Rish DELTA VAF NX User Manual

Table 3 : 3 X Register Addresses (Measured Parameters)
Note : Number of registers = Number of parameters x 2
Each Query for reading the data must be restricted to 40 parameters or less. Exceeding the 40 parameter limit
will cause a ModBus exception code to be returned.
Query :
Device
Address
Function
Code
Start Address
High
Start Address
Low
Number of
Registers Hi
Number of
Registers Lo
CRC
Low
CRC
High
01 (Hex)
04 (Hex)
00 (Hex)
04(Hex) 00 (Hex)
02(Hex) 30 (Hex) 0A (Hex)
Start Address High : Most significant 8 bits of starting address of the parameter requested.
Start Address low :Least significant 8 bits of starting address of the parameter requested.
Number of register Hi : Most significant 8 bits of number of registers requested.
Number of register Lo : Least significant 8 bits of number of registers requested.
(Note : Two consecutive 16 bit register represent one parameter.)
Response: Volt3 (219.25V)
Device
Address
Function
Code
Byte
Count
Data Register1
High Byte
CRC
High
01 (Hex)
04 (Hex)
04 (Hex)
43 (Hex)
5B (Hex)
41 (Hex) 21 (Hex)
6F (Hex)
Data Register1
Low Byte
Data Register2
High Byte
Data Register2
Low Byte
9B (Hex)
CRC
Low
Byte Count : Total number of data bytes received.
Data register 1 High Byte : Most significant 8 bits of data register 1 of the parameter requested.
Data register 1 Low Byte : Least significant 8 bits of data register 1 of the parameter requested.
Data register 2 High Byte : Most significant 8 bits of data register 2 of the parameter requested.
Data register 2 Low Byte : Least significant 8 bits of data register 2 of the parameter requested.
(Note : Two consecutive 16 bit register represent one parameter.)
24
Modbus
3X Add.
Modbus
4X Add.
Read only parameter value 3P4W 3P3W 1P3W 1P2W
30001 40001 V1
   
30003 40003 V2
   
30005 40005 V3
   
30007 40007 I1
   
30009 40009 I2
   
30011 40011 I3
   
30031 40031 PF1
   
30033 40033 PF2
   
30035 40035 PF3
   

Rish DELTA VAF NX Specifications

General

Brand	Rish
Model	DELTA VAF NX
Category	Measuring Instruments
Language	English