National Instruments NI TB-2630B User manual

INSTALLATION INSTRUCTIONS
NI TB-2630B
Terminal Block for the NI PXI-2530B
This guide describes how to install and connect signals to the National Instruments TB-2630B terminal
block to configure your NI PXI-2530B switch module as one of the following:
• 1-wire 128 × 1 multiplexer
• 1-wire dual 64 × 1 multiplexer
• 1-wire quad 32 × 1 multiplexer
• 1-wire octal 16 × 1 multiplexer
• 2-wire 64 × 1 multiplexer
• 2-wire dual 32 × 1 multiplexer
• 2-wire quad 16 × 1 multiplexer
• 4-wire 32 × 1 multiplexer
• 4-wire dual 16 × 1 multiplexer
• independent
This terminal block is a shielded accessory.
Contents
Introduction.......................................................................................................................................... 1
1. Unpack the Terminal Block ............................................................................................................. 2
2. Verify the Components.................................................................................................................... 2
3. Connect Signals ............................................................................................................................... 2
4. Install the Terminal Block ............................................................................................................... 20
Accessories .......................................................................................................................................... 21
Compliance and Certifications............................................................................................................. 22
Introduction
The NI TB-2630B terminal block installs in front of the NI PXI-2530B switch module. The
NI TB-2630B has ribbon cable headers to connect signals to the switch. Screw terminals for the trigger
input and trigger output signals are also available. The NI TB-2630B is designed for use with the
NI PXI-2530B and is not compatible with the NI PXI-2530.
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NI TB-2630B Installation Instructions 2 ni.com
1. Unpack the Terminal Block
To avoid damage when you handle the terminal block, take the following precautions:
Caution Never touch the exposed pins of connectors.
• Ground yourself using a grounding strap or by touching a grounded object.
• Touch the antistatic package to a metal part of the chassis before you remove the terminal block
from the package.
Remove the terminal block from the package and inspect the terminal block for loose components or
any sign of damage. Notify NI if the terminal block appears damaged in any way. Do not install a
damaged terminal block on a switch module.
Store the terminal block in the antistatic package when not in use.
2. Verify the Components
Make sure you have the following:
❑NI TB-2630B terminal block
❑PXI chassis
❑NI PXI-2530B switch module
❑1/8 in. flathead screwdriver
❑Eight 2 × 9, 0.100 in. pitch ribbon cable connectors (included)
❑18-conductor, 28 AWG, 0.050 in. pitch ribbon cable (not included)
3. Connect Signals
Caution To ensure the specified EMC performance, operate this product only with shielded cables
and accessories.
To connect signals to the terminal block, complete the following steps:
1. Remove the terminal block top cover screws with the flathead screwdriver.
2. Gently lift the terminal block top cover off the terminal block.
3. Loosen the two screws on the strain-relief assembly and remove the top strain-relief bar.
4. Prepare your ribbon cable by installing the 2 × 9 ribbon cable connectors onto separate
18-conductor ribbon cables.
5. Connect each ribbon cable to a header.
6. Connect the shield of the ribbon cable to the safety ground lug shown in Figure 1.
7. Replace the strain-relief bar and tighten the two screws on the strain-relief assembly to secure the
cables.
8. Replace the terminal block top cover.
9. Secure the terminal block top cover with the top cover screws.

©National Instruments Corporation 3 NI TB-2630B Installation Instructions
Figure 1. NI TB-2630B Terminal Block
1 Strain-relief opening
2 Strain-relief bar
3 Ribbon cable
4 Strain-relief screw
5 Chassis screws
6 Rear connector
7 Terminal block top cover
8 Top cover screws
9 Safety ground lug
10 Ribbon cable connector
11 Ribbon cable header
7
8
8
5
6
34
9
1
11
NI TB-2630B
Multiplexer
Terminal Block
2
10

NI TB-2630B Installation Instructions 4 ni.com
Figure 2. NI TB-2630B Terminal Reference
NI TB-2630B Terminal Reference Guide
NATIONAL
INSTRUMENTS
TRIGOUT
160 POSITION CONNECTOR
1
BANK 0
2
17 18
1
BANK 1
2
17 18
1
BANK 2
2
17 18
1
BANK 3
2
17 18
1WREF0 1WREF1
COM 0 COM 1 COM 2 COM 3
1
BANK 4
2
17 18
1
BANK 5
2
17 18
1
BANK 6
2
17 18
1
BANK 7
2
17 18
1WREF2 1WREF3
COM 4 COM 5 COM 6 COM 7
GND
TRIGIN
USE SHIELDED CABLE
ON TRIGGERS
GND
+5V
MAX
60 VDC MAX
0.4 A MAX

©National Instruments Corporation 5 NI TB-2630B Installation Instructions
Tables 1 through 3 display terminal mapping for various topologies. Refer to the NI Switches Help for
topology diagrams for each topology.
Table 1. 1-Wire and Independent Topology Terminal Mapping
Software Name Hardware Name
Single
128 1
Dual
64 1
Quad
32 1
Octal
16 1Independent
NI PXI-2530B
Connector Pin Number
NI TB-2630B
Terminal Name
com0 com0 com0 com0 com0 51 Bank 0, Pin 18
———com1 com1 30 Bank 1, Pin 18
— — com2 com2 com2 5Bank 2, Pin 18
———com3 com3 76 Bank 3, Pin 18
—com4 com4 com4 com4 110 Bank 4, Pin 18
———com5 com5 131 Bank 5, Pin 18
— — com6 com6 com6 156 Bank 6, Pin 18
———com7 com7 84 Bank 7, Pin 18
———— 1wref0 58 Bank 0–1, Pin 17
———— 1wref1 6Bank 2–3, Pin 17
———— 1wref2 103 Bank 4–5, Pin 17
———— 1wref3 155 Bank 6–7, Pin 17
ch0 41 Bank 0, Pin 1
ch1 40 Bank 0, Pin 2
ch2 42 Bank 0, Pin 3
ch3 39 Bank 0, Pin 4
ch4 43 Bank 0, Pin 5
ch5 38 Bank 0, Pin 6
ch6 44 Bank 0, Pin 7
ch7 37 Bank 0, Pin 8
ch8 45 Bank 0, Pin 9
ch9 36 Bank 0, Pin 10
ch10 46 Bank 0, Pin 11
ch11 35 Bank 0, Pin 12
ch12 47 Bank 0, Pin 13
ch13 34 Bank 0, Pin 14
ch14 48 Bank 0, Pin 15
ch15 33 Bank 0, Pin 16
ch16 50 Bank 1, Pin 1

NI TB-2630B Installation Instructions 6 ni.com
ch17 31 Bank 1, Pin 2
ch18 49 Bank 1, Pin 3
ch19 32 Bank 1, Pin 4
ch20 52 Bank 1, Pin 5
ch21 29 Bank 1, Pin 6
ch22 53 Bank 1, Pin 7
ch23 28 Bank 1, Pin 8
ch24 54 Bank 1, Pin 9
ch25 27 Bank 1, Pin 10
ch26 55 Bank 1, Pin 11
ch27 26 Bank 1, Pin 12
ch28 56 Bank 1, Pin 13
ch29 25 Bank 1, Pin 14
ch30 57 Bank 1, Pin 15
ch31 24 Bank 1, Pin 16
ch32 67 Bank 2, Pin 1
ch33 15 Bank 2, Pin 2
ch34 12 Bank 2, Pin 3
ch35 11 Bank 2, Pin 4
ch36 70 Bank 2, Pin 5
ch37 61 Bank 2, Pin 6
ch38 20 Bank 2, Pin 7
ch39 62 Bank 2, Pin 8
ch40 19 Bank 2, Pin 9
ch41 63 Bank 2, Pin 10
ch42 18 Bank 2, Pin 11
ch43 64 Bank 2, Pin 12
ch44 17 Bank 2, Pin 13
ch45 65 Bank 2, Pin 14
ch46 16 Bank 2, Pin 15
ch47 66 Bank 2, Pin 16
Table 1. 1-Wire and Independent Topology Terminal Mapping (Continued)
Software Name Hardware Name
Single
128 1
Dual
64 1
Quad
32 1
Octal
16 1Independent
NI PXI-2530B
Connector Pin Number
NI TB-2630B
Terminal Name

©National Instruments Corporation 7 NI TB-2630B Installation Instructions
ch48 14 Bank 3, Pin 1
ch49 68 Bank 3, Pin 2
ch50 13 Bank 3, Pin 3
ch51 69 Bank 3, Pin 4
ch52 1Bank 3, Pin 5
ch53 4Bank 3, Pin 6
ch54 3Bank 3, Pin 7
ch55 71 Bank 3, Pin 8
ch56 10 Bank 3, Pin 9
ch57 72 Bank 3, Pin 10
ch58 9Bank 3, Pin 11
ch59 73 Bank 3, Pin 12
ch60 8Bank 3, Pin 13
ch61 74 Bank 3, Pin 14
ch62 7Bank 3, Pin 15
ch63 75 Bank 3, Pin 16
ch64 120 Bank 4, Pin 1
ch65 121 Bank 4, Pin 2
ch66 119 Bank 4, Pin 3
ch67 122 Bank 4, Pin 4
ch68 118 Bank 4, Pin 5
ch69 123 Bank 4, Pin 6
ch70 117 Bank 4, Pin 7
ch71 124 Bank 4, Pin 8
ch72 116 Bank 4, Pin 9
ch73 125 Bank 4, Pin 10
ch74 115 Bank 4, Pin 11
ch75 126 Bank 4, Pin 12
ch76 114 Bank 4, Pin 13
ch77 127 Bank 4, Pin 14
ch78 113 Bank 4, Pin 15
Table 1. 1-Wire and Independent Topology Terminal Mapping (Continued)
Software Name Hardware Name
Single
128 1
Dual
64 1
Quad
32 1
Octal
16 1Independent
NI PXI-2530B
Connector Pin Number
NI TB-2630B
Terminal Name

NI TB-2630B Installation Instructions 8 ni.com
ch79 128 Bank 4, Pin 16
ch80 111 Bank 5, Pin 1
ch81 130 Bank 5, Pin 2
ch82 112 Bank 5, Pin 3
ch83 129 Bank 5, Pin 4
ch84 109 Bank 5, Pin 5
ch85 132 Bank 5, Pin 6
ch86 108 Bank 5, Pin 7
ch87 133 Bank 5, Pin 8
ch88 107 Bank 5, Pin 9
ch89 134 Bank 5, Pin 10
ch90 106 Bank 5, Pin 11
ch91 135 Bank 5, Pin 12
ch92 105 Bank 5, Pin 13
ch93 136 Bank 5, Pin 14
ch94 104 Bank 5, Pin 15
ch95 137 Bank 5, Pin 16
ch96 94 Bank 6, Pin 1
ch97 149 Bank 6, Pin 2
ch98 91 Bank 6, Pin 3
ch99 150 Bank 6, Pin 4
ch100 146 Bank 6, Pin 5
ch101 100 Bank 6, Pin 6
ch102 141 Bank 6, Pin 7
ch103 99 Bank 6, Pin 8
ch104 142 Bank 6, Pin 9
ch105 98 Bank 6, Pin 10
ch106 143 Bank 6, Pin 11
ch107 97 Bank 6, Pin 12
ch108 144 Bank 6, Pin 13
ch109 96 Bank 6, Pin 14
Table 1. 1-Wire and Independent Topology Terminal Mapping (Continued)
Software Name Hardware Name
Single
128 1
Dual
64 1
Quad
32 1
Octal
16 1Independent
NI PXI-2530B
Connector Pin Number
NI TB-2630B
Terminal Name

©National Instruments Corporation 9 NI TB-2630B Installation Instructions
In the 1-wire 128 × 1 topology, the driver establishes a connection from 1wref0 (Bank 0–1, Pin 17) to
com1 (Bank 1, Pin 18).
In the 1-wire dual 64 × 1 topology, the driver establishes the following connections:
• 1wref0 is connected to com1.
• 1wref2 is connected to com5.
In the 1-wire quad 32 × 1 topology, the driver establishes the following connections:
• 1wref0 is connected to com1.
• 1wref1 is connected to com3.
• 1wref2 is connected to com5.
• 1wref3 is connected to com7.
ch110 145 Bank 6, Pin 15
ch111 95 Bank 6, Pin 16
ch112 147 Bank 7, Pin 1
ch113 93 Bank 7, Pin 2
ch114 148 Bank 7, Pin 3
ch115 92 Bank 7, Pin 4
ch116 85 Bank 7, Pin 5
ch117 81 Bank 7, Pin 6
ch118 157 Bank 7, Pin 7
ch119 90 Bank 7, Pin 8
ch120 151 Bank 7, Pin 9
ch121 89 Bank 7, Pin 10
ch122 152 Bank 7, Pin 11
ch123 88 Bank 7, Pin 12
ch124 153 Bank 7, Pin 13
ch125 87 Bank 7, Pin 14
ch126 154 Bank 7, Pin 15
ch127 86 Bank 7, Pin 16
Table 1. 1-Wire and Independent Topology Terminal Mapping (Continued)
Software Name Hardware Name
Single
128 1
Dual
64 1
Quad
32 1
Octal
16 1Independent
NI PXI-2530B
Connector Pin Number
NI TB-2630B
Terminal Name

NI TB-2630B Installation Instructions 10 ni.com
Table 2. 2-Wire Topology Terminal Mapping
Software Name
Polarity
Hardware Name
Single
64 1
Dual
32 1
Quad
16 1
NI PXI-2530B
Connector Pin Number
NI TB-2630B
Terminal Name
com0 com0 com0
+51 Bank 0, Pin 18
–30 Bank 1, Pin 18
— —
com1
+ 5 Bank 2, Pin 18
— — – 76 Bank 3, Pin 18
—
com1 com2
+110 Bank 4, Pin 18
— – 131 Bank 5, Pin 18
— —
com3
+156 Bank 6, Pin 18
— — – 84 Bank 7, Pin 18
— — — + 58 Bank 0–1, Pin 17
— — — – 6 Bank 2–3, Pin 17
— — — + 103 Bank 4–5, Pin 17
— — — – 155 Bank 6–7, Pin 17
ch0
+41 Bank 0, Pin 1
–50 Bank 1, Pin 1
ch1
+40 Bank 0, Pin 2
–31 Bank 1, Pin 2
ch2
+42 Bank 0, Pin 3
–49 Bank 1, Pin 3
ch3
+39 Bank 0, Pin 4
–32 Bank 1, Pin 4
ch4
+43 Bank 0, Pin 5
–52 Bank 1, Pin 5
ch5
+38 Bank 0, Pin 6
–29 Bank 1, Pin 6
ch6
+44 Bank 0, Pin 7
–53 Bank 1, Pin 7
ch7
+37 Bank 0, Pin 8
–28 Bank 1, Pin 8
ch8
+45 Bank 0, Pin 9
–54 Bank 1, Pin 9