Siemens CU240B-2 Operating Instructions

Setting the hibernation mode
Parameter Description Via tech.
setpoint
Via exter‐
nal set‐
point
p1080 Minimum speed
0 (factory setting) … 19,500 rpm. Lower limit of the motor speed,
independently of the speed target value.
✓ ✓
p1110 Block negative direction
Parameter to block the negative direction
- ✓
p2200 Technology controller enable
0: Technology controller deactivated (factory setting),
1: Technology controller activated
✓ -
p2251 = 1 Technology controller mode
0: Technology controller as main setpoint (factory setting),
1: Technology controller as supplementary setpoint
✓ -
p2298 Technology controller minimum limiting
Parameter for the minimum limiting of the technology controller
✓ -
p2398 Hibernation mode
0: Hibernation mode inhibited (factory setting)
1: Hibernation mode enabled
✓ ✓
p2390 Hibernation mode start speed
0 (factory setting) … 21,000 rpm. As soon as this speed is fallen
below, the hibernation mode delay time starts and switches off
the motor once it expires. The hibernation mode start speed is
calculated as follows:
Start speed = p1080 + p2390
p1080 = minimum speed
p2390 = hibernation mode start speed
✓ ✓
p2391 Hibernation mode delay time
0 ... 3599 s (factory setting 120). The hibernation mode delay time
starts as soon as the output frequency of the inverter drops below
the hibernation mode start speed p2390. If the output frequency
increases above this threshold during the delay time, the hiber‐
nation mode delay time is interrupted. Otherwise, the motor is
switched off after the delay time has expired (if necessary, after
a short boost).
✓ ✓
p2392 Hibernation mode restart value (as a %)
Is required if the technology controller is used as the main set‐
point.
As soon as the technology controller deviation (r2273) exceeds
the hibernation restart value, the inverter switches to normal op‐
eration and the motor starts up with a setpoint of 1.05 * (p1080 +
p2390). As soon as this value is reached, the motor continues to
operate with the setpoint of the technology controller (r2260).
✓ -
p2393 Hibernation mode restart speed (rpm)
Required for external setpoint input. The motor starts as soon as
the setpoint exceeds the restart speed. The restart speed is cal‐
culated as follows:
Restart speed = p1080 + p2390 + p2393
p1080 = minimum speed
p2390 = hibernation mode start speed
p2393 = hibernation mode restart speed
- ✓
Advanced commissioning
6.37 Hibernation mode
Converter with the CU230P-2 Control Units
360 Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE

Siemens CU240B-2 Specifications

General

Brand	Siemens
Model	CU240B-2
Category	Inverter
Language	English