National Instruments FieldPoint FP-TB-1, FieldPoint FP-TB-3, FieldPoint FP-TB-2 Operating Instructions Manual
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FieldPoint Operating Instructions
FP-TB-1/2/3
FieldPoint Terminal Bases
These operating instructions describe the installation, features,
and characteristics of the FP-TB-1, FP-TB-2, and FP-TB-3.
Features
The FP-TB-1, FP-TB-2, and FP-TB-3 are FieldPoint terminal
bases with the following features:
• Works with all FieldPoint I/O modules (the FP-TB-3 is
designed specifically to work with thermocouple I/O modules)
• V andC terminals provideexternal supply voltages common to
all channels
• DIN-rail mounting or panel mounting
• 32 terminals available for field connections (FP-TB-3 has 16)
• Available with screw terminals (FP-TB-1 and FP-TB-3) or
spring terminals (FP-TB-2)
• Isothermal construction (FP-TB-3) minimizes temperature
gradients when using thermocouples
• –40 to 70 °C operation
The FP-TB-1, FP-TB-2, and FP-TB-3 terminal bases provide the
intra-system communication link between FieldPoint I/O modules
and network modules, provide a means for wiring field
connections, and provide the mounting mechanism. You can
choose your terminal base depending on the type of field wiring
terminal you prefer: screw terminal or spring terminal.
FieldPoint™, National Instruments™, NI™, and ni.com™ aretrademarks of National Instruments Corporation.
Product and company names mentioned herein are trademarks or trade names of their respective companies.
For patents coveringNational Instrumentsproducts, refer tothe appropriate location:
patents.txt
the
321699E-01 May 2002
©
1999–2002 National Instruments Corp. All rights reserved.
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file on your CD, or
ni.com/patents
.
Help»Patents
in yoursoftware,
MountingtheFP-TB-1/2/3onaDINRail
Caution
To avoid damaging the network module and
terminal base, make sure that power is not applied to the
network module while you are installing or removing a
terminal base.
FieldPoint terminal bases have simple rail clips for reliable
mounting on a standard 35 mm DIN rail. Follow these steps to
mount the terminal base on a DIN rail.
1. Write down the serial number, located on the back of the
terminal base, before you mount it on the DIN rail.
2. Use a flathead screwdriver to open the DIN rail clip to the
unlocked position, as shown in Figure 1.
1 2
1 Rail clip locked 2 Rail clip unlocked
Figure 1. Unlocking the Rail Clip
3. Attach the lip on the rear of the terminal base onto the top of a
35 mm DIN rail and press it down onto the DIN rail, as shown
in Figure 2.
Figure 2. Attaching the Terminal Base to a DIN Rail
FP-TB-1/2/3 Operating Instructions 2 ni.com
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4. Slide the terminal base along the DIN rail until its local bus
connector mates with the connector of the terminal base or
network module adjacent to it.
5. After the terminal base is in position, lock it to the DIN rail by
pushing the rail clip to the locked position.
6. To add more terminal bases, install them on the rail and
connect their local bus connectors together.
7. Place the protective cover onto the local bus connector of the
last terminal base on the bank, as shown in Figure 3. Add rail
locks by sliding them on and tightening the screws.
Figure 3. Adding Rail Locks and Protective Cover
Mounting the FP-TB-1/2/3 to a Panel
Caution
To avoid damaging the network module and
terminal base, make sure that power is not applied to the
network module while you are installing or removing a
terminal base.
Follow these steps to mount the terminal base on a wall or panel.
1. Use Figure 4 to locate where to drill the mounting holes on the
panel. Dimensions are given in millimeters [inches].
© National Instruments Corp. 3 FP-TB-1/2/3 Operating Instructions
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62.48 [2.46]
31.24
[1.23]
44.64 [1.76]
44.64 [1.76]
31.24
[1.23]
Figure 4. Locating the Mounting Holes
2. When you have located and drilled the mounting holes, mount
the terminal base as shown in Figure 5.
Figure 5. Mounting the Terminal Base
3. Place the protective cover over the local bus connector of the
last terminal base in the bank.
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Mounting I/O Modules
on the Terminal Base
Refer to Figure 6 and follow these steps to install an I/O module on
the terminal base.
1. Slide the terminal base key to the appropriate position for the
I/O module. The position marked X is a universal position that
works for all modules.
2. Align the alignment slots on the I/O module with the guide
rails on the terminal base.
Key
Latch
Alignment
Slot
Guide Rails
Terminal BaseI/O Module
Figure 6. Mounting the I/O Module on the Terminal Base
3. Press firmly to seat the I/O module on the terminal base. When
the module is firmly seated, the terminalbase latch locks it into
place and the ejector button on the top of the terminal base
pops up.
4. To remove an I/O module, press the ejector button on top of the
terminal base and pull off the module.
© National Instruments Corp. 5 FP-TB-1/2/3 Operating Instructions
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