Operation
40
300855170_002_C4 - 06/2020 - © Leybold
Applications which can be implemented with the aid of the serial interface:
Application
Benefits to the customer
How to do it
Networking of several pumps
and other equipment
Savings relating to the costs for sig-
nalling cables
With Field Bus systems
Automation
Savings related to repetitive manual
work
For example by a control computer
Avoidance of warnings and
warnings before overload
operation and early detection
of a failing pump
n
Precise planning for maintenance
n
Improved reliability of sensitive pro-
duction processes in a vacuum
Monitoring of:
n
Motor current P5
n
Motor temperature P7
n
Frequency converter temperature P11
Standby operation
n
Cutting process gas consumption
n
Cutting energy consumption
Reducing the rotor’s frequency through P24
Troubleshooting
Quick analysis of problems
Reading of error memories P171, P174 and P176: error
code, speed, operating hours for error
Read out warning messages through P227
Slow pressure control by
changing the pumping speed
Dispensing with a flow controller
Changing the rotor frequency through parameter 24
Starting the pump with a
delay if several consumers
are connected to the same
PSU
Cost savings through smaller power
supply units if peak loads can be
reduced
With P36, delay
Lowering the normal opera-
tion threshold
Normal operating mode is attained
faster, processes can be started faster
Reduce frequency threshold through P25
Control cooling water flow
Avoid condensation during cooling
water operation
Connect cooling water valve at accessory connection
(X201, for example)
Enable generator operation
(power backup mode)
The power produced by the pump
when running in the generator mode
may be used for other electrical con-
sumers and the pump is also decele-
rated faster.
With P249
This function is only changed after de-energising the
pump and then restarting it.
