ABB Distribution Protection Unit 1500R
9-7
Relay Installations
9/99
website:www.abb.com/papd
Note:
In this case
, OUT 2 is sho
wn prog
rammed
as the break
er close contact.
Inputs 1, 2 and
3 on ter
minals 4, 5 and 6
are sho
wn
mapped to the 52A (XO), 52B (XI) and 43A
(AR) logic functions respectiv
ely
. Ref
er to
Section 6 f
or other a
v
ailab
le I/O logic
mapping functions
.
Self chec
k alar
m contacts are sho
wn in
the po
w
ered do
wn condition.
When control
po
w
er is applied, contacts will change state
.
USER SELECT
ABLE
PHASE R
O
T
A
TION
ABC (L1L2L3) or A
CB (L1L3L2)
* = OPTIONAL CONT
A
C
T CONFIGURA
TION
SELECT
ABLE N.O
. OR N.C
.
43A
(AR)
52B
(XI)
52A
(XO)
52A
(XO)
VN
(UN)
(UL1)
(UL2)
(UL3)
(UN)
VC
(UL3)
VB
(UL2)
A
(L1)
VA
(UL1)
B
(L2)
C
(L3)
52
Figure 9-4. Typical Minimum External Connections
OPTIONAL:
OPEN DEL
T
A
PT CONFIGURA
TION
Relay External Connections
34
VN
(UN)
33
VC
(UL3)
32
VB
(UL2)
31
VA
(UL1)
A
(L1)
B
(L2)
C
(L3)