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Continental Hydraulics CEM-PA – Closed Loop Pressure Amplifier

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Continental Hydraulics are at the forefront of engineering hydraulic solutions for over 50 years-a testament to a long-standing reputation built upon your challenges and opportunities. A worldwide leader- a one-stop-shop for valves, pumps, power units and proportional products-all assembled in the USA.

The Continental Hydraulics CEM-PA closed loop PID amplifier drives a single solenoid proportional pressure or flow control valve coil up to 2.6A.
It is suitable to provide precise closed loop control in pressure, force, or velocity systems. This module uses traditional PID error correction to provide stable control in dynamic systems.
A wide range of analog signals are accepted. User may select either voltage or current input mode. These inputs are easily scaled to match system requirements.
Input command can be ramped. PID variables are adjustable over a wide range. The amplifier is easily switched from open loop to closed loop control.
Min and Max output current are adjustable. Output characteristics can be independently customized. The module is disabled if the coil outputs are shorted or open. If command current signal is outside of the proper range, the module is disabled. PWM and Dither are user adjustable.
This module is easily adapted to a variety of system requirements. All variables are user adjusted with easy to use software on your Microsoft Windows® laptop.
Control variables are stored in non-volatile memory internal to the module. All variables can be read by the laptop, and reproduced exactly on other modules.

Product Specification

Description Units
Power Supply VDC 12 to 30 vDC
Power Supply Consumption <100mA + Solenoid
Power Supply External Fuse 3 A (Medium Action)
Analog Input Voltage 0 – +10 vDC
Analog Input Impendance 90 K Ohms
Analog Input Current 4 to 20
Analog Input Impendance 390 Ohm
Analog Input Resolution <0.1 %
Analog Input Sample Time 1.0 mS
Analog Input Reference Voltage 8 V (10 mA max)
Digital Inputs Logical 0 = < 2 / Logical 1 => 10
Digital Impendance 25k Ohm
Digital Outputs Logical 0 = < 2 (50mA max) / Logical 1 = ~ Power Supply
Electrical Connection Programming Port RS-232 3.5mm Stereo Jack
Electrical Connection Power and Signal 4 strips with 4 screw terminals each
Electrical Connection Ground Via DIN Rail
Solenoid Outputs A 1.0 / A 1.6 / A 2.6 (Software Select-able)
Solenoid Outputs PWM Frequency 100 to 2650 Hz
Solenoid Outputs Dither Frequency 60 to 400 Hz
Solenoid Outputs Dither Amplitude 0 to 30 %
Solenoid Output Sample Time 0.17 mS
Housing Module Snaps to 35mm DIN Rail EN 50022
Housing Material Polyamide PA 6.6
Housing Combustibility Class UL94 VO
Housing Protection Class IP 20
Housing Storage Temperature -20 to +60 °C
Housing Storage Temperature -20 to +70 °C
Housing Humidity 95 % (non codensing)
Electro Magnetic Compatibility Emission EN 61000-6-2
Electro Magnetic Compatibility Immunity EN 61000-6-3
Electro Magnetic Compatibility Vibration Resistence EIC 60068-2-6

Continental Hydraulics – CEM – Open and Closed Loop Control Modules Data Sheet

Continental Hydraulics – CEM – Open and Closed Loop Control Modules Setup Software

Continental Hydraulics – CEM – Open and Closed Loop Control Modules User Manual

Additional Information


Continental Hydraulics

Electronic Control Modules

Axes Positioning


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