National Instruments SCXI NI 1357 Manual de usuario

INSTALLATION GUIDE

NI 1357/1358/1359

SCXI Controller/Adapter Kit

This document describes the components, installation, and configuration

of the National Instruments SCXI-1357/1358/1359 and the

NI USB-1357/1358/1359 controller/adapter kits. The SCXI kit connects

a switch controller to an SCXI switch module; the USB kit connects a

computer to an SCXI switch module. Both SCXI and USB kits create

a high-voltage analog backplane and share high-voltage signals among

switches.

Introduction

Note Both SCXI and USB kits connect to an SCXI switch with a 10-pin rear connector.

Refer to the NI Switches Getting Started Guide to determine the switches and switch

controllers that your kit supports.

The NI 1359 kit (2 slots) consists of the following components:

• NI USB-1359

(2-slot high-voltage analog bus (HVAB) backplane adapter with

USB connector)

NI SCXI-1359

(2-slot HVAB backplane adapter with 9-pin DIN connector)

• SH9MD-9MD cable (SCXI kits) or USB cable (USB kits)

The NI 1358 kit (12 slots) consists of the following components:

• NI USB-1359 or NI SCXI-1359

• One 8-slot HVAB backplane adapter

• NI SCXI-1359

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NI 1357/1358/1359 Kit Installation Guide 2 ni.com

• Two 8-pin HVAB plugs

• SH9MD-9MD cable (SCXI kits) or USB cable (USB kits)

The NI 1357 kit (4 slots) consists of the following components:

• NI USB-1359 or NI SCXI-1359

• NI SCXI-1359

• One 8-pin HVAB plug

• SH9MD-9MD cable (SCXI kits) or USB cable (USB kits)

Figure 1 illustrates the components of the NI 1357/1358/1359 kit.

Figure 1. Components of the NI 1357/1358/1359 Controller/Adapter Kit

Installing the Kit

Note Install NI-DAQ 7.4 or later before you install the NI 1357/1358/1359 kit.

Complete the following steps to install the NI 1357/1358/1359 kit:

1. Power off and unplug the SCXI chassis. Follow proper electrostatic

discharge (ESD) precautions and ensure high voltage analog

backplane is not connected before installing the hardware.

1 8-Slot HVAB Backplane Adapter (16 Screws)

2 2-Slot HVAB Backplane Adapter, NI USB-1359

shown (4 Screws)

3 NI SCXI-1359 (4 Screws)

4 8-Pin HVAB Plugs

12 3

300V MAX

HV ANALOG

BUS

300V CAT II

HV ANALOG

BUS

300V MAX

HV ANALOG

BUS

300V MAX

HV ANALOG

BUS

300V MAX

HV ANALOG

BUS

300V MAX

HV ANALOG

BUS

300V MAX

HV ANALOG

BUS

300V CAT II

HV ANALOG

BUS

©National Instruments Corporation 3 NI 1357/1358/1359 Kit Installation Guide

2. Remove the filler panel in an unused SCXI slot.

3. Touch any metal part of the chassis to discharge static electricity.

4. Insert the switch module into the SCXI slot.

5. Screw the switch front panel to the chassis front panel mounting rail.

6. Attach the NI 1359, included with the kit, to the rear of the SCXI

switch module. Ensure that the 10-pin rear connector of the switch

module connects to the lower, right 10-pin rear connector of the

NI 1359 cabled to the computer or the switch controller. Refer to

Figures 2 and 3 to verify the connector positions on the NI 1359.

Figure 2. 2-Slot HVAB Backplane Adapter Connectors

Figure 3. 8-Slot HVAB Backplane Adapter Connectors

1 HVAB Connectors

2 9-Pin DIN Connectors

3 USB Connector

4 10-Pin Rear Connector

1 HVAB Connectors

2 9-Pin DIN Connectors

3 10-Pin Rear Connector

300V MAX

CAT II

HV ANALOG BUS

N114

300V MAX

CAT II

HV ANALOG BUS

300V CAT II

HV ANALOG

BUS

Front Connectors Rear Connectors (Both)

300V MAX

HV ANALOG

BUS

300V CAT II

HV ANALOG

BUS

300V MAX

HV ANALOG

BUS

SCXI-1359 USB-1359

Front Connectors Rear Connectors

300V MAX

HV ANALOG

BUS

300V CAT II

HV ANALOG

BUS

300V MAX

HV ANALOG

BUS

300V CAT II

HV ANALOG

BUS

NI 1357/1358/1359 Kit Installation Guide 4 ni.com

7. Screw the backplane adapter to the chassis mounting rail.

8. Power on the chassis.

9. Cable the kit:

Note To auto-detect the NI USB-1359 and auto-create the SCXI chassis in Measurement

& Automation Explorer (MAX), power on the SCXI chassis before you cable the

NI USB-1359 to the computer. If you are using an NI PXI-1010 chassis, MAX

auto-detects this chassis as an NI SCXI-1000 chassis.

• SCXI kits—Connect one end of the SH9MD-AUX cable to the

NI SCXI-1359 cable adapter and the other end to the

NI 4021/4060/407x switch controller as shown in Figure 4.

Figure 4. Cabling an NI 4021/4060/407xSwitch Controller to a 10-Pin Rear

Connector Switch Module

1SCXISwitch

2 HVAB Connector

3 10-Pin Rear Connector

4 SH9MD-AUX Cable

5 NI 4021/4060/407x

6 NI SCXI-1359

7 NI SCXI-1000/1001 or NI PXI-1010 Chassis

300VMAX

CATII

HVANALOGBUS

300VMAX

CATII

HVANALOGBUS

300VCAT II

HVANALOG

BUS

300VCAT II

HVANALOG

BUS

300V MAX

HV ANALOG

BUS

300V CAT II

HV ANALOG

BUS

300V MAX

HV ANALOG

BUS

300V CAT II

HV ANALOG

BUS

©National Instruments Corporation 5 NI 1357/1358/1359 Kit Installation Guide

• USB kits—Connect one end of the USB cable to the

NI USB-1359 switch controller and the other end to a USB hub

or port on the computer as shown in Figure 5.

Figure 5. Cabling a USB Switch Controller to a 10-Pin Rear Connector Switch Module

10. To add a chassis to the configuration, refer to the Multichassis

Configuration section. If you are not creating a multichassis

configuration, refer to the Configuring the SCXI Switch Module in

MAX section to configure the switch module.

Multichassis Configuration

Complete the following steps to create a multichassis switch configuration:

1. Complete the Installing the Kit section, steps 1 through 7, for each

chassis you want to add to the configuration.

2. Set a distinct address for each chassis. Figure 6 illustrates the address

switches located on the front of the chassis.

1SCXISwitch

2 HVAB Connector

3 10-Pin Rear Connector

4 USB Cable

5 Computer

6 NI USB-1359

7 NI SCXI-1000/1001 or NI PXI-1010 Chassis

300VMAX

CATII

HVANALOGBUS

300VCAT II

HVANALOG

BUS

300VCAT II

HVANALOG

BUS

N114

300V MAX

CAT II

HV ANALOG BUS

300V MAX

CAT II

HV ANALOG BUS

300V CAT II

HV ANALOG

BUS

300V CAT II

HV ANALOG

BUS

NI 1357/1358/1359 Kit Installation Guide 6 ni.com

Figure 6. Chassis Address Switches

3. Refer to the Configuring the SCXI Switch Module in MAX section to

configure the switch modules.

4. Cable the chassis:

• SCXI kits—Complete the following steps to cable the chassis:

a. Designate one chassis to be the first chassis. On the first

chassis, connect one end of an SH9MD-AUX cable to the

AUX IN of the HVAB backplane adapter and the other end to

the NI 4021/4060/407x switch controller.

b. Using another SH9MD-AUX cable, connect the AUX OUT

of the HVAB backplane adapter on the first chassis to the

AUX IN of the HVAB backplane adapter on the next chassis.

c. Repeat step b until the HVAB backplane adapters on each

chassis are connected.

• USB kits—For every NI USB-1359 in the configuration, connect

one end of a USB cable to the NI USB-1359 and the other end to

a USB hub or port on the computer.

1 Chassis Address Switches

POWER

RESET

ADDRESS

RESET

ADDRESS

©National Instruments Corporation 7 NI 1357/1358/1359 Kit Installation Guide

Routing to the High-Voltage Backplane

Caution National Instruments installs safety covers on the HVAB connectors of the

NI 1357/1358/1359 kit. To use the HVAB connectors on the NI 1357/1358/1359 kit,

unscrew and flip back the covers. Always screw in the safety covers when the HVAB

connectors are not in use.

If you are using the NI SCXI-1127/1128/1129/1175, you can use the

NI 1357/1358/1359 kit to create a high-voltage analog backplane.

High-voltage backplanes share high-voltage signals among SCXI switches.

Unlike digital signals from the SH9MD-AUX cable that are routed to only

one switch, high-voltage signals are shared among all SCXI switches that

are connected to the backplane.

Configuring the SCXI Switch Module in MAX

Complete the following steps to configure the SCXI switch module:

Notes If you are using NI-DAQmx to configure SCXI switch modules cabled to an

NI SCXI-1357/1358/1359 kit, proceed directly to step 4 to create a new SCXI chassis.

If you are using NI-DAQmx to configure SCXI switch modules cabled to an

NI USB-1357/1358/1359 kit and the NI USB-1359 is auto-detected and the chassis is

auto-created in MAX, expand the NI-DAQmx Devices tab, right-click the chassis, and

choose Properties.The SCXI Chassis Configuration dialog box opens. The Modules tab

is selected by default. Proceed directly to step 5b to configure the switch module.

If you are using NI-DAQmx to configure an SCXI switch module cabled to an

NI USB-1357/1358/1359 kit and the kit was cabled before the chassis was powered on, the

chassis is not auto-detected and does not appear in MAX. Complete all of the following

steps to create your switch module and the chassis, and, subsequently, configure the switch

module.

1. Power on the chassis.

2. Right-click NI-DAQmx Devices in the configuration tree, and select

Create New NI-DAQmx Device. If you are using a remote RT target,

browse for your switch module under Remote Systems»Devices and

Interfaces»NI-DAQmx Devices.

NI 1357/1358/1359 Kit Installation Guide 8 ni.com

3. Select NI-DAQmx SCXI Chassis, and choose the chassis.

The Create New SCXI Chassis dialog box opens as shown in Figure 7.

Figure 7. Configuring the Create New SCXI Dialog Box

4. Create a new SCXI chassis:

Note If you are using an NI PXI-1010 chassis and the switch controller is not in the

rightmost PXI slot, create the chassis as an NI SCXI-1000 in MAX.

a. Select the switch controller (NI USB-1359 or

NI 4021/4060/407x) cabled to the communicating SCXI switch

module from the Chassis Communicator listbox. If MAX

detects only one communicating device, this device is selected as

the chassis communicator by default and the listbox is dimmed.

b. SCXI kits only—Select the module slot connected to the chassis

communicator from the Communicating SCXI Module Slot

listbox.

c. Enter the chassis address setting in the Chassis Address field.

Ensure that the setting you enter matches the address setting on

the SCXI chassis as shown in Figure 6.

d. Enable the auto-detect option to auto-detect installed SCXI switch

modules. If you do not auto-detect switch modules, MAX disables

the Communicating SCXI Module Slot listbox.

e. Click Save.

After creating a new chassis, the SCXI Chassis Configuration dialog

box opens as shown in Figure 8. The Modules tab is selected by

default.

©National Instruments Corporation 9 NI 1357/1358/1359 Kit Installation Guide

Figure 8. Configuring the SCXI Chassis Configuration Dialog Box

5. Configure the SCXI switch module:

a. If you did not enable auto-detection of the switch module in

step 4d, select an SCXI switch module from the Module Array

listbox. Assign the switch module the slot number that matches

the physical slot location of the switch module in the chassis.

b. MAX assigns a default name to the SCXI switch module in the

Device Identifier textbox. The Device Identifier is the

resource name string in NI-SWITCH and the switch device

string in NI-DAQmx. To edit the default name, click the Device

Identifier textbox and enter a unique alphanumeric ID for the

switch module.

c. If you are using a connected accessory, such as a terminal block,

select it from the Accessory listbox.

6. Click Details to configure the switch module options.

The Details dialog box for the switch module configuration dialog box

opens. The Terminal Block/Topology tab is selected by default.

7. Configure the Details dialog box for an SCXI switch module:

Note During scanning, the NI SCXI-1127/1128 can connect to the HVAB. To configure

the switch module to automatically connect to the HVAB during scanning, enable the

optional checkbox in the Details dialog box.

a. Select the terminal block connected to the switch module from the

Terminal Block/Topology listbox.

b. Set a default topology from the Topology listbox.

NI 1357/1358/1359 Kit Installation Guide 10 ni.com

c. Select the Channels tab.

d. Designate source channels for the topology selected in the

Terminal Block/Topology tab. Notice that you can set different

source channels for each topology.

e. Designate reserved channels for routing. Notice that you can

reserve different channels for routing in each topology.

f. Click OK to accept the changes.

8. To configure additional SCXI switch modules, repeat steps 6 and 7.

9. If necessary, select the Chassis tab to modify chassis settings.

10. Click OK to accept and save the settings for the chassis.

Note You cannot save the chassis configuration until after you enter the switch module

information. A message at the top of the SCXI Chassis Configuration dialog box displays

the configuration status. If a warning appears in the message box, you can save the

configuration. If an error appears in the message box, you cannot save the configuration.

11. To test the configuration, right-click the chassis name listed under

Devices and Interfaces, and select Test.

After the test, a message indicates successful verification of the

configuration or if an error occurred. If an error occurs, refer to

ni.com/support/install for troubleshooting information.

Specifications

Maximum Voltage

Terminal to earth ....................................300 Vrms or VDC

Terminal to terminal ...............................300 Vrms or VDC

Maximum Current

Maximum current (per channel) .............2 ADC, 2 AAC

Bus Interface

USB specification ...................................USB 2.0 full-speed

USB bus speed........................................12 Mb/s

USB Power Requirements

5 VDC.....................................................25 mA typical, 100 mA max

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