Burkert Type 8653 AirLINE Field valve island has been especially developed for applications in process automation. New diagnostic functions can be visualised at the LC display, both in clear text and as symbols. This facilitates assignment of the displayed messages and helps to save time during start-up and maintenance. Furthermore, the diagnostic message is also available in the controller, enabling a fast overview of the plant status. The hardware design has been optimised for installation close to the actuator. An intelligent installation system allows the valve island to be installed in a wide variety of positions, including straightforward installation on a standard DIN rail. Key pneumatic functions ensure increased process reliability; for instance, non-return valves in the exhaust air ducts prevent unplanned actuation due to pressure peaks.

Key Features

• Fieldbus interface CANopen, IO-Link or büS (Bürkert system bus)
• Easy diagnostics via LC display
• Process reliability through pneumatic functions
• Optimised for installation in the field (IP65/67)

General Technical Data

Property	Value
Body Material	PPA
Seal Material	NBR and PUR
Maximum installation width	48.6 mm
Width per station	11 mm
Manual override	Latching, spring return (optional: lockable)
Number of valve slots	Max. 4
Maximum number of valve functions	Max. 8
Pressure range	Vac...8 bar
External supply air	3...8 bar
Flow rate QNn value air	310 l/min (measured at +20 °C, 6 bar pressure at valve inlet and 1 bar differential pressure)
Nominal operating mode	Continuous operation (100 % duty cycle)
Operating voltage	24 V DC (±10% tolerance)
Nominal power of each valve	0.7 W (0.1 W after power reduction)
Nominal current of each valve	29 mA (10 mA after power reduction)
Protection class	III according to DIN EN 61140, VDE 0140
Degree of protection	IP65, IP67
Operating medium	Oil-free or lubricated compressed dry air, neutral gases (5 μm filter recommended)
Ambient temperature	-10 °C...+55 °C

Circuit Functions

Circuit Function	Description
C (CF C)	2 × 3/2-way solenoid valve, Servo-controlled, with manual override, Normally closed
D (CF D)	2 × 3/2-way solenoid valve, Servo-controlled, with manual override, Normally open
H (CF H)	5/2-way solenoid valve, Servo-controlled, with manual override. Pressure applied via port (1), therefore one of the two ports (2) or (4) is under pressure.
L (CF L)	5/3-way solenoid valve, With manual override, In middle position all ports locked
M (CF M)	5/3-way solenoid valve, With manual override, In middle position ports 2 and 4 ventilated
N (CF N)	5/3-way solenoid valve, With manual override, In middle position ports 2 and 4 exhausted
Z (CF Z)	5/2-way solenoid valve, Impulse variant with 2 coils and manual override. Pressure applied via port (1), therefore one of the two ports (2) or (4) is under pressure.

Product Connections

IO-Link Variant

Assignment of circular plug M12, 5-pin, A-coded, IO-Link variant, Port Class B:

Pin	Assignment
1	L+ (24 V processor)
2	P24 (24 V valve unit)
3	L- (0 V GND processor)
4	C/Q (IO-Link)
5	N24 (0 V GND valve unit)

Assembly Instructions

The housing with IP65/67 protection eliminates the need for further protective housing such as a control cabinet.

WARNING

Malfunctioning caused by electrostatic discharge. Electrostatic discharge at the device may cause malfunctioning.

• Assembly on wall: Depending on the installation situation, use a short cable with a large cross-section to connect the device to the functional earth.
• Assembly on standard rail: Depending on the installation situation, use a short cable with a large cross-section to connect the standard rail to the functional earth.

Assembly on wall using the bracket

1. Push back the lever for unlocking the device and at the same time pull the device upwards out of the bracket.
2. Securely attach the bracket using 4 suitable screws (e.g. M5 screws) to a suitable substrate (max. tightening torque 1.5 Nm for M5 screws).
3. Slide the guide bars on the field module from the top to the bottom into the guide slot of the bracket until the locking mechanism engages audibly.

Assembly on standard rail

1. Push back the lever for unlocking the device and at the same time pull the device upwards out of the bracket.
2. Using a slotted-head screwdriver, carefully turn the fastening screws on the bracket all the way anticlockwise.
3. Position the bracket on the standard rail by tilting it upward slightly and then push it into position on the standard rail.
4. Using a slotted-head screwdriver, carefully turn the fastening screws on the bracket all the way clockwise. The bracket is now secured to the standard rail by the clamping pieces.
5. Slide the guide bars on the field module from the top to the bottom into the guide slot of the bracket until the locking mechanism engages audibly.

Ordering Chart (IO-Link Variant)

All articles in the following table are equipped with integrated check valves.

Circuit Function	QNn value air [l/min]	Switching time Opening [ms]	Switching time Closing [ms]	Article no. (D6/D8)	Article no. (D1/4" / 5/16")
C (CF C)	270	15	15	357762	373702
D (CF D)	310	15	15	20002355	on request
H (CF H)	270	20	25	370110	373703
L (CF L)	290	20	25	382177	on request
Z (CF Z)	290	20	25	371372	on request