meteo control RS485-422 Mx-Module Interfaces User Guide

June 13, 2024
meteo control

meteo control RS485-422 Mx-Module Interfaces

meteo-control-RS485-422-Mx-Module-Interfaces-product-
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DEVICE OVERVIEW

meteo-control-RS485-422-Mx-Module-Interfaces-fig-1

1 LED: Power Status
2 LED: Device Status
3 LED: Bus-2 Connection
4 LED: Bus-1 Connection
5 Connector for blue’Log

expansion

6| Interface for RS485/422 – 1
7| Interface for RS485/422 – 2
8| Case lock

CONNECTION ORDER

When connecting MX-Modules to the blue’Log X basis device, the following order needs to be considered:

  • The number of lines (incl. line with arrow) at the bottom of the front panel of the blue’Log and on the MX-Modules indicates the order of connection.
  • When installing various MX-Modules, they must be connected from left to right sorted by the ascending number of lines (incl. line with arrow). The following illustration describes the correct procedure.

meteo-control-RS485-422-Mx-Module-Interfaces-fig-2

WARNING

Order of expansion modules
If you connect MX-Modules in the wrong order, errors might occur and correct function can no longer be ensured.

PREPARATION

  • Remove the upper and lower cap from your blue’Log X basis device.
  • Disconnect your blue’Log X basis device from the power supply.
  • Remove the cap on the right side of the case from your blue’Log X basis device according to the manual.

INSTALLATION

  • The blue’Log X basis device (1) is expanded by the MX-Module RS485/422 (2) with two additional interfaces (3) and (4).

meteo-control-RS485-422-Mx-Module-Interfaces-fig-3

  1. blue’Log X basis device
  2. MX-Module RS485/422
  3. RS485/422 interface – 2
  4. RS485/422 interface – 1
  • Connect the MX-Module RS485/422 (2) to the blue’Log X basis device (1) until no visible gap remains. Check for secure fit.
  • Interlock both modules ((1) and (2)) by closing the previously opened case locks.
  • Reattach the previously removed side cap to the right side of the expansion module and fasten it by closing the case locks.

meteo-control-RS485-422-Mx-Module-Interfaces-fig-4

PIN ASSIGNMENT

  • The following pin assignment can be applied to both (top and bottom) RS485/422 interfaces ((3) and (4)).

Pin| RS485| RS422
1| —| RX+
2| —| RX-
3| RS485 A (+)| TX+
4| RS485 B (-)| TX-
5| GND| GND
6, 7, 8| —| —

STATUS-LEDS

meteo-control-RS485-422-Mx-Module-Interfaces-fig-6

Further information: www.meteocontrol.com.

Text and illustrations represent state-of-the-art technology at the time of printing  Subject to technical modifications  No liability for printing errors. Item number 832057 • Version 20230210.

References

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