NI GPIB Series Instrucciones de instalación
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1
GPIB Hardware Guide
CONFIGURATION AND INSTALLATION
AT-GPIB-TNT
GPIB-PCII/IIA
PC/104-GPIB
NEC-GPIB/TNT
INSTALLATION
AT-GPIB/TNT (PnP) and AT-GPIB/TNT+
GPIB-1394
GPIB-USB-A
NEC-GPIB/TNT (PnP)
PCI-GPIB and PCI-GPIB+
PCMCIA-GPIB and PCMCIA-GPIB+
PMC-GPIB
PXI-GPIB
SPECIFICATIONS
TECHNICAL SUPPORT
IMPORTANT INFORMATION
COMPLIANCE
322296B-01, March 2000
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2
Configure and Install Your AT-GPIB/TNT
1. Configure the AT-GPIB/TNT Base I/O Address
2. Configure the AT-GPIB/TNT Interrupt Line (IRQ).
3. Configure the AT-GPIB/TNT DMA Channel.
After you finish these steps, you are ready to Install the AT-GPIB/TNT.
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Step
4
Configure the AT-GPIB/TNT Base I/O Address
Click on the base I/O address assigned to your AT-GPIB/TNT from the list below, and change the
switch settings to match the base I/O address assigned to your board.
If you do not know what resources were assigned to your AT-GPIB/TNT, click here to Determine
Assigned Resources.
100 200 300
120 220 320
140 240 340
160 260 360
180 280 380
1A0 2A0 3A0
1C0 2C0*3C0
1E0 2E0 3E0
* default setting
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Table 1. Possible Base I/O Address Switch Settings for AT-GPIB/TNT
Base I/O
Address (hex) Switch Setting
Base I/O
Address (hex) Switch Setting
100 120
140 160
180 1A0
1C0 1E0
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
View Parts
Locator
Diagram
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200 220
240 260
280 2A0
2C0 2E0
Table 1. Possible Base I/O Address Switch Settings for AT-GPIB/TNT (Continued)
Base I/O
Address (hex) Switch Setting
Base I/O
Address (hex) Switch Setting
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
View Parts
Locator
Diagram
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Step
7
300 320
340 360
380 3A0
3C0 3E0
Table 1. Possible Base I/O Address Switch Settings for AT-GPIB/TNT (Continued)
Base I/O
Address (hex) Switch Setting
Base I/O
Address (hex) Switch Setting
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
A9
OFF
A8
A7
A6
A5
View Parts
Locator
Diagram
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Step
8
Configure the AT-GPIB/TNT Interrupt Line (IRQ)
Change the jumper settings to match the interrupt line (IRQ) assigned to your board. By default,
the AT-GPIB/TNT is configured to use interrupt line (IRQ) 11.
If you do not know what resources were assigned to your AT-GPIB/TNT, click here to Determine
Assigned Resources.
Table 2. AT-GPIB/TNT Interrupt Line Configurations
Interrupt Line (IRQ) Interrupt Jumper Setting
10, 11, 12, or 15
(IRQ 11 is shown)
3, 4, 5, 7, or 9
(IRQ 5 is shown)
No Interrupt Line (IRQ)
DRQ5
DRQ7
DACK7
DRQ6
DACK6
DACK5
IRQ
15
14
12
11
10
Used to
Select
DMA
=
345679
IRQ3
IRQ9
345679
IRQ3
IRQ9
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Diagram
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Step
9
Configure the AT-GPIB/TNT DMA Channel
Change the jumper settings to match the DMA channel assigned to your board. You must set both
the DMA Acknowledge and DMA Request lines. By default, the AT-GPIB/TNT is configured to use
DMA channel 5.
If you do not know what resources were assigned to your AT-GPIB/TNT, click here to Determine
Assigned Resources.
Table 3. AT-GPIB/TNT DMA Channel Settings
DMA Channel DMA Jumpers
5, 6, or 7
(DMA 7 is shown)
No DMA Channel
DRQ5
DRQ7
DACK7
DRQ6
DACK6
DACK5
IRQ
15
14
12
11
10
Used to
Select
IRQ
=
DRQ5
DRQ7
DACK7
DRQ6
DACK6
DACK5
IRQ
15
14
12
11
10
Used to
Select
IRQ
=
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Diagram
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10
Set the AT-GPIB/TNT Shield Ground Configuration
The AT-GPIB/TNT is set at the factory with the jumper in place to connect the logic ground of the
AT-GPIB/TNT to its shield ground. This configuration minimizes EMI emissions.
Caution The AT-GPIB/TNT was tested for compliance with FCC standards with the shield ground connected
to logic ground. Removing the jumper might cause EMI emissions to exceed any or all of the
applicable standards.
Most users do not need to change the shield ground configuration. If you feel you must disconnect
logic ground from shield ground, follow these steps:
1. Locate the shield ground jumper W3 on the AT-GPIB/TNT. (View the AT-GPIB/TNT Parts
Locator Diagram.)
2. Remove the jumper and place it across only one of the jumper pins, as shown in the following
figure.
Figure 2. AT-GPIB/TNT Ground Configuration Jumper Settings
!
a. Logic Ground Connected to Shield Ground (Default)
b. Logic Ground Disconnected from Shield Ground
W3
W3
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