4. 1. g
EnEraL
PUrPosE
This document provides required information of the MODBUS protocol serial link or Ethernet network.
Before connecting a supervision equipment or BMS system (Building management system) to the UPS, it is neces
-
sary to install and set up the serial interface or network configurations in the case of a network connection..
4. 2. m
odbUs
ProtocoL
This document does not explain the MODBUS protocol management. Please refer on
www.modbus.org web site for more information.
the
DELPHYS Green Power
MODBUS uses the following functions :
–
function 3 for reading Input Registers (16 bits),
–
function 6 for writing single Registers (to control
DELPHYS Green Power
).
The data field is composed of 1 word, defined by a MSB (most significant byte) and a LSB (lowest significant byte),
and displayed in the following order on the serial link.
1 woRd data
b7
mSB
b0
b7
LSB
b0
b15 b0
4. 3. d
ata
dEcoding
Status and alarms Information
This information are coding in bit. This means that 1 word defines 16 information. If the related bit is set to 1, this
information is active or true.
Measurements and counters data
1 word defines a measurement or a counter. Some values are numeric decimal signed or unsigned (0 to 65535 or
from -32767 to 32767), or in hexadecimal (0x0000 to 0xFFFF).
4. IntRoductIon
5
Delphys green power
- Ref.: IOMDGPJB0910-GB_11
ENGLISH
Содержание DELPHYS BC
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