28
English
9.1 Connection of the input circuit and output leads
Instruments version
Wiring diagram / Plug arrangements
Type 811-61.
0
...
811-62.
0
...
Non-Ex input circuit,
supply voltage Us
=
24 V DC,
not designed for FSK.
1
2
c a
26
28
30
32
27
29
3
4
31
X
1
2
c a
26
28
30
32
27
29
3
4
31
X
Type 811-63.
0
...
811-64.
0
...
Intrinsically safe input circuit,
supply voltage Us
=
16.9 V DC,
not designed for FSK.
1
2
c a
26
28
30
32
27
29
31
X
Type 811-61.
1
...
811-62.
1
...
Non-Ex input circuit,
supply voltage Us
=
24 V DC,
designed for FSK.
Hand held terminal connected to
field output A12
.
–
+
U
S
–
+
U
S
Fig. 7
Fig. 8
Fig. 9
A1
AF
–
+
+
–
+
–
A12
+
–
HHT
1
Field indicator
Connection of an HHT
(connections a3 and c4 connected
directly to connections a1 and c2)
4…20 mA
Input circuit
U
S
MSK
2-wire
transmitter
Safe area
A1
AF
+
–
+
–
A12
+
–
*HHT
1
Field indicator
Connection of an HHT
(connections a3 and c4 connected
directly to connections a1 and c2)
4…20 mA
Input circuit
MSK
2-Draht-
messumformer
Safe area
Hazardous area
* Note data given in the type test
certificate.
X
X
A1 0/4…20 mA
AF
+
–
A12
+
–
HHT
1
4…20 mA
Input circuit
FSK
2-wire
transmitter
Safe area
X
FSK
Continuation of “Section 9.1” see on next page!
1
HHT = Hand held terminal
