D 3.2.1 – NORD Drivesystems BU0040 User Manual
Page 53
3 ControlBoxes
– SK POT1-1
BU 0040 GB-0113
Subject to technical alterations
53
Loss of supply voltage
Except for the fact that the Simple Setpoint Box switches off without an error message, the box and the frequency
inverter behave identically with regard to the behaviour described above under "Disconnection of the setpoint
channel".
3.1.4
Technical data
Name
Value
Control voltage
24V
DC
± 20%
Power consumption
approx. 35 mA
Display
4-digit, 7-segment display
Interfaces
RS232 or RS485
Operating modes
485C / IO-C / IO-S
Ambient temperature
0°C … 40°C
Protection class
IP54
Dimensions (L x W x D)
(98 x 64 x 37)mm
Weight
0.3 kg
Wall-mounting
possible with 2 holes at the rear
Connection cable length
max. 20 m (not included in scope of delivery)
3.2 Control box (SK POT1-1)
The SK POT1-1 control box is a simple manual control unit for the
control of NORD frequency inverters with an enabling signal and
setpoint.
The control box is designed for permanent connection to the frequency
inverter. According to the model, appropriate interfaces are available
on the frequency inverter, or are available as options. Further
information about the interfaces can be found in the relevant manual
for the frequency inverter.
The control unit can be used as a handheld or attached version (wall-
mounted). An approx. 3m long cable is included.
3.2.1
Installation
The SK POT1-1 control box is a hand-held unit with integrated connection cable. The connection cable has open
ends and is intended for permanent connection to a NORD frequency inverter.
The control box can also be screwed to a wall via the four holes in the rear of the housing (Distance approx: X
direction: 106.5mm, Y direction: 66.5mm). The fixing material is not included in the scope of delivery.