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File name CPX200 Service Manual.pdf

CPX200 Dual 35V 10A Power Supply Service Manual Book Part Number 48511-0270 - Issue 1 Table of Contents Specifications Safety EMC General Circuit Descriptions Calibration Parts List Component Layouts Circuit Diagrams 2 4 5 6 7 12 14 22 25 1 Specifications OUTPUT SPECIFICATIONS Voltage Range: Current Range: Power Range: Output Voltage Setting: Output Current Setting: Operating Mode: 0V to 35V 0A to 10A Up to 175W By coarse and fine controls. By single logarithmic control. Constant voltage or constant current with automatic cross-over provided that the power demanded stays within the power envelope, see graph. Outside of this envelope the output becomes unregulated. Output Switch: Output Terminals: Sensing: Output Impedance: Output Protection: Electronic. Preset voltage and current displayed when off. 4mm terminals on 19mm (0·75") pitch. 15A max. Remote via 4mm terminals or direct via shorting links (provided). Typically <5m in constant voltage mode. Typically >5k in constant current mode (voltage limit at max). Forward protection by Over-Voltage Protection (OVP) trip; maximum voltage that should be applied to the terminals is 50V. Reverse protection by diode clamp for reverse currents up to 3A. 10% to 110% of maximum output voltage set by front panel screwdriver adjustment. <0.01% of maximum output for a 90% load change or 10% line change. 5mVrms max; typically <2mVrms, <20mV pk-pk, both outputs fully loaded (7A @ 25V), CV mode. <2ms to within 100mV of set level for 90% load change. Typically <100ppm/°C Output on lamp. Constant voltage mode lamp. Constant current mode lamp. Unregulated (power limit) lamp Trip message on display. OVP Range: Load & Line Regulation: Ripple & Noise (20MHz bandwidth): Transient Load Response: Temperature Coefficient: Status Indication: 2 METER SPECIFICATIONS Meter Types: Meter Resolutions: Meter Accuracies: Dual 4 digit meters with 12.5mm (0.5") LEDs. Reading rate 4 Hz. 10mV, 10mA Voltage 0.2% of reading +/-1 digit, Current 0.5% of reading +/-1 digit GENERAL AC Input: Power Consumption: Operating Range: Storage Range: Environmental: Safety: EMC: Size: Weight: 230V AC ± 14%, 50/60Hz. Installation Category II. 600VA max. +5єc TO +40єC, 20% TO 80% RH. -40єC to + 70єC. Indoor use at altitudes up to 2000m, Pollution Degree 1. Complies with EN61010-1. Complies with EN50081-1 and EN50082-1. 210 x 130 x 350mm (WxHxD) half rack width x 3U height (optional rack mounting kit available). 5kg 3 Safety This power supply is a Safety Class I instrument according to IEC classification and has been designed to meet the requirements of EN61010-1 (Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use). It is an Installation Category II instrument intended for operation from a normal single phase supply. This instrument has been tested in accordance with EN61010-1 and has been supplied in a safe condition. This instruction manual contains some information and warnings which have to be follo