Eurolite LVH-8 Manual de Usario

Eurolite controlador LVH-8

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USER MANUAL
BEDIENUNGSANLEITUNG
LVH-8
VIDEO CONTROLLED RELAY
© Copyright
Nachdruck verboten!
Reproduction prohibited!
INPUT
VI DE O CO N T R O L L E D RE L AI S
L
L
L
LL
VH-8
VH-8
VH-8
VH-8VH-8
SYNC
LOOP
T HR U
LVH-8 VIDEO CONTROLLED RELAY
Video signal from equipment [NTSC/PAL]
Videosignal von Videogerät [NTSC/PAL]
12-24 V DC
Relay contacts connected to other units
Relaiskontakte angeschlossen an andere Geräte
Acceptor or 75 terminator plugW
Endgerät oder 75 AbschlussW
INPUT
VI DE O C O NT RO L L E D RE L AI S
L
L
L
L
L
VH-8
VH-8
VH-8
VH-8
VH-8
SYNC
LOOP
THRU
POWER
LVH-8 VIDEO CONTROLLED RELAY
VIDEO CONTROLLED RELAY
The LVH-8 serves as a video presence detector for an audio/video system. The unit
generates a control signal based on the absence or presence of valid video signals. The unit
responds to NTSC and PAL signals and features a feed-through output. Power connections
are made using block terminals.
SAFETY INSTRUCTIONS
• Before your initial start-up, please make sure that there are no transport damages. Should
there be any, do not take the device into operation and immediately consult your dealer.
• Operate the device only after having familiarized with its functions. Do not permit operation
by persons not qualified for operating the device.
• Protect the device against humidity and heat. Keep away from heaters and other
heating sources!
• We recommend a frequent cleaning of the device. Disconnect from mains first. Use
a soft lint-free and moistened cloth. Never use alcohol or solvents!
• There are no serviceable parts inside the device. Maintenance and service operations are
only to be carried out by authorized dealers.
• Damage, caused by manual modifications on the device are not subject to warranty. If the
device is used for other purposes than originally intended or if it is not correctly connected,
the product may suffer damages and the guarantee becomes void.
• This product is allowed to be operated with 12-24 V DC. This device falls under protection
class 3 and was designed for indoor use only.
OPERATION
Prior to connecting switch off all units and do not turn them on again until you have made all
necessary connections.
1 Connect your signal source via a 75 coaxial cable with BNC plugs to the jack INPUT.
The input signal fed through is available at the output LOOP THRU. The detection circuit
bridges a 1 volt video line. The LVH-8 may be inserted in a video line with the LOOP THRU
video output feeding a terminated load. It may alternatively be installed at the end of a
video line by installing the supplied 75 terminator plug to the jack LOOP THRU. The unit
responds to valid NTSC or PAL sync while ignoring 50 Hz and 60 Hz hum related to
induction artifacts. Weak signals as low as 0.5 V can be detected. When a valid signal is
detected, the control indicator SYNC lights up and the relay contacts close. Both a
normally-open and a normally-closed contact is provided, permitting the LVH-8 to be
connected as a video presence detector or as a video loss detector.
2 To control another unit with the LVH-8 connect it to the relay contacts.
3 To power the unit 12-24 V DC are required. For this purpose, connect a power source (e.g.
power supply unit, battery) to the terminals DC 12-24. Always observe the correct polarity.
Connect the marked core to the left contact "+".
TECHNICAL SPECIFICATIONS
Power supply: ....................................12-24 V DC, 74 mA
1x video input:....................................0.5-1 Vpp/ 75 BNC, ground referenced
1x video output:..................................Feed-through/ BNC, ground referenced
Control output: ..................................N/O or N/C contacts
Relay contacts: .................................Single-pole, double-throw
Max. switching power: .......................60 W, 125 VA
Max. switching voltage: .....................220 VAC, 250 V DC
Max. switching current: .....................2A
Max. continuous switching current: ...3A
Dimensions (LxWxH):........................76 x 41 x 31 mm
W
W
W
Please note: Every information is subject to change without prior notice. 20.01.2009 ©

Especificaciones del producto

Marca: Eurolite
Categoría: controlador
Modelo: LVH-8

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