CA76NA
Electrical connection
Hauser
21
M12 socket
PROFIBUS is connected to an external M12 socket.
1
2
3
4
5
A0041351
7
Pin assignment 5-pin, b-coded
1
n.c.
2
A (green)
3
n.c.
4
B (red)
5
n.c.
Housing
Shielding
6.3
Ensuring the degree of protection
Only the mechanical and electrical connections which are described in these instructions
and which are necessary for the required, designated use, may be carried out on the device
delivered.
‣
Exercise care when carrying out the work.
Individual types of protection approved for this product (impermeability (IP), electrical
safety, EMC interference immunity) can no longer be guaranteed if, for example:
• Covers are left off.
• Different power units to the ones supplied are used.
• Cable glands are not sufficiently tightened (must be tightened with 2 Nm for the
confirmed level of IP protection).
• Cables/cable ends are loose or insufficiently secured.
• Conductive cable strands are left in the device.
6.4
Post-connection check
L
WARNING
Connection errors
The safety of people and of the measuring point is at risk! The manufacturer does not
accept any responsibility for errors that result from failure to comply with the instructions
in this manual.
‣
Put the device into operation only if you can answer
yes
to
all
the following questions.
Device condition and specifications
‣
Are the device and all the cables free from damage on the outside?
Electrical connection
‣
Are the mounted cables strain relieved?
‣
Are the cables routed without loops and cross-overs?
‣
Are the signal cables correctly connected as per the wiring diagram?
‣
Are all plug-in terminals securely engaged?
‣
Are all the connection wires securely positioned in the cable terminals?
Содержание CA76NA
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