23
9.2
Data Type
MODBUS TCP communication interface utilizes four data types: char, uint16, uint32 and float. Each register
holds 16 bits of data.
Char data type is used for strings represented as ASCII characters. Size of char is 1 byte.
Char data type example - *IDN? query (address 3, 100 bytes, 50 registers) for 100 Volts, 50 Amperes power
supply: TDK-LAMBDA,G100-50-MODBUS,12345-123456,G:02.000.
Register Address ASCII Characters Hexadecimal Data
3 TD 5444
4 K- 4B2D
5 LA 4C41
6 MB 4D42
7 DA 4441
8 ,G 2C47
9 10 3130
10 0- 302D
11 50 3530
12 -M 2D4D
13 OD 4F44
14 BU 4255
15 S, 532C
16 12 3132
17 34 3334
18 5- 352D
19 12 3132
20 34 3334
21 56 3536
22 ,G 2C47
23 :0 3A30
24 2. 322E
25 00 3030
26 00 * 3030 *
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