QuadTech Guardian 6100 Plus Instruction Manual page 91

2.4.7.5
The IEC 60601-1 measuring circuit for the patient auxiliary current test is illustrated in
Figure 2-15a. Patient Auxiliary Current can also be measured from patient connection
P1 to all other patient connections P2.
The tests can be performed with any of 4 different mains conditions. These conditions
are:
All conditions can be performed with the ground switch S7 open or closed.
Operation
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Patient Auxiliary Leakage
Normal Mains (S5 DOWN position)
Reverse Mains (Hot and Neutral reversed) (S5 UP position, as shown)
Single Fault – Normal (Neural S1 open & S5 DOWN position)
Single Fault – Reverse (Hot and Neutral reversed with Neutral S1 open)
L(N)
T
1
Mains
V
V
1
N(L)
R
Figure 2-15a: Patient Auxiliary Current
(Figure 17 of 60601-1 © IEC 2000)
S
reverse
5
P
normal
P
S
1
S
P
10
S
P
7
PE
150799 Rev A3
DUT
1
Patient Probe
#1
1
i
MD
5
1
#2
Patient Probe
1
FE
1
PE
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