Endress+Hauser Proline Promass A 100 PROFINET Operating Instructions Manual page 30

Electrical connection
30
7.2.4 Pin assignment, device plug
Supply voltage
Pin
2
1
2
1
3
3
5
4
4
5
A0016809
Coding
Device plug for signal transmission (device side)
Pin
2
1
2
1 3
3
4
4
Coding
A0016812
7.2.5 Preparing the measuring device
NOTICE
Insufficient sealing of the housing!
Operational reliability of the measuring device could be compromised.
‣
Use suitable cable glands corresponding to the degree of protection.
1. Remove dummy plug if present.
2. If the measuring device is supplied without cable glands:
Provide suitable cable gland for corresponding connecting cable.
3. If the measuring device is supplied with cable glands:
Observe requirements for connecting cables →  28.
7.3 Connecting the measuring instrument
NOTICE
An incorrect connection compromises electrical safety!
‣
Only properly trained specialist staff may perform electrical connection work.
‣
Observe applicable federal/national installation codes and regulations.
‣
Comply with local workplace safety regulations.
‣
Always connect the protective ground cable  before connecting additional cables.
‣
When using in potentially explosive atmospheres, observe the information in the
device-specific Ex documentation.
L+
L-
A
+
+
-
-
D
Proline Promass A 100 PROFINET
Assignment
DC 24 V
Not assigned
Not assigned
DC 24 V
Grounding/shielding
Plug/socket
Plug
Assignment
TD +
RD +
TD –
RD –
Plug/socket
Socket
Endress+Hauser