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15 Electrical connection
15.4 Connection X4
2
1
3
4
4-pin M12 built-in socket, A-coded
Pin
Pin 1
UV, 24 V DC actual value supply
Pin 2
n.c.
Pin 3
GND (actual value supply, actual value input)
Pin 4
X+, process actual value input
Pin 5
n.c.
GEMÜ 649 eSyDrive
Signal name
15.5 Connecting the valve electrically
1. Protect the electrical connections from direct contact with
rain water.
2. Lay the cables and pipework so that neither condensate
nor rain water can get into the plug unions.
3. Check that all plug cable glands and fittings are mechanic-
ally secured.
ð The cable must be held firmly on all sides.
4. Check whether the actuator cover/manual override is
closed and undamaged.
5. Correctly close the actuator cover/manual override again
immediately after use (see chapter "Manual override" (see
"Manual override", page 38)).
6. Correctly close the product again after replacing the dia-
phragm (see chapter "Diaphragm replacement" (see
"Mounting the diaphragm", page 40)).
36 / 48
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