■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)
0/5V |
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| O.C | SW3 : Alarm Output | ||||||
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| SW4 : Alarm Reset Output |
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| SW5 : Alarm & SW Output |
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| SW3 |
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0/5V |
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| O.C 0/5V |
| O.C |
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| 100 ms or more |
| 100 ms or more |
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Alarm input 1 |
| 0V | 0V | |||
Alarm input 2 |
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| 0V | ||
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| Retrigger |
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| Alarm output time |
| Alarm output time | |
Alarm output | 5V |
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0V |
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(Pin #9) |
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Alarm reset | 5V |
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| 450 ms |
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output (Pin #27) 0V |
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Alarm & SW | 5V |
| Approx 100 ms |
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Output (Pin #25) 0V |
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CIf 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.
Terminal condition | OFF | ON | |
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O.C position | 0 V | ||
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0/5 V position | 0 V | 5 V | |
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●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 12.
2.Set switch (SW1) on the board to the position shown in the figure.
SW1
OFF
SW1 : Record Output
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