Description Component series 2X Suitable for controlling proportional valves and pump controls without electric position feedback Easy valve selection of the Rexroth valves for the industrial hydraulics Characteristic curves of the valves stored in the device Valve optimization via push-buttons Features Command value input 0 ... ±10 V oder 4 ... 20 mA Reverse polarity protection of the operating voltage Ramp generator up and down is separately adjustable Zero point setting Command value adjustment Characteristic curve generator Clocked power output stage Output short-circuit-proof LED status displays Measuring sockets for: actual current value, internal current command/setting All valve parameters adjustable Product description load error Type code load error Technical data load error Electrical connection Block diagram VT-MSPA1... See "Product description" 1 Power supply unit 2 Differential amplifier 3 Command value summing device 4 Zero point setting 5 Inverter 6 Single ramp 7 4-quadrant ramp 8 Command value attenuator 9.1 Characteristic curve generator (standard) 9.2 Characteristic curve generator ("4WRPH 6 …SO855" version) 10 Current controller 11 Clock generator 12 Output stage 13 Enable or inverter or ramp off or 4Q ramp 14 Switching logics/fault recognition 15 Digital output Block diagram VT-MSPA2... See "Product description" 1 Power supply unit 2 Differential amplifier 3 Command value summing device 4 Zero point setting 5 Inverter 6 Single ramp 7 4-quadrant ramp 8 Command value attenuator 9 Characteristic curve generator 10 Current controller 11 Clock generator 12 Output stage 13 Enable or inverter or ramp off or 4Q ramp 14 Switching logics/fault recognition 15 Digital output Status description LEDs Indicator light Operating state Display mode Meaning "Digital input" LED (yellow) Normal operation Permanent light on/off Digital input status Setup Flashing Standard setup active Setup Off Expert setup active Setup On/flashing/flickering Expert setup: Digital input setting "Ready" LED (red/green) Normal operation Permanent light green Module ready for operation Normal operation Permanent light red Error Normal operation and setup Flashing red/green Valve setting changed Normal operation and setup Flashing red Inadmissible valve number Normal operation Off Module not ready for operation Setup Flashing green Expert setup active Description of the LED display 1) DI Enable 2) t Ramp Z/B Zero point / pilot current G Command value attenuator S Step level command value ☺ Ready for operation 1st quadrant (positive command value rising) 2nd quadrant (positive command value falling) 3rd quadrant (positive command value rising) 4th quadrant (positive command value falling) 1) A detailed description is contained in the operating instructions 30232-B 2) Function of the digital input can be adjusted in the setup Dimensions load error Project planning information load error Information load error Downloads Ventilverstärker für Proportionalventile ohne elekt
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