A6620 Process Input Module | Emerson EPRO for Machinery Health

Emerson EPRO A6620 / MMS6620 Analog Input Module – Product Description

Product Overview

The Emerson EPRO A6620 module provides accurate process signal acquisition for the CSI 6500 Machinery Health Monitoring System. Each channel captures voltage or current inputs from essential plant transmitters, giving operators reliable process data for machinery protection. Moreover, the module supports API 670-compliant architectures, ensuring dependable operation in facilities where safety and equipment uptime remain top priorities. Its design supports continuous service, and therefore maintenance teams can replace it without interrupting plant operations.

Technical Specifications

Input Channels

• 4 independent analog input channels

• Supports voltage and current signals

Supported Signal Types

• ±1 V voltage input

• ±10 V voltage input

• 0/4–20 mA current loop input

Performance

• High-accuracy acquisition for critical process parameters

• 16-bit A/D resolution

• Configurable sampling rate per channel

• Galvanic isolation between channels and system bus

Outputs & Communication

• Conditioned values available through the CSI 6500 system

• Current outputs (0/4–20 mA) for DCS/PLC integration

• Configurable alarm and status outputs

Diagnostics

• Sensor open/short fault detection

• Continuous module health monitoring

Physical & Environmental

• 1-slot module for CSI 6500 rack

• Hot-swappable design

• Origin: Germany

FAQ

What signals can the A6620 module accept?
It accepts ±1 V, ±10 V, and 0/4–20 mA analog signals from standard transmitters.

Is the module compatible with the CSI 6500 monitoring system?
Yes, it is designed specifically for CSI 6500 racks and integrates seamlessly.

Does the A6620 support hot-swapping?
Yes, technicians can replace the module without shutting down the monitoring rack.

Is this module suitable for API 670 systems?
Yes, it meets the requirements for API 670-compliant machinery protection designs.