Hall-research HR-16P User Manual download pdf (Page 7)

16-Channel Programmable Serial Device

4.0 Operation

The HR-16P is designed to send a string of commands to a serial device

(e.g. a projector) via the serial interface, when the discrete input

transitions from one state to another.

Figure 2 – Input circuit for each of the 16 Discrete inputs

Hi input = Open or Voltage above 1v

Lo input = Short to ground or Voltage below 0.3v

*** Input Voltage Range = 0v to +30 v ***

4.1 Mode Switch

In the Run position, the HR-16P will communicate with the serial device

using an appropriate cable (target cable not included).

In the Program position, the user can upload strings to the HR-16P. This

will consist of the Rising edge and the Falling edge strings.

These strings are limited to 250 characters in length each. The strings are

constructed using the HR-16P Programmer Windows™ software available

from our website.

The user will then be able to upload the file to the HR-16

4.2 Front Panel Status Indicator

The front panel has a convenient LED that is used to indicate power on

state (steady on) or blinking (when commands are being sent to target)

Figure 3 – Model HR-16P Front and Rear

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Hall-research HR-16P User Manual Page 7