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OUTPUT SPECIFICATIONS (each output)
- Voltage/Current/Power Levels
Voltage Range: 0V to 60V.
Current Range: 0A to 20A.
Note: Actual maxima for voltage and current are typically 1% greater than the figures given above.
Power Range: Up to 420W subject to power envelope.
- Output Performance
Ripple & Noise: Typically <3mV rms, <15mV pk-pk, (5mV rms max.) in CV mode.
Load Regulation: Voltage - <0·01% of maximum output for any load change within
the PowerFlex envelope (remote sense connected).
Current - <0·05% of maximum output for any load change within
the PowerFlex envelope.
Line Regulation: Voltage - <0·01% of maximum output for a 10% line change.
Current - <0·01% of maximum output for a 10% line change.
Transient Response: <250µs to within 50mV of setting for a 5% to 95% load change.
Temp. Coefficient: Typically <100ppm/°C
- Output Protection
Output Protection: Forward protection by Over-voltage Protection (OVP) trip.
Reverse protection by diode clamp for currents to 3A.
OVP Setting/Range: Via screwdriver adjustable preset on front panel. Range 1V to 66V
Over-temperature: Output trips off for over-temperature.
Safety Interlocks: Operations that could cause an unexpected change in voltage or
current settings are interlocked with the output switch.
- Output Connections
Output Terminals: Universal 4mm safety binding posts on 19mm (0·75”) spacing at front.
Screw terminals at rear (CPX400SA, SP & DP only).
Terminals can accept fixed shroud 4mm plugs, standard 4mm plugs, fork terminals and bare wires.
Remote Sense
Sense Selection: Voltage sensing is selected as Local or Remote by front panel switch.
Sense Terminals: Sprung loaded screw-less terminals at front.
Screw terminals at rear (CPX400SA, SP & DP only)
METER SPECIFICATIONS (each output)
Display Type: Dual 4-digit meters, 10mm (0·39”) LED.
Voltage Meter
Resolution/ Accuracy: 10mV / ± 0·1% of reading ± 2 digits
Current Meter
Resolution/ Accuracy: 10mA / ± 0·3% of reading ± 20mA
ANALOGUE REMOTE INTERFACE (CPX400SA only)
The CPX400SA offers galvanically isolated analogue remote control of voltage and current
from control voltages. Voltage and current front panel settings generate non-isolated analogue
output voltages that can be used to control slave power supplies.
Input Scaling: 0 to 100% control of voltage or current from 0 to 5V or 0 to 10V
(selectable)
Input Accuracy: Voltage: 0.3% ±20mV. Current: 0.5% ±50mA.
Input impedance 10kW
Output Scaling: Set values of 0 to 100% of rated output voltage and current
generate 0 to 5V (not isolated)
Output Accuracy: Voltage: 0.3% ±20mV. Current: 0.5% ±50mA.
Output impedance 125W
Remote On/Off: Output On/Off can be controlled by external switch closure
(not isolated)
GENERAL SPECIFICATIONS
Input
AC Input: 110 to 240 volts ±10% 50/60Hz. Installation Category II.
Input Power: Single - 625VA, Dual - 1250VA max.
Temperature & Environmental
Operating Range: +5ºC to +40ºC, 20% to 80% RH
Storage Range: -40ºC to + 70ºC
Environmental: Indoor use at altitudes up to 2000m, Pollution Degree 2.
Cooling: Rear discharge variable speed fan.
Safety & EMC
Safety: Complies with EN61010-1
EMC: Complies with EN61326
Physical
Size: Single - 107 x 130 (¼ rack 3U) x 398mm
Dual - 210 x 130 mm (½ rack 3U) x 377mm
(size excludes feet, knobs and terminals).
Weight: Single - 4.25kg (9.35lb), Dual - 6.3kg (13.9lb)
