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on negative edge. Response time 80 - 100 μs.
Function Strobe: Logic output, active low. Pulse width > 400 μs. Function strobe is
generated on any voltage or frequency program change or output relay
open/close. (Mutually exclusive with Trigger Out.)
Trigger Out: Logic output, active low. Pulse width > 400 μs. Trigger out is generated
based on user programmed transient trigger list. (Mutually exclusive with
Function Strobe.)
Non volatile memory
storage:
16 complete instrument setups and transient lists, 100 events per list.
50 User defined waveforms.
Waveforms i Series: Sine.
iX Series: Sine, square, clipped, user defined
Transients Voltage: drop, step, sag, surge, sweep
Frequency: step, sag, surge, sweep
Voltage and Frequency: step, sweep
Current Limit Modes: Two selectable modes of operation:
1. Constant current mode (voltage folds back with automatic recovery)
2. Constant voltage mode with output relay trip-off (Output relay
opens).
Control Interfaces
USB Standard USB 2.0 peripheral.
Data transfer rate: 460,800 bps
Syntax: SCPI
Note: Use of the USB port to control more than one power
source from a single PC is not recommended, as communication
may not be reliable. Use GPIB interface for multiple power source
control.
IEEE-488 AH1, DC1, DT1, L3, RL2, SH1, SR1, T6
IEEE 488.2 and SCPI
Response time is 10 ms (typical)
(Requires –GPIB option on 751i and 1501i)
LAN / Ethernet RJ45 Connector, 10BaseT, 100BaseT or 1000BaseT,
Data transfer rate: 460,800 bps
Protocol: TCP/IP.
(-LAN Option on 751iX and 1501iX only)
California Instruments 20
User Manual Compact i/iX Series
2.1.6 Unit Protection
Parameter Specification
Input Over current: Input Fuse. This fuse protects the equipment only and is not a branch
protection device. AC input connection should be made using a suitable
branch protection device per local electrical code.
Input Over voltage
Transients:
Surge protection to withstand EN50082-1 (IEC 801-4, 5) levels.
Output Over current: Adjustable level constant current mode with programmable set point.
Output Short Circuit: Peak and RMS current limit.
Over temperature: Automatic shutdown.
California Instruments 21
User Manual Compact i/iX Series
2.2 Mechanical
Parameter Specification
Dimensions: Height: 3.5 inches (8.9 cm)
Depth: 23 inches (58.4 cm)
Width: 19 inches (48.3 cm)
All dimensions are per chassis. For /2 model configurations, multiply
height by 2 for total height. Width includes integrated front panel rack
mount ears.
Equipment Rack depth
requirement
25 inches (63.5 cm)
Unit Weight:
Per chassis
Net:
751i / iX 55 lbs / 25 Kg approximately
1501i / iX 63 lbs / 29 Kg approximately
Shipping:
751i / iX 68 lbs / 31 Kg approximately
1501i / iX 76 lbs / 35 Kg approximately
All weights are per chassis. For /2 model configurations, each chassis is
packaged individually.
Material: Steel chassis with aluminum top cover
Finish: Powder coated external surfaces, color medium gray.
Cooling: Fan cooled with air intake on the sides and front, and exhaust to the rear.
Variable speed fan control.
Acoustic Noise
(Supplemental
specification)
Measured at 1 m distance:
Fan speed: Low power mode Full power mode
Front of unit: 41 dBA 51 dBA
Rear of unit: 43 dBA 56 dBA
Internal Construction: Modular sub assemblies.
Rear Panel
Connections:
(See section 3 for description of connections)
• AC input terminal strip.
• AC output wiring and external sense terminal strip
• USB, GPIB (option on i), LAN (option on iX)
• Auxiliary I/O
• System interface (2x)
California Instruments 22
User Manual Compact i/iX Series
2.3 Environmental
Parameter Specification
Operating Temp: 0° to +40° C, full power.
+32° to +104° F, full power.
Storage Temp: -40° to +85 °C.
-40° to +185° F.
Altitude: < 2000 meters
< 6000 feet
Relative Humidity: 0-80 % RAH, non-condensing maximum for temperatures up to 31°C
decreasing linearly to 50% at 40°C.
Operating Environment Indoors Use Only. Ground benign.
Vibration: Designed to meet NSTA project 1A transportation levels.
Shock: Designed to meet NSTA project 1A transportation levels.
California Instruments 23
User Manual Compact i/iX Series
2.4 Front Panel Controls, Indicators and Display
Controls:
Shuttle knob: The rotating knob may be used to adjust settings while in the SET menu.
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