REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04
REF542
plus
: Installation and Commissioning
77 / 80
11.2
REF542plus with solid state binary I/O
Example of REF542
plus
base version for sensor connection with one solid state
binary I/O version 3. Extension up to two additional solid state binary I/O possible.
Other configuration of the analog input board available, e.g mixed configuration for
transformers and sensors connection.
Note: Please connect the right polarity
DC
DC
+
-
1
2
3
-X10:
-X81:
A
D
Sensor 1
A
D
Sensor 2
A
D
Sensor 3
A
D
Sensor 4
A
D
Sensor 5
A
D
Sensor 6
A
D
Sensor 7
A
D
Sensor 8
-X82:
-X83:
-X84:
-X85:
-X86:
-X87:
-X88:
d30
z32
z20
z22
z18
BO06
WD1
z10
z12
BO07
d10
d12
d02
z02
BI01
d04
z04
BI02
d06
z06
BI03
d08
z08
BI04
d10
z10
BI05
d12
z12
BI06
d14
z14
BI07
d16
z16
BI08
d18
z18
BI09
d20
z20
BI10
d22
z22
BI11
d24
z24
BI12
d26
z26
BI13
d28
z28
BI14
-X21:
-X20:
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
z28
d28
BO09
d24
z26
BO08
+
+
+
BO04
d18
d20
d22
BO05
BO03
+
+
+
+
-
z06
z08
BO02
d06
d08
-
+
z02
z04
BO01
d02
d04
-
+
REF542
plus
Base version with
sensor and
solid state binary I/O