Honeywell SDI-1624 CCV1.1 – Safe Digital Input Module

1. Product Title

Honeywell SDI-1624 CCV1.1 – Safe Digital Input Module

2. Product Overview

The SDI-1624 CCV1.1 is a high-integrity safe digital input module from Honeywell

, designed for use in Safety Manager and industrial automation systems. This module is responsible for acquiring field digital signals—such as switch states, contact signals, and pulse inputs—and transmitting them reliably to the control processor for logic execution.

Built for safety-critical environments, the SDI-1624 CCV1.1 supports redundant architectures and complies with stringent industrial safety standards. It ensures accurate signal detection and fault-tolerant operation, making it a key component in Safety Instrumented Systems (SIS). With its robust design and high channel density, this module enhances system reliability, minimizes downtime, and supports predictive maintenance strategies in demanding process industries.

3. Technical Specifications

• Brand: Honeywell
• Model: SDI-1624 CCV1.1
• Warranty: One Year
• Condition: 100% New & Original

Detailed Specifications:

• Product Type: Safe Digital Input Module
• Input Channels: 16 digital input channels
• Input Voltage: 24 VDC
• Input Type: Dry contact / voltage input
• Maximum Input Voltage: Up to 36 VDC
• Input Current: Approx. 5–7 mA per channel
• Response Time: ~10 ms typical
• Power Supply: 5 VDC internal + 24 VDC field supply
• Operating Temperature: -20°C to +70°C
• Dimensions: 4 TE, 3 HE (compact rack module)
• Weight: Approx. 0.5 kg
• Certifications: CE, UL, CSA, TÜV, FM
• Safety Compliance: Designed for SIL-rated applications (Safety Manager systems)

4. Key Features & Benefits

• High-Density 16-Channel Input:
  Enables simultaneous acquisition of multiple field signals, reducing hardware footprint and improving system efficiency.
• Safety-Critical Design (SIL Compliance):
  Suitable for Safety Instrumented Systems, ensuring reliable signal processing in hazardous environments.
• Redundant & Fault-Tolerant Architecture:
  Supports system redundancy and automatic failover, maintaining continuous operation during faults.
• Flexible Input Configuration:
  Compatible with dry contacts and voltage signals, allowing integration with a wide range of field devices.
• Robust Industrial Construction:
  Designed to withstand harsh conditions including temperature variation, vibration, and electrical noise.

5. Application Scenarios

• Oil & Gas (Emergency Shutdown Systems):
  Collects input signals from safety switches, pressure sensors, and trip systems to initiate shutdown sequences.
• Power Generation (Turbine Protection):
  Monitors critical status signals such as valve positions and interlocks for safe turbine operation.
• Process Industries (Chemical & Petrochemical):
  Interfaces with field instrumentation to ensure accurate signal acquisition for process control and safety logic.

6. Frequently Asked Questions (FAQ)

Q: What is the primary function of the SDI-1624 CCV1.1?
A: It acquires digital signals from field devices and transmits them to the control system for processing in safety and automation applications.

Q: Is SDI-1624 CCV1.1 compatible with legacy systems?
A: Yes, it is designed for integration with Honeywell Safety Manager systems and can be used in existing architectures, provided compatibility with chassis and I/O configuration is maintained.