Stahl 9180, Operating Instruction

Page: 19 / 24

English Operating Instructions
Resistance Isolator Type 9180 19
Input connections
Resistance thermometer / potentiometer
2-wire 3-wire 4-wire (1 channel) 4-wire (2 channels)
channel 2
channel 1
*) the connection of two sensors in 4-wire scheme requires an additional external clamp.
Output connections
2-wire 3-wire 4-wire
channel 2
channel 1
7.2 Settings
Line fault detection
LF
Type of circuit
**)
(Setting is applied for both channels)
deactivated
*)
activated 2-wire
*)
3-wire 4-wire
Channel 1
Channel 2
*) Default setup
**) Please note: In order to activate a new set-up of circuit type you have to switch of the
power supply for a short moment. (Power on reset)!
Changing settings via the PC software or DIP switches during operation is also permitted in
Zone 2 and on circuits carrying intrinsically-safe input signals.
LF1
LF2
ADJ1
ADJ2
ON OFF
1
2
LF1
LF2
ADJ1
ADJ2
ON OFF
1
2
LF1
LF2
ADJ1
ADJ2
ON OFF
1
2
LF1
LF2
ADJ1
ADJ2
ON OFF
1
2
LF1
LF2
ADJ1
ADJ2
ON OFF
1
2
9180
Input for
Pt 100 /
Pt 1000
5+
4
+
-
Input for
Pt 100 /
Pt 1000 6
4
S
-
9180
Input for
Pt 100 /
Pt 1000
4 -
5+ +
5+
+
S
S 6
9180 9180
9180 9180
4
Input for
Pt 100 /
Pt 1000
3
1+
-
+
Input for
Pt 100 /
Pt 1000
3
1+
-
+
2
S
9180
Input for
Pt 100 /
Pt 1000
3
1+
+
2
S
S
9180
9180 9180
- 3
X1 *)