Proline Promass A 100
Electrical connection
Hauser
23
7
Electrical connection
7.1
Connection conditions
7.1.1
Required tools
• For cable entries: Use corresponding tools
• For securing clamp (on aluminum housing): Allen screw 3 mm
• For securing screw (for stainless steel housing): open-ended wrench 8 mm
• Wire stripper
• When using stranded cables: Crimping tool for wire end ferrule
7.1.2
Requirements for connecting cable
The connecting cables provided by the customer must fulfill the following
requirements.
Electrical safety
In accordance with applicable federal/national regulations.
Permitted temperature range
• –40 °C (–40 °F) to +80 °C (+176 °F)
• Minimum requirement: cable temperature range ≥ ambient tempe20 K
Power supply cable
Standard installation cable is sufficient.
Signal cable
Current output
For 4-20 mA HART: Shielded cable recommended. Observe grounding concept of the
plant.
Pulse/frequency/switch output
Standard installation cable is sufficient.
PROFIBUS DP
The IEC 61158 standard specifies two types of cable (A and B) for the bus line which
can be used for every transmission rate. Cable type A is recommended.
Cable type
A
Characteristic impedance
135 to 165 Ωat a measuring frequency of 3 to 20 MHz
Cable capacitance
<30 pF/m
Wire cross-section
>0.34 mm
2
(22 AWG)
Cable type
Twisted pairs
Summary of Contents for Proline Promass A 100
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