Operating Instructions
16
Transmitter supply unit with limit values type 9162
7 Commissioning
7.1 Connections
Please note: From Rev. B onwards the output contact A and B are potential-free. Contact A is connected to PIN 3 and 4.
The additional internal HART resistor between PIN 3 and 1 is obsolete.
Connection of power supply (green terminal pin 9- / 7+):
Type of power supply
How to connect
Direct supply of the transmitter
supply unit
Green terminal PIN 9- and 7+
Power supply via pac-Bus
See chapter 6.3 c)
Input connections (black terminals PIN 10,11,12):
Two-wire-transmitter Three-wire-
transmitter
mA
Channel
Output connection (black terminals PIN 1, 2, 3)
Kanal
Note: A working HART communication requires a minimum load resistance (e.g. input
resistance of input card) of 250
Ω
in the output circuit. If this is not available an external
resistance can be used. The maximum output load is reduced accordingly.
12 +
10
12 +
11 -
10
+
0/4...20mA
English
free. Contact A is connected to PIN 3 and 4.
mA-source
: A working HART communication requires a minimum load resistance (e.g. input
If this is not available an external
resistance can be used. The maximum output load is reduced accordingly.
11 -
10 +
+
-
Summary of Contents for ISpac 9162
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