Emerson SC2435-1-S SC2435 CompactPCI Control Board

Technical Dossier

Product Details And Specifications

Emerson Network Power SC2435 Series Technical Notes

The Evolution of SC2435 Architecture

The SC2435 series was developed during the consolidation era of industrial computing, when Motorola Computer Group — later acquired by Emerson Network Power — transitioned its embedded computing portfolio from VMEbus to CompactPCI. The SC2435 architecture is based on the PICMG 2.0 R3.0 CompactPCI specification, utilizing a 32-bit/33 MHz PCI bus with a 6U form factor. Early revisions of the SC2435 integrated PowerPC-based processors (MPC7xx family), providing the deterministic performance required for SCADA front-end controllers and DCS gateway nodes.

As the platform matured, Emerson introduced hardware revision suffixes (e.g., -1-S, -2-S) to denote incremental changes in memory capacity, firmware compatibility, and backplane interface logic. The -1-S designation typically indicates a first-generation system slot variant with specific IPMI (Intelligent Platform Management Interface) firmware and geographic addressing support. Compatibility between hardware revisions must be verified against the system chassis backplane revision before substitution. The SC2435 series is now in its end-of-life (EOL) phase; Emerson has transitioned customers toward the ATCA-based and MicroTCA platforms for new deployments, making long-term spare parts sourcing a critical operational requirement for installed base maintenance.

SC2435 Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified, commonly referenced modules within the Emerson Network Power SC2435 and closely associated CompactPCI control board series. Each entry reflects a distinct hardware configuration or functional variant:

SC2435-1-S: 6U CompactPCI system slot controller, single-board configuration, -S suffix denotes system slot addressing.

SC2435-2-S: Second hardware revision of the SC2435 system controller; updated IPMI firmware baseline and extended DRAM support.

SC2435-1-P: Peripheral slot variant of the SC2435 board; configured for non-system-slot cPCI backplane positions.

SC2435-2-P: Rev-2 peripheral slot configuration; compatible with SC2435-2-S system controller chassis environments.

SC2435-1-S-XT: Extended temperature (-40°C to +85°C) rated variant for outdoor and harsh-environment enclosures.

SC2435-2-S-XT: Rev-2 extended temperature system slot controller; used in arctic and desert industrial installations.

SC2435-1-S-R: Redundant controller configuration; supports hot-swap failover with a paired SC2435 in the same chassis.

SC2435-2-S-R: Rev-2 redundant system slot controller; enhanced switchover timing for high-availability DCS architectures.

SC2435-1-S-L: Low-power variant with reduced clock speed; deployed in thermally constrained enclosures.

SC2435-2-S-L: Rev-2 low-power system slot controller; compatible with Emerson CPCI-6U-9S chassis series.

SC2435-1-S-FW: Factory-configured firmware variant; pre-loaded with customer-specific BIOS and boot parameters.

SC2435-2-S-FW: Rev-2 factory firmware variant; supports UEFI boot in addition to legacy BIOS modes.

SC2435-1-S-M: Military-grade conformal coating variant; MIL-STD-810 vibration and humidity compliance.

SC2435-2-S-M: Rev-2 military-grade variant; updated EMI shielding for dense RF environments.

SC2435-1-S-D: Dual-Ethernet configuration; provides independent control network and maintenance network interfaces on a single board.

Quality Control for the SC2435 Range

The SC2435 control board integrates a multi-layer PCB with high-density backplane connectors (IEC 61076-4-101 compliant DIN 41612 variants) and a proprietary IPMI management controller sub-circuit. DriveKNMS applies a structured test protocol to all SC2435 units prior to shipment:

1. Visual and mechanical inspection: PCB trace integrity, connector pin condition, capacitor ESR measurement, and conformal coating assessment.

2. Backplane bus continuity test: Verification of all 32-bit PCI bus lines, interrupt routing, and geographic address pin assignments using a dedicated cPCI test chassis.

3. Power sequencing validation: Confirmation of correct +3.3V, +5V, and +12V rail startup sequencing per PICMG 2.0 specification.

4. IPMI firmware verification: Interrogation of the board management controller (BMC) to confirm firmware revision, sensor table integrity, and FRU data accuracy.

5. Functional burn-in: Minimum 48-hour operational test under simulated load conditions at rated operating temperature range.

6. Communication interface test: Validation of Ethernet, RS-232, and JTAG interfaces where present on the specific SC2435 variant.