Connecting Tubes; Wiring; Electrical Grounding - Siemens QBM3700 Series User Manual

1
Installation

Connecting tubes

1.3 Connecting tubes

1.4 Wiring

1.4.1 Electrical grounding

Starting point
6 | 20
Connect the tubes
Note the following grounding situation of the QBM3700...
Power-
supply
24V
Transformer
REF B- A+
M
Not isolated RS485
0V
Sensor module
Earth
Avoid loops
A6V11841988_en--_b