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11 Disposal
Improper disposal will lead to pollution of the environment. Furthermore, the
materials can no longer be recycled.
Dispose of the product, the packaging and any escaping operating materials
u
in accordance with the applicable national regulations.
12 Troubleshooting
12.1 Procedure
Step 1: Check the system
In case of malfunctions, first check the system or the system part where the
u
product is installed. Check the following items:
• All connections
• Settings. See
g 13. Technical
Step 2: Check the product
1. Make sure the system or system part is not under pressure or voltage.
2. Check the product based on the fault patterns described below.
3. Perform troubleshooting using the information under "Remedy".
If the malfunction cannot be eliminated as described under "Remedy": Disas-
semble the product and return it. See
4. After the malfunction has been eliminated; Put the system or product back
into operation.
12.2 Malfunctions
No output pressure
Possible cause
Remedy
No power supply.
• Connect power supply.
• Check power supply polarization.
• Switch on system part.
No set point specified.
• Specify set point.
No supply pressure available.
• Connect supply pressure (connection 1).
Output pressure too low
Possible cause
Remedy
Supply pressure too low.
Increase supply pressure.
Output pressure lower than set point
Possible cause
Remedy
Consumers that use a lot of air
Use a product with a larger nominal width.
cause a major pressure drop in
the product.
Pressure regulator does not exhaust
Possible cause
Remedy
Exhaust is closed.
Check exhaust (connection 3).
Air is audibly escaping
Possible cause
Remedy
Seal at the input connection,
Check the seal and exchange if necessary.
output connection or exhaust
air connection is missing or
damaged.
Pressure regulator is not leak-
Exchange the pressure regulator.
tight.
13 Technical data
This section contains an excerpt of the most important technical data. Further
technical data can be found on the product page in the Emerson store.
General
Specifications
Dimensions and weight
See the product page in the Emerson store
Housing material
Aluminum and brass
AVENTICS™ Sentronic 623 | IM502079-013 | English
data.
g 4.3 Returning the
product.
Specifications
Material of internal parts
Stainless steel and brass
Material of seals
FKM
Ambient temperature
0 ... 60 °C
Performance data
Specifications
Ø nominal width DN [mm] 6
1)
Flow
K
value
0.06
V
3
[Nm
/h]
C
value
0.69
V
At 6 bar
700
[std.l/min]
Insulation class
F
1)
Test conditions in accordance with ISO 8778: Temperature: 20 °C, relative input pressure:
6.3 bar, relative output pressure: 5.3 bar
Assembly
Specifications
Mounting type
Screw mounting
Mounting orientation
Any, preferably vertical with solenoid upwards
Connections
No hemp, no teflon strip
Electrics
Specifications
Degree of protection
IP65
Control
Directly controlled valve
Supply voltage
24 V DC = ±10 %
Power consumption
Max. 43 W
Current consumption
Max. 1800 mA
Standards and directives complied with
See declaration of conformity.
Pneumatics
Specifications
Medium
• Air, oxygen or neutral gas
• Non-condensing
• Oiled or oil-free
• ISO 8573-1:2010 [7:4:4]
Connections
3/8 – 1/2 - G/NPT
Max. input pressure
35 bar
11 bar with oxygen
Max. adjustment range
30 bar
10 bar with oxygen
Medium temperature
0 ... 60 °C
Hysteresis
2 % of the final value
Linearity
±1 % of the final value
Reproducibility
±1 % of the final value
Set point - analog
0 ... 20 mA / 4 ... 20 mA (input resistance 250 Ω), 0 ... 10 V (in-
put resistance 100 Ω)
Actual value output - ana-
0 ... 20 mA / 4 ... 20 mA (load resistor 0 ... 500 Ω)
log
14 Accessories
Information on accessories can be found on the product page in the Emerson
store.
14.1 Accessories for Europe/Asia
Description
M12 electrical connector, straight, 5-pin, with screw terminals
M12 electrical connector, angled, 5-pin, with screw terminals
Power supply cable 2 m, 5 x 0.25 mm², straight electrical connector
Power supply cable 2 m, 5 x 0.25 mm², angled electrical connector
Power supply cable 5 m, 6 x 0.56 mm², straight electrical connector
10
1.45
1.68
1600
Item no.
881 00 256
881 00 725
881 00 726
881 00 727
881 00 728
24
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