Retrofitting An Inductive Limit Contact - Samson 3730 Series Mounting And Operating Instructions

5.12 Retrofitting an inductive
limit contact
Required retrofit kit:
Limit contact
Note
The same requirements apply to retrofitting a
unit as to servicing the positioner. For explo-
sion-protected positioners, the requirements
in Servicing explosion-protected devices
need to be kept. Check the "Limit switch, in-
ductive" box on the nameplate after install-
ing the limit contact.
1. Take off the rotary pushbutton (3) and cap
(1), unthread the five fastening screws (2)
and lift off the plastic cover (9) together
with the display, taking care not to dam-
age the ribbon cable (between PCB and
display).
2. Use a knife to cut an opening at the
marked location (4).
3. Push the connector (11) with cable
through the opening and secure the prox-
imity switch (7) on the cover with a dot of
glue.
4. If necessary, remove the jumper at the
socket X9 and push the cable connector
(11) on the socket.
5. Guide the cable in such a manner that the
plastic cover can be placed back onto the
positioner. Insert the fixing screws (2) and
screw tight. Attach the clamping plate (8)
onto the proximity switch.
6. Attach the rotary switch (5). Make sure
the flattened side of the positioner shaft is
EB 8384-5 EN
Order no. 1402-1770
turned so that the rotary switch (5) can be
attached with the metal tag next to the
proximity switch.
7. On start-up of the positioner, set the op-
tion inductive alarm under Code 38 from
No to YES.
9
Slot X9 (11)
1 Cap
2 Screw
3 Rotary pushbutton
4 Marking
5 Rotary switch
Fig. 31: Retrofitting an inductive limit contact
Mounting and start-up
1
2
4
3
5
8
7
6
7
6 Metal tag
7 Proximity switch
8 Clamping plate
9 Plastic cover
11 Connector
79