Installation Instructions
© BTG 2019
User Manual CPM II2066en Rev.B
17
2.5.2.1
HCM-8000 Connections
NOTE!
The functions of the connections for each instrument type can be found in the
connection tables for HCM-8000 in section 5:
P1
P3
P2
Fig 10 HART Communication
Module HCM-8000
HCM-8000
P3
P2
P1
AO Analog Out
(
) alternatives
Alternative 1:
AO = Passive
Alternative 2:
AO = Active
Transmitter
cable
Cable shield
SFM-8000
Digital In 3
Digital Out
DI3
P1
DO
+
-
LOAD
+24 V
+24 V
Digital In 2
Digital In 1
DI1
P2
DI2
+24 V
+24 V
Analog In 4-20 mA
Active Analog Out 4-20 mA
AO1
P3
AI1
+24 V
Analog In 4-20 mA
Passive
4-20 mA
Analog Out
Supplied with 14 - 35 V DC
AO1
P3
AI1
+24 V
+
-
LOAD
+24 V
Fig 11 Connection of HCM-
8000 cable
CAUTION
Always connect
the cable shield!
CAUTION!
The cable shield must always
be connected to the upper
connection point on the shield
filter module, and kept
separated from the transmitter
cable shield.
NOTE!
Note the polarity for
Passive or Active
Analog Out (AO).
If the analog output
signal (4-20 mA) is
passive, an external
source of current must
be used (14-35 V DC)
