Alinking ALC-9451 Uživatelský manuál stáhnout pdf (Strana 86)

Attachment A: External Alarm

In addition to the motion detection executed by the internal software application, the

product can connect to external infrared detectors, beepers, and smoke detectors. For

more information about these external devices, contact to your local retailer, dealer or

installation service provider. This product provides a standard Alarm I/O for you.

This camera provides 2 sets of digital inputs (DIs) and 1 set of digital outputs (DOs).

Pins 4 and 5 are designed for connection to external Sensor 1; Pins 4 and 6 for

external Sensor 2. All 3 pins are designed for connection to the C connection

equipment and should not access to voltage or current. Otherwise, the product will be

damaged. Pins 7, 8 and 9 are relays to normally open (NO) or close (NC) these

external devices. These 3 pins only act as relay output contacts and no power is output

(dry contacts).

The default status for this DI sets is NO. The gray color indicates the current status.

NC status can be selected by selecting Setting/ Application Setting/ Event/ Trigger/

Alarm Input Setting.

Applications:

1. When the status is NO, the connected C connection equipment should be NO as

well. When the C connection equipment is triggered, the status will change to NC.

The machine will detect this change and inform the system.

2. When the status is NC, the connected C connection equipment should be NC as

well. When the C connection equipment is triggered, the status will change to NO.

The machine will detect this change and inform the system.

Pin Function

1 MIC IN

2 AUDIO_GND

3 LINE OUT

4 Alarm Input #1/2 (K)

5 Alarm Input #1 (A)

6 Alarm Input #2 (A)

7 Alarm Output (NC)

8 Alarm Output (COM)

9 Alarm Output (NO)

10 RS485+

11 RS485-

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 92 93

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Alinking ALC-9451 Uživatelský manuál Strana 86