Modbus process image in the memory of the COM461MT
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COM461MT_D00011_00_M_XXEN/05.2013
7.2.6
Channels 1 to 32 With analogue and/or digital values
Every analogue BMS device channel can contain alarm messages, operating
messages, measured values, test messages and descriptive text. Both ana-
logue and digital information can be transmitted.
AT&T = Alarm type and test type (internal/external)
R&U = Range and unit
For details on the channel description refer to chapter 7.4.
7.2.6.1
Float = Floating point value of the BMS channels
Representation of the bit order for processing analogue measured values ac-
cording to IEEE 754
S = Sign
E = Exponent
M = Mantissa
Word 0x00
0x01
0x02
0x03
HiByte
LoByte
HiByte
LoByte
HiByte
LoByte
HiByte
LoByte
Floating point value (Float)
AT&T
R&U
Channel
description
Wo
rd
0x00
0x01
Byt
e
HiByte
LoByte
HiByte
LoByte
Bit
31
30
24
23
22
16
15
8
7
0
S E E E E E E E E M M M M M M M M M M M M M M M M M M M M M M M
