CPU units

20

12

100 to 240 VAC

8

Relays

LCD

yes

–

–

Work bits (M)
Holding bits (H)
Timers (T)
Counters (C)
Weekly timers (☐)
LCD display (D)
Timer/counter
comparator (P)

Holding timers (#)
Button input (B)

90×122.5×56

ZEN-20C1AR-A-V2

Expandable up to 44 I/O

LED

–

–

–

ZEN-20C2AR-A-V2

12 to 24 VDC

LCD

yes

yes / 4

yes / 4

ZEN-20C1DR-D-V2

LED

–

yes / 4

yes / 4

ZEN-20C1DR-D-V2

Transistors

LCD

yes

yes / 4

yes / 4

ZEN-20C1DT-D-V2

LED

–

yes / 4

yes / 4

ZEN-20C2DT-D-V2

Fixed I/O

100 to 240 VAC

Relays

LCD

yes

–

yes / 4

ZEN-20C3AR-A-V2

12 to 24 VDC

LCD

yes

yes / 4

yes / 4

ZEN-20C3DR-D-V2

Power supply voltage

100 to 240 VAC, 50/60 Hz

12 to 24 VDC (DC ripple rate: 5%)

Rated power supply voltage

85 to 264 VAC

10.8 to 28.8 VDC

Power consumption

11 VA max.

5 W max.

Inrush current

4 A max.

30 A max.

Ambient temperature

0°C to 55°C (-25°C to 55°C for ZEN-20C2 models (LED))

Ambient storage

-20°C to 55°C (-40°C to 75°C for ZEN-20C2 models (LED))

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)

LCD display

12 characters x 4 lines, with backlight (LCD-type CPU unit only)

Operation keys

8 (4 cursor keys and 4 operation keys) (LCD-type CPU unit only)

Super-capacitor holding time

2 days min. (25°C)

Battery life (ZEN-BAT01)

10 years min. (25°C)

Calendar & Clock function

Accuracy: ±15 s/month (at 25°C) if applicable

Memory Cassette

EEPROM (for data security and copying)

ZEN-ME01

Battery unit

Battery (keeps time, date and bit values for 10 years at 25°C)

ZEN-BAT01

Connecting Cable

For the programming software, RS-232C cable, 9-way `D’ connector for PC

ZEN-CIF01

USB-Serial conversion cable

USB-Serial conversion cable (to be used in combination with ZEN-CIF01)

CS1W-CIF31

ZEN support software

Runs on Windows ME, 2000, XP, NT4.0 Service Pack 3, Vista

ZEN-SOFT01-V4