Table of Contents
Advertisement
DIP Switch Setting
Alarm Output Setting
The following settings let you set the polarities of alarm out-
put, alarm reset output, and alarm & SW output on the
ALARM/REMOTE port.
1. Disassemble the video multiplexer as described for
installing the Data Multiplex Boards on page 12.
2. Set switches (SW3/SW4/SW5) on the board to the
required position either Open Collector (O.C) or Pulse
(0/5V) for alarm control signals.
Open Collector (O.C): 16V DC 100 mA max.
Pulse (0/5V): +5V DC approx. 500 ms
The positions in the figure are the factory default setting.
• Timing Table of the signals (0/5 V settings)
Alarm input 1
Alarm input 2
Alarm output
(Pin #9)
Alarm reset
output (Pin #27) 0V
Alarm & SW
Output (Pin #25) 0V
C If another alarm is received before the existing alarm is
reset, the alarm output lasts as long as the duration set
for the succeeding alarm.
• The O.C position of SW3, SW4, and SW5 corresponds
to their 0/5 V position as shown in the table.
Dummy Black Image Setting
According to the factory default setting, the Dummy
Black Image signal is supplied to the REC OUT con-
nector as needed to overwrite any image displayed by
error. If this function is not required, set the switch SW
1 to the position shown below.
1. Disassemble the video multiplexer as described for
installing the Data Multiplex Boards on page
2. Set switch (SW1) on the board to the position shown in
the figure.
14
100 ms or more
Hi-Z
0V
Alarm output time
5V
0V
5V
Approx 100 ms
5V
0/5V
0/5V
100 ms or more
Hi-Z
0V
Hi-Z
Approx.
450 ms
SW
O.C position
0/5 V position
12.
O.C
SW3 : Alarm Output
SW5
SW4 : Alarm Reset Output
SW5 : Alarm & SW Output
SW3
SW4
O.C
0/5V
O.C
Hi-Z
0V
Hi-Z
Retrigger
Alarm output time
C
Terminal condition
OFF
Hi-Z
0 V
SW1
SW1 : Record Output
OFF
ON
0 V
5 V
Advertisement
Table of Contents
