Kikusui PWX1500H, User Manual

Page: 23 / 131

PWX
23
1
Inst
allation
and Prep
aratio
n
Sensing
When the PWX series is shipped from the factory, terminal cover and connector are attached
to the sensing terminals. For safety reasons, when not using the sensing terminals, be sure to
attach to terminal cover. If they are damaged or lost, contact your Kikusui agent or distributor.
Connecting the sensing cables
If the sensing cables come loose, the output voltage across the load may become unstable,
and an excessive voltage may be applied to the load. If an appropriate OVP trip point is set,
the OVP will trip before an excessive voltage is generated.
When you are finished with remote sensing, return the PWX series to local sensing mode.
84-61-7305
Terminal cover
Connector
P1-000-109
WARNING
Risk of electric shock and damage to internal circuits.
• Never wire the sensing terminals while the POWER switch is turned on.
• Use sensing cables whose rated voltage is higher than the PWX series isolation volt-
age. Protect the uncovered sections of the shielded cable by using insulation tubes
whose withstand voltage is greater than the PWX series isolation voltage.
• The sensing terminals are at approximately the same electric potential as the nega-
tive output terminal. Insert the cables so that the wire strands do not touch the chas-
sis when they stick out of the sensing terminal. Also, insert the cables so that the
stripped wires do not stick out of the terminal.
• Even if you turn the output off or turn the POWER switch off, if the bleeder on/off set-
ting (CF11) is set to oFF, the voltage that was present when the output was on will
remain at the output terminals. Set the bleeder on/off setting to on before you touch
the sensing terminals.
• Regardless of whether local sensing or remote sensing is used, be sure to attach the
sensing terminal cover before turning the POWER switch on.
Strip 7 mm (0.28 inches) of the
cable covering, and then insert
the cable here.
Incorrect
Incorrect Correct
The wire itself is
in contact with
the chassis. Wire scraps are
in contact with
the chassis.
Strip gauge
7 mm (0.28 inches)
Use this screw to fix the
cables in place so that they do
not come loose.
Local sensing jumpers
Terminal Function
-S Negative remote sensing terminal
-LS
Negative local sensing terminal
Connected to the negative output
terminal
— Not connected
+LS
Positive local sensing terminal
Connected to the positive output
terminal
+S Positive remote sensing terminal
Sensing
cable
AWG28 to AWG16