Relay Out
Two sets of relay contacts are provided, RELAY OUT 1 and RELAY OUT
2.Contacts are floating and rated for 30VDC, 1A. There is one common terminal, one
RS-232
The
Use a normal serial data cable with a
LED Indicators
When the DSP 322ua is plugged into a properly functioning AC outlet, it will power up and briefly display a welcome screen on the LCD dis- play.
POWER Indicator- This blue indicator illuminates when the DSP 322ua is plugged into a properly functioning AC source. There is no power switch on the DSP 322ua. This helps to prevent accidental sys- tem shutdowns.
DIAGNOSTIC Indicator- This red diagnostic LED reports several pos- sible operational conditions. During
The diagnostic LED is also used to indicate an update is in progress during a remote firmware update cycle. First, the LED will blink slowly, indicating the memory erase cycle, then it will blink rapidly, indicating the memory write cycle. NOTE! During a firmware update, it is critical the unit remain powered on for the entire process in order to complete successfully.
The diagnostic LED may also be controlled by using the QSControl.net software. This feature is particularly helpful for identifying a particular unit.
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Relay Out connections. Refer to text, at left, for explanation.
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