Pin assignments and I/O logic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output pin assignments

 

 

 

 

 

 

 

 

 

 

Input pin assignments

 

 

 

Pin No.

 

 

 

Signal

 

 

 

 

 

 

 

 

 

Pin No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Signal

 

 

 

26

 

 

1

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

BUSY

 

 

 

 

 

 

 

 

 

 

 

 

27

 

 

2

100

 

 

 

 

 

 

 

 

 

9

 

 

 

 

RE-ZERO

 

 

 

 

 

Switch

 

 

28

 

 

4

 

 

 

 

 

 

 

 

 

5

 

 

 

 

ON/OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29

 

 

8

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

Input signal GND

 

 

 

 

 

 

 

 

 

 

39

 

 

1

 

 

 

 

 

 

 

 

 

 

11

 

 

 

 

Not used (Reserved)

 

 

 

40

 

 

2

101

 

 

 

 

 

 

 

 

The pins, which are not specified, have no

 

41

 

 

4

 

 

 

 

 

 

 

 

 

 

connection. (Pins 2, 4, 6, 8, 10, 36. 38)

 

42

 

 

8

 

 

 

 

 

 

 

 

 

Output logic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

2

102

 

 

 

 

 

 

 

 

 

Factory settings

 

 

 

 

 

 

 

 

 

 

 

 

14

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When

 

State

 

 

15

 

 

8

 

 

 

 

 

 

 

 

 

 

Data

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

16

 

 

1

 

 

 

 

 

 

 

 

 

 

Polarity

 

Positive or zero display

 

ON

 

 

17

 

 

2

103

 

 

 

 

 

 

 

 

 

Stability

 

Stabilization indicator ON

 

ON

 

 

18

 

 

4

 

 

 

 

 

 

 

 

 

 

Over

 

 

 

e, -e display

 

 

 

 

 

 

 

 

 

ON

 

 

19

 

 

8

 

 

 

 

Data

 

 

Strobe

 

 

 

Data receiving enabled*

 

ON

 

 

20

 

 

1

 

 

 

 

 

 

Status

 

 

 

Weighing

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

2

104

 

 

 

 

 

 

 

 

 

 

 

 

 

*Data refresh when OFF

ON

 

22

 

 

4

 

 

 

 

 

 

 

 

 

All output, open collector; withstand

 

23

 

 

8

 

 

 

 

 

 

 

 

 

 

voltage 30 V; no pull-up resistor; low-level

 

46

 

 

1

 

 

 

 

 

 

 

 

 

 

output current 48 mA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output logic of data, status, and strobe

 

47

 

 

2

105

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

can be switched individually in the function

48

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

table bcd.

 

 

 

 

 

 

 

 

 

 

 

 

49

 

 

8

 

 

 

 

 

 

 

 

 

 

Use a shielded cable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FG

 

24

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Housing (Cable shield)

 

25

 

 

2

106

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(LS06)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31

 

 

8

 

 

 

 

 

 

 

 

 

 

BCD signals

 

 

 

 

 

 

 

 

 

 

 

 

 

Output pins

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BCD signals

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33

 

 

2

107

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Data from 100-1 to 107-8, Polarity,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stability, OVER, Status, Strobe)

34

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

 

Polarity

 

 

 

 

State

 

 

Output signal GND

BCD signal ground

 

45

 

Stability

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

44

 

Over

 

 

 

 

 

 

 

 

 

 

Balance interior

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

37

 

Status

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43

 

Strobe

 

 

Input logic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Output signal GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Housing

 

Shield

 

 

 

 

 

 

 

 

 

 

BUSY

 

 

 

 

Data will be held during ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(when connected to input signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input by

 

 

 

 

Valid when ON (when connected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

switch

 

 

 

 

to input signal GND).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

All input,

no voltage contact or open

 

 

 

5V

 

5V

5V

5V

 

 

 

 

 

 

 

 

collector (connected to 5 V internally)

 

 

 

 

 

 

 

 

 

 

Use a shielded cable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10kΩ

10kΩ

22kΩ 22kΩ

 

 

 

Housing (Cable shield)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

820Ω

 

 

 

 

 

 

 

 

 

(1) When a switch is used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11 Not used

 

 

 

 

 

 

 

 

5,9 or 7 pin

 

 

 

 

 

 

 

 

 

 

 

 

 

820Ω

RE-ZERO

 

(Reserved)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 (Input terminal)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

 

 

 

 

 

 

 

 

Input signal GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

input

 

 

 

820Ω

ON/OFF

9 (Input terminal)

(2) When a photocoupler is used

 

 

terminal

 

 

 

 

 

 

 

 

 

 

 

820Ω

 

 

BUSY

7 (Input terminal)

 

 

 

 

 

 

 

 

5,9 or 7 pin

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input signal GND

 

 

 

 

 

 

 

 

 

 

 

 

Input signal GND

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Upon switch-ON, make the voltage

 

 

 

 

 

 

 

Balance interior

 

 

 

 

 

 

 

 

 

between the input terminal and the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

input signal GND terminal 0.2V or less)

 

 

 

 

 

 

 

 

 

 

 

 

72

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Image 74
A&D AD-4212A-100/200/600/1000, AD-4212A/B, AD-4212B-101/102/201/301 instruction manual Pin assignments and I/O logic

AD-4212A-100/200/600/1000, AD-4212A/B, AD-4212B-101/102/201/301 specifications

The A&D AD-4212 series, including models AD-4212B-101, AD-4212B-102, AD-4212B-201, AD-4212B-301, AD-4212A/B, and AD-4212A-100/200/600/1000, represents a significant advancement in precision weighing technology. A&D Company, a leader in the field of measurement and weighing solutions, has equipped these models with various features that cater to diverse industrial needs.

One of the standout characteristics of the AD-4212 series is its high precision load cell technology. This technology enables accurate measurements with a resolution that can reach up to 0.01 grams, making it suitable for industries where precision is paramount, such as pharmaceuticals and laboratories. Additionally, the series boasts an impressive overload protection feature, allowing it to handle weights significantly above its rated capacity without sustaining damage.

Durability and user-friendliness are also top priorities for the AD-4212 models. The devices are constructed using high-quality materials that ensure longevity, even in demanding environments. The intuitive user interface includes a large, easy-to-read LCD display, which enhances usability by allowing operators to view measurements and settings effortlessly.

Another essential feature of the AD-4212 series is its versatility in connectivity. These models support multiple communication protocols, including USB and RS-232, enabling seamless integration with computers and other devices for data output and printing. This connectivity capability facilitates streamlined operations in various settings, allowing for efficient data management and record-keeping.

User customization is also a significant aspect of these models. The AD-4212 series allows users to calibrate the devices according to their specific requirements, ensuring that they can tailor the performance to suit varied applications. Moreover, the models come with built-in functions for tare, hold, counting, and statistical calculations, making them extremely flexible for different weighing scenarios.

Energy efficiency is another noteworthy consideration in the design of the AD-4212 series. These models often feature automatic shut-off functions that help conserve energy, extending battery life and reducing operating costs. The combination of these technologies and characteristics makes the A&D AD-4212 series an exemplary choice for professionals seeking reliable and accurate weighing solutions across various industries. Overall, the AD-4212 models exemplify A&D's commitment to quality, precision, and user satisfaction.