External Control; Overview; About The J1 Connector - National Instruments RMX-4120 User Manual

External Control

This chapter explains external control and external monitoring using the J1 connector.

Overview

You can use the J1 connector on the rear panel of the RMX programmable power supply to
perform the following types of external control.
• Output voltage control (Controlled using an external voltage or external resistance)
• Output current control (Controlled using an external voltage or external resistance)
• Turning output on and off using an external contact
• Output shutdown control using an external contact
• Clearing alarms using an external contact
• Monitoring operation modes

About the J1 Connector

Use the included J1 connector plug kit for connecting to the J1 connector. RMX programmable
power supplies are supplied with a connector cover that fits over the entire sensing, J1, and
J2 connectors. For safety reasons, be sure to attach the connector cover when you use the
RMX programmable power supply.
Plug kit 749809-9 DB25 is included for connecting to the J1 connector.
Figure 3-1. Connector Cover
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