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Commands
4.3.7 HOST_CMD_GET_READINGS_PHASE_n
This command reads from the EVM the latest measurements. If CMDL is specified a value other than
0x00 the CMDL value will be in priority to determine the phase number.
NOTE:
Only CMDH = 0x61 is supported by this EVM.
4.3.7.1
Command Format
HOST_CMD_GET_READINGS_PHASE_n
Command
Respond
LEN
2
34
Offset
Width
Data
Offset
Width
Data
0x6n
CMDH
0
U8
0
U8
0x6n (n = 1, 2, 3)
(n = 1, 2, 3)
0xdp
0x80 | 0xdp,
CMDL
1
U8
(always 0x00 in this
1
U8
d=device[0-7], p=phase[1-15]
EVM)
2
S32
Voltage in mV
6
S32
Current in µA
10
S32
Active power in mW
14
S32
Reactive power in mW
18
S32
Apparent power in mW
22
S16
Power factor in 0.001
24
S16
Frequency in 0.01 Hz
26
S32
Voltage channel dc offset
30
S32
Current channel dc offset
28
Serial Communication Commands
SLAU587 – August 2014
Copyright © 2014, Texas Instruments Incorporated