621-9939 | Honeywell | Serial Link Module

Description

The Honeywell 621-9939 Serial Link Module is part of the 9000 series, designed to provide robust RS485 serial communication for industrial automation systems, supporting high-density I/O and redundant configurations.

Specifications

• Manufacturer: Honeywell
• Product No.: 621-9939
• Product Type: Serial Link Module
• Series: 9000
• Operating Current: 2.06 A (+5 V DC typical)
• Electrical Format: RS485
• Maximum Drops per Channel: 16
• Maximum I/O per Channel: 2040
• Shipping Weight: 2 kg

Features

• High-Density Connectivity: Supports up to 2040 I/O per channel for large-scale systems
• RS485 Format: Ensures reliable and noise-resistant communication in industrial environments
• Redundant Capability: Designed for critical process control with redundant serial paths
• Scalable Integration: Compatible with Honeywell 9000 series architecture
• Industrial Durability: Built for continuous operation under demanding conditions

FAQ

Q1: What is the function of the 621-9939 module? A1: It provides RS485 serial communication for Honeywell 9000 series systems, enabling high-density I/O integration.

Q2: How many drops per channel are supported? A2: The module supports up to 16 drops per channel.

Q3: What is the maximum I/O capacity per channel? A3: It can handle up to 2040 I/O per channel.

Q4: Is the module suitable for redundant configurations? A4: Yes, it supports redundant serial link setups for enhanced reliability.

Q5: What is the typical operating current? A5: The module operates at 2.06 A with +5 V DC supply.