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Mode
Voltage, Ohms
(no compensation)
4-Wire Short Circuit
4-Wire Short Circuit
with filter
2-Wire Comp
4-Wire
Low A
4-Wire
Pseudo
no compensation with filter.
2-Wire with filter
4-Wire with filter
pseudo 4-Wire with filter
Current
Test
Table 3. Switch Accessory Remote Commands
Remote
Command
@?
Power- on default. All relays are OFF. Used for
Voltage and OHMS COMP off.
A>
Relay cluster 5 is ON. Provides a 4-Wire short to the
UUT. CAUTION: Shorts the 5500A NORM Hi and LO
terminals.
Q.
Same as 4-Wire Short Circuit, but with the Ohms filter
applied across the 5500A NORM HI and LO. Used for
discharging the Ohms filter capacitor.
B=
Relay cluster 3 is ON. Used when the 5500A OHMS 2-
Wire COMP mode is selected.
D;
Relay cluster 2 is ON. Used when the 5500A OHMS 4-
Wire COMP mode is selected. Can also be used when
the 5500A is in current mode, to carry up to 2A of
current from the 5500A.
F9
Relay clusters 2 and 3 are ON. Provides a 4-Wire
connection to the UUT, with the 5500A set to OHMS
COMP off.
P/
Same as Voltage (@?), but with the Ohms filter
applied across the 5500A NORM HI and LO.
CAUTION: Do not use this mode for Voltage.
R-
Same as 2-Wire Comp/Normal
Ohms filter applied across the 5500A NORM Hi and
LO
T+
Same as 4-Wire
applied across the 5500A NORM Hi and LO
V)
Same as 4-Wire
filter applied across the 5500A NORM Hi and LO
H7
Relay cluster 4 is ON. Used for all 5500A current
outputs.
_space
Test mode only. Activates all relay clusters and LEDs.
(Underscore,
then space)
Remote Commands for Operating the Switch Accessory
Description
(B=) but with the
/ Low A (D;), but with the Ohms filter
, Pseudo (F9) but with the Ohms
15
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