Installing Accessories; Memory Expansion Card (Obs-Acc-32K128) And Wireless Receiver (Openbas-Hv-Rf433R); Reset And Download Buttons; Figure 5 Connections For Display, Memory Expansion Cards, And Wireless Receiver - Mircom OpenBAS-LC-NX12R Installation Manual

3.3

Installing Accessories

!
Attention: This job must be performed only by a certified technician as dangerous
voltages might be present inside of the enclosure.
Always disconnect the power before installing the communication
cards.
3.3.1 Memory Expansion Card (OBS-ACC-32K128) and Wireless Receiver
(OpenBAS-HV-RF433R)
i
Note: When connecting the I2C ports on 2 devices, make sure to connect pin 1 on the
first device to pin 1 on the second device. Pin 1 is marked by a dot or a "1".
Connect the memory expansion card to I2C.
Connect the display to I2C1.
Connect the OpenBAS-HV-RF433R wireless receiver to I2C, so that it is accessible when the
board is in the enclosure.
Connection for
display
Connection for
memory expansion
or wireless receiver
Figure 5
3.4

Reset and Download Buttons

Press the RESET button to restart the controller.
The DWNLD button is used for loading firmware on to the controller.
Refer to the OpenBAS Programming Manual for information on upgrading controllers.
I2C
Connections for display, memory expansion cards, and wireless
receiver
Installation
I2C1
13 (40)