ABB CI773F 3BDH000395R0001 | 16-Channel Digital Output Module & Symphony Plus I/O Series
ABB CI773F 3BDH000395R0001 | 16-Channel Digital Output Module & Symphony Plus I/O Series - Image 2
ABB CI773F 3BDH000395R0001 | 16-Channel Digital Output Module & Symphony Plus I/O Series - Image 3
ABB CI773F 3BDH000395R0001 | 16-Channel Digital Output Module & Symphony Plus I/O Series - Image 4
ABB CI773F 3BDH000395R0001 | 16-Channel Digital Output Module & Symphony Plus I/O Series - Image 5

ABB CI773F 3BDH000395R0001 | 16-Channel Digital Output Module & Symphony Plus I/O Series

  • Model: CI773F 3BDH000395R0001
  • Alt. P/N: 3BDH000395R0001
  • Series: Symphony Plus I/O Series
  • Type: Digital Output Module
  • Key Feature: 16 independent relay/transistor outputs, 1500Vrms channel isolation
  • Primary Use: Actuating solenoids, motor starters, indicators in DCS-controlled processes
Get a Quote
Manufacturer:
Part number: ABB CI773F 3BDH000395R0001
Our extensive catalogue, including : ABB CI773F 3BDH000395R0001 , is available now for dispatch to the worldwide.

Description

Key Technical Specifications​
  • Model Number: CI773F 3BDH000395R0001
  • Manufacturer: ABB
  • Number of Channels: 16 (independent, software-configurable)
  • Output Type: Relay (Form A, 2A @ 24VDC/250VAC) or Transistor (sourcing, 0.5A @ 24VDC)
  • Electrical Isolation: 1500Vrms (channel-to-channel, channel-to-bus)
  • Power Supply: 24V DC (±10%, drawn from Symphony Plus I/O rack backplane)
  • Operating Temperature: -25°C to +60°C
  • Storage Temperature: -40°C to +85°C
  • Response Time: ≤5ms (transistor), ≤10ms (relay)
  • Communication Interface: S800 I/O bus (proprietary high-speed serial)
  • Protection Rating: IP20 (panel-mount, finger-safe terminals)
  • Weight: 0.27kg
Field Application & Problem Solved​
In the field, the biggest challenge with discrete actuation is consolidating multiple output signals into a compact, reliable module that won’t introduce noise or fail under load. Older systems often use 8-channel modules, forcing technicians to stack units—wasting cabinet space and complicating wiring. This module solves that with 16高密度 channels, cutting the number of modules per skid by half. You’ll typically find it in chemical plants actuating reactor solenoid valves, wastewater treatment facilities driving pump starters, or food packaging lines triggering pneumatic actuators. Its core value is twofold: channel-to-channel isolation (1500Vrms) stops EMI from VFDs or motors from corrupting signals (a common issue in pulp mills), and built-in diagnostics (short-circuit, open-load) flag failing solenoids beforethey halt production. For example, in a refinery’s distillation column, it reliably toggles 16 valve actuators while isolating noise from nearby compressors—something lower-spec modules can’t do without false trips.
Installation & Maintenance Pitfalls (Expert Tips)​
  • Misconfiguring Output Types: Rookies often default to relay outputs for all devices, overloading the 2A limit with DC solenoids. Always match the output type to the actuator: use transistors for low-power DC (LEDs, small solenoids) and relays for AC loads (contactors, heaters). Verify via Control Builder M before commissioning.
  • Ignoring Shield Grounding: The module’s isolation helps, but unshielded or improperly grounded cables will still pick up noise. Use shielded twisted-pair for all connections, and ground the shield at one end only(typically the I/O rack) to avoid ground loops.
  • Skipping Diagnostic Tests: Never install without testing the open-load/short-circuit diagnostics. Energize each channel individually and confirm the controller receives fault codes for disconnected solenoids or shorted coils. This catches wiring errors early.
  • Overlooking Simultaneous Load Limits: All 16 channels can run at once, but total power must stay under 30W (relays) or 8W (transistors). Calculate load sums—e.g., 10 relays at 2A/24V = 48W, which exceeds the limit. Split the load across two modules if needed.

Technical Deep Dive & Overview
​
The CI773F 3BDH000395R0001 is a 16-channel digital output module built for ABB’s Symphony Plus DCS. It acts as a controller-to-field bridge: the Symphony Plus controller (e.g., HS-series) sends binary commands via the S800 I/O bus, and the module converts these to robust relay or transistor outputs. Each channel is software-configurable, letting engineers tailor the output type (sourcing transistor or Form A relay) to the actuator. The 1500Vrms isolation between channels and the bus prevents ground loops—critical in noisy environments like power plants. Internally, it uses a dedicated logic circuit to handle signal conditioning and diagnostics, offloading the controller’s scan time. Hot-swappable when paired with redundant power, it allows replacement without shutting down the DCS. Its compact S800 form factor mounts directly into Symphony Plus I/O racks, keeping wiring tidy. In short, it’s a workhorse for turning controller logic into real-world action, with enough isolation and diagnostics to survive harsh plant floors.

Related products