User Manual for PuraLev
®
600SU
www.levitronix.com
PL-4032-00, Rev06, DCO# 20-144
33
State “Off”:
The pump system is switched off and the motor has no power. In this state,
Levitronix
®
Service Software
has
full control.
State “ON” (speed control mode):
The pump system is switched ON and the impeller is rotating with the referenced speed. The motor has
electrical power when in this state.
State “ON” (process control mode):
The pump system is switched ON and the impeller speed is controlled to get the referenced flow/pressure.
The motor has electrical power when in this state.
On (Priming mode)
The pump system is switched ON and the impeller is rotating with the priming speed. The motor has
electrical power when in this state. In this state, the Manual User Interface LUI is disabled. This mode can
only be accessed by activating priming feature within EEPROM-editor in
Levitronix
®
Service Software
.
Priming speed and Timeout-time can also be configured within EEPROM-editor.
State “Error”:
If an error according to
. occurs in the pump system, the system defaults to the
Error
state. The
designated digital output on the PLC Interface is activated. The pump system is switched OFF. By activating
the “
Reset”
input the system gets back to the “
Of
f”
state.
Error
source
Errors
Effect on designated digital
output of the PLC
Motor
No pump head detected
Error = relay open
Motor
Temperature over 100°C
Error = relay open
Motor
Temp. was higher than 90°C for more than 10 minutes.
Error = relay open
Motor
Motor power cable not connected with controller
Error = relay open
Motor
Motor sensor cable not connected with controller
Error = relay open
Motor
Motor temperature is higher than 90°C.
Warning = relay open
Motor
Communication problems (between motor and controller)
Warning = relay open
Controller
Detected a potential short-circuit situation in the pump
Error = relay open
Controller
Temperature over 80°C
Error = relay open
Controller
Temp. was higher than 70°C for more than 10 minutes.
Error = relay open
Controller
Supply voltage out of range (Power input < 40 or > 56 V DC)
If the voltage is out of range the system starts to reduce the speed and a warning is
generated. When reaching 0 rpm and the voltage is still out of range the system is
disabled and an error is generated. If voltage is again within the range during speed
reduction the system switches to normal operation and no Error is generated.
Error = relay open
Controller
Controller temperature is higher than 70°C.
Warning = relay open
Controller
Supply voltage out of range (Power input)
Warning = relay open
Controller
Dry running situation has been detected.
Pump keeps running on reduced speed (5000 rpm).
Acceleration to the set speed when the pump is refilled with liquid
The speed is only reduced if the pump
speed was ≥ 6000 rpm before dry running.
Warning = relay open
Controller
Trend Warning
Warning = relay open
Controller
Process Alarm
Warning = relay open
Table 13: Errors and warnings with indication on PLC interface for standard firmware D9.48
(For other configurations refer to alternate firmware documentation)
