Maintenance - Burkert SE30 Ex Manuel D'utilisation

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To access the intrinsic safety barrier switches, remove
the blue mask on the front side.
Potentially explosive
Safe area
area
Intrinsic safety
barrier
SE30 Ex
L -
+
2
3
-
1 2
B A ON
L+
1
The position of switches
Put the 2 switches "1" and "2" in the ON
"B" and "A" is indifferent.
position.
Fig. 7 : Connection between an SE30 Ex and a panel
version of the transmitter 8025 Universal
connection example with the SE30 Ex
and the intrinsic safety barrier, 24 VDc,
powered through the transmitter
Refer to the operating instructions of transmitter 8025
Universal for any other wiring instruction.
English
32

11. mAinTEnAncE

Safety instructions
danger
risk of injury due to electrical voltage.
• Shut down the electrical power source of all the conduc-
tors and isolate it before carrying out work on the system.
• Observe all applicable accident protection and safety
regulations for electrical equipment.
risk of injury due to high pressure in the installation.
• Stop the circulation of fluid, cut off the pressure and drain
the pipe before loosening the process connections.
risk of injury due to high fluid temperatures.
• Use safety gloves to handle the device.
• Stop the circulation of fluid and drain the pipe before
loosening the process connections.
• Keep all easily flammable material and fluid away from
the device.
danger
risk of injury due to the nature of the fluid.
• Respect the prevailing regulations on accident preven-
tion and safety relating to the use of aggressive fluids.
English
34
8025 Universal
+
PULSE
INPUT
-
NPN/PNP
LOAD
SUPPLY
24 VDC ± 10%
/ 230 VAC
Power supply
Position of 8025 Universal selectors:
• «SENSOR INPUT LOAD» = «1» (2.2 kΩ)
• «FLOW SENSOR» = «NPN/PNP»
• «SENSOR SUPPLY» = «3» (L+)
To access the intrinsic safety barrier switches, remove
the blue mask on the front side.
Potentially
Safe area
explosive area
Intrinsic safety
barrier
L-
+
2
3
-
B A
L+
1
SE30 Ex
The position of switches "B" and "A" is indifferent.
Fig. 8 : Connection between an SE30 Ex and a panel
version of the transmitter 8025 Universal.
Warning
risk of injury due to non-conforming maintenance.
• Maintenance must only be carried out by qualified and
skilled staff with the appropriate tools.
• Ensure that the restart of the installation is controlled
after any interventions.
cleaning
note
the device may be damaged by the cleaning liquid.
• Clean the device with a cloth slightly dampened with
water or a cleaning liquid compatible with the materials
the device is made of.
Power supply
24 V DC ± 10%
+ -
SOURCE
SINK
CURRENT
BINARY
Univ
Iout
L+
L-
PE
P-
P+
(AO1)
Supply
PULSE
Batch
NC
12..36Vdc
DO1
PE
PE
ISOG
DO4
SENSOR
DI4
+5V
DI3
L+
SENSOR TYPE
DI2
(L+)-12V
COIL
NPN/PNP
DI1
470
2.2K
39K
SUPPLY
-
+
DO2
NC
COIL
1
2
3
PE
FLOW
DO3
SENSOR
8025
+
Universal
-
-
1 2
+
ON
Put the 2 switches "1" and "2" in
the ON position.
English
English
PE
PE
33
33
35
35

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