PCI/PXI-8531 Specifications

PCI/PXI-8531 Specifications

This topic lists specifications for PCI/PXI-8531 hardware.

Note NI-Industrial Communications for DeviceNet only supports the following baud rates: 125 Kb/s, 250 Kb/s, and 500 Kb/s.

9-Pin D-Sub Connector

The PCI/PXI-8531 has a D-Sub terminal connector. The following figure and table show the pinout for this connector.

Figure 1. 9-pin D-Sub Connector
Table 1. Signal Descriptions
Pin Signal Description
1 NC No connection.
2 CAN_L CAN_L bus line.
3 V— CAN reference ground.
4 NC No connection.
5 (SHLD) Optional CAN shield.
6 (COM) Optional CAN reference ground.
7 CAN_H CAN_H bus line.
8 NC No connection.
9 (V+) Also referred to as Ext_Vbat, this is an optional CAN power supply if bus power/external VBAT is required.

CAN Physical Layers

Table 2. High-Speed CAN
Transceiver NXP PCA82C251
Max baud rate 1 Mb/s
Min baud rate 10 Kb/s
CAN_H, CAN_L bus lines –36 to +36 VDC
Table 3. External CAN Transceiver Digital I/O Characteristics
Parameter Min Max
Output0, Output1
VOH (IOH = –8 mA) 3.8 V —
VOL (IOL = 8 mA) — 0.44 V
NERR
VIH 2.0 V —
VIL — 0.8 V

Physical Dimensions

Dimensions (PCI devices) 10.67 x 16.76 cm (4.2 x 6.6 in.)
Dimensions (PXI devices) 10.00 x 16.00 cm (3.9 x 6.3 in.)
I/O connector 9-pin male D-SUB for each port

Power Requirements

Table 4. CAN Power Requirements
+5 VDC (±5%) 640 mA typical
+3.3 VDC (±5%) 940 mA typical

Shock (PXI Devices)

Operating 30 g peak, half-sine, 11 ms pulse (Tested in accordance with IEC-60068-2-27. Test profile developed in accordance with MIL-PRF-28800F.)

Random Vibration (PXI Devices)

Operating 5 to 500 Hz, 0.3 grms
Non-operating 5 to 500 Hz, 2.4 grms (Tested in accordance with IEC-60068-2-64. Non-operating test profile exceeds the requirements of MIL-PRF-28800F, Class 3.)

Safety

Table 5. Isolation Voltages (Port-to-Port Ground)
Withstand 500 Vrms, verified by a 5 s dielectric withstand test
Continuous 60 VDC, Measurement Category I
Table 6. Isolation Voltages (Port-to-Earth Ground)
Withstand 500 Vrms, verified by a 5 s dielectric withstand test
Continuous 60 VDC, Measurement Category I

Safety Standards

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

  • IEC 61010-1, EN 61010-1
  • UL 61010-1, CSA 61010-1

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

Environmental

Operating temperature 0 to 55 °C
Storage temperature –20 to 70 °C (Tested in accordance with IEC-60068-2-1 and IEC-60068-2-2.)
Operating humidity 10 to 90% RH, noncondensing
Storage humidity 5 to 95% RH, noncondensing (Tested in accordance with IEC-60068-2-56.)
Maximum altitude 2000 m
Pollution Degree (IEC 60664) 2

Indoor use only.

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 EMC compliance, operate this product according to the documentation.

CE Compliance

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

  • 2006/95/EC; Low-Voltage Directive (safety)
  • 2004/108/EC; 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 NI and the Environment 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.)