RATIO.pm6.5 - USA
Page 1.1
RATIO
BOGE – RATIO compressor control for screw compressors
These operating instructions contain a description of the RATIO con-
trol system.
BOGE compressors are equipped with a modern control.
RATIO, an integrated control and monitoring concept, with two objectives:
– Energy savings and thus reduction of ongoing costs.
– Prolonging the service life of the compressor due to minimum wear.
All programmed data is stored in a memory module (EEPROM).
Thus the stored information is even available following a power failure.
The BOGE-RATIO control adapts dynamically to the respective operating
conditions. A micro-controller assumes the following three tasks:
1. Automatic selection of the most economical operating mode
The micro-controller calculates the optimum operating mode from the
current operating state and a programmed ideal value, also taking into
account the constant compressor system data (e.g. delivery quantity,
receiver volume, motor switching cycles) as well as the current variables
(e.g. compressed air consumption, supply and non-supply times, pres-
sure increase and decrease speed).
In order to save operating costs, it always strives for the most economical
intermittent operation.
2. Automatic optimization of the motor switching cycles
The micro-controller calculates the optimum number of motor switching
cycles. This protects the drive motor and prolongs the service life of the
plant.
3. Automatic reminder of the maintenance intervals
The microcontroller monitors the maintenance intervals.
The BOGE control1.1
Microcontroller
General
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