Meteo Control MX-Module RS485/422 User manual

MX-MODULE
RS485/422
Quick Start Guide
Version 20230210

1
DEVICE OVERVIEW
ñ
LED: Power Status
ò
LED: Device Status
ó
LED: Bus-2 Connection
ô
LED: Bus-1 Connection
õ
Connector for blue’Log
expansion
ö
Interface for
RS485/422 –1
÷
Interface for
RS485/422 - 2
ø
Case lock
1
2
3
4
5
6
7
8

2
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.
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.

3
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 ñis expanded by the MX-Module
RS485/422 òwith two additional interfaces óand ô.
ñ
blue’Log X basis device
ó
RS485/422 interface –2
ò
MX-Module RS485/422
ô
RS485/422 interface –1
1
2
3
4

4
*Refer to point 3
Connect the MX-Module RS485/422 ò*to the blue’Log X basis
device ñ*until no visible gap remains. Check for secure fit.
Interlock both modules (ñ*and ò*) 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.

5
*Refer to point 3
PIN ASSIGNMENT
The following pin assignment can be applied to both (top and
bottom) RS485/422 interfaces (ó*and ô*).
Pin
RS485
RS422
1
---
RX+
2
---
RX-
3
RS485 A (+)
TX+
4
RS485 B (-)
TX-
5
GND
GND
6, 7, 8
---
---

6
STATUS-LEDS
Symbol
LED
Explanation
Green on:
Module supplied with
power
Off:
Error in power supply
Green on:
Standard mode:
Module recognized
Off:
Error:
Module not recognized
Blinking orange
Data transfer interface 2
active
Steady orange
light
Error on interface 2
Blinking orange
Data transfer interface 1
active
Steady orange
light
Error on interface 1

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