Honeywell TSAI-1620M Field Termination Assembly Module

The Honeywell TSAI-1620M is a specialized Field Termination Assembly (FTA) module designed to interface between field devices, such as sensors, and the high-density analog input module SAI-1620M within the Safety Manager. This module is suitable for use in hazardous environments, including Class I, Division 2 locations, and efficiently handles both safety and non-safety-related analog inputs. The TSAI-1620M ensures seamless communication between field components and the control system, providing reliable performance and high accuracy.

Key Features of the Honeywell TSAI-1620M

Interfacing Capability: The TSAI-1620M efficiently converts 0(4)-20 mA DC field signals to the levels required by the SAI-1620M module, ensuring reliable signal transmission.
Power Supply Distribution: It provides voltage-current limitation to each transmitter, maintaining safety compliance for Class I, Division 2 hazardous locations.
Power Monitoring: The module allows for monitoring the external power connected to the FTA, ensuring continuous operation and system stability.
Durable Design: With options for both non-conformal and conformal coatings, the TSAI-1620M ensures optimal protection in different environmental conditions.

Technical Specifications

Feature	Specification
Model Number	TSAI-1620M
Manufacturer	Honeywell
Type Numbers	0FS-TSAI-1620M (Non-conformal coated)
	FC-TSAI-1620M (Conformal coated with “CC” prefix)
Approvals	CE, TUV, UL, CSA, FM
Number of Channels	16 (2 groups of 8 with common 0 V)
Power Requirements	30 V DC external, 3 mA (without input loop load)
Input Current	2-25 mA
Input Resistance	250 Ω (1%)
Output Resistance (Passive)	270 Ω (+5%)
Igniting Current per Channel	<120 mA at 30 V DC
Output Voltage (SAI-1620M)	2-4 V DC
Output Accuracy	0.1%
Fuses Rating	315 mA T (slow-acting)
Fuse Dimensions	5×20 mm (0.20 x 0.79 in)

Advantages of the Honeywell TSAI-1620M

The Honeywell TSAI-1620M provides exceptional performance in hazardous industrial environments, offering precise conversion and secure interfacing between field devices and control systems. Its robust design ensures compatibility with various industrial sensors, and its wide temperature and voltage range offer versatility in different applications.

With its ability to monitor external power and handle both safety-critical and non-safety-critical inputs, the TSAI-1620M ensures maximum system reliability. The modular design also enhances flexibility, making it a highly effective solution for complex industrial processes.

Applications

The Honeywell TSAI-1620M is ideal for use in:

Safety-critical control systems
Hazardous area monitoring
Process control applications
Industrial automation and measurement systems

This module is particularly well-suited for applications where precise analog signal conversion and monitoring are essential for safe and efficient operations.