Vibro-Meter VM600 Modules | VM600 RLC16 200-570-000-211 Relay Card

Technical Dossier

Product Details And Specifications

Vibro-Meter VM600 Series: Comprehensive Module Range and Technical Overview

The Vibro-Meter VM600 is a modular, rack-based condition monitoring and machinery protection system manufactured by Meggitt SA (formerly Vibro-Meter SA), headquartered in Fribourg, Switzerland. It is deployed globally in critical rotating machinery applications including gas turbines, steam turbines, compressors, pumps, and generators across petrochemical plants, nuclear power stations, offshore platforms, and oil refineries. The VM600 platform conforms to API 670 (5th Edition) machinery protection standards and supports both online continuous monitoring and trip/alarm relay logic. Its distributed architecture — built around a passive backplane with hot-swap capable modules — makes it a preferred solution for facilities requiring zero-downtime maintenance windows. Installed base spans major EPC contractors and end-users including Shell, ExxonMobil, TotalEnergies, and CNOOC.

The Evolution of VM600 Architecture

The VM600 system was introduced in the late 1990s as a successor to the earlier Vibro-Meter VM500 and VM200 series, transitioning from analog-only signal conditioning to a hybrid digital/analog architecture with fieldbus communication capability. The core rack (RPS600 or RPS601) accommodates up to 12 I/O and processing modules on a passive VMEbus-derived backplane, eliminating active backplane failure modes. Early VM600 configurations relied on RS-232 and proprietary serial links for host communication; subsequent hardware revisions introduced Modbus RTU, Profibus-DP, and OPC-DA/UA gateway support via dedicated communication modules (MPC4, IOC4T). The system's signal processing chain — from transducer input through the AMC8 or XMC16 measurement cards to the RLC16 relay output stage — has remained architecturally stable across generations, ensuring backward compatibility of relay and I/O modules across rack revisions. As of 2024, the VM600 platform is classified as mature/sustaining by Meggitt; new greenfield projects are directed toward the Meggitt Sensing Systems Cirus platform, but VM600 spare parts and repair services remain commercially supported through authorized distributors and independent MRO suppliers.

VM600 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced modules within the VM600 platform. Each entry reflects the module's primary functional role within the system architecture.

Relay & Output Modules

• VM600 RLC16 200-570-000-211: 16-channel relay output card; configures trip and alarm relay logic for machinery protection circuits; DIN rail or rack-mount compatible within VM600 chassis.
• VM600 RLC16 200-570-000-111: Variant of RLC16 with alternate relay configuration mapping; used in dual-channel voting logic architectures.
• VM600 RPS600 200-510-000-111: Rack power supply module; provides regulated DC power to VM600 backplane; redundant supply capable when paired with second RPS600.
• VM600 RPS601 200-511-000-111: Enhanced rack power supply with extended input voltage range; replaces RPS600 in high-fluctuation grid environments.

Measurement & Signal Conditioning Modules

• VM600 AMC8 200-430-000-111: 8-channel analog measurement card; processes velocity, acceleration, and displacement signals from eddy-current and seismic transducers.
• VM600 AMC8 200-430-000-211: AMC8 variant with extended frequency response; suited for high-speed machinery above 10,000 RPM.
• VM600 XMC16 200-440-000-111: 16-channel expanded measurement card; supports simultaneous multi-parameter monitoring per channel slot.
• VM600 XMC16 200-440-000-211: XMC16 with enhanced DSP firmware for order-tracking and spectral analysis functions.
• VM600 MPC4 200-450-000-111: 4-channel machinery protection card; integrates trip logic, relay drive, and 4–20 mA analog output in a single slot.
• VM600 MPC4 200-450-000-211: MPC4 with Profibus-DP communication interface; enables direct integration with Siemens PCS 7 and ABB 800xA DCS platforms.

Communication & Interface Modules

• VM600 IOC4T 200-460-000-111: I/O communication module; provides Modbus RTU and RS-485 gateway function for VM600 rack to plant DCS/SCADA.
• VM600 IOC4T 200-460-000-211: IOC4T with OPC-DA server capability; enables direct historian integration without external gateway hardware.
• VM600 CMC16 200-470-000-111: 16-channel communication and monitoring card; manages inter-rack data exchange in multi-rack VM600 installations.

Speed & Phase Reference Modules

• VM600 TDC16 200-480-000-111: Tachometer and phase reference card; accepts Keyphasor® signals from proximity probes; provides 1X/2X reference for vector analysis.
• VM600 TDC16 200-480-000-211: TDC16 with dual-channel redundant Keyphasor input; used in API 670-compliant overspeed protection loops.
• VM600 SCC 200-490-000-111: System controller card; manages rack-level configuration, self-diagnostics, and firmware distribution across all installed modules.

Sourcing Hard-to-Find & Obsolete VM600 Parts

DriveKNMS maintains a dedicated inventory of VM600 modules sourced from decommissioned plant assets, authorized surplus channels, and direct OEM overstock. For facilities operating VM600 systems beyond the standard Meggitt support window, DriveKNMS provides lifecycle extension services including: verified used modules with full functional test reports, cross-reference mapping from discontinued part numbers to current equivalents, and consignment-based replenishment programs for long-term maintenance contracts. Modules such as the RLC16 200-570-000-211, AMC8 200-430-000-111, and IOC4T 200-460-000-111 are stocked on a rolling basis. For obsolete variants no longer listed in Meggitt's active catalog, DriveKNMS can source from its global partner network with lead times of 5–15 business days. All sourced modules are accompanied by a certificate of conformance and functional test data sheet.

Quality Control for the VM600 Range

VM600 modules undergo a structured incoming inspection and functional verification process at DriveKNMS facilities prior to dispatch. Relay output cards (RLC16 series) are tested for contact resistance, coil actuation voltage, and isolation integrity across all 16 channels using a dedicated relay test bench. Measurement cards (AMC8, XMC16, MPC4) are verified for signal chain accuracy by injecting calibrated analog inputs and comparing output values against factory specification tolerances (typically ±0.5% FS). Communication modules (IOC4T, CMC16) are bench-tested for Modbus register mapping integrity and RS-485 bus termination compliance. Power supply modules (RPS600, RPS601) are load-tested at 100% rated current for a minimum of 30 minutes with thermal monitoring. All modules are inspected for backplane connector pin condition, capacitor health (visual and ESR), and firmware version compatibility before packaging.

For VM600 RLC16 200-570-000-211 availability, pricing, and lead time inquiries:

• Email: [email protected]
• WhatsApp: +86 18359293191
• Web: driveknms.com