SMC DBL4N00950-0R2-000-S40 Retrofit-Ready Pneumatic Manifold for DBL Series Control Systems
The SMC DBL4N00950-0R2-000-S40 is a multi-station pneumatic manifold engineered for seamless integration into DBL series pneumatic control systems. Designed as a direct retrofit replacement for aging or discontinued manifold assemblies, this unit supports smooth system upgrades without requiring full line redesigns. Whether you are modernizing a legacy production cell, recovering from a discontinued spare parts situation, or expanding I/O capacity on an existing pneumatic island, the DBL4N00950-0R2-000-S40 delivers verified compatibility and reliable performance.
Cross-reference part numbers for this unit include: 4060-00633, US17276, 102264, 4022.436.2449, 044895, and 4022.436.1069. Procurement teams and maintenance engineers can use any of these references to confirm fitment against existing BOM records or MRO databases.
Upgrade Compatibility Table
| Parameter | Details |
|---|---|
| SKU / Part Number | DBL4N00950-0R2-000-S40 |
| Brand / Manufacturer | SMC Corporation (Japan) |
| Series | DBL Series Pneumatic Manifold |
| Cross-Reference Numbers | 4060-00633 / US17276 / 102264 / 4022.436.2449 / 044895 / 4022.436.1069 |
| Station Configuration | Multi-station manifold block |
| Mounting Interface | DBL series base-mount compatible |
| Port Standard | SMC DBL series port pitch and thread standard |
| Communication Compatibility | Compatible with SMC SI unit fieldbus interfaces (EX series) |
| Replacement Suitability | Direct drop-in for discontinued DBL manifold assemblies |
| Commissioning Notes | Verify port numbering, solenoid valve orientation, and pilot supply pressure before energizing |
| Warranty | 12 Months from date of shipment |
Retrofit Planning for Existing Automation Systems
When integrating the DBL4N00950-0R2-000-S40 into an existing pneumatic control architecture, a structured retrofit plan is essential to protect uptime and preserve validated process parameters. Begin by auditing the existing manifold assembly: confirm the number of active stations, solenoid valve types currently installed (typically SMC VQ or SY series solenoid valves), and the pilot supply configuration — whether internally or externally piloted.
Next, verify the fieldbus or discrete wiring interface. Many DBL series manifold islands are connected to an SMC EX600 SI unit or an EX250 serial interface unit for EtherNet/IP, PROFIBUS, or DeviceNet communication. If the existing SI unit is also being replaced as part of the upgrade, confirm that the new SI unit’s node address and I/O mapping align with the PLC program before going live. In Siemens S7-300 or S7-1500 environments, this means updating the hardware configuration in TIA Portal and re-downloading the project to the CPU.
For systems using discrete 24VDC solenoid wiring rather than fieldbus, inspect the terminal block layout in the control cabinet. The DBL4N00950-0R2-000-S40 uses the standard DBL series wiring connector pitch; confirm that existing cable harnesses and DIN rail-mounted terminal blocks (such as Phoenix Contact or Weidmüller series) are compatible before disconnecting the old manifold. Label all solenoid outputs before removal to prevent miswiring during reinstallation.
If the system includes an SMC LECP6 electric actuator controller or an SMC JXC91 step data controller operating in parallel with the pneumatic island, ensure that the pneumatic manifold replacement does not affect the shared 24VDC power bus. Use a Meanwell SDR-120-24 or equivalent DIN rail power supply with sufficient current headroom to support both the manifold solenoids and the electric axis controllers simultaneously.
For systems with an SMC VFR series valve manifold or SY series manifold installed adjacent to the DBL island, confirm that shared supply and exhaust ports are not cross-connected during the swap. Pneumatic tubing should be labeled by function (supply, exhaust, cylinder port A, cylinder port B) before disassembly. Use SMC push-in fittings of the correct OD (typically 6mm or 8mm) to reconnect tubing after manifold installation.
Where an SMC PF2A series digital flow switch or ISE series pressure switch is installed on the supply line, recalibrate the setpoints after the manifold replacement to account for any change in internal volume or flow resistance. Document the new setpoints in the machine’s maintenance log.
Downtime Control During System Migration
Minimizing unplanned downtime during a pneumatic manifold replacement requires preparation before the maintenance window begins. The following protocol is recommended for DBL series manifold swaps:
Pre-shutdown preparation: Download and archive the current PLC program (including all data blocks and force tables) before beginning any hardware work. If the system uses an SMC EX600 or EX250 SI unit, export the current I/O configuration and node address settings. Photograph the existing solenoid valve layout, tubing connections, and terminal wiring before disconnection.
Controlled shutdown sequence: Exhaust all pneumatic pressure from the manifold supply line using the system’s lockout/tagout procedure. De-energize the 24VDC solenoid supply circuit at the control cabinet. Do not remove the manifold under pressure.
Swap and reconnect: Install the DBL4N00950-0R2-000-S40 in the same mounting position. Reconnect solenoid valve connectors in the documented order. Reconnect pneumatic tubing by port label. Reconnect the fieldbus or discrete wiring connector to the SI unit or terminal block.
Commissioning and verification: Restore 24VDC power and re-pressurize the supply line gradually. Use the PLC’s diagnostic or force function to individually actuate each solenoid output and verify correct cylinder movement. Check for air leaks at all push-in fittings. Confirm that the HMI displays correct valve status feedback before releasing the line to production.
With proper preparation, a DBL series manifold replacement can typically be completed within a 2–4 hour planned maintenance window, preserving the original control logic and minimizing impact on production schedules.
Retrofit Support FAQ
Q1: Is the DBL4N00950-0R2-000-S40 a direct replacement for my existing DBL series manifold?
A: Yes. The DBL4N00950-0R2-000-S40 is designed as a direct retrofit replacement for DBL series manifold assemblies with the same station count and port configuration. Cross-reference your existing part number against the listed alternates (4060-00633, US17276, 102264, 4022.436.2449, 044895, 4022.436.1069) to confirm fitment. If your existing manifold has a different station count or special port option, contact our technical team before ordering.
Q2: Will I need to modify my PLC program or HMI screens after replacing the manifold?
A: In most cases, no program changes are required if the replacement manifold uses the same I/O address mapping and fieldbus node configuration as the original. If the SI unit is also being replaced, re-download the hardware configuration to the PLC and verify all I/O tags before resuming production. HMI screens linked to solenoid status bits should function without modification provided the I/O addresses remain unchanged.
Q3: What pre-shipment testing is performed on this unit?
A: Each DBL4N00950-0R2-000-S40 unit undergoes functional verification prior to shipment, including solenoid actuation testing, port leak testing, and electrical continuity checks on all solenoid connectors. Units are shipped with a 12-month warranty covering manufacturing defects and functional failures under normal operating conditions.
Q4: What is the lead time and warranty coverage?
A: Units are available from stock for immediate shipment. Standard lead time is 3–7 business days for international orders. All units carry a 12-month warranty from the date of shipment. Warranty claims are supported by our technical team with replacement or repair at no additional cost for confirmed manufacturing defects.
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