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EMA90 - USER MANUAL
8.1.1)
DIGITAL INPUTS (OPTION)
This option has 4 digital inputs.
With this option the instrument will be equipped with 6 digital inputs and 2 digital outputs.
Do2Do2+
COM
Di6
Di5
Di4
12 ÷ 24 Vdc
Di3
+12 ÷ 24 Vdc
2
6
5
4
3
2
1
Do2Do2+
COM
Di6
Di5
Di4
Di3
L1V
L2V
L3V
N
CE
TX
7
RX
8
CO M
9
Di1 +
12 11 10
Di 1-
1
Di2 +
3
TX
COM
RX
Di1+
4
Di 2-
5
6
B
7
A
8
Do 1+
9
Do 1-
12 11 10
Di2Di2+
Di1-
A
B
Do1Do1+
+12 ÷ 24 Vdc
S1 S2 S1 S2 S1 S2
I1
I2
L
N
Vaux
I3
Do2Do2+
COM
Di6
Di5
Di4
12 ÷ 24 Vdc
TX
COM
RX
2
8
7
6
5
4
3
L2V
L3V
N
-21-
S1 S2 S1 S2 S1 S2
I1
I2
2
1
L
N
Do2Do2+
COM
Di6
Di5
Di4
Di3
L1V
CE
TX
C OM
9
RX
D i1+
12 11 10
D i1 -
1
D i2+
3
D i2 -
4
B
5
A
6
D o1 +
7
D o1 -
8
Di1+
9
Di2Di2+
Di1-
A
12 11 10
B
Do1Do1+
Di3
I3
Vaux