Epro A6824 ModBus and Rack Interface

Product Description

The A6824 is a high-efficiency ModBus and Rack Interface module from the Emerson EPRO series, designed to provide a centralized communication gateway for industrial machinery monitoring racks. This 3U plug-in module aggregates critical data—including speed, vibration (1x, 2x), gap values, and alarm states—and transmits it to higher-level DCS or SCADA systems via ModBus RTU or Ethernet. Engineered for space-sensitive environments, the A6824 effectively halves the cabinet space required by traditional 6U cards while maintaining full API 670 compliance. With hot-swappable capability and integrated self-checking facilities, it ensures continuous data availability and simplified maintenance for the IMR6000 rack series.

Technical Specifications

• Manufacturer: Emerson / EPRO

• Model Number: A6824 (Standard 6TE version)

• Product Type: ModBus and Rack Interface

• Communication Protocols:

• ModBus RTU (Serial): 19.2 kbaud, 8 Data bits, Even Parity, 1 Stop bit

• ModBus Ethernet: RJ45 socket, 10BaseT (Default IP: 192.168.255.1)

• Data Points: Speed, Phase, Vibration (1/2x, 1x), Gap Value, Alarm States, Channel OK

• Module Format: 3U Size, 1-Slot Plug-in (60mm / 12TE width)

• Power Consumption: Max 6 W

• Operating Temperature: 0°C to 65°C (32°F to 149°F)

• Dimensions: 128.4 mm (H) x 60 mm (W) x 160 mm (L)

• Weight: ~320 g (0.705 lbs)

• Compliance: API 670 Standard, CE (EN50081-1 / EN50082-2)

Key Features & System Integration

• High-Density Design: The 3U form factor optimizes rack space, allowing for more measurement modules within a single 19" enclosure compared to older legacy systems.

• Hot-Swappable Module: Designed for high-uptime environments; the card can be removed or replaced while the rack is powered without disrupting the operation of other monitoring channels.

• Advanced Self-Diagnostics: Features continuous internal monitoring of hardware integrity, power input status, and module temperature to ensure data reliability.

• Secure Configuration: Protects critical communication settings and address maps with password-restricted access, preventing unauthorized network changes.

• Ruggedized for Industry: Certified against industrial shock and vibration (IEC 68-2), making it suitable for mounting in turbine halls and compressor stations.