VAMP 220 User Manual

VAMP 220 / 220R Arc protection system
User manual
VAMP Ltd
62
Vamp 24h support phone : +358 (0)40 573 6316
VM220.EN004
8. Application examples
8.1. System with two master units
The figure 8.1-1 illustrates an arc protection system with two
master units. It shows the transmission lines, the trip circuits,
and how the system operates under different fault conditions.
VAMP
VAMP
B
X1
X2
X1 X2 CB1 CB2 CB3 Ib T1 T2
CB1
CB3
CB2
T2
T1
V2
VAMVAM
La Lb
Ib
123
VAMP
220R
La (Light BIO) is a bidirectional line which transmits/receives arc inforemation between VAMP units.
(not used inthis application)
Lb (Light BIO) is a unidirectional condition line. If the VAMP unit receives overcurrent information Ib>
simultanously as an arc condition occures, the light information be transmitted through
this BIO line. (not used inthis application)
Ib Is a bidirectional line which transmits/receives overcurrent information between VAMP units.
Ia Is an overcurrent transmiting line (one direction), not used in this application.
See also VAMP 220 R Tri
p
Si
g
nallin
g
Block Dia
g
ram !!
WILL NOT
Section 1
Section 2
A
T1 T2
Ib>
3
3
*
*
*
*
*
*
*) = no affect to function
Figure 8.1-1 An application example with two master units.

VAMP 220 Specifications

General

Brand	VAMP
Model	220
Category	Protection Device
Language	English