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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

Summary of Contents for ZEN V2 -

Page 1: ...racy 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...

Page 2: ...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...

Page 3: ...unications 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 func...

Page 4: ...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...

Page 5: ...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...

Page 6: ...ata 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 Se...

Page 7: ...R 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 ZE...

Page 8: ...le time of the program See page 21 Insulation resistance 20 M at 500 VDC min Between power supply terminals and all output terminals Between terminals of different output circuits Between all terminal...

Page 9: ...ostatic 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...

Page 10: ...Analog Inputs Input range 0 to 10 V External input impedance 100 k 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...

Page 11: ...ent 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...

Page 12: ...O Points and Expansion I O Units Connecting Expansion I O Units with DC Inputs Note When connecting Expansion I O Units with DC inputs to a CPU Unit with an AC power supply the burst noise immunity w...

Page 13: ...may not be reset or unstable output operations may result CPU Units with 10 I O Points For Connections to Negative Common PNP Connection COM CPU Unit with 10 I O points Input device 12 to 24 VDC For...

Page 14: ...tputs do not need to be connected to a power supply For Connections to Negative Common For Connections to Positive Common COM I5 I6 NC I7 I8 I9 Ia Ib I0 I1 I2 I3 I4 CPU Unit with 20 I O points Input d...

Page 15: ...s with 20 I O points outputs Q0 to Q3 in the transistor output circuits have independent circuits and outputs Q4 to Q7 have 2 points per common The terminals of output Q0 to Q3 have polarity given on...

Page 16: ...See note 2 Do not remove this cover until connecting an Expansion Unit Left side Front Right side Display screen Power supply terminals Input terminals Output terminals Battery Unit connector Remove...

Page 17: ...s Changes to connection line write mode Inserts a line B7 ON Up Moves the cursor up and down Moves the cursor up and down Selects bit types and functions Moves the cursor up and down Changes numerals...

Page 18: ...this cover until connecting an Expansion Unit LED indicators Front Left side Right side Power supply terminals Input terminals Output terminals Battery Unit connector Remove the seal to connect the B...

Page 19: ...g pulse timer W Twin timer Holding timers 0 to 7 8 Hold the present value being counted even if the trigger input or power supply is turned OFF and continue timing when the trigger input or power is r...

Page 20: ...n alarm circuit W Twin timer Repeatedly turns ON and OFF in a set cycle while the trigger input is ON Independent ON and OFF time settings are possible Basic Operation Main Applications Useful for int...

Page 21: ...speed Operation H High speed The counter bit turns ON when the counter value present value reaches the set value present value set value The counter returns to 0 and the counter bit turns OFF when th...

Page 22: ...put operation Every week from Tuesday through Friday the weekly timer bit turns ON for 15 minutes and thirty seconds from 08 15 Q0 Q1 TT0 Q2 00 01 02 03 04 I0 I1 I2 Q0 I3 I4 0 P0 T0 Ladder program exe...

Page 23: ...to display function screen See note 2 Display start position X digit 00 to 11 Y line 0 to 3 Display object CHR Characters Up to 12 characters English numerals symbols DAT Month day 5 digits CLK hour...

Page 24: ...type CPU Units The ZEN has a password function to prevent incorrect manipulation of ladder programs or settings data by other operators When the password 0000 to 9999 is set the following operations...

Page 25: ...tus can be monitored from the Support Software by connecting to the ZEN using a Connecting Cable ZEN CIF01 Simulating Ladder Programs The simulation function makes it possible to check whether correct...

Page 26: ...0 4 7 Sliding 13 max 60 112 5 80 Two M4 4 5 5 5 45 44 56 45 44 56 Unit Mounting Holes Mounting Hole Dimensions Note Use M4 screws for mounting The dimensions in parentheses refer to models with 20 I O...

Page 27: ...45 97 97 90 7 6 7 6 54 17 5 44 90 2 2 Two 3 5 dia 35 Two M3 DIN Track Hook Using Slide Mounting Hole Dimensions ZEN 8E1 90 70 56 45 44 60 4 7 Sliding 13 max 80 60 80 Two M4 Mounting Hole Dimensions Z...

Page 28: ...ess per month at 25 C Australia and New Zealand Daylight Saving Time DST settings have been added CPU Units with RS 485 communications and economic CPU Units have been added The heat slits in the case...

Page 29: ...nit with 10 I O Points Input devices 24 VDC COM COM wiring required Positive COM Wiring Input devices CPU Unit with 10 I O Points 24 VDC NC Analog inputs possible Input devices CPU Unit with 10 I O Po...

Page 30: ...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 h...

Page 31: ...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 initi...

Page 32: ...nected to Economy type CPU Units CPU Units Supported Expansion I O Units Version CPU Unit type Power supply Model V2 Standard LCD type LED type Communications type AC ZEN C1AR A V2 ZEN C2AR A V2 ZEN 1...

Page 33: ...ed to write the Memory Cassette System software version of CPU Unit used to read the Memory Cassette Ver 1 0 Ver 1 1 Ver 2 0 V1 CPU Units Ver 3 0 V2 CPU Units 10 I O points 20 I O points 10 I O points...

Page 34: ...er supply the burst noise immunity will be 1 kV IEC 61000 4 4 Expansion I O Units with AC inputs ZEN 8E1AR cannot be connected to a CPU Unit with a DC power supply System Startup and Program Changes C...

Page 35: ...t to possible exposure to radioactivity Power Supply Always turn OFF the power supply to the ZEN before attempting any of the following Assembling the ZEN Connecting or disconnecting any cables or wir...

Page 36: ...E FOR WARRANTY REPAIR OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED STORED INSTALLED AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION A...

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