Specifications

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Last Modified: September 18, 2018

This section contains specifications for the PXIe-1085 chassis.

Caution

Specifications are subject to change without notice.

Electrical

The following section provides information about the PXIe-1085 AC input and DC output.

AC Input

Input voltage range

100 to 240 VAC

Operating voltage range^[1]

90 to 264 VAC

Input current rating

12 to 6 A

Input frequency

50/60 Hz

Operating frequency range¹

47 to 63 Hz

Over-current protection

15 A circuit breaker

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. Do not position the equipment so that it is difficult to disconnect the power cord. The front-panel power switch causes the internal chassis power supply to provide DC power to the CompactPCI/PXI Express backplane. You also can use the rear-panel 8-pin connector and inhibit mode switch to control the internal chassis power supply.

DC Output

Table 1. DC current capacity (I _mp)

Voltage	Maximum Current
Voltage	PXIe-1085 12 GB/s	PXIe-1085 24 GB/s
+3.3 V	60 A	60 A
+5 V	44 A	49 A
+12 V	62 A	62 A
-12 V	4 A	4A
5 V_AUX	2 A	2 A

Note

Maximum total usable power is for the PXIe-1085 12 GB/s is 791 W. Maximum total usable power for the PXIe-1085 24 GB/s is 775 W.

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
System Timing Slot	-	-	6 A	4 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	6 A	11 A	6 A	1 A	1 A	-

Note

Total system slot current should not exceed 45 A.

Note

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

Note

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

Note

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

Table 3. Load regulation

Voltage	Load Regulation
+3.3 V	<5%
+12 V	<5%
+5 V	<5%
-12 V	<5%

Table 4. Maximum ripple and noise (20 MHz bandwidth)

Voltage	Maximum Ripple and Noise
+3.3 V	50 mV_pp
+12 V	50 mV_pp
+5 V	50 mV_pp
-12 V	50 mV_pp

Over-current protection	All outputs protected from short circuit and overload with automatic recovery
Over-voltage protection, 3.3 V and 5 V	Clamped at 20 to 30% above nominal output voltage
Power supply shuttle MTTR	Replacement in under 5 minutes

Remote Inhibit and Voltage Monitoring Connector

Fault output signal

V_OH	3.8 V (I_OH = -8 mA)
V_OL	0.44 V (I_OH = 8 mA)

Inhibit input signal

V_IH	3.5 V (min)
V_IL	1.5 V (max)

Note

Internal 10 kΩ pull-up to 5 V_AUX.

Chassis Cooling

Module cooling system	Forced air circulation (positive pressurization) through three 169 cfm fans with High/Auto speed selector
Slot airflow direction	Bottom of module to top of module
Module cooling intake	Bottom rear of chassis
Module cooling exhaust	Along both sides and top of chassis
Power supply cooling system	Forced air circulation through two integrated fans
Power supply cooling intake	Right side of chassis
Power supply cooling exhaust	Left side of chassis

Environmental

Maximum altitude	2,000 m (800 mbar) (at 25 °C ambient)
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 temperature limits.)
Relative humidity range	5% to 95%, noncondensing (Tested to temperature and humidity levels specified in MIL-PRF-28800F.)

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	5% 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

Acoustic Emissions

Sound Pressure Level (at Operator Position)

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

Auto fan (up to ~30 °C ambient)	57.0 dBA
High fan	69.0 dBA

Sound Power

Auto fan (up to ~30 °C ambient)	63.3 dBA
High fan	79.3 dBA

Caution

The protection provided by the PXIe-1085 Series can be impaired if it is used in a manner not described in this document.

Safety

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 61010-1

Note

For UL and other safety certifications, refer to the product label or the Online Product Certification section.

Electromagnetic Compatibility

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

EN 61326-1 (IEC 61326-1): Class A emissions; Basic immunity
EN 55011 (CISPR 11): Group 1, Class A emissions
EN 55022 (CISPR 22): Class A emissions
EN 55024 (CISPR 24): Immunity
AS/NZS CISPR 11: Group 1, Class A emissions
AS/NZS CISPR 22: Class A emissions
FCC 47 CFR Part 15B: Class A emissions
ICES-001: Class A emissions

Note

In the United States (per FCC 47 CFR), Class A equipment is intended for use in commercial, light industrial, and heavy industrial locations. In Europe, Canada, Australia, and New Zealand (per CISPR 11), Class A equipment is intended for use only in heavy industrial locations.

Note

Group 1 equipment (per CISPR 11) is any industrial, scientific, or medical equipment that does not intentionally generate radio frequency energy for the treatment of material or inspection/analysis purposes.

Note

For EMC declarations and certifications and additional information, refer to the Online Product Certification section

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)

Online Product Certification

Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for this product, visit ni.com/certification, search by model number or product line, and click the appropriate link in the Certification column.

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 Minimize Our Environmental Impact 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.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers

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）

中国客户

National Instruments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National Instruments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 17 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

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

External 10 MHz Reference Out

(BNC on rear panel of chassis)

Accuracy	±25 ppm max (guaranteed over the operating temperature range)
Maximum jitter	5 ps RMS phase-jitter (10 Hz to 1 MHz range)
Output amplitude	1 V_PP ±20% square-wave into 50 Ω, 2 V_PP unloaded
Output impedance	50 Ω ±5 Ω

External Clock Source

Frequency

10 MHz ±100 ppm

Input amplitude
Rear panel BNC	200 mV_PP to 5 V_PP square-wave or sine-wave
System timing slot PXI_CLK10_IN	5 V or 3.3 V TTL signal

Rear panel BNC input impedance

50 Ω ±5 Ω

Maximum jitter introduced by backplane

1 ps RMS phase-jitter (10 Hz to 1 MHz range)

PXIe_SYNC_CTRL

V_IH	2.0 to 5.5 V
V_IL	0 to 0.8 V

PXI Star Trigger

Maximum slot-to-slot skew	250 ps
Backplane characteristic impedance	65 Ω ±10%

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

PXI Differential Star Triggers

(PXIe-DSTARA, PXIe-DSTARB, PXIe-DSTARC)

Maximum slot-to-slot skew	150 ps
Maximum differential skew	25 ps
Backplane differential impedance	100 Ω ±10%

For other specifications, the PXIe-1085 complies with the PXI-5 PXI Express Hardware Specification.

Mechanical

Standard chassis dimensions
Height	10.59 in. (268.7 mm)
Width	18.39 in. (467.1 mm)
Depth	18.76 in. (476.5 mm)

Weight	40.3 lb (18.28 kg)
Chassis materials	Sheet Aluminum (5052-H32, 5754-H22), Extruded Aluminum (6063-T5, 6060-T6), Plate Aluminum (6063-T5, 6061-T6), Cold Rolled Steel, Cold Rolled Stainless Steel, Sheet Copper (C110), Santoprene, Urethane Foam, PC-ABS, Nylon, Polycarbonate, Delrin, Polyethylene, Polyamide (FR-106), Neodymium Magnet
Finish	Conductive Clear Iridite on Aluminum Electroplated Nickel on Cold Rolled Steel Polyurethane Enamel

The following figures show the PXIe-1085 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.

Figure 1. PXIe-1085 Chassis Dimensions (Front and Side)

Figure 2. PXIe-1085 Chassis Dimensions (Bottom)

Figure 3. NI Chassis Rack Mount Kit Components

Front Rack Mount Kit
PXIe-1085 Chassis
Rear Rack Mount Kit

¹ The operating range is guaranteed by design.

Table Of Contents

Electrical

AC Input

DC Output

Remote Inhibit and Voltage Monitoring Connector

Chassis Cooling

Environmental

Operating Environment

Storage Environment

Shock and Vibration

Acoustic Emissions

Sound Pressure Level (at Operator Position)

Sound Power

Safety

Electromagnetic Compatibility

CE Compliance

Online Product Certification

Environmental Management

Waste Electrical and Electronic Equipment (WEEE)

电子信息产品污染控制管理办法（中国RoHS）

Backplane

10 MHz System Reference Clock: PXI_CLK10

100 MHz System Reference Clock: PXIe_CLK100 and PXIe_SYNC100

External 10 MHz Reference Out

External Clock Source

PXIe_SYNC_CTRL

PXI Star Trigger

PXI Differential Star Triggers

Mechanical

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