1. General Information & Purpose

️· Module: R3-SS8N
️· Type: 8-channel input module (likely for process signals)
️· Manufacturer: m-System (Referenced in the URLs)
️· Purpose: Designed to receive input signals and connect to a control system. It supports dual redundant communication.

2. Performance Specifications

️· Input Type: Designed for 4-20mA signals.
️· Conversion Accuracy:
- 4-20mA: ±0.05% (at 160ms rate)
- 4-20mA: ±0.1% (at 80ms rate)
- 4-20mA: ±0.2% (at 40ms rate)
- 4-20mA: ±0.4% (at 20ms rate)
️· Data Range: 0 – 10000
️· Data Allocation: 8 (implying 8 separate readings/signals)
️· Current Consumption: 60mA
️· Temperature Coefficient: ±0.02 %/°C (±0.01 %/°F)
️· Response Time: ≤ 0.2 seconds (0 – 90% value)
️· Insulation Resistance: ≥ 100 MΩ with 500 V DC
️· Dielectric Strength: 1500 V AC (for minute durations) - this refers to the input wiring to the module.
️· Power Input Isolation: 2000 V AC (Power input to Ground - FG)

3. Input Configuration and Connections

️· Signal Type: 4-20mA input.
️· Impedance: The text implies a relatively low impedance (due to the 250 Ohm resistance mentioned).
️· Wiring: Connections are made via terminal blocks (schematic provided - see note at end about visualization).
️· Dual Redundancy: Supports dual redundant communication – likely for critical applications.

4. Control and Indicators

️· LED Indicators: Includes RUN and ERR (Error) LEDs.
️· SW3 (Switch 3): Used in conjunction with the "Conv. Rate" (Conversion Rate) settings. Controls conversion rate (160, 80, 40, 20ms).
️· DIP Switches: There are multiple DIP switches - the specific function is not detailed.

5. Standards and Compliance

️· EMC Directive: Complies with European EMC Directive (EN 61000-6-4 & EN 61000-6-2)
️· RoHS Directive: Complies with the RoHS Directive.

6. Physical Dimensions

️· The dimensions are provided in a table format on page 3/4 of the specification. Note the values are given in both millimeters (mm) and inches. Due to the text-based input, extracting precise values here is difficult. Refer to original PDF.

Important Notes & Visualization Challenges:

️· Schematic: The schematic circuitry diagram is difficult to accurately depict within a plain text response. The format in the original document uses multiple lines and spacing to represent connections.
️· DIP Switch Functionality: The full functionality of the DIP switches isn't described.
️· Visual Elements: The document contains a significant amount of visual information (diagrams, tables) that is challenging to reproduce fully in this format.

To access and review the original document, please refer to the URL provided at the bottom of the last page (https://www.m-system.co.jp/).