Samsung DVM PLUS III Technical Data Book page 619

05-3_control systems(082~141)
(6) External input/output ports and option switch
Option switch
SW03
No.
1 Digital input DI-1
2
Digital input DI-2
3 Digital output DO-1
4
Digital output DO-2
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External input/output ports
DI-2 DI-1D0-2 D0-1
2 1 4 3
Name
All indoor units are controlled by no-powered external input (leveled/pulsed)
according to the option switch setting.
Load : 12VDC/5mA
All wired/wireless remote controllers for indoor units are permitted/prohibited
by no-powered external input (leveled/pulsed) according to the option switch
setting. Also all indoor units are stopped by incoming pulsed input.
Load : 12VDC/5mA
Outputs 12V if at least one indoor unit operates.
Output capacity : 12VDC/500mA
(External circuitry can be realized for display or control using the 12V output)
Outputs 12V if there is an error on the indoor or outdoor unit or if
communication error occurs.
Output capacity : 12VDC/500mA
(External circuitry can be realized for display or control using the 12V output)
It's equivalent to the 'Error' LED on the DMS display.
Description
V-87