Maintenance safety instructions, Cleaning, Current source sink – Burkert Type SE30EX User Manual
Page 9: Suppl y nc coil pulse input npn/pnp 2 13 pe, 21 3 pe, L+ l

32
→
To access the intrinsic safety barrier switches, remove
the blue mask on the front side.
SE30 Ex
8025 Universal
+
-
L+
L-
+
-
24 VDC ± 10%
/ 230 VAC
B A ON
1 2
1
2
3
CURRENT
SOURCE
SINK
BINA
RY
PE
PE
PE
PE
DI1
DI2
DI3
DI4
DO4
ISOG
FLOW
SENSOR
L+
L-
PE
P-
P+
NC
Iout
PULSE
DO1
Supply
12..36Vdc
Univ
Batch
(AO1)
SUPPL
Y
NC
COIL
PULSE
INPUT
NPN/PNP
2
13
PE
+
-
SENSOR
SUPPLY
LOAD
+5V
L+
(L+)-12V
COIL/PNP
39K
470
2.2K
SENSOR
TYPE
COI
LN
PN/PNP
DO2
DO3
OFF
ON
Intrinsic safety
barrier
Potentially explosive
area
Safe area
Power supply
Put the 2 switches "1" and "2" in the ON
position.
The position of switches
"B" and "A" is indifferent.
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
33
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.
SE30 Ex
8025
Universal
+
-
L+
L-
+
-
24 V DC ± 10%
B A
ON
1 2
1
2
3
+ -
+
-
CURRENT
SOURCE
SINK
BINARY
PE
PE
PE
PE
DI1
DI2
DI3
DI4
DO4
ISOG
FLOW
SENSOR
L+
L-
PE P- P+
NC
Iout
PULSE
DO1
Supply
12..36Vdc
Univ
Batch
(AO1)
SUPPLY
NC
COIL
PULSE INPUT
NPN/PNP
2
1
3
PE
+
-
SENSOR
SUPPL
Y
LOAD
+5V
L+
(L+)-12V
COIL/PNP
39K
470
2.2K
SENSOR TYPE
COIL
NPN/PNP
DO2
DO3
OF
FO
N
Potentially
explosive area
Safe area
Intrinsic safety
barrier
Power supply
The position of switches "B" and "A" is indifferent.
Put the 2 switches "1" and "2" in
the ON position.
Fig. 8 : Connection between an SE30 Ex and a panel
version of the transmitter 8025 Universal.
English
33
34
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.
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35
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.
English
35