Siemens NAN 67 Series Manual de usuario descargar pdf (Pagina 13)

Modbus RTU Message Format

02/13 Modbus® RTU Serial Communications User Manual 7

IEEE Floating Point Formats

S E7 E6 E5 E4 E3 E2 E1

E0 M22 M21M20 M19 M18 M17 M16

REGISTER N

(High)

REGISTER N+1

(Low)

M15 M14 M13 M12 M11 M10 M9 M8

M7 M6 M5 M4 M3 M2 M1 M0

High Low High Low

Bit 0

Bit 31

FP B - Floating Point Big Endian Format:

S=Sign E=Exponent M=Mantissa

S E7 E6 E5 E4 E3 E2 E1

E0 M22 M21M20 M19 M18 M17 M16

REGISTER N

(High)

REGISTER N+1

(Low)

M15 M14 M13 M12 M11 M10 M9 M8

M7 M6 M5 M4 M3 M2 M1 M0

High Low High Low

Bit 8

FP BB - Floating Point Big Endian with Byte Swapped Format:

S=Sign E=Exponent M=Mantissa

Bit 31

Bit 24

Bit 23

Bit 16

Bit 7

Bit 0

Bit 15

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