ZS-6720D
BCD/HEX 7SEG Display
User’s Manual

2nd ed.

Zenisu Keisoku,Inc.
Zip code: 183-0027
2-13-37, Honmachi, Fuchu, Tokyo, Japan
TEL: +81-(0)42-368-2126
FAX: +81-(0)42-364-0067
URL https://www.zenisu.co.jp/- 1 -1.Outline
ZS-6720D is a 4-digit 7SEG display compatible with BCD or HEX input.
It is possible to be selected from two types of data input method that are 4-digit parallel input
and digit serial input. Red is available as a color for display.

・ 4-digit parallel input method.

・ Digit serial input method
Digit serial BCD/ HEX input

4BCD/ HEX 7 SEG Display

1st Latch input
2nd Latch input
3 rd Latch input
4 th Latch input+VGND

ZS-6720DR（RED7 SEG）

2.Feature・ The range of the power input is from +4V to +24V.
・ The range of signal input voltage is from +3.3V to +24V.
・ 4-digit parallel input / digit serial input is selectable.
・ BCD/HEX input: positive / negative logic is selectable.
・ Latch input: positive / negative logic is selectable.
・ Decimal point position is possible to be set.

3.Specification
3.1. Power supply
・Power: DC+4V to DC+24V
・Current consumption: 20mA or less3.2. Input signal level
・Low level: 0.2V or less・High level: DC+3.3V to DC+24V
3.3. Display character size
・Height: 10.16mm
・Width: 5.57mm- 2 -654

N
23O
1

3.4. Internal DIP switch (SW1)4-digit parallel input / digit serial input
BCD / HEX mode
Decimal point position setting at BCD
Logical setting of Latch signal input
Logical setting of BCD / HEX data input
SW1123456Function
BCD / HEX input
Latch input
Decimal point position 0Decimal point position 1
BCD/HEX
Serial / Parallel

ONNegative
Negative

OFF
Positive
Positive

Decimal position 1 Decimal position 0ONONONOFFOFFONOFFOFFSee the table on the right
BCD
Digit sereial

HEX
ParallelLatch input

3.5. Connector pin assignment and data input timing（１） Paralel input mode
Data input≧200μs×102×101×100

441414119 17 15 13 11 920 18 16 14 12 10785634

128282+V×103
1≧200μs≧1ms

Zero supples

GND

Latch input

8282

Data input

×103 ×102 ×101 ×100

Data input

5634×101 Latch input+V
19 17 15 13 11 920 18 16 14 12 108 2

Data input

×10 Latch input

×100 Latch input

782

4 1×10 Latch input（2） Digit serial input mode
≧200μs ≧200μs
≧1ms

1
2

Latch input0
Latch input1

Data input

3

Zero supples

GND

Latch input2
Latch input3
Data input

1st digit

2nd digit(3) Connector pin
１st pin mark- 3 -3rd digit

4th digit

Position
XXX．X
XX．XX
X．XXXNone3.6. Display characterData
8 4 2 1Display
BCD
HEX

0 0 0 00 0 0 10 0 1 00 0 1 10 1 0 00 1 0 10 1 1 00 1 1 1
1 0 0 01 0 0 11 0 1 01 0 1 1BLANK

1 1 0 0

BLANK

1 1 0 1BLANK

1 1 1 0

BLANK

1 1 1 1BLANK- 4 -3.7. Size
Front

Side655Panel cut hole

21.2

44.2

3.8. Appearance- 5 -4. Warranty
If it fails during normal use, we will repair it free of charge as described in thiswarranty as below.
1) During the warranty period which is one year from the date of purchase, we will
repair it free of charge in case of malfunction in accordance with instruction manual.
2) It will be charged for extra in the following case, even during warranty period.
 Incorrect usage or failure or damage caused by carelessness.
 Failure or damage caused by improper repair or remodeling.
 Failure or damage caused by external factors such as fire, earthquake, othernatural disasters, abnormal voltage and so on.
 Replacement of consumable parts.
 Change of power supply and voltage.
3) This warranty provision is effective only in Japan- 6 -