input

4. Output type

R: Relay
T: Transistor

5. Supply voltage

A: AC power supply
D: DC power supply

Note: The Communications-type CPU Unit has 6 inputs and 3 outputs.

Expansion I/O Units

1. Number of I/O points

8: 4 inputs and 4 outputs

2. Unit version classifier

E1: Can connect to V2 CPU Units (See note.)

3. Input type

A: AC input
D: DC input

4. Output type

R: Relay
T: Transistor

Note: Use a ZEN-8E@@/-4E@ to connect to pre-V1 and V1 CPU Units.

ZEN-@C@@@-@-V2

1

234 5

ZEN-8E1@@

1

234

This data sheet is provided as a guideline for selecting products. Be sure to refer to the following user manuals for application precautions
and other information required for operation before attempting to use the product.

ZEN Operation Manual (Cat. No. Z211)

ZEN Communications Manual (Cat. No. Z212)

ZEN Support Software Operation Manual (Cat. No. Z184-E1-03)

The PDF versions of these manuals can be downloaded from the following website.

ZEN Website http://www.zen.omron.co.jp/eng/index.html

Programmable Relay ZEN V2 Units 5

Ordering Information

■ List of Models

CPU Units and Expansion I/O Units

Note: 1. Programming is not possible using only the CPU in the LED-type CPU Unit. ZEN Support Software or a Memory Cassette is required.

2. Cannot be connected to pre-V1 and V1 CPU Units.

3. The ZEN-8E1AR cannot be connected to a CPU Unit with DC power supply.

Power Supply Unit

Note: Refer to the ZEN-PA03024 Datasheet (Cat. No. L103) for detailed specifications.

Unit Name No. of

I/O

points

LCD

display

Powe r supp ly

voltage

Inputs Outputs Buttons,

calendar,

and clock

Analog

input

Model

CPU
Units

Standard
LCD type

10 Yes 100 to 240 VAC 6 100 to 240 VAC 4 Relays Yes No ZEN-10C1AR-A-V2

12 to 24 VDC 12 to 24 VDC Yes ZEN-10C1DR-D-V2

Transistors ZEN-10C1DT-D-V2

20 100 to 240 VAC 12 100 to 240 VAC 8 Relays No ZEN-20C1AR-A-V2

12 to 24 VDC 12 to 24 VDC Yes ZEN-20C1DR-D-V2

Transistors ZEN-20C1DT-D-V2

LED type
without
display
(See note 1.)

10 No 100 to 240 VAC 6 100 to 240 VAC 4 Relays No No ZEN-10C2AR-A-V2

12 to 24 VDC 12 to 24 VDC Yes ZEN-10C2DR-D-V2

Transistors ZEN-10C2DT-D-V2

20 100 to 240 VAC 12 100 to 240V AC 8 Relays No ZEN-20C2AR-A-V2

12 to 24 VDC 12 to 24 VDC Yes ZEN-20C2DR-D-V2

Transistors ZEN-20C2DT-D-V2

Economy
type
(Expansion
I/O Units
cannot be
connected)

10 Yes 100 to 240 VAC 6 100 to 240 VAC 4 Relays Yes No ZEN-10C3AR-A-V2

12 to 24 VDC 12 to 24 VDC Yes ZEN-10C3DR-D-V2

20 100 to 240 VAC 12 100 to 240 VAC 8 Relays No ZEN-20C3AR-A-V2

12 to 24 VDC 12 to 24 VDC Yes ZEN-20C3DR-D-V2

Communica­tions type

10 100 to 240 VAC 6 100 to 240 VAC 3 Relays No ZEN-10C4AR-A-V2

12 to 24 VDC 12 to 24 VDC Yes ZEN-10C4DR-D-V2

ZEN Kit Set containing CPU Unit (ZEN-10C1AR-A-V2), Connecting Cable, ZEN Support Software, and manual. ZEN-KIT01-EV4

Set containing CPU Unit (ZEN-10C1DR-D-V2), Connecting Cable, ZEN Support Software, and manual. ZEN-KIT02-EV4

Expansion I/O Units 8 --- 100 to 240 VAC 4 100 to 240 VAC 4 Relays --- ZEN-8E1AR

(See notes 2, 3.)

12 to 24 VDC 12 to 24 VDC ZEN-8E1DR

(See note 2.)

---

Transistors ZEN-8E1DT

(See note 2.)

Power ratings Input voltage Output voltage Output current Model

30 W 100 to 240 VAC 24 VDC 1.3 A ZEN-PA03024

6 Programmable Relay ZEN V2 Units

Accessories (Order Separately)

Note: 1. Memory Cassettes created using a CPU Unit can be read to other CPU Units, regardless of which model is used. Restrictions, apply, however, to

the functions that can be used, depending on the CPU Unit version combination. For details, refer to “Memory Cassette and CPU Unit
Combinations” on page 33.

2. Standard LCD-type, Economy-type, and Communications-type CPU Units (i.e., excluding ZEN-@C2@@-@-V2 models).

3. LED-type CPU Unit without display (i.e., ZEN-@C2@@-@-V2 models).

Mounting Accessories (Order Separately)

System Configuration

Note: 1. Up to 3 Expansion I/O Units can be connected to any type of CPU Unit except for Economy-type CPU Units. Expansion I/O Units with AC Inputs,

however, cannot be connected to CPU Units with DC Power Supplies.

2. The Connecting Cable and Memory Cassette cannot be connected to the ZEN at the same time.

3. Programs cannot be written to LED-type CPU Units (i.e., ZEN-@C2@@-@-V2 models) without the ZEN Support Software or a Memory Cassette.

Name Specifications Remarks Model

Memory Cassette EEPROM (for data

security and copying)

Enables programs and parameter settings to be saved or copied to another
ZEN. (See note 1.)

ZEN-ME01

LCD-type CPU Unit with
display (See note 2.)

LED-type CPU Unit without
display (See note 3.)

Transfer from ZEN to
Memory

Supported Not supported

Transfer from Memory
Cassette to ZEN

Supported Automatic transfer when

power turned ON

Memory Cassette
initialization

Supported Not supported

Connecting Cable 2 m RS-232C (9-pin D-

sub connector)

--- ZEN-CIF01

Battery Unit 10 years min. Battery life

(at 25

°C)

Ladder programs and parameter settings are saved to the CPU Unit EEP-ROM
but calendar, clock, and holding timer bits and holding timer/counter present
values are held by the capacitor. Therefore, if the power supply is interrupted
for 2 days or more (at 25°C), this data will be reset. Use a Battery Unit for
systems where the power supply may be interrupted for long periods.

ZEN-BAT01

ZEN Support
Software

Runs on Windows 95, 98,
2000, ME, XP, or NT 4.0.

Specifically designed for the ZEN (CD-ROM). ZEN-SOFT01-V4

Name Specifications Model

Mounting Track 50 cm (l)

× 7.3 mm (t) PFP-50N

1 m (l)

× 7.3 mm (t) PFP-100N

1 m (l)

× 16 mm (t) PFP-100N2

End Plate PFP-M

Spacer PFP-S

CPU UnitPower Supply Unit

Connecting Cable

Support Software

Memory Cassette

Battery Unit

Expansion I/O Units

Programmable Relay ZEN V2 Units 7

Specifications

■ Ratings

Note: 1. Can be mounted to 35-mm DIN Track.

2.

Item Specification

ZEN-@C@AR-A-V2/ZEN-8E1AR ZEN-@C@D@-D-V2/ZEN-8E1D@

Rated supply voltage 100 to 240 VAC, 50/60 Hz 12 to 24 VDC (DC ripple rate: 5% max.)

Operating voltage range 85 to 264 VAC 10.8 to 28.8 VDC

Power consumption CPU Units without Expansion I/O Units

• ZEN-10C1AR-A-V2/ZEN-10C2AR-A-V2/

ZEN-10C3AR-A-V2
100 V AC: 5 VA max.
240 V AC: 7 VA max.

• ZEN-10C4AR-A-V2
100 V AC: 6 VA max.
240 V AC: 8 VA max.

• ZEN-20C@AR-A-V2
100 V AC: 7 VA max.
240 V AC: 10 VA max.

CPU Units with three Expansion I/O Units

• ZEN-10C1AR-A-V2/ZEN-10C2AR-A-V2
100 V AC: 6 VA max.
240 V AC: 8 VA max.

• ZEN-10C4AR-A-V2
100 V AC: 7 VA max.
240 V AC: 9 VA max.

• ZEN-20C@AR-A-V2
100 V AC: 8 VA max.
240 V AC: 11 VA max.

Expansion I/O Units

• ZEN-8E1AR
100 V AC: 3 VA max.
240 V AC: 4 VA max.

CPU Units without Expansion I/O Units

• ZEN-10C@DR-D-V2

12/24 V DC: 3 W max.
(ZEN-10C3DR-D-V2: 2.8 W max.)

• ZEN-10C@DT-D-V2

12/24 V DC: 2 W max.

• ZEN-20C@DR-D-V2

12/24 V DC: 4 W max.

• ZEN-20C@DT-D-V2

12/24 V DC: 2 W max.

CPU Units with three Expansion I/O Units

• ZEN-10C@DR-D-V2

12/24 V DC: 4 W max.

• ZEN-10C@DT-D-V2

12/24 V DC: 3 W max.

• ZEN-20C@DR-D-V2

12/24 V DC: 5 W max.

• ZEN-20C@DT-D-V2

12/24 V DC: 3 W max.

Expansion I/O Units

• ZEN-8E1DR
12/24 V DC: 2 W max.

Inrush current ZEN-10C@AR-A-V2: 4.5 A max.

ZEN-20C@AR-A-V2: 4.5 A max.
ZEN-8E1AR: 4 A max.

ZEN-10C@D@-D-V2: 30 A max.
ZEN-20C@D@-D-V2: 30 A max.
ZEN-8E1DR: 15 A max.

Ambient temperature 0 to 55

°C (−25 to 55°C for ZEN-@C2@@-@-V2 models)

Ambient storage temperature

−20 to 75°C (−40 to 75°C for ZEN-@C2@@-@-V2 models)

Ambient humidity 10% to 90% (with no condensation)

Ambient conditions No corrosive gases

Mounting method Surface mounting, DIN track mounting (standard (vertical) installation and horizontal installation) (See notes 1

and 2.)

Ter m ina l bl ock Solid-line terminal block (use solid wire or fine-stranded wire)

Terminal screw tightening
torque

0.565 to 0.6 N·m (5 to 5.3 in-lb)

Degree of protection IP20 (Mounted inside a control panel)

Standard (Vertical) installation

Horizontal installation

8 Programmable Relay ZEN V2 Units

■ Characteristics

Note: 1. Up to 34 points for CPU Units with 10 I/O points. With Communications-type CPU Units, however, the CPU Unit has 6 inputs and 3 outputs, for a maximum

of 33 I/O points.

2. Not provided for LED-type CPU Unit without display (i.e., ZEN-@C2@@-@-V2 models).

■ Communications Specifications (Communications-type CPU Units)

Item Specification

Control method Stored program control

I/O control method Cyclic scan

Programming language Ladder diagram

Program capacity 96 lines (3 input conditions and 1 output per line)

Max. No. of control I/O points 44 points (See note 1.)

CPU Units with 20 I/O points: 12 inputs and 8 outputs
Expansion I/O Units: 4 inputs and 4 outputs each, up to 3 Units.

LCD display (See note 2.) 12 characters

× 4 lines, with backlight

Operation buttons (See note 2.) 8 (4 cursor buttons and 4 operation buttons)

User program backup Internal EEPROM, Memory Cassette (optional)

Power interruption hold Internal holding bit status, holding timer/counter present values, calendar and clock (year, month, day of month,

day of week, time)

• Super capacitor backup time: 2 days min. (25

°C)

• Life of optional battery: 10 years min. (25

°C)

Calendar and clock function
(See note 2.)

Accuracy:

±15 s/month (at 25°C)

Timer accuracy 0.01 s unit:

−0.05% −10 ms max. (rate for set value)

min/s unit:

−0.05% −1 s max. (rate for set value)

h/min unit:

−0.05% −1 min max. (rate for set value)

Maximum counting speed 150 Hz: 8-Digit counter (F) set to high-speed operations (CPU Units with DC power supplies only)

(The counting speed may be less than 150 Hz depending on the cycle time of the program. See page 21.)

Insulation resistance 20 M

Ω (at 500 VDC) min.:

Between power supply terminals and all output terminals.
Between terminals of different output circuits.
Between all terminals of CPU Unit and all terminals of Expansion I/O Unit.

Insulation • Reinforced insulation

Between power supply or input terminals and output terminals.
Between terminals of different output circuits.
Between all terminals of CPU Unit and all terminals of Expansion I/O Unit.

• No separation
Between power supply and input terminals of the same unit.
Between power supply terminals of CPU Unit and computer connector,
Battery Unit connector, or all Expansion Unit connectors (all interfaces are live parts).

Dielectric strength 2,300 VAC, 50/60 Hz for 1 min (leakage current 1 mA max.):

Between power supply terminals and all output terminals.
Between terminals of different output circuit.
Between all terminals of CPU Unit and all terminals of Expansion I/O Unit.

Vibration resistance

Conforms to IEC60068-2-6, 5 to 9 Hz with 3.5-mm single amplitude, 9 to 150 Hz acceleration 9.8 m/s

2

,

10 sweeps each in X, Y, and Z directions (1 octave/min)

Shock resistance

Conforms to IEC60068-2-27, 147 m/s

2

, 3 times each in X, Y, and Z directions.

Weight CPU Unit with 10 I/O points: Approx. 300 g max.

CPU Unit with 20 I/O points: Approx. 350 g max.
Expansion I/O Unit: Approx. 120 g max.

Item ZEN-10C4@R-@-V2

Communications RS-485 (two-wire, half duplex)

Synchronization method Start-stop synchronization

Baud rate 4800, 9600, or 19200 bps

Transmission code ASCII

Data bit length 7 or 8 bits

Stop bit length 1 or 2 bits

Error detection Vertical parity (none, even, odd), Block check character (BCC)

Flow control None

Interface RS-485

Retry function None

Node number 0 to 99 (default: 1), XX (broadcasting)

Programmable Relay ZEN V2 Units 9

■ Approved Standards

Note: EMC conforms to EN 61131-2 clause 8 except in the following cases.

• When Expansion I/O Units with DC inputs are connected to a CPU Unit with an AC power supply, the burst immunity between power

supplies will be 1 kv.

• When the signal wire for transistor outputs exceeds 10 m, the surge immunity of DC output signal lines will not conform.

■ Input Specifications

CPU Units

AC Inputs (Not Isolated)

Note: Can be selected using the filter settings.

DC Inputs: I0 to I3 for Units with 10 I/O points, I0 to I9 for Units with 20 I/O Points (Not Isolated)

Note: Can be selected using the input filter settings, except when I0 is being used for an 8-digit counter with a high-speed input.

Item Specification

Safety standards cULus: UL508/CSA C22.2 No.142 Class I Div2

Conforms to EN/IEC 61131-2 clause 11, excluding 11.7.2.2 (Overvoltage category 2 and Pollution degree II
conforms to IEC 60664-1)

EMC
(See note.)

Radiation Field Emission CISPR11 Class A, Group 1
Noise Terminal Voltage Emission CISPR11 Class A, Group 1

Electrostatic Discharge Immunity IEC61000-4-2 In air: 8 kV, In contact: 6 kV
Electromagnetic Field Immunity IEC61000-4-3 10 V/m
Electrical Fast Transient/Burst Immunity IEC61000-4-4 Power line

AC I/O: 2 kV
DC I/O: 1 kV

Surge Immunity IEC61000-4-5 Normal Noise

AC power supply, AC I/O: 1 kV
DC power supply, DC I/O: 0.5 kV

Common Noise

AC power supply, AC I/O: 2 kV
DC power supply: 1 kV
DC I/O: 0.5 kV

Immunity to Conducted Disturbances Induced by Radio-frequency Fields

IEC61000-4-6 3 V

Momentary Power Interruption Immunity IEC61131-2 CPU Units with AC Power Supplies:

10 ms max.
CPU Units with DC Power Supplies:
2 ms max. (level: PS1)

Item Specifications Circuit drawing

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 time 50 ms or 70 ms at 100 VAC (See note.)

100 ms or 120 ms at 240 VAC (See note.)

OFF response time

Item Specifications Circuit drawing

Input voltage 12 to 24 VDC +20%,

−10%

Input impedance 5.3 k

Ω

Input current 4.5 mA (typ.)/24 VDC

ON voltage 8 VDC min.

OFF voltage 5 VDC max.

ON response time 15 ms or 50 ms (See note.)

OFF response time

100 to 240 VAC

N

L

IN

IN

330 kΩ 300 kΩ

51 kΩ

Internal
circuit

12 to 24 VDC

5.1 kΩ 1.8 kΩ

IN

IN

COM

Internal
circuit

10 Programmable Relay ZEN V2 Units

DC Inputs: I4 and I5 for Units with 10 I/O points, Ia and Ib for Units with 20 I/O Points
(Not Isolated)

Note: Can be selected using the input filter settings.

Expansion I/O Units

AC Inputs (Not Isolated)

Note: Can be selected using the input filter settings.

DC Inputs (ZEN-8E1DR: Not Isolated, ZEN-8E1DT: Photocoupler Isolated)

Note: 1. Can be selected using the input filter settings.

2. The ZEN-8E1DT has no +/- terminals. There is no need to supply power.

Item Specifications Circuit drawing

DC Inputs Input voltage 12 to 24 VDC +20%,

−10%

Input impedance PNP: 5.5 k

Ω/14 VDC min.

100 k

Ω/14 VDC max.

NPN: 5.2 k

Ω

Input current PNP: 4.3 mA (typ.)/24 VDC

NPN: 4.6 mA (typ.)/24 VDC

ON voltage 8 VDC min.

OFF voltage 3 VDC max.

ON response time 15 ms or 50 ms (See note.)

OFF response time

Analog
Inputs

Input range 0 to 10 V

External input
impedance

100 k

Ω min.

Resolution 0.1 V (1/100 FS)

Accuracy

±1.5% FS (at ambient operating temperature within

rated range)

AD conversion data 0 to 10.5 V (in increments of 0.1 V)

12 to 24 VDC

IN

COM

6.2 kΩ

220 kΩ

5.6 kΩ

150 kΩ

47 kΩ

47 kΩ

27 kΩ

−

+

Internal

circuit

Analog voltage

output device

Item Specifications Circuit drawing

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 time 50 ms or 70 ms at 100 VAC (See note.)

100 ms or 120 ms at 240 VAC (See note.)

Off response time

Item Specifications Circuit drawing

Input voltage 12 to 24 VDC +20%,

−10%

Input impedance 6.5 k

Ω

Input current 3.7 mA (typ.)/24 VDC

ON voltage 8 VDC min.

OFF voltage 5 VDC max.

ON response time 15 ms or 50 ms (See note 1.)

OFF response time

IN

IN

100 to
240 VAC

N

L

330 kΩ

51 kΩ

300 kΩ

Internal

circuit

12 to
24 VDC

6.2 kΩ

(See
note 2.)

1.8 kΩ

IN

IN

±

COM

Internal
circuit

Programmable Relay ZEN V2 Units 11

■ Output Specifications (CPU Units and Expansion I/O Units)

Units with Relay Outputs

Units with Transistor Outputs

Item Specifications Circuit drawing

Maximum switching capacity 250 VAC/8 A (resistive load: cos

φ = 1)

24 VDC/5 A (resistive load)
Use the following values for the total of all outputs.

CPU Units with 10 I/O points: 20 A max.
(15 A max. for Communications-type CPU Units)
CPU Units with 20 I/O points: 40 A max.
Expansion I/O Units: 20 A max.

Minimum switching capacity 5 VDC/10 mA (resistive load)

Relay life Electrical Resistive load: 50,000 times (cos

φ = 1)

Inductive load: 50,000 times (cos

φ = 0.4)

Mechanical 10 million times

ON response time 15 ms max.

OFF response time 5 ms max.

Item Specifications Circuit drawing

Maximum switching capacity 24 VDC +20%, 500 mA Each circuit is configured with an independent common

circuit

Leakage current 0.1 mA max.

Residual voltage 1.5 V max.

ON response time 1 ms max.

OFF response time 1 ms max.

Q0 to Q3/OUT0 to OUT3

Q4/Q6

COM

Q5/Q7

Models with
20 I/O points
only

L

L

L

Internal

circuit

1,000

300

100

10

02 4 6 810

Contact current (A)

30

50

500

250-VAC resistive load
24-VDC resistive load/
250-VAC inductive load
24-VDC inductive load
(t = 7 ms)

Life (× 10

3

)

The life under the worst conditions, of the output contacts used in
ZEN relay outputs is given in the above table. Guidelines for the
normal life of the relays are shown in the diagram on the right.

Life-test Curve (Reference Value)

Usage: 360 times/hour

Note: The switching capacity, switching durability, and applicable

load area when actually using the relay depend on the type of
load, environmental conditions, and switching conditions.
Therefore, be sure to confirm these conditions for the actual
machine before use.

Q0 to Q3/OUT0 to OUT3

Models with
20 I/O points
only

390 Ω

COM

Q4/Q6

Q5/Q7

28.8 VDC max.

28.8 VDC max.

L

L

L

L

1 kΩ

+

Internal
circuit