PRELIMINARY WARNINGS

The word WARNING preceded by the symbol ⚠️ indicates conditions or actions that put the user's safety at risk. The word ATTENTION preceded by the symbol ? indicates conditions or actions that might damage the instrument or the connected equipment. The warranty shall become null and void in the event of improper use or tampering with the module or devices supplied by the manufacturer as necessary for its correct operation, and if the instructions contained in this manual are not followed.

WARNING: The full content of this manual must be read before any operation. The module must only be used by qualified electricians. Specific documentation is available via QR-CODE shown on page 1.

The module must be repaired and damaged parts replaced by the Manufacturer. The product is sensitive to electrostatic discharges. Take appropriate measures during any operation.

Electrical and electronic waste disposal (applicable in the European Union and other countries with recycling). The symbol on the product or its packaging shows the product must be surrendered to a collection centre authorized to recycle electrical and electronic waste.

Documentation for R-KEY-LT and R-KEY-LT-P is available.

CONTACT INFORMATION

SENECA s.r.l.; Via Austria, 26 – 35127 – PADOVA – ITALY; Tel. +39.049.8705359 - Fax +39.049.8706287

This document is the property of SENECA srl. Copies and reproduction are prohibited unless authorised. The content of this document corresponds to the described products and technologies. Stated data may be modified or supplemented for technical and/or sales purposes.

Document ID: MI00472-3-EN

SIGNALS VIA LED ON FRONT PANEL

DEVICE CONFIGURATION

The device can be fully set up via an integrated web server. Product programming and configuration tools, as well as all manuals, can be downloaded from a web address accessible via QR code. For further information, refer to the USER MANUAL.

FACTORY IP ADDRESS

The default module IP address is static: 192.168.90.101

WEB SERVER

To access the maintenance Web Server using the factory IP address, use the following credentials:

Username: admin; Password: admin

Note: For the R-KEY-LT-P version, webserver mode must be activated first.

⚠️ CAUTION: DO NOT USE DEVICES WITH THE SAME IP ADDRESS IN THE SAME ETHERNET NETWORK.

TECHNICAL SPECIFICATIONS

SW1 DIP-SWITCH:

Through DIP-SWITCH-SW1, the polarization of the bus relative to the RS485 port can be set:

SW2 DIP-SWITCH:

Through DIP-SWITCH-SW2, the IP configuration of the device can be set:

ELECTRICAL CONNECTIONS

⚠️ CAUTION: Switch the module off before connecting inputs and outputs. To meet electromagnetic immunity requirements:

• Use shielded signal cables.
• Connect the shield to a preferential instrumentation earth system.
• Separate shielded cables from other cables used for power installations (transformers, inverters, motors, etc.).

⚠️ CAUTION: Use only copper or copper-coated aluminium or AL-CU or CU-AL conductors.

The power supply source must be protected from any module malfunctions using appropriately-sized safety fuses.

⚠️ CAUTION: The device can only be powered by a power supply with a limited energy circuit 40Vdc / 28Vac max in output according to CAN/CSA-C22.2 No.61010-1-12 / UL Std.No.61010-1 (3rd Edition) chapter 6.3.1/6.3.2 and 9.4 or class 2 according to CSA 223/UL1310.

⚠️ CAUTION: These are open type devices intended for installation in a final casing/panel that offers mechanical protection and protection against the spread of fire.