Pro-face PL-7900 Series, User Manual

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App-7
PL-7900 Series User Manual
Appendix
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External Output Signal
The PL’s RAS interface connector uses the following output signals.
General Purpose Signal Output (DOUT)
This general purpose digital output signal provides system condition information
to external devices.
The System Monitor’s API-DLL are used by applications to control this signal.
Alarm Output (1 point)
Lamp Output (1 point)
The above mentioned general purpose digital output signals provide system
condition information to external devices.
The System Monitor utility can be used to enable or disable any of these output
signals.
Also, when alarm output is enabled, the orange colored LED indicator will also
blink.
External Output Signal (used for DOUT, Alarm Output, Lamp Output)
- Output Specification DC24V 100mA (MAX)
- Isolation Used (photo-isolation)
(Interface Circuit) (Connection Example)
For connection pin location details,
2.3.5 RAS Interface
Cable
Output
Port
R
PC357
Dsub 25 Pin
Connector
4.7k
Ω
SST3904
DOUT(-) 7pin
Alarm Output(-) 9pin
Lamp Output(-) 21pin
DOUT(+) 8pin
Alarm ) 10pin
Lamp ) 22pin
+5V