DA-7300 Data Logger Communication Driver

 

 

DA-7300 Data Logger Communication Driver is the driver to communicate with gas monitoring controller of DongAn Information Industry in Korea.

 

1. Read settings

 

<Figure 1> is read setting example of DA-7300 Data Logger communication driver.

<Figure 1>  Read setting example of DA-7300 Data Logger communication driver

Device part of  <Figure 1> input Com Port(COM1), Baud Rate(9600), Parity Bit(0), Data Bit(8), Stop Bit(1) respectively.

DA-7300 Data Logger controller can set baud rate, ... by using setting button of front pannel.

 

DA-7300 Data Logger communication driver¡¯s read schedule 

DA-7300 Data Logger communication driver's read schedule input 'READ' one line.

 

Read schedule example) 

  READ, 

 

<Table 1> ~ <Table 3> is readed RPT1(  5 minute average value ) data's saving address and contents of WORD, FLOAT, STRING memory.

 RPT2's readed data( 1 hour average value ) save 'Address + 100' of <Table 1> ~ <Table 3>. 

Address Contents of WORD memory Remarks
0 Company code 1 ~ 999
1 Chimney number 1 ~ 99
2 DCD communication status 0 = normal
3 ~ 13 Measuring instrument status Refer to <Table 4>
14 ~ 24 Data Logger status
25 ~ 29 Year, month, day, hour, minute of data  
30 Mmeasuring item number of number 0 Refer to <Table 5>, <Table 6>
31 Units of number 0
32 ~ 33 Mmeasuring item number and units of number 1
¡¦ ¡¦
50 ~ 51 Mmeasuring item number and units of number 10
<Table 1> Readed RPT1 data's saving address and contents of WORD memory

Address

 Contents of FLOAT memory

Remarks

0 ~ 10

Measuring value of 0 ~ 10 number

float point value

<Table 2> Readed RPT1 data's saving address and contents of FLOAT memory

Address

Contents of STRING  memory

Remarks

0

String of measuring data's name number 0

 

1

String of measuring data's unit number 0

 

2 ~ 3

String of measuring data's name and unit number 1

 

¡¦

¡¦

 

20 ~ 21

String of measuring data's name and unit number 10

 

<Table 3> Readed RPT1 data's saving address and contents of STRING memory

Value

Status(meaning)

Remarks

0

Normal

 

1

 Calibration

 

2

Improper operation ( can not Sampling )

 

4

Power failure

 

8

Maintenance

 

16

Do not exist measurement

read 'X' value

...

...

 

<Table 4> The meaning of Data Logger status according to readed value

Value

Measuring item

String value

0

Sulfur Dioxide gas

SO2

1

Dust

TSP

2

Nitrogen compounds

NOX

3

 HCL

HCL

4

 HF

HFb

5

Ammonia

NH3

6

Chlorine gas

CL2

7

 CO2

COb

8

 O2

O2b

9

Flow rate

VEL

10

Temperature

TMP

256

Other

 

<Table 5> The meaning of measuring item number according to readed value

Value

Units

Measuring item

0

PPM

Sulfur Dioxide gas, Nitrogen compounds, HCL, HF, Ammonia, Chlorine gas, CO2

1

MGM

Dust

2

(%)

O2

3

M3H

Flow rate

4

DEG

Temperature

16

***

Abnormal status of measurement or Data Log

256

Other

 

<Table 6> The meaning of units according to readed value

   

Note) Please set 'SEND' mode, the DA-7300 Data Logger controller.  (use Serial port number 1)

 

2. Writing settings

DA-7300 Data Logger communication driver don't support write settings.(read only controller)