PXIe-1078 Specifications

Electrical

The following section provides information about the PXIe-1078 AC input and DC output.

AC Input

Input voltage range

100 to 240 VAC

Operating voltage range

90 to 264 VAC

Input current rating

7 to 3.5 A

Input frequency

50/60 Hz

Operating frequency range^[1]

47 to 63 Hz

Line regulation
3.3 V	<±0.2%
5 V	<±0.1%
±12 V	<±0.1%

Efficiency

70% typical

Power disconnect

The AC power cable provides main power disconnect.

DC Output

Table 1. DC current capacity (I_mp)
Voltage	Maximum Current
+3.3 V	28.5 A
+5 V	26.5 A
+12 V	22.0 A
-12 V	0.75 A
5 V_AUX	1.5 A

Note Maximum total usable power is 300 W .

Total usable power derates linearly to 288 W from 40 °C to 50 °C operating ambient temperature range.

The maximum combined power available on +3.3 V and +5 V is 125 W.

The maximum combined power available on +3.3 V and +5 V derates linearly to 100 W from 40 °C to 50 °C operating ambient temperature range.

The maximum available current from +12 V derates linearly to 16.5 A from 40 °C to 50 °C operating ambient temperature range.

The -12 V regulation is ± 5% for loads of 8 A or less on the +12 V rail.

Table 2. Backplane slot current capacity
Slot	+5 V	V (I/O)	+3.3 V	+12 V	-12 V	5 V_AUX
System Controller Slot	15 A	-	15 A	30 A	-	1 A
Hybrid Peripheral Slot with PXI-1 Peripheral	6 A	5 A	6 A	1 A	1 A	-
Hybrid Peripheral Slot with PXI-5 Peripheral	-	-	6 A	4 A	-	1 A
PXI-1 Peripheral Slot	-	-	3 A	3 A	-	1 A

Note Total system slot current should not exceed 45 A.

PCI V(I/O) pins in PXI-1 peripheral slots and hybrid peripheral slots are connected to +5 V.

The maximum power dissipated in the system slot should not exceed 140 W.

The maximum power dissipated in a peripheral slot should not exceed 38.25 W.

Chassis Cooling

Per slot cooling capacity	38.25 W
Module cooling system	Forced air circulation (positive pressurization) through two 150 CFM fans with High/Auto speed selector
Slot airflow direction	Bottom of module to top of module
Module cooling intake	Bottom of chassis
Module cooling exhaust	Right side, rear, and top of chassis
Power supply cooling system	Forced air circulation through integrated fan
Power supply cooling intake	Front and left side of chassis
Power supply cooling exhaust	Rear of chassis

Environmental

Maximum altitude	2,000 m (800 mbar) (at 25 °C ambient)
Measurement Category	II
Pollution Degree	2

Indoor use only.

Operating Environment

Ambient temperature range	0 °C to 50 °C (Tested in accordance with IEC-60068-2-1 and IEC-60068-2-2. Meets MIL-PRF-28800F Class 3 low temperature limit and MIL-PRF-28800F Class 2 high temperature limit.)
Relative humidity range	20% to 90%, noncondensing (Tested in accordance with IEC-60068-2-56.)

Storage Environment

Ambient temperature range	–40 °C to 71 °C (Tested in accordance with IEC-60068-2-1 and IEC-60068-2-2. Meets MIL-PRF-28800F Class 3 limits.)
Relative humidity range	10% to 95%, noncondensing (Tested in accordance with IEC-60068-2-56.)

Shock and Vibration

Operational shock	30 g peak, half-sine, 11 ms pulse (Tested in accordance with IEC-60068-2-27. Meets MIL-PRF-28800F Class 2 limits.)
Random Vibration Operating	5 to 500 Hz, 0.3 g_rms
Nonoperating	5 to 500 Hz, 2.4 g_rms (Tested in accordance with IEC-60068-2-64. Nonoperating test profile exceeds the requirements of MIL-PRF-28800F, Class 3.)

Sound Pressure Level (at Operator Position)

(Tested in accordance with ISO 7779. Meets MIL-PRF-28800F requirements.)

Auto fan (up to ~30 °C ambient)	49.9 dBA
High fan	65.4 dBA

Sound Power

Auto fan (up to ~30 °C ambient)	59.3 dBA
High fan	74.1 dBA

Safety Compliance Standards

This product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:

IEC 61010-1, EN 61010-1
UL 61010-1, CSA C22.2 No. 61010-1

Note For safety certifications, refer to the product label or the Product Certifications and Declarations section.

Electromagnetic Compatibility

This product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use:

EN 61326 (IEC 61326): Class A emissions; Basic immunity
EN 55011 (CISPR 11): Group 1, Class A emissions
AS/NZS CISPR 11: Group 1, Class A emissions
FCC 47 CFR Part 15B: Class A emissions
ICES-001: Class A emissions

Note For the standards applied to assess the EMC of this product, refer to the Online Product Certification section.

Note For EMC compliance, operate this device with shielded cabling.

CE Compliance

This product meets the essential requirements of applicable European Directives, as follows:

2014/35/EU; Low-Voltage Directive (safety)
2014/30/EU; Electromagnetic Compatibility Directive (EMC)
2011/65/EU; Restriction of Hazardous Substances (RoHS)
2014/53/EU; Radio Equipment Directive (RED)
2014/34/EU; Potentially Explosive Atmospheres (ATEX)

Product Certifications and Declarations

Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for NI products, visit ni.com/product-certifications, search by model number, and click the appropriate link.

Environmental Management

NI is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers.

For additional environmental information, refer to the Engineering a Healthy Planet web page at ni.com/environment. This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document.

EU and UK Customers

Waste Electrical and Electronic Equipment (WEEE)—At the end of the product life cycle, all NI products must be disposed of according to local laws and regulations. For more information about how to recycle NI products in your region, visit ni.com/environment/weee.

电子信息产品污染控制管理办法（中国RoHS）

中国RoHS— NI符合中国电子信息产品中限制使用某些有害物质指令(RoHS)。关于NI中国RoHS合规性信息，请登录 ni.com/environment/rohs_china。(For information about China RoHS compliance, go to ni.com/environment/rohs_china.)

Backplane

Size	3U-sized; one system slot (with three system expansion slots) and 8 peripheral slots. Compliant with IEEE 1101.10 mechanical packaging. PXI Express Specification compliant. Accepts both PXI Express and CompactPCI (PICMG 2.0 R 3.0) 3U modules.
Backplane bare-board material	UL 94 V-0 Recognized
Backplane connectors	Conforms to IEC 917 and IEC 1076-4-101, UL 94 V-0 rated

System Synchronization Clocks (PXI_CLK10, PXIe_CLK100, PXIe_SYNC100)

10 MHz System Reference Clock: PXI_CLK10

Maximum slot-to-slot skew	500 ps
Accuracy	±25 ppm max (guaranteed over the operating temperature range)
Maximum jitter	5 ps RMS phase-jitter (10 Hz–1 MHz range)
Duty-factor	45% to 55%
Unloaded signal swing	3.3 V ±0.3 V

Note For other specifications, refer to the PXI-1 Hardware Specification.

100 MHz System Reference Clock: PXIe_CLK100 and PXIe_SYNC100

Maximum slot-to-slot skew	100 ps
Accuracy	±25 ppm max (guaranteed over the operating temperature range)
Maximum jitter	3 ps RMS phase-jitter (10 Hz to 12 kHz range), 2 ps RMS phase-jitter (12 kHz to 20 MHz range)
Duty-factor for PXIe_CLK100	45% to 55%
Absolute differential voltage (When terminated with a 50 Ω load to 1.30 V or Thévenin equivalent)	400 to 1000 mV

Note For other specifications, refer to the PXI-5 PXI Express Hardware Specification

Mechanical

Standard chassis dimensions
Height	6.97 in. (177 mm)
Width	14.00 in. (355.6 mm)
Depth	8.43 in. (214.2 mm)

Weight	16.6 lb (7.55 kg)
Chassis materials	Stainless Steel, Extruded Aluminum, Cold Rolled Steel, and PC-ABS
Finish	. Conductive Clear Iridite on Aluminum, Clear Chromate Zinc Plating on Cold Rolled Steel, Polyurethane Enamel, and Polyester Urethane Powder Paint

The following figures show the PXIe-1078 chassis dimensions. The holes shown are for the installation of the optional rack mount kits. You can install those kits on the front or rear of the chassis, depending on which end of the chassis you want to face toward the front of the instrument cabinet. Notice that the front and rear chassis mounting holes (size M4) are symmetrical.