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Motion Control Solutions

Motion Control Solutions
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Motion Control Solutions

Product catalog summary
Overview
This document provides detailed technical specifications and descriptions of various motion control solutions offered by Continental Hydraulics, focusing on CEM modules. These include power amplifiers and closed-loop control modules designed for hydraulic systems.
CEM-AC Single Channel Power Amplifier
This amplifier mounts directly onto a single solenoid proportional valve coil, supporting a wide range of analog signals with adjustable output characteristics. Key features include user-adjustable PWM and Dither, and non-volatile memory storage for control variables.
Technical Data:
  • Power Supply: 12 to 30 vDC
  • Consumption: <100mA + solenoid
  • Output Current: 1.2A or 2.5A (software selectable)
  • Protection Class: IP 65
CEM-AA Dual Channel Power Amplifier
This versatile amplifier can drive single or dual solenoid valves, accepting various input signals. It offers three function modes and is configurable via CHI-PC software.
Technical Data:
  • Power Supply: 12 to 30 vDC
  • Consumption: 60mA
  • Output: 500-2600 mA
  • Protection Class: IP20
CEM-PA Closed Loop Pressure Amplifier
Designed for precise closed-loop control in pressure, force, or velocity systems, this module uses PID error correction and supports both voltage and current input modes.
Technical Data:
  • Power Supply: 12 to 30 vDC
  • Consumption: 60mA + solenoid current
  • Output: 500-2600 mA
  • Protection Class: IP20
CEM-SA Closed Loop Position Module
Optimized for controlling hydraulic positioning drives, this module offers high precision and stability, supporting both voltage and current input modes.
Technical Data:
  • Power Supply: 12 to 30 vDC
  • Consumption: <100W
  • Resolution: 0.003%
Specifications
  • Material: Polyamide PA 6.6
  • Combustibility Class: UL94 V0
  • Interface: USB in RS 232C Emulation, 9600 to 57600 Baud
  • Weight: 0.17 kg
  • Protection Class: IP20
  • Temperature Range: -20 to 60°C
  • Humidity: <95% (not condensing)
  • Electromagnetic Compatibility: Emission EN 61000-6-2, Immunity EN 61000-6-4
  • Vibration Resistance: IEC 60068-2-6 (category C)
Modules Description
  • Closed Loop Position Module (CEM-SA): High precision and stability for hydraulic drives, configurable via CHI-PC software.
  • Closed Loop Synchronization Module (CEM-MS): Designed for synchronized motion of hydraulic cylinders.
  • Closed Loop By-Pass Synchronization (CEM-BPS): Used with flow divider circuits for synchronization.
  • Closed Loop PID Module (CEM-PID): Suitable for dynamic closed-loop control in pressure, force, or velocity systems.
Technical Data
  • Power Supply: 12 to 30 vDC
  • Consumption: <100mA
  • Analog Inputs: Voltage 0-10 vDC, Current 4-20 mA
  • Digital Inputs/Outputs: Logical 0 = <2V, Logical 1 = >10V
  • Analog Outputs: Voltage 0 to ±10 vDC, Current 5 mA max
Wiring and Connection
Modules are equipped with RS-232 programming ports, USB interfaces, and are designed to snap onto 35mm DIN rails. They are easily configurable using a Microsoft Windows laptop and CHI-PC software.
Accessories
Includes programming cables and boxes for configuring digital valves and control modules, ensuring precise and repeatable control of electronic variables.
Troubleshooting and Configuration Tools
VEA-PB5 and VEA-PB7 Tools: Facilitate troubleshooting and configuration of hydraulic systems, allowing connection to a Microsoft Windows laptop via a VEA-USB programming cable.
VEA-527 Adapter: Connects the VEA-PB5 to proportional valves with onboard electronics.
VEA-3P5C and VEA-3P7C Cordsets: Provide power and signal connections to the CEM AC amplifier and valve controllers.
Software - CHI PC: A free tool for configuring and troubleshooting CHI digital electronics, allowing real-time monitoring and adjustment of system performance.
About Continental Hydraulics
Continental Hydraulics is known for its durable and high-performance products used in challenging applications worldwide, offering innovative engineering and quality customer support since 1962.
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Catalog excerpts

Motion Control Solutions-1

CONTINENTAL HYDRAULICS CEM MODULES | SOFTWARE | TOOLS | ACCESSORIES BRAINS OF ELECTRONICS CONTROLLING THE BRAWN OF HYDRAULICS 5505 WEST 123RD STREET • SAVAGE, MN 55378-1299 / PH: 952.895.6400 / WWW.CONTINENTALHYDRAULICS.COM MOTION CONTROL SOLUTIONS MOTION CONTROL SOLUTIONS

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Motion Control Solutions-2

MOTION CONTROL SOLUTIONS MOTION CONTROL SOLUTIONS TABLE OF CONTENTS CEM-AC Single Channel Power Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3 DIN coil mounted to songle solenoid proportional flow or pressure valve CEM-AA Dual Channel Power Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5 Versatile amplifier with wide range of input signals CEM-PA Closed Loop Pressure Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single channel amplifier for PID closed loop...

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Motion Control Solutions-3

CONTINENTAL c HYDRAULICS SINGLE CHANNEL POWER AMPLIFIER CEM-AC DIN Coil Mount DESCRIPTION This power amplifer mounts directly to a single solenoid proportional valve coil with a DIN style connector, and will drive up to 2.5A. It is suitable to control current to either a proportional flow or pressure valve coil. A wide range of analog signals are accepted. There are two product choices for input; one accepts voltage commands, the other accepts current commands. These inputs are easily scaled to match system requirements. Two independent ramps are available for acceleration and deceleration control. Min...

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Motion Control Solutions-4

IDENTIFICATION CODE SINGLE CHANNEL POWER AMPLIFIER - CEM-AC voltage input command current input command FUNCTIONAL DIAGRAM CEM-AC-E0 (voltage input) CEM-AC-E1 (current input) Command input + (White) Command Return (Black) Input Scaling Output Control Communication (Gray) Control Program WIRING EXAMPLE E0 - Voltage input 12-30vDC Ground E1 - Current input 12-30vDC Ground WWW.CONTINENTALHYDRAULICS.COM - [email protected] Face view of connector on module

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Motion Control Solutions-5

DUAL CHANNEL POWER AMPLIFIERCEM-AA TECHNICAL DATA DESCRIPTION This adaptable Open loop power amplifier is configurable to drive either single or dual solenoid, or two independent proportional valve coils up to 2.6A. A wide range of analog or digital signals are accepted dependent on the configuration. User may select either voltage, current or digital input mode. These inputs are easily scaled to match system requirements. The CEM-AA-B module has three selectable function modes: Function mode AA for operating one single or dual solenoid Proportional Control Valve Function mode A-B for operating...

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Motion Control Solutions-6

CONTINENTAL c: HYDRAULICS DUAL CHANNEL POWER AMPLIFIER - CEM-AA IDENTIFICATION CODE CEM - AA - B I -Dual Channel Power AmplifierFUNCTIONAL DIAGRAM: FUNCTION AA Power supply 12/24 V In the AA function mode (Standard Default) this module accepts a wide variety of analog input signals to control either a single or dual solenoid proportional valve. The input and outputs are easily configured with the CHI-pC configuration software via a standard USB to USB type B communication cable. In the A-B function mode, this module accepts a wide variety of analog input signals to control two separate single...

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Motion Control Solutions-7

FUNCTIONAL DIAGRAM: FUNCTION RA is3 DUAL CHANNEL POWER AMPLIFIER - CEM-AA In the RA function mode, this module accepts 3 independent switch inputs to control either a single or dual solenoid proportional valve. Each input has independent adjustable speed and ramp controls. Inputs are additive for up to 8 unique preset speed and ramp profiles. The input and outputs are easily configured with the CHI-PC configuration software via a standard USB to USB type B communication cable. [email protected] - WWW.CONTINENTALHYDRAULICS.COM

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Motion Control Solutions-8

CLOSED LOOP PRESSURE AMPLIFIERCEM-PA CLOSED LOOP PRESSURE AMPLIFIER - CEM-PA TECHNICAL DATA WWW.CONTINENTALHYDRAULICS.COM - [email protected]

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Motion Control Solutions-9

IDENTIFICATION CODE Internal Power Voltage reference output Input Scaling commands: WS SIGNAL:W RAMPs commands: A: UP A: DOWN commands: C:P C:I C:D C:FF C:T1 C:I_LIM C:I_ACT Output Adaptation Power stage commands: MIN MAX TRIGGER SIGNAL:U SIGNAL:U commands: CURRENT DITHER PWM PPWM IPWM ACC Input Scaling commands: SIGNAL:X N_RANGE:X OFFSET:X Differential input CLOSED LOOP PRESSURE AMPLIFIER - CEM-PA Closed Loop Pressure Amplifier commands: LG TS (Sample time) MODE (Expert or Standard) EOUT (Error Mode) SENS This Closed Loop module has been developed for controlling pressure and force (and optionally...

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Motion Control Solutions-10

CLOSED LOOP POSITION MODULE - CEM-SA TECHNICAL DATA

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Motion Control Solutions-11

IDENTIFICATION CODE CEM - SA - B Closed Loop Position Module FUNCTIONAL DIAGRAM Output signals This Closed Loop module accepts a wide variety of analog input signals. Stroke Dependant Deceleration (SDD Mode) or Numerically Controlled (NC Mode) control functions offer a high degree of precision together with high stability for hydraulic drives. The high accurate positioning or the drift compensation can be used in case of external influence which is limiting the positioning accuracy when the axis is nearby the target position. The input and outputs are easily scaled and configured with the CHI-PC...

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Motion Control Solutions-12

CONTINENTAL c: HYDRAULICS CLOSED LOOP POSITION MODULE - CEM-SD TECHNICAL DATA

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Motion Control Solutions-13

IDENTIFICATION CODE CEM - SD - A CLOSED LOOP POSITION MODULE - CEM-SD Closed Loop Position Module FUNCTIONAL DIAGRAM WIRING EXAMPLE Analog Speed (optional) Analog Command Position Analog Position Feedback (Software select Digital or Analog) 25-32 SSI Serial Communication (6 pins) +24v SSI Digital Position Feeback Enable Power Supply Differential Input on Control Valve [email protected] - WWW.CONTINENTALHYDRAULICS.COM

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Motion Control Solutions-14

CONTINENTAL c: HYDRAULICS CLOSED LOOP SYNCHRONIZATION MODULE - CEM-MS CLOSED LOOP SYNCHRONIZATION MODULECEM-MS TECHNICAL DATA POWER SUPPLY Two Axis Control DESCRIPTION This closed loop position module is to be applied in pairs, each module driving a hydraulic cylinder for a system of synchronized motion. This pair of cylinders can quickly and accurately move hydraulic cylinder loads in unison. Position and velocity commands are from analog sources. Cylinder feedback is from an analog source. Stroke dependent deceleration is used to provide quick and repeatable positioning. Internal ramp and velocity...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.