2 Mounting and installation
BU 0200 en-US-4920
79
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SK ATX-POT
The category 3D variable frequency drive can be equipped with an ATEX-compliant 10
kΩ
potentiometer (SK ATX-POT) which can be used for setpoint (e.g. speed) adjustment on the device.
The potentiometer is used with an M20-M25 extension in one of the M25 cable screw connections.
The selected setpoint can be adjusted with a screwdriver. Due to the detachable cap, this component
complies with ATEX requirements. Permanent operation may only be carried out with the cap closed.
1
Setpoint adjustment using a screwdriver
SK ATX-POT
wire color
Designation
Terminal
SK CU4-24V…
Terminal
SK CU4-IOE
Terminal
SK 2x0E
Red
+10 V reference
[11]
[11]
[11]
Black
AGND/0 V
[12]
[12]
[12]/[40]
Green
Analog input
[14]
[14]/[16]
[14]/[16]
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Information
Internal braking resistor "SK BRI4-…"
If an internal braking resistor of type SK BRI4-x-xxx-xxx is used, activate the power limitation for this under all
circumstances (
Section 2.3.1 "Internal braking resistor SK BRI4-…"). Only the resistors assigned to the
relevant inverter type may be used.
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