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INSTALLATION INSTRUCTIONS
NI TBX-2809
Screw Terminal Accessory for the NI SwitchBlock
This installation guide describes how to install and connect signals to the NI TBX-2809 screw
terminal accessory for use with NI SwitchBlock cards.
The NI TBX-2809 is an unshielded, DIN-rail mountable terminal breakout block that consists
of a printed circuit board with screw terminals that provide connections to all channels of a
single NI SwitchBlock card. The NI TBX-2809 includes a safety interlock resistor to engage the
NI SwitchBlock card's safety relays, allowing connections to the NI SwitchBlock analog bus.
Specifications
Maximum voltage............................................. 150 V, CAT I
Maximum current ............................................. 1 A
Caution
the NI SwitchBlock system. Review the specifications of the NI SwitchBlock carrier
and cards.
Caution
proper cable/wire strain relief(s) prior to use. There are no user serviceable parts
inside. Do not change or alter this product in any way.
Caution
to ensure compliance with Electromagnetic Compatibility (EMC) requirements. To
determine if shielded cables or accessories are required for the product that the
NI TBX-2809 will be used with, refer to the EMC specifications in the product's user
guide or manual. If shielded cables or accessories are required for EMC compliance,
do not use unshielded cables or accessories unless they are installed in a shielded
enclosure with properly designed and shielded input/output ports, and are connected
to the NI product using a shielded cable. If unshielded cables or accessories are not
properly installed and shielded, the EMC specifications for the product are no longer
guaranteed.
Compatible DIN rails........................................ DIN EN 50 022
The maximum voltage is limited to the lowest voltage of any component in
The NI TBX-2809 must be installed inside a suitably rated enclosure with
NI products typically must be operated with shielded cables and accessories
DIN EN 50 035
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Related Manuals for National Instruments TBX-2809
Summary of Contents for National Instruments TBX-2809
- Page 1 NI TBX-2809 Screw Terminal Accessory for the NI SwitchBlock This installation guide describes how to install and connect signals to the NI TBX-2809 screw terminal accessory for use with NI SwitchBlock cards. The NI TBX-2809 is an unshielded, DIN-rail mountable terminal breakout block that consists of a printed circuit board with screw terminals that provide connections to all channels of a single NI SwitchBlock card.
- Page 2 Allow the signal wires to exit through the cover opening. Note The NI TBX-2809 screw terminal accessory does not provide strain relief for signal wires. Add strain relief and insulation for your signal wires, if necessary. Replace the cover and tighten the cover screws.
- Page 3 Signal Wires Cover Screw Terminals Ground terminal Figure 1. NI TBX-2809 Parts Locator Diagram Installing Your Screw Terminal Accessory Refer to Figure 2 and perform the following steps to connect the screw terminal accessory to the NI SwitchBlock card connector: Securely fasten the connector on one end of the cable to the NI SwitchBlock card connector using the thumbscrews.
- Page 4 NI SwitchBlock Card Cable Connectors Signal Wires Thumbscrews Ground terminal SH96F-96M-NI SwitchBlock Cable NI TBX-2809 Figure 2. Connecting the Cable Assembly NI TBX-2809 Installation Instructions ni.com...
- Page 5 NI TBX-2809 assembly onto a DIN rail with a firm push. To unmount the NI TBX-2809 from the DIN rail, place a flathead screwdriver into the slot above the terminal block base and pry it away from the rail.
- Page 6 At the end of the product life cycle, all products must be sent to a WEEE recycling center. For more information about WEEE recycling centers, National Instruments WEEE initiatives, and compliance with WEEE Directive 2002/96/EC on Waste Electrical and Electronic Equipment, visit ni.com/environment/weee...
- Page 7 Instruments Patents Notice at ni.com/patents. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data. © 2010–2011 National Instruments Corporation. All rights reserved.
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