Module cách ly VF6003-00

Class A Configuration Wiring – The VF6003 short circuit isolator should be located between any devices on the SLC loop. In the event of a short on the SLC loop, the two adjacent isolators (closest isolators to the left and right of the shorted section) will activate and their respective LED indicators will be turned on. All devices between the active short circuit isolators will be dead. This will prevent an entire loop failure. Upon removal of the short condition, the VF6003 devices will automatically restore the entire loop to the normal operating state.
Class B Configuration Wiring – The VF6003 short circuit isolator should be located between any devices on the SLC loop. In the event of a short on the SLC loop, an isolator closest to the shorted section will activate and the LED will be turned on. All the devices beyond the shorted section will be disabled. Upon removal of the short condition, the VF6003 will automatically restore the entire loop to the normal operating state. For the best performance, use class A configuration.

⇓ Tải xuống Catalogue VF6003

Danh mục:

Short Circuit Isolator
VF6003-00   


Standard Features
• Can be placed at any location on SLC loop
• Checks the line for short circuit at power up; if the line is normal, the relay
will be returned on. If a line short is detected, the relay remains open
• Indication of short circuit by a yellow LED
Application
The VES VF6003 Short Circuit Isolator provides the capability of allowing NFPA SLC
Style 7 installations

Technical Specifications

Absolute Maximum Applied
Voltage
S, SC 41 VDC
Supply Voltage Nominal S, SC 33 VDC
Normal Current Consumption 270 μA
Average Current Consumption
(Short Circuit Condition)
10 mA
Visual Indicator (Yellow Status
LED)
Normal Condition No indication
Active (Short) Condition On Steady
SLC Maximum Resistance 50 ohms
Weight 1.4 oz
Maximum Humidity up to 90%, non-condensing
UL Ambient Installation
Temperature Range
32º F to 120º F
Dimensions 4.2” W x 4.7” H x 1.4” D

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