4
DIGITAL INTERFACES (P models only)
Full digital remote control facilities are available through the RS232, USB, LAN and GPIB interfaces.
General
RS232:
Standard 9-pin D-connector. Variable Baud rate (600 to 19200).
GPIB:
Conforming with IEEE488.1 and IEEE488.2
USB:
Standard USB 2.0 hardware connection. Operates as a virtual COM port.
LAN:
Ethernet 100/10base-T hardware connection. Auto speed detect, auto
MDIX. LXI V1.2, Class C compliant.
Remote Command
Processing Time:
Typically <25ms between receiving the command terminator for a step
voltage change at the instrument and the output voltage beginning to
change.
Status Indication:
Remote mode and LAN status indicators
Main Outputs
Voltage Setting:
16-bit; Resolution 1mV, accuracy ± (0·03% +5mV)
Current Setting:
16-bit; Resolution 0.1mA, accuracy ± (0·2% + 5mA)
Resolution 0.01mA, Accuracy ± (0·2% + 0·5mA) on 500mA range.
Readback V & I
See meter specifications.
Auxiliary Output (T models only)
Voltage Setting:
Resolution 10mV, accuracy ± 0.5% ±10mV
Current Setting:
Resolution 10mA, accuracy ± 0.5% ±10mA
Readback V & I
See meter specifications
GENERAL
AC Input:
230V AC or 115V AC ± 10%, 50/60Hz
Installation Category II
Power Consumption:
Single output: 250VA max; Triple output: 500VA max.
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:
Intelligent variable-speed fan. Over-temperature trip shuts down
output if internal temperatures exceed predetermined thresholds.
Store/Recall:
Up to 50 set-ups each main output, 50 linked set-ups, and 10 auxiliary
output settings can be saved and recalled via the keyboard or remote
interfaces.
Safety:
Complies with EN61010
−
1
EMC:
Complies with EN61326
Size:
Single output: 140 x 160 x 290mm (WxHxD), excl. feet & terminals.
Triple output: 280 x 160 x 290mm (WxHxD), excl. feet & terminals
Weight:
Single: 5.5kg; Triple: 10·5kg
Summary of Contents for QL II Series
Page 1: ...QL Series II Precision Power Supplies Service Manual Book Part Number 48511 1740 Issue 1...
Page 32: ...31 Block Diagram...
Page 33: ...32 Interconnection Diagram SINGLE PSU TRIPLE PSU...
Page 34: ...33 Component Layouts CONTROL PCB...
Page 35: ...34 POWER PCB...
Page 36: ...35 MAIN TERMINAL PCB AUXILIARY POWER PCB TRIPLE ONLY...
Page 37: ...36 INTERFACE PCB...
Page 38: ...37 KEYBOARD DISPLAY PCB SINGLE...
Page 39: ...38 KEYBOARD DISPLAY PCB TRIPLE...
Page 40: ...39 Circuit Diagrams AC SUPPLY CONNECTION PCB MAIN OUTPUT FRONT PANEL TERMINAL PCB...
Page 41: ...QL SERIES II POWER PCB Sheet 1 of 2...
Page 42: ...QL SERIES II POWER PCB Sheet 2 of 2...
Page 43: ...DAC ADC Sample Hold ccts error logic Control Pcb Sheet 1 of 2...
Page 44: ...Voltage Current Control OVP Sense fault trip Control Pcb Sheet 2of 2...
Page 45: ...QL SERIES II AUXILIARY PCB...