ABB REF 545 Product Guide

Feeder Terminal REF 541, REF 543, REF 545.
1MRS750443-MBG
10
Profibus is available through the SPA-ZC 302
Gateway and IEC 61850 is available through
the SPA-ZC 400 Ethernet Adapter
The serial interface RS-485 on the rear panel
is used for connecting the feeder terminal to
the SPA bus or the LON bus. The SPA/LON
bus is connected via the RER 103 Connection
Module fitted to the 9-pin D-type subminia
-
ture connector and screwed to the rear panel.
The digital input and output contacts of the
feeder terminal are connected to the multi-
pole connectors.
Protective earth is connected to the screw
marked with the earth symbol.
Basic connection diagrams
A050202
Fig. 3 Basic connection diagram of REF 541.
1A
5A
1A
0,2A
100V
100V
100V
100V
1A
5A
1A
5A
1A
5A
X1.1
16
15
14
13
12
11
8
7
6
5
4
3
2
1
10
9
19
18
22
21
27
25
24
IRF
TCS2
TCS1
X4.1
5
6
7
9
8
10
11
13
12
15
16
18
17
3
4
11
10
12
13
15
14
16
17
18
8
9
X4.2
X2.1
X2.2
X2.3
X2.4
X2.5
X2.6
X2.7
DIFF
DIFF
DIFF
DIFF
DIFF
DIFF
DIFF
X3.3
+
-
X4.1
1
2
PS1_4_HSPO3
PS1_4_HSPO1
PS1_4_TCS1
PS1_4_HSPO2
PS1_4_HSPO5
PS1_4_SO1
PS1_4_TCS2
PS1_4_HSPO4
PS1_4_TempAlarm
X2.9
DIFF
1
2
4
5
6
7
X4.2
PS1_4_BI1
PS1_4_BI3
PS1_4_BI2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
X5.1
5
6
7
9
8
10
12
11
13
15
14
16
18
17
1
2
X5.2
REF 541
(1MRS 090115- AABA/BABA/CABA )
BIO1_5_BI1
BIO1_5_BI11
BIO1_5_BI9
BIO1_5_BI8
BIO1_5_BI7
BIO1_5_BI6
BIO1_5_BI5
BIO1_5_BI4
BIO1_5_BI3
BIO1_5_BI2
BIO1_5_BI10
BIO1_5_BI12
BIO1_5_SO1
BIO1_5_SO2
BIO1_5_SO3
BIO1_5_SO4
BIO1_5_SO5
BIO1_5_SO6
X5.2
X2.8
DIFF
PS1_4_ACFail
X3.2
S1
S2
S1
S2
P1
P2
L3
L1
L3
L1
A
N
n
a
da
dn
+
+
+
Q1
Q9
Q0
+
+
0
I
-
-
*)
-
-
-
-
+
0
+
1
**)
SERIAL BUS
Mains
Ch 9, sensor
Ch 10, sensor
Ch 8, sensor
Ch 7, sensor
Disconnector Q1
Close
Disconnector Q1
Open
*) Power flow direction
Ch 4, sensor
Ch 3, sensor
Ch 2, sensor
Ch 1, sensor
Ch 5, sensor
Ch 2, CT1
Ch 3, CT2
Ch 4, CT3
Ch 5, CT4
Ch 6, CT5
Ch 7, VT1
Ch 8, VT2
Ch 9, VT3
Ch 10, VT4
**) Example connection
External
open
External
close
SERIAL BUS

ABB REF 545 Specifications

General

Brand	ABB
Model	REF 545
Category	Touch terminals
Language	English