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OPERation Status Register
975-0200-01-01 5-33
5
OPERation Status Register
The operation status register is a standard SCPI, 16-bit register which
contains information about conditions which are part of the power
supply's normal operation. The Operation Status data structure has the
operation status register and two sub-registers to represent shutdown and
protection shutdown. Each of the sub-registers is summarized in a
summary bit.
Figure 5-22 represents the Operation Status data structure. The “+”
represents the logical summation/or of bits in a register. Table 5-11, Table
5-12, and Table 5-13 describe the meanings of each bit as well as the bit
number and bit weight.
Figure 5-22 Operation Status Register Fanout
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
N ot U sed
C A Librating
M E A S uring
W aiting for T R IG ger
N ot U sed
N ot U sed
N ot U sed
S H U T dow n S um m ary
Local Lock
C onstant V oltage M ode
C urrent S hare S um m ary
C onstant C urrent M ode
P R O G ram R unning
N ot U sed
N ot U sed
N ot U sed
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
N ot U sed
P R O T ection S um m ary
N ot U sed
IN T erlock
N ot U sed
E xternal S hutdow n
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
+
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
N ever U sed
N ot U sed
A C O ff
U nder V O LT age
N ot U sed
N ot U sed
N ot U sed
Foldback
F an F ailure
O ver T E M P erature
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
O ver V O LT age
N ot U sed
+
N ever U sed
+
N ever U sed
T o S tatus
B yte B it 7
S T A T us :O P E R ation :S H U T dow n :P R O Tection
S T A T us :O P E R ation :S H U Tdow n
S T A T us :O P E R ation
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
N ot U sed
N ot U sed
S LA ve
N ot U sed
M A S T er
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
N ot U sed
+
N ever U sed
S T A T us :O P E R ation:C S H are
N ot U sed