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User Guide
2.2.4 Thermometer input/output connection schedule
The thermometer input/output connection schedules are given in Fig. 12 and 13.
NOTE
If using a thermocouple as a linear 4 to 20mA input, then a transmitter
must be used scaled to fit one of the following ranges:
0 to 600°C
0 to 1100°C
0 to 1600°C
Fig. 12 - GST thermometer cable connection schedules
NOTE
SIGNAL 3 and SIGNAL 4 are not used for GST thermometers.
LMG GS
30 to 1100°F
30 to 2000°F
30 to 3200°F
Thermometer output
Pin Nº
Cable Colour
1
----
2
Green
3
Yellow
White
4
5
Brown
6
Purple
7
Screen
8
Red
Blue
9
10
Black
Signal Processor
Function
Ground plane
Signal ground (0V)
Signal 1
Signal 2
Signal 3
Signal 4
Cable screen
+V Power supply
-V Power supply
0V Power supply
238012
Page 17
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