8.0 APPLICATION - FILED CONNECTIONS
SIGNAL INPl/T
TWO-WIRE
TRANSMITTER
FOUR-WIRE +r------==--,
+
TYPICAL TWO-WIRE
TRANSMITTER CONNECTIONS
NOTE 1: For Hn•ing current of input
IN connection• in Figure C
NOTE 2: For loads (RLOAO) of 0-50 ohms
see connections in Figure 0
==
i).
SCX-102
---- SEE NOTE 1
TRANSMITTER
TYPICAL FOUR-WIRE
TRANSMITTER CONNECTIONS
---- SEE NOTE 2 NOTE 1: For sensing cun--ent of input
see connections in Figure C
RL0AD
NOTE 2: For loads (RLOAD) of 0-50 ohms
see connections in Figure D
FIGURE A
OPTIONAL. GROUND
50-750 ohms
1000
900
C/J
800
a)
700
600
•1"'4
C/J
500
400
300
200
CONNECTION
- (see note 2)
FIGURE B
OPTIONAL GROUND
CONNECTION
E.quivalent Input Resistance
/
V
/
V
)v
./
.V
.v/�
I
0
I
I
I
I
I
I
100 200 300 400 500 600
Load Resistance (ohms) for
20
ma input
1-----
50
to
750
ohms
-+- 0
to
50
ohms
-3-
700
==
INPUT
---- SEE NOTE 1
---- SEE NOTE 2
RL0AD
20
18
16 �
8
14 Cl
�
12
.:§
�
10 �
8
6
4
190-A-SCX102-A