N1/B1

PLC address. If it is equal to 0 (zero) and the selected protocol is different from ISOTCP or ISOTCP243, then it is replaced by the Default Slave Address. If the selected protocol is ISOTCP or ISOTCP243, this value must be left as 0 (zero)

N2/B2

Data type and Data area. For more information, please check the next tables. This value must be composed by the data type multiplied by 100 plus the data area (its formula is N2/B2 = DataType × 100 + Area)

N3/B3

If the selected area is V (DB), fill it in with the number of the DB block. Otherwise, leave it in 0 (zero). If the memory contains a single or unspecified DB block, fill it in with the value 1 (one)

N4/B4

DB block's address in the data area or offset. To use data types that require more than one byte, use addresses that are multiples of two for two-byte types (signed or unsigned 16-bit) and multiples of four for four-byte types (signed or unsigned 32-bit and 32-bit floating point)

0

Data area's default

1

BOOL (Boolean)

2

BYTE (unsigned 8-bit)

3

WORD (unsigned 16-bit)

4

INT (signed 16-bit)

5

DWORD (unsigned 32-bit)

6

DINT (signed 32-bit)

7

REAL (32-bit floating point, IEEE 754)

8

STRING

12

S5TIME (time in seconds, 32-bit floating point, IEEE 754, please check the next note)

13

WSTRING

32

BYTE (unsigned 8-bit, LSB First)

33

WORD (unsigned 16-bit, LSB First)

34

INT (signed 16-bit, LSB First)

35

DWORD (unsigned 32-bit, LSB First)

36

DINT (signed 32-bit, LSB First)

43

WORD (unsigned 16-bit, least significant byte first)

44

INT (signed 16-bit, least significant byte first)

45

DWORD (unsigned 32-bit, least significant byte first)

46

DINT (signed 32-bit, least significant byte first)

0

S

1

SM

2

AI (Analog Input)

3

AQ (Analog Output)

4

C (Counter)

5

T (Timer)

6

I (Digital Input)

7

Q (Digital Output)

8

M (Memory)

9

V (DB)

10

HC (High Speed Counter)