Valhalla 2300, Operation Manual

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Qn SRQ enable command
Q0 Disable SRQ (default)
Q1 Assert SRQ for invalid input data
S Start compiling command
Starts compilation of average watts or watt-hour data.
Tn Output data selection query
(Selects data output to the controller on the next read)
T0 Requests voltage data (default)
T1 Requests current data
T2 Requests power data
T3 Requests average power data
T4 Requests watt-hour data
Vn Voltage range commands
V0 50 volt range (5V 2300L) (default)
V1 150 volt range (15V 2300L)
V2 300 volt range (30V 2300L)
V3 600 volt range (60V 2300L)
Wn Display selection commands
(Selects which channel's data is displayed and output)
W0
φ
A data (default)
W1
φ
B data
W2
φ
C data
W3 3
φ
3-wire data
W4 3
φ
4-wire data