Sun has announced that its line of proportional amplifiers has achieved CE approval.
Emissions tests were performed under test regulations EN55011: 1998/A1: 1999 Group 1, Class A.
Immunity tests were performed under test regulations EN61326: 1997/A1: 1998/A2: 2001 that met Criterion B.
Proportional amplifiers take a standard 0-10 V or 0-20 mA input value and output a proportional current value to operate a proportional solenoid valve.
Sun's range of amplifiers covers output current ranges from 0-600 mA and 0-1200 mA.
The devices form the basis of standalone control and can be configured for operating mode (for example direct- or inverse proportional control or 2-speed control), input range limiting, output range limiting and ramp times.
The amplifiers are configured using a handheld programmer that eliminates the need to remove protective covers or to manually adjust miniature potentiometers. Once configured, the settings are stored in permanent memory within the amplifier unit.
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