Manual

Product Specifications
Appendix A
A-6
Figure A.1
Loop
Power Selection
0.1 A
90024
2
2 Wire HART
Field Device
- +
+ -
1 21
JP2
E D
Analog I/O
Module
12
RTN
SH
SH
+
-
Earth
Ground
Coupling
Capacitors
Interface to
Transceiver
Circuitry of
1770-HT1
Indicates
Direction
of Current
24  32 VDC
Power
Supply
+
-
Though not indicated, all
shield connections are
connected to each other.
4 Wire HART
Field Device
+ -
+ -
Power
Supply
0.1 A
1770-HT8
0.25A
1770-HT16
0.50A
Low Pass
Filter
RC Constant of 55 ms
Low Pass
Filter
JP1
E D
CH1 CH2 COM