LEDs, connectors, buttons, card slots
2.5 Slots for SIM card and SD card
LOGO! CMR2020, LOGO! CMR2040
Operating Instructions, 10/2016, C79000-G8976-C356-03
33
Slots for SIM card and SD card
Both slots are on the front of the CMR behind cover.
"X50": Slot for the SIM card
X50 is the slot for the SIM card that you receive from the network provider of your mobile
wireless contract.
For information on compatible SIM card formats, refer to section Requirements for use
(Page 18).
Card errors / diagnostics
Card errors are indicated by the "SIM" LED and entries in the diagnostics buffer.
Inserting the SIM card is described in the section Insert the SIM card and enter the PIN
(Page 44).
"X51": Slot for an optional SD card
You have the option of using an SD card as an exchangeable storage medium for storing
configuration and diagnostics data.
An SD card does not ship with the CMR.
You will find a list of compatible SD cards in the appendix SD card (Page 161).
Card errors / diagnostics
Card errors are indicated by entries in the diagnostics buffer.
Inserting the SD is described in the section Inserting the SD card (Page 45).
Retentive storage of important data on the SD card
The SD card is an exchangeable storage medium for storing various data safe from power
failure.