Electrical connection
Proline Promass E 300 Modbus RS485
34
Hauser
7.2
Connecting the measuring device
NOTICE
Limitation of electrical safety due to incorrect connection!
‣
Have electrical connection work carried out by appropriately trained specialists only.
‣
Observe applicable federal/national installation codes and regulations.
‣
Comply with local workplace safety regulations.
‣
Always connect the protective ground cable before connecting additional cables.
‣
For use in potentially explosive atmospheres, observe the information in the device-
specific Ex documentation.
7.2.1
Connecting the transmitter
1
2
3
4
A0026781
1
Terminal connection for supply voltage
2
Terminal connection for signal transmission, input/output
3
Terminal connection for signal transmission, input/output or terminal connection for network connection via
service interface (CDI-RJ45); optional: connection for external WLAN antenna or remote display and
operating module DKX001
4
Protective earth (PE)
N
ic
h
t
u
n
te
r
ar
e
ö
ffn
e
n
+
E
ESC
–
1.
2.
N
ic
h
t
u
n
te
r
ar
e
ö
ffn
e
n
+
E
ESC
–
+
E
ESC
–
3.
3.
4.
3 mm
A0029813
1. Loosen the securing clamp of the connection compartment cover.
2. Unscrew the connection compartment cover.
3. Squeeze the tabs of the display module holder together.
4. Remove the display module holder.