PN16
BURKERT 20111639 (Type 8652) is an 8-slot AirLINE pneumatic valve island configured for process automation inside control cabinets. Built with a stainless steel AirLINE Quick baseplate adapter, this variant mounts directly through the cabinet floor or wall cutout, placing external pneumatic push-in fittings outside the enclosure while maintaining IP65 and NEMA Type 4X protection in closed cabinets. Fieldbus integration is handled via Industrial Ethernet supporting PROFINET IO, EtherNet/IP, Modbus TCP, EtherCAT, and CC-Link IE Field Basic through two MDI/MDI-X RJ45 sockets. The unit is factory-assembled with three active valve slices: position 1 and position 2 host 5/2-way monostable pilot valves (Circuit Function H), position 3 hosts a double 3/2-way normally closed valve (Circuit Function C), and positions 4 through 8 are sealed with blanking plates for clean system expansion.
Process reliability features include integrated check valves installed in exhaust ducts 3 (R) and 5 (S) to eliminate unwanted valve actuation from exhaust backpressure spikes. The pneumatic supply rail incorporates integrated HotSwap check functionality on port 1 (P), allowing individual Type 6534 pilot valves to be replaced during live operations without venting system air pressure. An integrated LC display visualizes operating statuses, valve switching cycle counters, and diagnostic messages in plain text and symbols.
Technical Data and Factory Configuration
| Specification Group | Parameter | Factory Value (SKU 20111639) |
|---|---|---|
| Valve Island Setup | Total Valve Slots | 8 PCE |
| Valve Position 1 | 5/2-way monostable CF-H (Type 6534) | |
| Valve Position 2 | 5/2-way monostable CF-H (Type 6534) | |
| Valve Position 3 | 2x 3/2-way normally closed CF-C (Type 6534) | |
| Valve Positions 4 to 8 | Blind plates (replaceable with Type 6534 valves) | |
| Pneumatic Ports | Supply Port 1 (P) | Push-in connector D10 mm, Stainless steel |
| Working Ports 2 & 4 | Push-in connector D6 mm, Stainless steel | |
| Auxiliary Pilot Air | Internal feed (3 to 10 bar) | |
| Additional Supply | Left: push-in D6 and D10; Right/Middle: none | |
| Pressure Ratings | Operating Pressure | -1.00 bar to 10.00 bar (vacuum up to 10 bar) |
| Pilot Pressure Range | 3.00 bar to 10.00 bar | |
| Flow Rate | Nominal Flow $Q_{\text{Nn}}$ Air | 310 l/min (standard); reduced by ~3% with HotSwap |
| Electrical Data | Operating Voltage | 24 V DC (±10%, residual ripple 1 Vss) |
| Nominal Valve Power | 0.7 W nominal (0.175 W after holding power drop) | |
| Nominal Valve Current | 29 mA nominal (10 mA after holding power drop) | |
| Digital Inputs | 0 (Electronic DI module not fitted on this SKU) | |
| Electrical Safety Class | Class III according to DIN EN 61140, VDE 0140 | |
| Communications | Fieldbus Module | ME43 Industrial Ethernet integrated |
| Supported Protocols | PROFINET IO, EtherNet/IP, Modbus TCP, EtherCAT, CC-Link IE Field Basic | |
| Hardware Ports | 2x RJ45 (switched X1 and X2) | |
| Environmental Limits | Medium / Ambient Temp | -10 °C to +55 °C |
| Storage Temperature | -20 °C to +60 °C | |
| Operating Medium | Lubricated or non-lubricated compressed air, Class 7.4.4 (ISO 8573-1:2010) | |
| Enclosure Rating | Ingress Protection | IP20 standalone; IP65 with AirLINE Quick in closed cabinet |
| Enclosure Type | Type 4X (NEMA 250) in closed stainless steel cabinet assembly |
AirLINE Quick Stainless Steel Adapter Interface
AirLINE Quick allows direct flange mounting into the floor or wall of a control cabinet, eliminating individual bulkheads, terminal strip plumbing, and extra internal cabinet tubing. The adapter plate of SKU 20111639 is machined from 1.4301 stainless steel, fitted with 1.4401 stainless steel pneumatic push-in fittings.
| Feature | AirLINE Quick Specification |
|---|---|
| Adapter Plate Material | Stainless steel 1.4301 |
| Pneumatic Push-in Fittings | Stainless steel 1.4401 |
| Supply / Exhaust Ports | Push-in D10 mm (3/8") |
| Working Ports | Push-in D6 mm (1/4") |
| Supported Station Capacities | 8, 16, 24, 32, 40, and 48 valve functions |
| Mounting Location | Control cabinet floor or control cabinet side wall |
Dimensional Specifications
Dimensions are given in millimeters. Mounting pitch and fastening coordinates for 4-, 8-, and 12-slot baseplate configurations follow standard spacing:
| Variant | A (mm) | B (mm) | Fastening Screws C | m | n |
|---|---|---|---|---|---|
| 4-fold | 66 | — | 4 x M5 | 3 | 1 |
| 8-fold (SKU 20111639) | 35 | 111 | 8 x M5 | 7 | 2 |
| 12-fold | 77 | 154 | 10 x M5 | 11 | 3 |
Each valve slice features a standard 11 mm width, maintaining a compact footprint regardless of pilot valve selection.
Electrical and Fieldbus Connections
The 8652 terminal separates logic and communication electronics from the pneumatic valve coil power supply through independent push-in spring-loaded terminals.
| Terminal Type | Pin / Contact | Color Code | Signal Assignment |
|---|---|---|---|
| 5-Pin Spring Terminal (Logic/Display) | Pin 1 | Red | +24 V DC (Logic power) |
| Pin 2 | White | CAN_H (internal büS connection) | |
| Pin 3 | Green | Shielding | |
| Pin 4 | Blue | CAN_L (internal büS connection) | |
| Pin 5 | Black | GND (0 V DC) | |
| 2-Pin Spring Terminal (Valve Coils) | Clip 1 | Red | AUX +24 V DC (Coil power supply) |
| Clip 2 | Black | GND (0 V DC) |
Isolated Power Supplies
The pneumatic valve coils and communication logic modules must be powered from separated circuits. Cable cross-sections up to 1.5 mm² are supported by the spring-loaded terminal blocks.
Industrial Ethernet interfaces X1 and X2 provide 100BASE-TX communication with integrated dual-port switching capability for line topologies:
| Pin | RJ45 Signal Assignment |
|---|---|
| 1 | TX+ (Transmit Data +) |
| 2 | TX- (Transmit Data -) |
| 3 | RX+ (Receive Data +) |
| 4 | Not connected (N.C.) |
| 5 | Not connected (N.C.) |
| 6 | RX- (Receive Data -) |
| 7 | Not connected (N.C.) |
| 8 | Not connected (N.C.) |
Control Cabinet Installation and HotSwap Clearance
To ensure proper tool clearance and manual access when replacing valve slices under live pressure, maintain minimum spatial clearances to the cabinet door and walls.
Installation Clearance for HotSwap
Maintain adequate clear space between the front edge of the 8652 valve terminal and the control cabinet door. Obstructing the front clearance impedes valve extraction and prevents replacement of modules without disrupting neighboring operational stations.
Product Assembly and Sub-unit Structure
SKU 20111639 uses the standard 24 V interface plate configuration without modular safety-related shut-off (SIA). The main assembly comprises the base pneumatic manifold, electronic backplane bus, fieldbus communication head, and 11 mm valve stations.
Network Integration and EDIP Architecture
The integrated Industrial Ethernet head enables the valve island to operate as an automation master or node, connecting downstream büS/CANopen valve islands or sensor modules.
Commissioning, parameter configuration, cycle counting, and diagnostic polling are carried out via the Bürkert Communicator software (Type 8920) across büS or Ethernet interfaces.
Pilot Valves and Spare Components
Individual valve positions can be serviced or reconfigured using Type 6534 pilot valves (11 mm station width, 4 mm nominal orifice, 24 V DC):
| Function Code | Description | $Q_{\text{Nn}}$ Air | Pressure Range | Opening Time | Closing Time | Voltage | Spare Part Ident |
|---|---|---|---|---|---|---|---|
| CF H | 5/2-way monostable, servo-assisted | 290 l/min | Vac. to 10 bar | 20 ms | 25 ms | 24 V DC | 301376 (Ref 296033) |
| CF C | 2x 3/2-way NC, servo-assisted | 270 l/min | Vac. to 10 bar | 15 ms | 15 ms | 24 V DC | 301374 (Ref 296031) |
| CF C | Single 3/2-way NC, servo-assisted | 270 l/min | Vac. to 10 bar | 15 ms | 15 ms | 24 V DC | 20102334 (Ref 20088974) |
| CF D | 2x 3/2-way NO, servo-assisted | 310 l/min | Vac. to 10 bar | 15 ms | 15 ms | 24 V DC | 301375 (Ref 296032) |
| CF Z | 5/2-way bistable (impulse, 2 coils) | 290 l/min | Vac. to 10 bar | 20 ms | 25 ms | 24 V DC | 301377 (Ref 296034) |
| CF L | 5/3-way mid-position closed | 275 l/min | Vac. to 10 bar | 15 ms | 15 ms | 24 V DC | 301380 (Ref 296036) |
| CF M | 5/3-way mid-position pressurized | 300 l/min | Vac. to 10 bar | 20 ms | 20 ms | 24 V DC | 301379 (Ref 296035) |
| CF N | 5/3-way mid-position exhausted | 300 l/min | Vac. to 10 bar | 20 ms | 20 ms | 24 V DC | 301381 (Ref 296039) |
| Blind Plate | Slot blanking plate with seal and screws | — | — | — | — | — | 335779 (Ref 327614) |
AirLINE Quick 8-Slot Accessories
| Accessory Description | Configuration | Qty | Article Number |
|---|---|---|---|
| Mounting Screw Set M5 x 10 A2 DIN 6912 | Cabinet base fastening | 10 pcs | 308661 |
| Height Adapter | 8-fold base, without intermediate feed | 1 pc | 754960 |
| Retaining Plate (Cabinet exterior) | 8-fold base, without intermediate feed | 1 pc | 60005566 |
| External Blind Cover Plate | 8-fold base, without intermediate feed | 1 pc | 754965 |
| 5-Pin Spring Terminal Plug | Communication and display power | 1 pc | 920180 |
| 2-Pin Spring Terminal Plug | Valve auxiliary coil power | 1 pc | 920442 |
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