Appendix
Copyright © Itech Electronic Co., Ltd. 64
Appendix
Description of Questionable Status Bit
Mnemonic Bit
Weight
Meaning
FE 0 1
Below the frequency range or above the
frequency range.
UV 1 2 AC voltage is lower than 45V.
UV 2 4 DC voltage is lower than 7.5V.
OVP 3 8 AC voltage is upper than 350V
OCPP 4 16 The peak current value in AC/DC mode is
upper than 18A or 45A.
OCP 5 32 The current RMS value in AC/DC mode is
upper than 18A.
OPP 6 64 The power value in AC/DC mode is upper than
1800W or 4500W.
OTP 7 128 The temperature value is upper than the limit
value.
LDF 8 256 Load Failure.
Description of Operation Status Bit
Mnemonic Bit Value Bit
Weight
Meaning
CAL 0 1
Calibrating
TRG 5 32
Trigger
Description of Standard Event Status Bit
Mnemonic Bit Value Bit
Weight
Meaning
OPC 0 1 Operation Complete
QYE 2 4 Query Error
DDE 3 8 Device Error
EXE 4 16 Execution Error.
Command parameter is invalid or inconsistent
with electronic load, or the command cannot be
executed.
CME 5 32 Command Error. Command syntax is incorrect.
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