Description
🔧 Product Overview
The BOSCH REXROTH 818310017-5V2 is a specialized PL6 valve amplifier board module used in industrial hydraulic control equipment. The assembly is also associated with material number 0811405060 and related identification references including 818310017-8V2, 818300046, 183879, and 410 234-2.
This board is designed to provide electrical amplification and control for hydraulic valve applications. Available component records identify the unit as a 24 VDC amplifier board with a maximum power rating of approximately 37 VA and a listed weight of about 400 g. The referenced listing identifies the board as a used Bosch unit manufactured in Germany.
Because several identification numbers can appear on this PL6 assembly, the complete board marking should be checked before ordering or replacing the unit.

⚙️ Key Features
- Brand: Bosch Rexroth
- Model: 818310017-5V2
- Material Number: 0811405060
- Product Family: PL6
- Valve amplifier board/module
- PCB-based industrial hydraulic control electronics
- 24 VDC nominal supply
- Maximum power rating approximately 37 VA
- German-manufactured component reference
- Approximate listed weight: 400 g
- Designed for integration into dedicated hydraulic valve-control systems
- Suitable as a maintenance replacement for compatible legacy equipment
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | Bosch Rexroth |
| Model | 818310017-5V2 |
| Material Number | 0811405060 |
| Product Type | PL6 Valve Amplifier Board Module |
| Series / Family | PL6 |
| Related Reference | 818310017-8V2 |
| Additional Reference | 818300046 / 183879 / 410 234-2 |
| Nominal Supply | 24 VDC |
| Maximum Power | Approx. 37 VA |
| Construction | Printed Circuit Board / Amplifier Module |
| Condition | Used |
| Country of Origin | Germany |
| Weight | Approx. 400 g |
| Dimensions | Configuration-specific; verify against the original board |
The 24 VDC nominal supply, 37 VA maximum rating, German origin, and 400 g weight are reflected in available component records for this exact identification group.
🔌 Hydraulic Control System Integration
The PL6 valve amplifier serves as an intermediate electrical control stage between a machine controller and a hydraulic valve.
A typical control architecture can be represented as:
Machine Controller → Control Signal → PL6 Amplifier → Hydraulic Valve → Hydraulic Actuator → Machine
The amplifier allows the relatively low-level control signal from the machine’s automation system to be converted into the electrical drive required by the associated hydraulic valve.
When replacing the board, technicians should verify the entire control chain rather than evaluating the PCB independently.
Important checks include:
- Control-system supply voltage
- Command signal type
- Valve coil requirements
- Output-current requirements
- Enable or interlock signals
- Connector configuration
- Existing wiring
- Hydraulic valve model
- Machine controller configuration
🧩 PL6 Amplifier Board Function
The PL6 designation identifies the amplifier-board family rather than a general-purpose PLC platform.
Its primary role is associated with hydraulic valve control. In a complete hydraulic machine, the board can influence valve actuation and therefore directly affect:
- Hydraulic flow
- Pressure regulation
- Cylinder movement
- Motor or actuator response
- Positioning behavior
- Machine cycle timing
For this reason, incorrect substitution can have consequences beyond an electrical fault. An amplifier with a different electrical output characteristic may cause incorrect hydraulic behavior even if it physically fits the same cabinet or mounting location.
⚡ Electrical Considerations
The available identification for 818310017-5V2 / 0811405060 indicates a 24 VDC nominal supply and approximately 37 VA maximum power.
Before energizing a replacement board, verify:
Power Supply
Confirm that the machine’s actual control supply matches the board requirements and that the supply is stable under load.
Valve Compatibility
The connected valve must be compatible with the amplifier’s output characteristics. Do not connect an unknown valve coil simply because its connector appears physically compatible.
Wiring
Document the original wiring before removing the existing board. Pay particular attention to supply, command, enable, output, and common/reference connections.
Grounding
Check cabinet grounding and signal-reference connections to minimize electrical interference in analog hydraulic control circuits.
🏭 Typical Applications
The Bosch Rexroth PL6 amplifier family can be encountered in specialized industrial hydraulic equipment such as:
- Hydraulic machine tools
- Industrial presses
- Forming machinery
- Hydraulic positioning equipment
- Injection and molding machinery
- Industrial production lines
- Hydraulic power units
- Legacy automated machinery
- Specialized Bosch Rexroth hydraulic control cabinets
The exact machine application depends on the complete controller, valve, and hydraulic circuit configuration.
🛠️ Installation & Maintenance
Before replacing the 818310017-5V2:
- Shut down the machine according to the approved maintenance procedure.
- Isolate the electrical supply.
- Confirm that stored electrical energy has been discharged.
- Record the original board position and connector locations.
- Photograph or document the wiring before removal.
- Verify 818310017-5V2 / 0811405060 against the original board.
- Inspect the card edge, connectors, and mounting points.
- Check for oxidation, contamination, cracked solder joints, or physical damage.
- Install the replacement without forcing the PCB into its mounting position.
- Recheck every connection before energizing the machine.
- Perform a low-risk functional test before returning the hydraulic system to automatic operation.
Keep the original board identification and any machine-specific adjustment information with the spare-part record.
🔍 Troubleshooting
The amplifier does not operate
Check the 24 VDC supply, connector seating, board position, wiring, and associated controller output.
The hydraulic valve does not respond
Verify the command signal reaching the amplifier and inspect the valve-side wiring and coil.
Hydraulic response is abnormal
Check valve compatibility, amplifier configuration, command signal, and the hydraulic circuit. Do not assume that the amplifier itself is the only possible cause.
Board operates intermittently
Inspect connectors, terminal connections, PCB contacts, grounding, cabinet vibration, and the control power supply.
Replacement board fails immediately
Disconnect power and recheck the valve load, supply voltage, wiring polarity, and output circuit before installing another board. An incorrect external load can damage an amplifier replacement.
Several part numbers appear on the board
This is possible with legacy Bosch assemblies. Compare the principal board marking, material number, revision, connector arrangement, and machine documentation rather than relying on a single secondary number.
🔐 Replacement Compatibility
The 818310017-5V2 should be treated as a configuration-specific replacement part.
Available records associate this assembly with:
- 818310017-5V2
- 0811405060
- 818310017-8V2
- 818300046
- 183879
- 410 234-2
These references should be treated as identification/cross-reference information rather than proof that every number represents a universally interchangeable replacement.
Before purchasing a substitute, compare:
- Complete Bosch part number
- Version/revision
- PL6 designation
- Connector arrangement
- Supply requirements
- Valve type
- Output characteristics
- Machine controller
- Existing board layout
A visually similar Bosch amplifier should not automatically be considered interchangeable.
❓ FAQ
Q1: What is Bosch 818310017-5V2?
It is a Bosch Rexroth PL6 valve amplifier board module used in specialized hydraulic control equipment.
Q2: What is the related Bosch material number?
The assembly is associated with 0811405060.
Q3: What supply voltage does this board use?
Available component information identifies a nominal 24 VDC supply.
Q4: What is the maximum power rating?
The available listing data identifies a maximum rating of approximately 37 VA.
Q5: Is this a PLC module?
No. It is a specialized valve amplifier board intended for hydraulic control applications.
Q6: What is the approximate weight?
Available component information lists approximately 400 g.
Q7: Is the listed unit new or used?
The referenced listing identifies the unit as Used.
Q8: Can another PL6 amplifier replace this model?
Only after checking the complete part number, electrical characteristics, valve compatibility, connectors, and machine configuration.
📦 Recommended Related Bosch Rexroth Models & Components
- BOSCH REXROTH 0811405060 — PL6 Valve Amplifier Module
- BOSCH REXROTH 818310017-5V1 — PL6 Valve Amplifier Board
- BOSCH REXROTH 818310017-8V2 — Related PL6 Amplifier Assembly
- BOSCH REXROTH 818300046 — Related PL6 Control Component
- BOSCH REXROTH 410 234-2 — Related Amplifier Reference
- BOSCH REXROTH VT-VRPA Series — Proportional Valve Amplifier Family
- BOSCH REXROTH VT 3002 Series — Electronic Card Holder Family
- BOSCH REXROTH VT-HACD Series — Digital Hydraulic Control Electronics
- BOSCH REXROTH VT-SWKD Series — Digital Hydraulic Control Cards
- BOSCH REXROTH Hydraulic Valve Control Modules — Legacy Amplifier Components
📌 Spare-Part Recommendation
For legacy hydraulic machinery, keeping a correctly matched 818310017-5V2 / 0811405060 amplifier board available can shorten troubleshooting and replacement time when the original module fails.
When adding this component to a spare-parts inventory, record the complete board identification, revision, connected hydraulic valve, machine location, and original wiring configuration.
The BOSCH REXROTH 818310017-5V2 PL6 Valve Amplifier Board Module should be replaced on a like-for-like basis whenever possible, with electrical and hydraulic compatibility confirmed before commissioning.
