3BHE036346R0101 ABB XZ C825 A101 Processing Card

Configured for discrete signal routing and deterministic serial communication in DCS backplane architectures, the ABB 3BHE036346R0101 (XZ C825 A101 Processing Card) provides direct physical/electrical execution. It directly processes binary field logic across 16 discrete input channels and 16 discrete output channels while maintaining high-speed serial feedback over an RS-485 physical interface. Operating on a nominal 24 VDC external power supply, the unit consumes 15 W under full load conditions and provides continuous signal processing within an operational envelope of -20 deg C to +60 deg C.

Hardware Specifications

Backplane Bus Communication Velocity and Density Scaling

The module leverages high-speed backplane bus communication velocity to manage real-time updates across all 32 discrete channels without introducing processing jitter. Integrated protocol engines enforce deterministic transmission over the RS-485 interface, stabilizing multi-drop network topologies under heavy I/O density scaling. Low-latency internal firmware flash compatibility ensures firmware integrity during system updates, maintaining synchronization between field-side input states and rack-level controller logic.

Frequently Asked Questions

Q: What are the physical grounding requirements for the RS-485 interface on this module?

A: The RS-485 serial connection requires a dedicated shielded twisted-pair cable. The cable shield must be grounded at a single end to the cabinet earth ground bar to prevent ground loops, and a terminal resistance of 120 ohms must be enabled at the physical ends of the bus segment.

Q: What is the recommended operational power supply tolerance for the 24 VDC input?

A: The module accepts a standard 24 VDC supply with a typical operating tolerance of +/- 10%. Power input should be conditioned using an external regulated industrial power supply with overcurrent and surge protection to prevent operational interruptions or thermal stress.

Field Installation Guidelines

• Mount the card securely in the dedicated subrack slot, ensuring top and bottom card retainers are fully engaged before applying power.
• De-energize all field-side power sources and system backplanes prior to physical insertion or removal of the card.
• Maintain a minimum physical separation of 100 mm between low-voltage DC/signal wiring and high-voltage AC power conductors within the wire ducting.
• Ensure field wiring terminals are torqued to specified terminal block limits and strain-relief mechanisms are secured.
• Verify cabinet thermal management guarantees ambient temperatures surrounding the card remain strictly between -20 deg C and +60 deg C during continuous operation.