Identifikasi kabel CCTV umum

 

 

 

 

 

Pilihan kabel monitor
Pilihan kabel

 

1,CCTV Csaged

 

Jarak antarane kamera lan host ngawasi kurang saka utawa padha karo 200 meter, nggunakakeRG59 csaged.

 

The distance between the camera and the monitoring host is more than 200 meters, using SYV75-5 video csaged.

 

2, PTZ control csaged

Jarak antarane wajan / miring lan kontroler yaiku≤100m, lan nggunakake RVV6×0,5 sarungcsaged.

 

Jarak antarane wajan / miring lan kontroler yaikumore than 100 meters, using RVV6×0,75 sarungcsaged.

 

3, Lens control csaged

 

Gunakake RVV4×0,5 kabel kawat.

 

4, Decoder communication csaged

 

kudu nggunakake RVV2×1 pasang bengkong terlindung

 

5, Kabel daya kamera

 

If the system has 20 ordinary cameras, and the average distance between the camera and the monitoring host is 50 meters, the BVV6m2 copper core double plastic wire should be used as the main power csaged. The power csageds used at different distances are shown in the following tsaged:

 

Jarak rata-rata antarane kamera lan host ngawasi yaiku 34 ~ 50m 21 ~ 33m≤20m

 

Power cord specifications (2 csageds) 6m24m22.5m2

 

Monitoring system Csaged laying

 

1. Cautions for laying the video csaged

 

1.1. If the distance between the camera and the monitoring host (image processor, matrix control host or digital video recorder) is less than 200 meters, the RG59 video csaged can be used. If it exceeds 200 meters, the SWY-75-5 video csaged should be used to ensure the monitoring image the quality of.

 

1.2. Kanggo kamera sing dipasang ing elevator, palung wesi galvanis kudu digunakake kanggo kabel ing poros elevator lan didhasarake kanggo nyuda gangguan sinyal video nalika motor lift diwiwiti.

 

1.3. If the camera is installed outdoors (such as the entrance of a compound or a parking lot, etc.), the csaged needs to be routed outdoors or through overhead steel csageds. If conditions permit, video arresters should be installed (because the installation of lightning protection equipment will cause The total project cost increases), that is, one video arrester is installed on the camera side and the monitoring host side respectively, and each video arrester must be grounded (outdoor cameras must be grounded separately, and the video arresters in the monitoring room can be grounded uniformly), To prevent damage to the equipment caused by induction lightning.

 

2. Pancegahan kanggo masang kabel kontrol

 

2.1. In the analog monitoring system, if a camera equipped with a pan/tilt zoom lens is installed and controlled by a pan/tilt lens controller, the control csaged should be selected according to the distance between the camera and the pan/tilt lens controller. When the distance is less than 100 meters, the pan/tilt control csaged can use RVV6×0,5 sarungcsaged; when the distance is greater than 100 meters, the pan/tilt control csaged should use RVV6×0,75 sarungcsaged, and the lens control csaged uses RVV4×0.5 Sheathed csaged.

 

Yen sistem pemantauan analog ngontrol pan / miring lan lensa liwat host kontrol matriks, umume dibutuhake decoder. Kanggo tata letak sirkuit kontrol, waca syarat teknis host kontrol matrik sing digunakake.

 

2.2. Ing sistem pengawasan digital, yen kamera sing nganggo lensa zoom / miring dipasang, telusur / miring lan lensa kudu dikontrol liwat dekoder. Dekoder umume dipasang ing jejere kamera, lan dekoder lan perekam video digital nggunakake bus RS485 kanggo komunikasi. Kabel kudu nggunakake RVVP2×1 shielded twisted-pair csaged from the digital video recorder to the nearest decoder 1, and then from decoder 1 to decoder 2... The current 16-channel digital video recorder can connect up to 16 decoders. The total length of RS485 communication csaged can be up to 1200 meters. The wiring diagram is as follows: see the relevant posts in the basic knowledge.

 

Dekoder duwe rong jinis pasokan listrik: AC220V lan AC24V. Yen decoder AC24V dipilih, umume diwenehake dening trafo AC24V. Penting, dicathet yen amarga gangguan output pasokan listrik DC12V dening sawetara dekoder, bakal menehi pengaruh tartamtu marang gambar nalika digunakake kanggo pasokan listrik kamera, mula kudu nyedhiyakake seragam kamera (12V).

 

3. Ati-ati kanggo nyelehake kabel listrik kamera

 

Arus operasi kamera biasa ing pasar sing nggunakake pasokan listrik DC12V udakara 200 ~ 300mA, lan kamera integral yaiku 350 ~ 400mA. Yen jumlah kamera cilik (kurang saka 5) lan jarak antarane kamera lan host ngawasi cukup cedhak (kurang saka 50 meter), saben kamera bisa dipasang kanthi individu nganggo RVV2×Kabel listrik 0,5 menyang ruangan ngawasi lan didukung karo trafo cilik. Yen jumlah kamera akeh, catu daya sing diatur kanthi 12V DC sing dhuwur kudu digunakake kanggo pasokan listrik terpusat.

 

In the program design and construction process, it is necessary to consider the total power of all cameras and the voltage drop caused by the transmission csaged (commonly known as "csaged loss", the resistance of 1m2 copper wire per 100m is 1.8Ω). Kanggo ngawasi bangunan, loro kabel plastik dobel inti 2.5-6m2 umume digunakake minangka pasokan listrik utama kanggo timbal saka ruang pemantauan menyangcsaged well, and walk along the csaged well to the csaged well on the floor where each camera is located. For the power supply of each camera on the floor, one RVV2×1 utawa RVV2×1,5 (yen jumlah kamera ing lantai iki ngluwihi 6) kabel listrik bisa digunakake kanggo nyuplai listrik menyang kamera, utawa nggunakake RVV2×0,5 kabel selubung kanggo korespondensi siji-sijine didhukung dening