Eaton Cutler-Hammer IQ 300 Series, Instructions For Installation, Operation And Maintenance

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Effective Date: 2/04
IL17574C
Page 5-3
IQ 300
Effective Date: 2/04 Page 5-3
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5.3 FUNCTION CODES
The IQ 300 responds to a limited number of MODBUS function codes. These are
function codes 04 and 10 hex.
5.4 BLOCK OF REGISTERS
Using the 04 MODBUS command you can read any block from table 5.1. The
beginning address and the size of the block are the elements of the 04 command.
Below is an example of message for retrieval of data.
Table 5.1 IQ 300 Objects Cont.
Objects - (complete list) Units Modbus
Address (hex)
INCOM Products -
(partial list)
Name Numeric Fixed point
(FP)
(hex)
FP
scale
factor
IQ-
300
power A ph W 183A 1 x
B ph W 183C 1 x
C ph W 183E 1 x
reactive A ph VAR 1840 1 x
reactive B ph VAR 1842 1 x
reactive C ph VAR 1844 1 x
apparent A ph VA 1846 1 x
apparent B ph VA 1848 1 x
apparent C ph VA 184A 1 x
power factor displacement A ph pf 184C 100 x
displacement B ph pf 184E 100 x
displacement C ph pf 1850 100 x
apparent A ph pf 1852 100 x
apparent B ph pf 1854 100 x
apparent C ph pf 1856 100 x
power peak demand W 1858 1 x
source 1 V
AB
V 185A 10
V
BC
V 185C 10
V
CA
V 185E 10
freq Hz 1860 10
source 2 V
AB
V 1862 10
V
BC
V 1864 10
V
CA
V 1866 10
freq Hz 1868 10
power power (real 3 ph) W 186A 1 x
power factor pf (*) pf 186C 100 x
prod ID prod ID 186E x
frequency freq Hz 1870 100 x
energy forward kWh 1872 1 x
reverse kWh 1874 1 x
net kWh 1876 1 x
reactive energy lead kVARh 1878 1 x
lag kVARh 187A 1 x
net kVARh 187C 1 x
energy (4 reg) apparent kVAh 187E 1 x