User Guide
DVS-21
02/2018 • V.1.0 • L. Wolle
© 2017 ProCom
®
Professional Communication & Service GmbH • Technical changes reserved.
10.9 Contact switch
Switching of lines and basic logic operators between Line and Flag
Latch function for the input. The state of the outputs is toggled if the input
line is switched on briefly.
To secure the function of a station, if a mechanical key switch is installed.
The selection cancels the blocking of a station if a key is pressed
continuously.
Long distance line line pool
Expansion of the range from 120 to 255 lines by using special lines. (only on
own long-distance lines between ProCom systems)
Flashing (call station / 24Li)
Use of the Flashing (only stations/24LI)line type
To transmit special lines cyclically (only for existing systems)
(replaced by Trigger Special Lines)
[IN] The program can be turned off by this flag or switching on can be
prevented.
[IN] AND-linking with Flag (OR)
[IN] The program can be switched on by this flag.
[IN] The program can be switched on by this flag. It remains active even if
the flag is switched off again. Only when the flag is next switched on is the
program deactivated.
[OUT] The flag is switched on if the program is activated. Other programs
can be triggered.
Flag (OUT) (Pulse with start)
[OUT] Flag is ON for a CPU cycle if the program is active
[OUT] Flag with a negative state of the Flag (OUT)
10.10 System time
The internal clock can be synchronized to an external 24 hour time cycle.
Address, port and line of the incoming time pulse
The time pulse can come as a line via a long-distance line from a neighboring system or
be received directly at IO modules (24LI, 4IOS) from third-party systems.
The new time that is set in the system when the pulse becomes active
[IN] The program can be turned off by this flag or switching on can be prevented.
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