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During operation:
9. Keep this document available at the place of use.
10. Observe the safety information.
11. Operate the product in accordance with this document.
12. Operate the product in accordance with the specifications.
13. Maintain the product correctly.
14. Do not carry out any maintenance work and repairs not de-
scribed in this document without consulting the manufac-
turer first.
In cases of uncertainty:
15. Consult the nearest GEMÜ sales office.
3 Product description
3.1 Construction
3
4
5
Item
Name
1
Housing cover
2
Housing base
3
Electrical connection
4
Adapter piece
5
Mounting kit, valve spe-
cific
Seals
3.2 Description
The GEMÜ 1240 electrical position indicator is suitable for
mounting to pneumatically operated linear actuators. The po-
sition of the valve spindle is reliably detected electronically
and fed back via microswitches or proximity switches, using
play-free and non-positive mounting. The product has been
designed specially for valves with a stroke of 5 to 75 mm.
3.3 Function
The GEMÜ 1240 electrical position indicator is used to feed
back and verify the position of valves operated with pneu-
matic linear actuators. The spindle of the electrical position
indicator is connected to the valve spindle of the linear actu-
ator through play-free and non-positive mounting and is
moved along with the linear movement of the actuator. The
cam attached to the spindle then actuates the built-in mi-
www.gemu-group.com
1
2
Materials
PC
PPS
SS, PP
SS
SS, PP
NBR
croswitches or proximity switches, which are used for elec-
tronic signal transmission. Depending on the version, the elec-
trical position indicator is equipped with one to two mi-
croswitches or proximity switches.
3.4 Product label
Design in accordance with order data
Item number
The month of manufacture is encoded in the traceability num-
ber and can be obtained from GEMÜ. The product was manu-
factured in Germany.
The manufacturing month is coded under the traceability
number and can be requested from GEMÜ. The product was
manufactured in Germany.
4 GEMÜ CONEXO
Order variant
In the corresponding design with CONEXO, this product has
an RFID chip (1) for electronic identification purposes. The po-
sition of the RFID chip can be seen below. The CONEXO pen
helps read out information stored in the RFID chips. The CON-
EXO app or CONEXO portal is required to view this informa-
tion.
For further information please read the operating instructions
for CONEXO products or the CONEXO datasheet.
Products such as the CONEXO app, the CONEXO portal and
the CONEXO pen are not included in the scope of delivery and
need to be ordered separately.
5 / 18
4 GEMÜ CONEXO
Device-specific data
Year of manufacture
XXXXXXX | XXXX
Traceability number Serial number
1
GEMÜ 1240
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