User manual

3.2.2. DC Outputs Specifications
Maximum Usable Power 1900W @ 230VAC, 1260W @ 115VAC
Output Voltages
+3.3V: +3.3 ±0.1V
+5V: +5.1 ±0.1V
+12V: +12.15 ±0.15V
-12V: -12.15 ±0.15V
Maximum Output Currents
+3.3V: 120A (400W)
+5V: 120A (600W)
+12V: 50A (600W)
-12V: 25A (300W)
RMS Ripple 0.1% or 10mV whichever is greater. 20MHz bandwidth
Peak to Peak Noise 1% or 50mV whichever is greater. 20MHz bandwidth
Dynamic Response <2% or 100mV @ 25% load step
Recovery Time To within 1% in <0.3msec
Over-Current Protection
All outputs are protected from short circuit and overload.
Automatic recovery.
Over-Voltage Protection
3.3V and 5V: 122-134%, +12V and –12V: 110-120%.
Turn OFF the crate to reset the Over Voltage Protection.
Thermal Protection
All outputs: disabled when the power supply internal
temperature exceeds safe operating range.
Automatic recovery.
Each output: individually protected.
Turn OFF the crate to reset the Individual Protection.
Warning signal (FAL#) >5msec before shutdown.
3.3. Slot Specifications
Slots
Height: 6U, Width: 20.32mm (0.8 in.).
1 System Slot, 20 Peripheral Slots.
Module Cooling System
Forced air circulation separated from the power supply
cooling. The airflow direction is from the front to the rear
of the crate.
Slot airflow direction from the bottom to top of the
modules.
Three 50 l/s (106 cfm) axial fans.
Airflow per Slot
Typical 6 l/s (12.7 cfm).
Velocity 2.4 m/s (480 lfm) @ 70% cross-section aperture.
Per Slot Cooling Capacity Maximum 60W
Slots Thermal Protection
Separated from the power supply thermal protection.
All power supply outputs are shutdown when the slot
environment exceeds safe operating temperature (60°C).
Warning signal (FAL#) <4msec after the beginning of the
shutdown.
Automatic recovery.
Per Slot Current Capacity See paragraph 3.4.1 Working Currents.
Maximum Module Weight 1.5 kg (3.3 lb.)
User Manual: Agilent Acqiris 21-slot cPCI Crate Page 12 of 19