Manual

2 Assembly and installation
BU 0180 GB-0914 Pre-series version 45
2.10.2.1 Technology Units for ATEX Zone 22 3D
Designation
Part Number
Approved for
ATEX Zone 22 3D
Not approved for
ATEX Zone 22 3D
SK TI4-TU-BUS(-C)
275280000 / (275280500)
x
SK TI4-TU-NET(-C)*
275280100 / (275280600)
x
SK TU4-PBR(-C)
275281100 / (275281150)
x
SK TU4-CAO(-C)
275281101 / (275281151)
x
SK TU4-DEV(-C)
275281102 / (275281152)
x
SK TU4-IOE(-C)
275281106 / (275281156)
x
SK TU4-PBR-M12(-C)
275281200 / (275281250)
x
SK TU4-CAO-M12(-C)
275281201 / (275281251)
x
SK TU4-DEV-M12(-C)
275281202 / (275281252)
x
SK TU4-IOE-M12(-C)
275281206 / (275281206)
X
SK TU4-PNT(-C)
275281115 / (275281165)
x
SK TU4-ECT(-C)
275281117 / (275281167)
x
SK TU4-POL(-C)
275281118 / (275281168)
x
SK TU4-EIP(-C)
275281119 / (275281169)
x
2.10.2.2 Customer Units for ATEX Zone 22 3D
Designation
Part Number
Approved for
ATEX Zone 22 3D
Not approved for
ATEX Zone 22 3D
SK CU4-PBR
275271000
x
SK CU4-CAO
275271001
x
SK CU4-DEV
275271002
x
SK CU4-PNT
275271015
x
SK CU4-ECT
275271017
x
SK CU4-POL
275271018
x
SK CU4-EIP
275271019
x
SK CU4-IOE
275271006
x
SK CU4-POT
275271207
x
SK ATX-POT
275142000
x
The Category 3D frequency inverter can be equipped with an ATEX-compliant potentiometer, which can be
used to adjust a setpoint (e.g. speed) on the device. The potentiometer is used with an M20-M25 extension
in one of the M25 cable glands. The selected setpoint can be adjusted with a screwdriver. Due to the re-
movable screw closing cap, this component complies with ATEX requirements. Permanent operation may
only be carried out with the cap closed.
Frequency setpoint setting
with a screwdriver
Resistance of the potentiometer 10 kOhm