30 TX9165-UM-EN-07
Connections to Sentro rModules
Remote sensor input cables are connected directly into a Sentro rModule that may
be loaded into module bays, E to H.
• The rModules are creepage and clearance compliant with intrinsically safe
requirements.
• Most remote sensors can normally be powered by the supply source available
from the Sentro rModule.
4 to 20 mA Analogue Sensing Module
TX9160.301
• 2 wire signal loop
• Line powered
sensor
• 2 wire signal loop
• Additional wire for
sensor power 0 V
• 2 wire signal loop
• 2 wires for power +
V and 0 V
rModule
Max. cable length
1.5 mm
2
2.5 mm
2
2000 m
5000 m
Max. external loop
resistance
600 ohms
Sensor voltage
TX9165.01
TX9165.03
Use 12 V dc sensor
Use 24 V dc sensor
12 V dc via module
24 V dc via module
12 V dc via module
24 V dc via module
Sensor current
available
Line powered 100 mA 100 mA
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