SIEMENS 6SE7090-0XX84-0FF5 — CBP2 PROFIBUS DP Communication Board | SIMOVERT MASTERDRIVES
Engineering Background: The SIMOVERT MASTERDRIVES platform (6SE70 series) is Siemens’ flagship medium-voltage and low-voltage AC drive system, deployed across critical process industries for variable-speed motor control. Within this architecture, the Communication Board PROFIBUS 2 (CBP2) serves as the fieldbus gateway between the drive’s internal control electronics and the plant-level PROFIBUS DP network — enabling real-time parameter access, setpoint transmission, and diagnostic feedback without analog wiring overhead. In distributed control architectures (DCS/SCADA), the CBP2 is the component that makes the drive a first-class network citizen.
Product Positioning: The 6SE7090-0XX84-0FF5 (CBP2) supersedes the original CBP (Communication Board PROFIBUS) with extended baud rate support up to 12 Mbit/s, improved GSD file compatibility, and enhanced diagnostic telegram support (PROFIdrive profile). It is the correct choice when the control system requires cyclic process data exchange (PPO types 1–5) and acyclic parameter access (DPV1 services). It is not a replacement for the CBC (CAN) or CBD (DeviceNet) boards — protocol selection must match the fieldbus standard of the host PLC/DCS.
Complete Technical Specifications
Electrical
- Supply Voltage: Derived from drive’s internal electronics bus (no external supply required)
- Fieldbus Protocol: PROFIBUS DP (EN 50170 / IEC 61158)
- Supported Baud Rates: 9.6 kbit/s — 12 Mbit/s (auto-detection)
- Process Data Objects: PPO Type 1, 2, 3, 4, 5 (PROFIdrive profile)
- Acyclic Services: DPV1 Class 1 & Class 2 (parameter read/write)
- Node Address: Settable via DIP switch (1–125)
- Isolation: Galvanic isolation between PROFIBUS interface and drive electronics
Mechanical
- Form Factor: Plug-in option board for SIMOVERT MASTERDRIVES slot
- Connector: 9-pin Sub-D female (PROFIBUS standard)
- Weight: Approx. 240 g (board + bracket assembly)
- Mounting: Tool-free insertion into drive option slot
Environmental
- Operating Temperature: 0 °C to +55 °C
- Storage Temperature: −25 °C to +70 °C
- Relative Humidity: 5–95% RH (non-condensing)
- Vibration Resistance: Per IEC 60068-2-6
- Protection Class: IP00 (installed inside drive enclosure)
Certifications
- CE Marking: EMC Directive 2014/30/EU, Low Voltage Directive 2014/35/EU
- UL Listed: UL 508C (Power Conversion Equipment)
- PROFIBUS Certified: Certified by PROFIBUS & PROFINET International (PI)
- RoHS Compliant: Directive 2011/65/EU
Specification data sourced from Siemens SIMOVERT MASTERDRIVES Operating Instructions (Order No. 6SE7087-6AK85-1AA0) and PROFIBUS International certification database. Verify against current Siemens documentation for safety-critical applications.
Proven Application Environments
- Petrochemical Refining: Crude distillation column pump drives | Variable-speed booster pumps under DCS (Emerson DeltaV / Honeywell Experion) control | Continuous 24/7 operation with cyclic setpoint updates at 1.5 Mbit/s PROFIBUS DP
- Electric Power Generation: Coal/gas-fired plant induced draft (ID) and forced draft (FD) fan drives | Speed reference from ABB 800xA DCS via PROFIBUS DP | Fault diagnostic telegrams logged to plant historian for predictive maintenance
- Municipal Water Treatment: Variable-speed submersible pump stations | SCADA (Wonderware/iFIX) polling drive status and energy counters via DPV1 acyclic reads | Eliminates analog 4–20 mA feedback wiring across multi-pump arrays
- Cement Manufacturing: Kiln drive and raw mill fan speed control | Siemens S7-400 PLC master with CBP2-equipped drives as DP slaves | High-dust environment with drives in IP54 cabinets, CBP2 protected internally
- Steel & Metals Processing: Rolling mill auxiliary drives (coiler, pinch roll) | Time-critical speed synchronization via PROFIBUS DP at 12 Mbit/s | DPV1 used for online parameter adjustment without drive shutdown
- Pharmaceutical & Chemical Batch Processing: Reactor agitator and transfer pump drives | FDA-regulated facilities requiring full audit trail of drive parameter changes via DPV1 acyclic write logging | Integration with Siemens PCS 7 DCS
Engineering Advantages
- For high-speed process control loops, this communication board supports baud rates up to 12 Mbit/s, because the CBP2 hardware implements full PROFIBUS DP physical layer compliance with auto-baud detection — no manual rate configuration required during commissioning.
- For DCS-integrated plants requiring parameter transparency, this communication board enables DPV1 acyclic read/write of all drive parameters, because the CBP2 implements both Class 1 and Class 2 DPV1 master services — allowing online tuning without interrupting cyclic process data exchange.
- For multi-drive PROFIBUS segments, this communication board supports node addresses 1–125 via onboard DIP switches, because address assignment is hardware-defined and survives firmware updates or drive replacement without reconfiguration of the network master.
- For retrofit projects replacing older CBP boards, this communication board maintains backward GSD file compatibility, because the CBP2 GSD file (SI029700.GSD) supports all PPO types defined in the original CBP specification — minimizing PLC program changes during upgrade.
- For safety-critical applications requiring electrical isolation, this communication board provides galvanic isolation between the PROFIBUS bus and drive electronics, because the CBP2 uses optocoupler-based isolation on the DP interface — preventing ground loop interference in long cable runs across plant areas.
- For predictive maintenance programs, this communication board transmits standardized PROFIdrive diagnostic telegrams, because the CBP2 maps drive fault codes and warning bits to PROFIBUS diagnostic data — enabling DCS historians to capture drive health data without additional instrumentation.
System Architecture & Signal Flow
Signal Flow: PROFIBUS DP Master (PLC/DCS) → PROFIBUS cable (shielded twisted pair, max. 1200 m at 187.5 kbit/s) → CBP2 Sub-D connector → Galvanic isolation stage → Drive internal serial interface (SST) → SIMOVERT MASTERDRIVES control board (CU/CB) → Power electronics → Motor. Feedback path: Motor encoder/tachometer → Drive control board → CBP2 → PROFIBUS DP → Master.
Compatible Drive Units (CBP2 slot-compatible):
- SIMOVERT MASTERDRIVES MC (Motion Control): 6SE70xx-xxxx-xxxx — CBP2 installs in option slot A or B
- SIMOVERT MASTERDRIVES VC (Vector Control): 6SE70xx-xxxx-xxxx — same slot mechanical interface
- SIMOVERT MASTERDRIVES FC (Flux Current Control): Compatible with firmware ≥ V3.x
Substitution Conditions: The CBP2 (6SE7090-0XX84-0FF5) directly replaces the CBP (6SE7090-0XX84-0AB0) in all SIMOVERT MASTERDRIVES units. Substitution requires GSD file update in the PROFIBUS master configuration tool (STEP 7 HW Config or TIA Portal). No hardware modification to the drive is required. The CBP2 is not interchangeable with the SLB (SIMOLINK Board) or SCB (Serial Communication Board) — these use different physical interfaces and protocols.
Sourcing & Quality Verification
Stock offered through Konmask.com consists of genuine Siemens-manufactured CBP2 boards sourced from authorized distribution channels and decommissioned industrial equipment with documented service history. Each unit undergoes the following verification process before dispatch:
- Visual Inspection: PCB examined for physical damage, corrosion, burnt components, and counterfeit indicators (hologram label, Siemens part number laser etching, Sub-D connector pin condition).
- Firmware Version Check: Board powered via compatible drive unit; firmware version read via PROFIBUS diagnostic telegram and compared against Siemens firmware release matrix.
- PROFIBUS Communication Test: CBP2 installed in test drive, DP slave address configured, cyclic data exchange verified with PROFIBUS master at 1.5 Mbit/s and 12 Mbit/s; PPO Type 3 process data confirmed.
- DPV1 Acyclic Test: Parameter read (P053 access level) and write verified via Class 1 DPV1 service; response time logged and compared against specification.
Documentation available upon request: Siemens original datasheet, test report with serial number, firmware version certificate, PROFIBUS GSD file (SI029700.GSD), and CE declaration of conformity.
Procurement Process
- Submit Inquiry: Email [email protected] with quantity, required delivery date, and destination country. Include drive unit model (6SE70xx) if compatibility confirmation is needed. Alternatively, call +0086 19859288691 during business hours (UTC+8).
- Receive Quote & Stock Confirmation: A response with pricing, available quantity, lead time, and shipping options will be provided within 24 hours on business days. Urgent requirements are flagged for same-day response.
- Order & Dispatch: Payment confirmed → unit re-inspected → packed in anti-static ESD bag with foam cushioning → shipped with tracking. Export documentation (commercial invoice, packing list, COO) included for international orders.
Technical Support: Pre-sale support covers compatibility confirmation, GSD file provision, and commissioning parameter guidance. Post-sale support covers installation verification and PROFIBUS network troubleshooting via email or video call.
Technical FAQ
Q: Is the CBP2 (6SE7090-0XX84-0FF5) compatible with a Siemens S7-300 PLC acting as PROFIBUS DP master?
A: Yes. The CBP2 operates as a standard PROFIBUS DP slave and is compatible with any DP master that supports the GSD file standard (EN 50170). The S7-300 CP 342-5 or integrated DP port on CPU 315-2 DP can communicate with the CBP2 using the SI029700.GSD file imported into STEP 7 HW Config. PPO type selection must match the PLC function block configuration (e.g., SFB 52/53 for standard drives).
Q: Can the CBP2 replace the original CBP (6SE7090-0XX84-0AB0) without modifying the drive hardware?
A: Yes, the CBP2 is a direct plug-in replacement for the CBP in all SIMOVERT MASTERDRIVES units. The mechanical interface (option slot connector) is identical. The only required change is updating the GSD file in the PROFIBUS master configuration — the CBP2 GSD file (SI029700.GSD) replaces the CBP GSD file. Drive parameters and motor data are retained on the drive’s control board and are unaffected by the board swap.
Q: Does the CBP2 carry PROFIBUS certification, and is it suitable for use in SIL-rated safety applications?
A: The CBP2 is certified by PROFIBUS & PROFINET International (PI) for standard PROFIBUS DP communication. It is CE marked per EMC and Low Voltage Directives. However, the CBP2 does not implement PROFIsafe protocol and is therefore not suitable as the safety communication interface in SIL 2/3 applications. For safety-critical speed control with functional safety requirements, the SIMOVERT MASTERDRIVES Safety Integrated option (with dedicated safe fieldbus interface) must be used. The CBP2 can coexist in the same PROFIBUS segment as PROFIsafe devices but handles only standard process data.
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