National Instruments NI SCXI 1357 User manual

National Instruments USB-1359 Manual
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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)
or
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
4

©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
1
2
11
Front Connectors Rear Connectors (Both)
300V MAX
HV ANALOG
BUS
300V CAT II
HV ANALOG
BUS
300V MAX
HV ANALOG
BUS
3
SCXI-1359 USB-1359
4
2
Front Connectors Rear Connectors
1
Front Connectors Rear Connectors
1
3
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
or
5
4
17
6
3
2

©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
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
or
5
17
6
4
3
2

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
®
5
4
3
2
1
POWER
RESET
ADDRESS
1
RESET
ADDRESS
ON
5
4
3
2
1

©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

©National Instruments Corporation 11 NI 1357/1358/1359 Kit Installation Guide
Derating Modules that Share the HVAB
Caution As a safety precaution, modules that share a common HVAB must be derated to
their lowest common voltage rating, even if they do not connect signals to the backplane.
The following examples demonstrate how to derate switch modules:
Example 1
NI SCXI-1000 chassis
NI SCXI-1359 2-slot backplane adapter behind Slots 3 and 4
NI SCXI-1127 (300 V, CAT II) in Slot 4
NI SCXI-1129 (150 V, CAT I) in Slot 3
Both modules share the HVAB. Therefore, the NI SCXI-1127 must not
exceed the rating of the NI SCXI-1129 (150 V, CAT I).
Example 2
NI SCXI-1000 chassis
NI SCXI-1359 2-slot backplane adapter behind Slots 3 and 4
NI SCXI-1127 (300 V, CAT II) in Slot 4
NI SCXI-1129 (150 V, CAT I) in Slot 2
The NI SCXI-1127 does not share the HVAB with the NI SCXI-1129.
Therefore, the NI SCXI-1127 can operate at the full rating (300 V, CAT II).
Example 3
NI SCXI-1000 chassis
NI SCXI-1359 2-slot backplane adapter behind Slots 3 and 4
NI SCXI-1127 (300 V, CAT II) in Slot 4
NI SCXI-1190 (30 V, CAT I) in Slot 3
The NI SCXI-1190 does not have a HVAB connector. Therefore, the
NI SCXI-1127 can operate at the full rating (300 V, CAT II).
Environment
The NI 1357/1358/1359 kit is intended for indoor use only.
Operating temperature............................ 0 °C to 50 °C
Storage temperature ............................... –20 °C to 70 °C
Relative humidity................................... 10% to 90%, noncondensing
Measurement Category .......................... II

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© 2005–2007 National Instruments Corporation. All rights reserved. 374133C Dec07
Maximum altitude...................................2,000 m
Pollution Degree .....................................2
Safety
This product is designed to meet 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
• CAN/CSA-C22.2 No. 61010-1
Note For UL and other safety certifications, refer to the product label or visit
ni.com/certification, search by model number or product line, and click the
appropriate link in the Certification column.
Electromagnetic Compatibility
Emissions................................................EN 55011 Class A at 10 m
FCC Part 15A above 1 GHz
Immunity ................................................EN 61326:1997 + A2:2001,
Table 1
CE, C-Tick, and FCC Part 15 (Class A) Compliant
Note For EMC compliance, operate this device with shielded cabling.
CE Compliance
This product meets the essential requirements of applicable European
Directives, as amended for CE marking, as follows:
Low-Voltage Directive (safety)..............73/23/EEC
Electromagnetic Compatibility
Directive (EMC) .....................................89/336/EEC
Note Refer to the Declaration of Conformity (DoC) for this product for any
additional regulatory compliance information. To obtain 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.