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emu3/emu3ACO Operation Guide
Version 2.1
Telnet commands
read meter command
This command returns a specified power measurement from a Master unit or one of its Slave units.
Syntax:
read meter unit_number[meter_number] value_type option
Parameters:
Parameter
Value/Options
Description
Example result
unit_number
uYY
Command affects unit number YY
meter_number*
oXX
Command affects meter number
XX [if not specified then default will
be 01]
value_type
curr
Current in amps to 2 decimal places
volt
Voltage in volts to 1 decimal place
pow
Power in watts as an integer
pf
Power factor to 2 decimal places
va
Apparent power in VA as an integer
freq
Frequency in Hz to 2 decimal places
option
format
Request meter reading as a
formatted string Measurement
Value
TT:VVVV is measurement value
TT is one of:
C, V, POW, PF, VA, FREQ
simple
Request meter reading as a simple
stringMeasurement Value
VVVV is measurement value
Example commands:
read meter u08o02 curr simple
read meter u01 volt format
Error messages:
Message
Description
Invalid command or exceed max command length
Incorrect command syntax
Not Supported
Unit/meter number out of range or requested reading type is
not supported