Page 31 - Arc Guard System - TVOC-2

ABB ARC GUARD SYSTEM™ – TVOC-2 INSTALLATION AND MAINTENANCE GUIDE 31

No CSU-2 connected
When there is no CSU-2 connected to the Arc Monitor then
set the DIP switch 1 and 2 to position 0.
DIP switch 1 and 2 in position 0 is the default state A B
(factory settings). O 1 2 34 56 7 8
N

1SFC170011M0201
Figure 36
No CSU-2 connected
One (1) CSU-2 connected
If there is one (1) CSU-2 connected to the CSU-2 input X1, 04
21 then set the DIP switch 1 to position ON.

O 1 2 34 56 7 8
N

1SFC170011M0201
Figure 37
One CSU-2 connected
DIP switches 1, 2, 3 and 4 to position ON
Set DIP switches 1, 2, 3 and 4 to position ON. In this
configuration two CSU-2 are connected.
For more information See: “Two (2) CSU-2 connected” on
page 31. 43 44 53 54 63 64 43 44 53 54 63 64
• Any detector with combination of over current O 1 23 4 56 7 8 Trip K4 Trip K5 Trip K6 K4 Trip Trip K5 Trip K6
condition in CSU-2 21, operates trip contacts K4 and N X3 X2 X3 X2
K6. As well as signal relays K2 and K3. X1 X1
CSU CSU
• Any detector with combination of over current
condition in CSU-2 22, operates trip contacts K5 and
K6. As well as signal relays K2 and K3.
1SFC170011M0201
Figure 38
DIP switches 1,2,3 and 4 to position ON
Two (2) CSU-2 connected

If there are two (2) CSU-2s connected to the CSU-2 input
21 and 22 then set the DIP switch 1 and 2 to position ON.

WARNING
O 1 2 34 56 7 8
The CSU-2 cable is connected before N
configuration is made.
For more information how to connect CSU-2
cables, See: “Connecting CSU-2 cable” on page
24.

1SFC170011M0201
Figure 39
Two CSU-2 connected