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Programmable Relay

ZEN V2

ZEN V2

Even Broader Applications with Increased Functionality and Higher Precision

Primary Contents



Ratings

ItemSpecification
ZEN-[]C[]AR-A-V2/ZEN-8E1ARZEN-[]C[]D[]-D-V2/ZEN-8E1D[]
Rated supply voltage100 to 240 VAC, 50/60 Hz12 to 24 VDC (DC ripple rate: 5% max.)
Operating
voltage range
85 to 264 VAC10.8 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 currentZEN-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 temperature0 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 humidity10% to 90% (with no condensation)
Ambient conditionsNo corrosive gases
Mounting methodSurface mounting, DIN track mounting (standard (vertical) installation and horizontal installation)
(See notes 1 and 2.)
Terminal blockSolid-line terminal block (use solid wire or fine-stranded wire)
Terminal screw
tightening torque
0.565 to 0.6 Nm (5 to 5.3 in-lb)
Degree of protectionIP20 (Mounted inside a control panel)
ZENV2Units_Spec2

Characteristics

ItemSpecification
Control methodStored program control
I/O control methodCyclic scan
Programming languageLadder diagram
Program capacity96 lines (3 input conditions and 1 output per line)
Max. No. of control I/O points44 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 backupInternal EEPROM, Memory Cassette (optional)
Power interruption holdInternal 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 accuracy0.01 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 speed150 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 resistance20 MΩ (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.
InsulationReinforced 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 strength2,300 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 resistanceConforms to IEC60068-2-6, 5 to 9 Hz with 3.5-mm single amplitude, 9 to 150 Hz acceleration 9.8 m/s2,10 sweeps each in X, Y, and Z directions (1 octave/min)
Shock resistanceConforms to IEC60068-2-27, 147 m/s2, 3 times each in X, Y, and Z directions.
WeightCPU 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.

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)

ItemZEN-10C4[]R-[]-V2
CommunicationsRS-485 (two-wire, half duplex)
Synchronization methodStart-stop synchronization
Baud rate4800, 9600, or 19200 bps
Transmission codeASCII
Data bit length7 or 8 bits
Stop bit length1 or 2 bits
Error detectionVertical parity (none, even, odd), Block check character (BCC)
Flow controlNone
InterfaceRS-485
Retry functionNone
Node number0 to 99 (default: 1), XX (broadcasting)

Input Specifications

CPU Units

AC Inputs (Not Isolated)

ItemSpecificationsCircuit drawing
Input voltage100 to 240 VAC +10%, -15%, 50/60 Hz
Input impedance680 kΩ
Input current0.15 mA/100 VAC, 0.35 mA/240 VAC
ON voltage80 VAC min.
OFF voltage25 VAC max
ON response time50 ms or 70 ms at 100 VAC (See note.)
100 ms or 120 ms at 240 VAC (See note.)
OFF response time

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)

ItemSpecificationsCircuit drawing
Input voltage12 to 24 VDC +20%, -10%
Input impedance5.3 kΩ
Input current4.5 mA (typ.)/24 VDC
ON voltage8 VDC min.
OFF voltage5 VDC max.
ON response time15 ms or 50 ms (See note.)
OFF response time

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.

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

ItemSpecificationsCircuit drawing
DC Inputs
Input voltage12 to 24 VDC +20%, -10%
Input impedancePNP: 5.5 kΩ/14 VDC min.
100 kΩ/14 VDC max.
NPN: 5.2 kΩ
Input currentPNP: 4.3 mA (typ.)/24 VDC
NPN: 4.6 mA (typ.)/24 VDC
ON voltage8 VDC min.
OFF voltage3 VDC max.
ON response time15 ms or 50 ms (See note.)
OFF response time
Analog
Inputs
Input range0 to 10 V
External input impedance100 kΩ min.
Resolution0.1 V (1/100 FS)
Accuracy±1.5% FS (at ambient operating temperature within rated range)
AD conversion data0 to 10.5 V (in increments of 0.1 V)

Note: Can be selected using the input filter settings.

Expansion I/O Units

AC Inputs (Not Isolated)

ItemSpecificationsCircuit drawing
Input voltage100 to 240 VAC +10%, -15%, 50/60 Hz
Input impedance680 kΩ
Input current0.15 mA/100 VAC, 0.35 mA/240 VAC
ON voltage80 VAC min.
OFF voltage25 VAC max.
ON response time50 ms or 70 ms at 100 VAC (See note.)
100 ms or 120 ms at 240 VAC (See note.)
Off response time

Note: Can be selected using the input filter settings.

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

ItemSpecificationsCircuit drawing
Input voltage12 to 24 VDC +20%, -10%
Input impedance6.5 kΩ
Input current3.7 mA (typ.)/24 VDC
ON voltage8 VDC min.
OFF voltage5 VDC max.
ON response time15 ms or 50 ms (See note 1.)
OFF response time

Note:

1. Can be selected using the input filter settings.

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

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

Units with Relay Outputs

ItemSpecificationsCircuit drawing
Maximum switching capacity250 VAC/8 A (resistive load: cosΦ = 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 capacity5 VDC/10 mA (resistive load)
Relay lifeElectricalResistive load: 50,000 times (cosΦ = 1)
Inductive load: 50,000 times (cosΦ = 0.4)
Mechanical10 million times
ON response time15 ms max.
OFF response time5 ms max.

The life under the worst conditions, of the output contacts used in ZEN relay outputs is given in the above table.

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.

Units with Transistor Outputs

ItemSpecificationsCircuit drawing
Maximum switching capacity24 VDC +20%, 500 mA
Leakage current0.1 mA max.Each circuit is configured with an independent common circuit
Residual voltage1.5 V max.
ON response time1 ms max.
OFF response time1 ms max.

Caution: In the interenst of product improvement, specifications are subject to change without notice.