National Instruments RS485 User Manual
Ni 9871
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Table of contents
Document Outline
- NI 9871 Operating Instructions and Specifications
- Safety Guidelines
- Wiring the NI 9871
- Table 1. RS485/RS422 Port Pinout
- Table 2. Pin Assignments for RS485/RS422 DB-9 Male Connector
- Figure 1. Four-Position External Power Connector
- Figure 2. Powering the NI 9871 from an Isolated Power Source
- Figure 3. Powering Multiple Modules from a Single Power Supply
- RS485 Bus Topology and Termination
- RS485 Transceiver Control
- NI 9871 Hardware Overview
- Specifications
- Where to Go for Support