exemys RME2-AI User Manual
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exemys RME2-AI User Manual

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RME2-AI Analog Variables Acquisition Module – User's Manual
Exemys
www.exemys.com
Rev. 4
1

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  • Page 1 RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys www.exemys.com Rev. 4...
  • Page 2 RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys Exemys Products are in constant evolution to satisfy our customer needs. For that reason, the specifications and capabilities are subject to change without prior notice. Updated information can be found at www.exemys.com...

  • Page 3: Table Of Contents

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys Index INTRODUCTION _____________________________________________________ 5 Purpose of the manual ________________________________________________ 5 Product Overview ____________________________________________________ 5 Ordering Codes _____________________________________________________ 6 Technical Specifications _______________________________________________ 6 INSTALLATION ______________________________________________________ 7 Connecting the power supply ___________________________________________ 7...
  • Page 4 RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys SNMP ___________________________________________________________ 26 7.1. Configuration and Operation __________________________________________ 26 7.2. MIB _____________________________________________________________ 26 MQTT ___________________________________________________________ 28 Configuration and operation. __________________________________________ 28 Connection configuration. ____________________________________________ 28 Certificate Upload __________________________________________________ 29 Publish configuration ________________________________________________ 30 Subscribe configuration.

  • Page 5: Introduction

    1.1 Purpose of the manual This manual offers step-by-step instructions for the seamless installation and efficient operation of the RME2-AI analog module. It begins with an overview of the product, followed by clear guidelines for proper hardware installation. Detailed information on configuration and operation of the device is provided thereafter.

  • Page 6: Ordering Codes

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys 1.3 Ordering Codes Full ordering codes are: Ordering Code Description (1) serial port RS-232 RME2-AI-100-00-80-IA3 (8) 0-10V / 4-20 mA Inputs Ethernet port 10/100 Mbps 1.4 Technical Specifications Technical Specifications Network Protocols...

  • Page 7: Installation

    2 INSTALLATION 2.1 Connecting the power supply The RME2-AI supports a power supply range from +10 to 30 VDC. The positive power supply should be connected to terminal No. 1, while the negative power supply should be connected to terminal No. 2, as illustrated in the image below: 2.2 Terminal Block Connections...

  • Page 8: Analog Inputs Wiring

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys 2.3 Analog inputs wiring 2.3.1. Voltage input wiring (0-10V) Sensors with a voltage output ranging from 0 to 10V can be connected to the device, as shown in the image below.

  • Page 9: Serial Port Wiring

    To connect the RS232 serial port of the device to a PC serial port or any other serial device, follow the configuration shown in the image below. It's important to note that the RME2-AI is a DTE (Data Terminal Equipment) device, which requires a crossover wiring configuration with the PC or other devices.

  • Page 10: Configuration

    The remaining configuration tasks are then carried out through the device's configuration web page. If a DHCP server is unavailable, the Exemys Device Locator will identify the device with the default IP address 0.0.0.0, as illustrated in the image below.

  • Page 11: Configuration Web Page

    3.2. Configuration Web Page Once the RME2-AI has obtained a valid IP address, you can access the web page to configure additional parameters. If your web browser is configured to search for a proxy server, be sure to disable this option.
  • Page 12 The average value is displayed when monitoring the input, and options include 1 or 5 samples.  Scaling: The RME2-AI can convert measured values into scaled values. For instance, it can convert a signal from a temperature transducer with a 4-20 mA output to a reading ranging from -100 to 500 degrees Celsius.
  • Page 13 RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys are represented by X0 and X1, which correspond to the values read by the analog/digital converter of the device (0 for 0V, 4000 for 10V, or 800 for 4 mA, and 4000 for 20 mA).

  • Page 14: Alarms

    Exemys 3.3.2. Alarms In this sub-menu, users have access to the alarm configuration for inputs. The RME2-AI offers two alarm thresholds for each input: one for a low value and one for a high value. These alarm values are utilized to update the status text on the monitoring screen and to trigger SNMP traps if they are configured accordingly.

  • Page 15: Monitoring

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys 3.3.3. Monitoring In this sub-menu, users have access to input monitoring. Here, you can specify whether you want to view and track the monitoring data, provide a descriptive name for each input, and set the number of decimals for displaying the scaled value of each input.

  • Page 16: Serial Port Configuration

    Modbus Silence Time (Applies only for Modbus RTU): Modbus/RTU packets are distinguished from one another by a time interval. This parameter lets you adjust the maximum time, measured from the reception of the last byte of the packet, within which the RME2-AI will www.exemys.com...
  • Page 17 Internal Memory Modbus ID: If the serial port is enabled, this is the Modbus ID used to read the device inputs. However, if the serial port is not in use, the RME2-AI inputs can be read with any Modbus ID.

  • Page 18: Operation Modes

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys OPERATION MODES The RME2-AI acquisition module enables remote monitoring and supervision of up to eight analog sensors via an Ethernet interface, supporting various protocols. 4.1. Modbus TCP The acquired values, in their various formats, are accessible and can be read from Modbus TCP registers.

  • Page 19: Csv / Xml

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys 4.2. CSV / XML 4.2.1. CSV files The device displays the acquired information in three text files that are comma-separated on its embedded web server. You can access this information in the "Monitor -> CSV / XML" section.

  • Page 20: Xml File

    For further details on this service, refer to Chapter 7. 4.4. MQTT introduction Since firmware version 10.4, the RME2-AI is capable of publishing to a Broker using the MQTT protocol. For further details on this service, refer to Chapter 8.

  • Page 21: Web Page Monitoring

    4.6. Web page monitoring RME2-AI-IA3 offers two distinct monitoring options. The first is the "Administrator’s Monitor," where users can view analog values, scaling information, A/D converter data, and alarm statuses. If the device requires a password to access the web page, this monitoring feature also requires the same password.

  • Page 22: Monitoring

    Exemys 5. MONITORING "RME2-AI displays the acquired values from each input on its web page under the Monitoring menu. Here, you can access the "Administrator’s Monitor" to view alarm states, analog values, scaling information, and the A/D values input for each input.

  • Page 23: User's Monitor

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys 5.2. User’s Monitor www.exemys.com Rev. 4...

  • Page 24: Administrator Settings

    To keep up with improvements, device firmware can be updated. Click the "Update" button on the web page to select the update file (which should start with "RME2-AI" and end with ".BIN"). Then, initiate the download process and follow informative messages to track the update progress.
  • Page 25 RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys www.exemys.com Rev. 4...

  • Page 26: Snmp

    Exemys 7. SNMP 7.1. Configuration and Operation RME2-AI supports SNMP protocol version 1 and can generate traps to notify of changes in alarm status. Within the Configuration menu, under SNMP settings, users can enable or disable this service. When configuring the reading and reading/writing communities, it's important to note that both communities cannot share the same name.
  • Page 27 RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys • New Alarm (Type 1) -> This trap is sent when an input transitions from a normal state to an alarm state. • End Alarm (Type 2) -> This trap is sent when an input transitions from an alarm state to a normal state.

  • Page 28: Mqtt

    8 MQTT 8.1 Configuration and operation. Since firmware version 10.4, the RME2-AI can publish to a Broker using the MQTT protocol. The device can publish measured values at regular intervals. It can also subscribe to a special topic to make changes in its configuration and to other topics whose messages can be received by programming a Script.

  • Page 29: Certificate Upload

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys  No Encryption  SSL (Also known as CA signed server certificate). No need to upload certificates..  SSL with PSK Verification (Requires configuring PSK Hint and PSK Key)  SSL with CA Certificate (Also known as CA signed server certificate or CA Certificate only).

  • Page 30: Publish Configuration

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys File Types for Client/Server Certificates: .crt Client Key File Type: .key Once done, click on 'Back' and then on 'Save Changes’ 8.4 Publish configuration The device can publish measured values at regular intervals. Here, you can configure the publication time, the topics to use, and what information to publish..

  • Page 31: Subscribe Configuration

    It's also possible to configure a special topic to make changes to its configuration. It is recommended to use the topic Exemys/MAC/cfg for configuration. MAC will be replaced by the MAC address of the device. Configuration upload is done using JSON format.
  • Page 32 RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys • Reconnections: number of reconnections that have occurred • Subscriptions: number of subscribed topics • Successful Publishes: number of successful publications • Failed Publishes: number of failed publications • Received: number of messages received on all subscribed topics www.exemys.com...

  • Page 33: Exemys Device Locator

    Download the Exemys Device Locator from this link: http://www.exemys.com/beta/software/edl_setup.exe The Exemys Device Locator must be executed on a PC connected to the same network as the Exemys devices to be configured. Upon initial execution, the Exemys Device Locator will automatically search for any Exemys devices within the network.
  • Page 34 3. Modify the IP address, Netmask, or Gateway settings manually, or check the "Enable DHCP" checkbox for the device to search for a DHCP server. 4. Click the "OK" button for the Exemys Device Locator to send this information to the device.

  • Page 35: Command Console

    Ensure that the Baud rate in the serial port settings is set to 9600. 2. Turn on the RME2-AI. Within the first 7 seconds type CFG and press ENTER or press the CFG button. RME2-AI will display a welcome message on the configuration command console.
  • Page 36 RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys 3. Enter the configuration command based on the instructions provided in the following table Command Description Changes the basic parameters of the network NETWORK: ip,netmask, Example: gateway NETWORK:192.168.0.212,255.255.255.0,192.168.0.200 Changes the configuration password.

  • Page 37: Factory Settings

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys C.FACTORY SETTINGS Parameters Value Network IP Address. 0.0.0.0 - (DHCP) Netmask. 0.0.0.0 Gateway. 0.0.0.0 DNS 1. 0.0.0.0 DNS 2. 0.0.0.0 Serial port A Serial Port Enable. Inputs Configuration (x8) Type. 4-20 mA Average.

  • Page 38: Din Rail Mounting

    RME2-AI Analog Variables Acquisition Module – User’s Manual Exemys DIN RAIL MOUNTING To mount the device on a DIN rail, align the upper side of the device with the DIN rail and gently push until you hear a click, securing it in place. Refer to the image for visual guidance.

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Rme2-ai-100-00-80-ia3

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