Electrical connection
Nanomass Gas Density
20
Hauser
7
Electrical connection
The measuring device does not have an internal circuit breaker. For this reason, assign
the measuring device a switch or power-circuit breaker so that the power supply line can
be easily disconnected from the mains.
7.1
Connection conditions
7.1.1
Required tools
• For cable entries: use an appropriate tool.
• When using stranded cables: use a crimper for wire end ferrule.
7.1.2
Connecting cable requirements
The connecting cables provided by the customer must fulfill the following requirements:
Electrical safety
In accordance with applicable national regulations.
Permitted temperature range
• –40 to 80 °C (–40 to 176 °F)
• Minimum requirement: cable temperature range
≥
ambient tempe 20 K
Power supply cable
Signal cable
USB cable
RS232 cable
Outer diameter
3.5 to 5 mm
Number of cores
Min. 2
Cable resistance
77.8
Ω
/km at 20 °C
Shielding
Single shielding
Shielding
A shielded cable is recommended. Observe grounding concept of the
plant.
Cable type
Mini USB, type B, Buccaneer; standard USB, type A
Cable length
Max. 5 m
Cable type
M12, 4-pin; D-Sub, 9-pin
Cable length
Max. 5 m
Transmission rate
57600 Bd